feat: add dpo liger

.gitignore

@@ -1,7 +1,6 @@
 **/axolotl.egg-info
 configs
 last_run_prepared/
-outputs
 .vscode
 _site/
 

cicd/cicd.sh

@@ -5,6 +5,6 @@ python -c "import torch; assert '$PYTORCH_VERSION' in torch.__version__"
 
 pytest -v --durations=10 -n8 --ignore=tests/e2e/ --ignore=tests/patched/ /workspace/axolotl/tests/
 # pytest -v --durations=10 -n8 --dist loadfile /workspace/axolotl/tests/patched/
-pytest -v --durations=10 /workspace/axolotl/tests/e2e/patched/
-pytest -v --durations=10 /workspace/axolotl/tests/e2e/integrations/
+pytest -v --durations=10 -n1 --dist loadfile /workspace/axolotl/tests/e2e/patched/
+pytest -v --durations=10 -n1 --dist loadfile /workspace/axolotl/tests/e2e/integrations/
 pytest -v --durations=10 --ignore=tests/e2e/patched/ --ignore=tests/e2e/multigpu/ --ignore=tests/e2e/integrations/ /workspace/axolotl/tests/e2e/

deepspeed_configs/zero1_torch_compile.json

@@ -1,27 +0,0 @@
-{
-  "zero_optimization": {
-    "stage": 1,
-    "overlap_comm": true
-  },
-  "bf16": {
-    "enabled": "auto"
-  },
-  "fp16": {
-    "enabled": "auto",
-    "auto_cast": false,
-    "loss_scale": 0,
-    "initial_scale_power": 32,
-    "loss_scale_window": 1000,
-    "hysteresis": 2,
-    "min_loss_scale": 1
-  },
-  "compile": {
-    "disable": false,
-    "backend": "inductor"
-  },
-  "gradient_accumulation_steps": "auto",
-  "gradient_clipping": "auto",
-  "train_batch_size": "auto",
-  "train_micro_batch_size_per_gpu": "auto",
-  "wall_clock_breakdown": false
-}

docs/config.qmd

@@ -127,40 +127,34 @@ datasets:
     # - tokenizer_default_fallback_*: where * is the name of the chat template to fallback to if the tokenizer does not have a chat template else default to tokenizer. E.g. tokenizer_default_fallback_chatml.
     # - jinja: Uses a custom jinja template for the chat template. The custom jinja template should be provided in the chat_template_jinja field.
     chat_template: tokenizer_default
-
-    # Custom jinja chat template. Used only if `chat_template: jinja` or empty.
+    # Custom jinja template for chat template. This will be only used if `chat_template` is set to `jinja` or empty (in which case chat_template is automatically set to `jinja`).
     chat_template_jinja:
-
-    # Key containing the messages (default: "messages")
+    # The key in the data example that contains the messages. Default is "messages".
     field_messages: messages
-    # Key for role in each message (default: "role")
+    # The key in the message turn that contains the role. Default is "role".
     message_field_role: role
-    # Key for content in each message (default:  "content")
+    # The key in the message turn that contains the content. Default is "content".
     message_field_content: content
-
-    # Optional[Dict[str, List]]. Roles mapping in the messages. The default is:
+    # Optional[Dict[str, List]]. Roles mapping for the messages.
     roles:
       user: ["human", "user"]
-      assistant: ["gpt", "assistant"]
+      assistant: ["gpt", "assistant", "ai"]
       system: ["system"]
-      tool: ["tool"]
 
-    # IMPORTANT: The following fields determine which parts of the conversation to train on.
-    # Priority order: message_field_training > message_field_training_detail > train_on_inputs or role in roles_to_train
-    # See examples at `docs/dataset-formats/conversation.qmd`
-    # Note: If the below 4 fields are empty, defaults to training only on the last message.
+    ## NOTE: Leaving the below empty will default to using the simple legacy tokenization strategy where only last message is trained on.
 
     # Optional[List[str]]. Roles to train on. The tokens from these roles will be considered for the loss.
-    roles_to_train: ["assistant"]  # default
+    roles_to_train: ["gpt", "assistant"]
     # Optional[str]. Which EOS tokens to train on in the conversation. Possible values are:
     # - all: train on all EOS tokens
-    # - turn (default): train on the EOS token at the end of each trainable turn
+    # - turn: train on the EOS token at the end of each trainable turn
     # - last: train on the last EOS token in the conversation
     train_on_eos: last
     # The key in the message turn that indicates via boolean whether tokens of a turn should be considered for training. Useful to selectively train on certain turns besides the `roles_to_train`.
     message_field_training: training
     # The key in the message turn that contains the training details. Useful to selectively train on certain tokens in a turn.
     # The value of the key is a List[Dict] containing `begin_offset` (start character index in content), `end_offset` (end character index in content), and `train` (boolean whether to train).
+    # See example at `docs/dataset-formats/conversation.qmd`
     message_field_training_detail: train_detail
 
 
@@ -245,9 +239,6 @@ sample_packing_group_size: 100000
 # The number of samples which can be packed into one sequence. Increase if using a large sequence_len with many short samples.
 sample_packing_bin_size: 200
 
-# Use batch flattening for speedups when not using sample_packing
-batch_flattening:
-
 # Passed through to transformers when loading the model when launched without accelerate
 # Use `sequential` when training w/ model parallelism to limit memory
 device_map:
@@ -340,8 +331,7 @@ comet_experiment_config: # Dictionary for additional configuration settings, see
 output_dir: ./completed-model
 
 # Whether to use torch.compile and which backend to use
-# setting to `auto` will enable torch compile when torch>=2.5.1
-torch_compile:  # Optional[Union[Literal["auto"], bool]]
+torch_compile:  # bool
 torch_compile_backend:  # Optional[str]
 
 # Training hyperparameters
@@ -373,10 +363,6 @@ eval_table_size: # Approximate number of predictions sent to wandb depending on
 eval_max_new_tokens: # Total number of tokens generated for predictions sent to wandb. Default is 128
 eval_causal_lm_metrics: # HF evaluate metrics used during evaluation. Default is ["sacrebleu", "comet", "ter", "chrf", "perplexity"]
 
-profiler_steps: # enable the pytorch profiler to capture the first N steps of training to the output_dir.
-                # see https://pytorch.org/blog/understanding-gpu-memory-1/ for more information
-                # snapshots can be visualized @ https://pytorch.org/memory_viz
-
 loss_watchdog_threshold: # High loss value, indicating the learning has broken down (a good estimate is ~2 times the loss at the start of training)
 loss_watchdog_patience: # Number of high-loss steps in a row before the trainer aborts (default: 3)
 

docs/dataset-formats/conversation.qmd

@@ -68,8 +68,6 @@ We recommend checking the below examples for other usecases.
 datasets:
   - path: ...
     type: chat_template
-    roles_to_train:
-    train_on_eos:
 ```
 
 2. Using the `gemma` chat template to override the tokenizer_config.json's chat template on OpenAI messages format, training on all assistant messages.
@@ -79,7 +77,7 @@ chat_template: gemma # this overwrites the tokenizer's chat_template
 datasets:
   - path: ...
     type: chat_template
-    roles_to_train: ["assistant"]  # default value
+    roles_to_train: ["assistant"]
 ```
 
 3. Using the tokenizer_config.json's chat template or `chatml` as fallback if the former's chat template does not exist, on OpenAI messages format, training on all assistant messages.
@@ -89,6 +87,7 @@ chat_template: tokenizer_default_fallback_chatml # this overwrites the tokenizer
 datasets:
   - path: ...
     type: chat_template
+    roles_to_train: ["assistant"]
 ```
 
 4. Using a custom jinja template on OpenAI messages format, training on all assistant messages.
@@ -100,6 +99,7 @@ chat_template_jinja: "{{ bos_token }}{% for message in messages %}{% if (message
 datasets:
   - path: ...
     type: chat_template
+    roles_to_train: ["assistant"]
 ```
 
 5. (Advanced) Using fine-grained control over tokens and turns to train in a conversation

examples/cerebras/btlm-ft.yml

@@ -1,10 +1,6 @@
 base_model: cerebras/btlm-3b-8k-base
-# optionally might have model_type or tokenizer_type
 model_type: AutoModelForCausalLM
 tokenizer_type: GPT2Tokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 trust_remote_code: true
 tokenizer_use_fast: true
 tokenizer_legacy: true

examples/cerebras/qlora.yml

@@ -1,7 +1,4 @@
 base_model: cerebras/Cerebras-GPT-1.3B
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 load_in_8bit: false
 load_in_4bit: true
 strict: false

examples/code-llama/13b/lora.yml

@@ -1,9 +1,6 @@
 base_model: codellama/CodeLlama-13b-hf
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: CodeLlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: true
 load_in_4bit: false

examples/code-llama/13b/qlora.yml

@@ -1,9 +1,6 @@
 base_model: codellama/CodeLlama-13b-hf
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: CodeLlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: true

examples/code-llama/34b/lora.yml

@@ -1,9 +1,6 @@
 base_model: codellama/CodeLlama-34b-hf
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: CodeLlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: true
 load_in_4bit: false

examples/code-llama/34b/qlora.yml

@@ -1,9 +1,6 @@
 base_model: codellama/CodeLlama-34b-hf
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: CodeLlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: true

examples/code-llama/7b/lora.yml

@@ -1,9 +1,6 @@
 base_model: codellama/CodeLlama-7b-hf
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: CodeLlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: true
 load_in_4bit: false

examples/code-llama/7b/qlora.yml

@@ -1,9 +1,6 @@
 base_model: codellama/CodeLlama-7b-hf
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: CodeLlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: true

examples/dbrx/16bit-lora.yaml

@@ -1,7 +1,4 @@
 base_model: LnL-AI/dbrx-base-converted-v2
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 trust_remote_code: true
 
 load_in_8bit: false

examples/dbrx/8bit-lora.yaml

@@ -1,7 +1,4 @@
 base_model: LnL-AI/dbrx-base-converted-v2
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 trust_remote_code: true
 
 load_in_8bit: true

examples/dbrx/fft-ds-zero3.yaml

@@ -1,7 +1,4 @@
 base_model: LnL-AI/dbrx-base-converted-v2
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 trust_remote_code: true
 
 load_in_8bit: false

examples/deepseek-v2/fft-fsdp-16b.yaml

@@ -1,6 +1,4 @@
 base_model: deepseek-ai/DeepSeek-V2-Lite
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 trust_remote_code: true
 
 load_in_8bit: false

examples/deepseek-v2/qlora-fsdp-2_5.yaml

@@ -1,7 +1,4 @@
 base_model: axolotl-quants/DeepSeek-V2.5-bnb-nf4-bf16
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 trust_remote_code: true
 
 load_in_8bit: false

examples/falcon/config-7b-lora.yml

@@ -1,12 +1,7 @@
 base_model: tiiuae/falcon-7b
-# optionally might have model_type or tokenizer_type
+trust_remote_code: true
 model_type: AutoModelForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
-# required by falcon custom model code: https://huggingface.co/tiiuae/falcon-7b/tree/main
-trust_remote_code: true
 
 load_in_8bit: true
 load_in_4bit: false

examples/falcon/config-7b-qlora.yml

@@ -1,15 +1,10 @@
 # 1b: tiiuae/falcon-rw-1b
 # 40b: tiiuae/falcon-40b
 base_model: tiiuae/falcon-7b
-# optionally might have model_type or tokenizer_type
-model_type: AutoModelForCausalLM
-tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 # required by falcon custom model code: https://huggingface.co/tiiuae/falcon-7b/tree/main
 trust_remote_code: true
-
+model_type: AutoModelForCausalLM
+tokenizer_type: AutoTokenizer
 
 load_in_8bit: false
 # enable 4bit for QLoRA

examples/falcon/config-7b.yml

@@ -1,12 +1,7 @@
 base_model: tiiuae/falcon-7b
-# optionally might have model_type or tokenizer_type
+trust_remote_code: true
 model_type: AutoModelForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
-# required by falcon custom model code: https://huggingface.co/tiiuae/falcon-7b/tree/main
-trust_remote_code: true
 
 load_in_8bit: false
 load_in_4bit: false

examples/gemma/qlora.yml

@@ -1,10 +1,7 @@
 # use google/gemma-7b if you have access
 base_model: mhenrichsen/gemma-7b
-# optionally might have model_type or tokenizer_type
 model_type: AutoModelForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: true

examples/gemma2/qlora.yml

@@ -1,9 +1,6 @@
 base_model: google/gemma-2-9b
-# optionally might have model_type or tokenizer_type
 model_type: AutoModelForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: true

examples/gemma2/reward-model.yaml

@@ -1,9 +1,6 @@
 base_model: google/gemma-2-2b
-# optionally might have model_type or tokenizer_type
 model_type: AutoModelForSequenceClassification
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: false

examples/gptj/qlora.yml

@@ -1,7 +1,4 @@
 base_model: EleutherAI/gpt-j-6b
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 load_in_8bit: false
 load_in_4bit: true
 strict: false

examples/jamba/qlora.yaml

@@ -1,7 +1,4 @@
 base_model: ai21labs/Jamba-v0.1
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 trust_remote_code: true
 
 load_in_8bit: false

examples/jamba/qlora_deepspeed.yaml

@@ -1,6 +1,4 @@
 base_model: ai21labs/Jamba-v0.1
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 trust_remote_code: true
 
 load_in_8bit: false

examples/jamba/qlora_fsdp_large.yaml

@@ -1,8 +1,5 @@
 base_model: ai21labs/AI21-Jamba-1.5-Large
-# optionally might have model_type or tokenizer_type
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_4bit: true
 strict: false

examples/jeopardy-bot/config.yml

@@ -1,10 +1,6 @@
 base_model: huggyllama/llama-7b
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 load_in_8bit: false
 datasets:
   - path: openaccess-ai-collective/jeopardy

examples/llama-2/fft_optimized.yml

@@ -1,9 +1,6 @@
 base_model: NousResearch/Llama-2-7b-hf
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: false

examples/llama-2/gptq-lora.yml

@@ -1,13 +1,8 @@
 base_model: TheBloke/Llama-2-7B-GPTQ
-# optionally might have model_type or tokenizer_type
-model_type: AutoModelForCausalLM
-tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 gptq: true
 gptq_disable_exllama: true
-
+model_type: AutoModelForCausalLM
+tokenizer_type: LlamaTokenizer
 tokenizer_use_fast: true
 tokenizer_legacy: true
 load_in_8bit: false

examples/llama-2/lisa.yml

@@ -1,9 +1,6 @@
 base_model: NousResearch/Llama-2-7b-hf
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: false

examples/llama-2/loftq.yml

@@ -1,9 +1,6 @@
 base_model: NousResearch/Llama-2-7b-hf
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: false

examples/llama-2/lora.yml

@@ -1,9 +1,6 @@
 base_model: NousResearch/Llama-2-7b-hf
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: true
 load_in_4bit: false

examples/llama-2/qlora-fsdp.yml

@@ -1,9 +1,6 @@
 base_model: NousResearch/Llama-2-7b-hf
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: true

examples/llama-2/qlora.yml

@@ -1,9 +1,6 @@
 base_model: NousResearch/Llama-2-7b-hf
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: true

examples/llama-3-vision/lora-11b.yaml

@@ -1,9 +1,5 @@
 base_model: alpindale/Llama-3.2-11B-Vision-Instruct
-# optionally might have model_type or tokenizer_type or processor_type
 processor_type: AutoProcessor
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 strict: false
 
 # these 3 lines are needed for now to handle vision chat templates w images

examples/llama-3/fft-8b-liger-fsdp.yaml

@@ -1,6 +1,4 @@
 base_model: NousResearch/Meta-Llama-3.1-8B
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 plugins:
   - axolotl.integrations.liger.LigerPlugin

examples/llama-3/fft-8b.yaml

@@ -1,6 +1,4 @@
 base_model: NousResearch/Meta-Llama-3.1-8B
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: false

examples/llama-3/instruct-dpo-lora-8b.yml

@@ -1,9 +1,6 @@
 base_model: meta-llama/Meta-Llama-3-8B-Instruct
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: true
 load_in_4bit: false

examples/llama-3/instruct-lora-8b.yml

@@ -1,9 +1,6 @@
 base_model: NousResearch/Meta-Llama-3-8B-Instruct
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: true
 load_in_4bit: false

examples/llama-3/lora-1b-deduplicate-dpo.yml

@@ -1,9 +1,6 @@
 base_model: meta-llama/Llama-3.2-1B
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: true
 load_in_4bit: false

examples/llama-3/lora-1b-deduplicate-sft.yml

@@ -1,9 +1,6 @@
 base_model: meta-llama/Llama-3.2-1B
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: true
 load_in_4bit: false

examples/llama-3/lora-1b.yml

@@ -1,6 +1,4 @@
 base_model: NousResearch/Llama-3.2-1B
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: false

examples/llama-3/lora-8b.yml

@@ -1,9 +1,6 @@
 base_model: NousResearch/Meta-Llama-3-8B
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: true
 load_in_4bit: false

examples/llama-3/qlora-1b-kto.yaml

@@ -1,6 +1,4 @@
 base_model: meta-llama/Llama-3.2-1B
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: true

examples/llama-3/qlora-1b.yml

@@ -1,6 +1,4 @@
 base_model: NousResearch/Llama-3.2-1B
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: true

examples/llama-3/qlora-fsdp-405b.yaml

@@ -1,8 +1,5 @@
 base_model: hugging-quants/Meta-Llama-3.1-405B-BNB-NF4-BF16
-# optionally might have model_type or tokenizer_type
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_4bit: true
 strict: false

examples/llama-3/qlora-fsdp-70b.yaml

@@ -1,9 +1,6 @@
 base_model: casperhansen/llama-3-70b-fp16
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: AutoTokenizer  # PreTrainedTokenizerFast
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: true

examples/llama-3/qlora.yml

@@ -1,9 +1,6 @@
 base_model: NousResearch/Meta-Llama-3-8B
-# optionally might have model_type or tokenizer_type
 model_type: AutoModelForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: true

examples/mamba/config.yml

@@ -1,10 +1,7 @@
 base_model: state-spaces/mamba-2.8b
-# optionally might have model_type or tokenizer_type or tokenizer_config
 model_type: MambaLMHeadModel
 tokenizer_type: AutoTokenizer
 tokenizer_config: EleutherAI/gpt-neox-20b
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: false

examples/mistral/bigstral-ds-zero3.yaml

@@ -1,10 +1,6 @@
 base_model: mistral-community/Mixtral-8x22B-v0.1
-# optionally might have model_type or tokenizer_type
 model_type: AutoModelForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 trust_remote_code: true
 
 load_in_8bit: false

examples/mistral/config.yml

@@ -1,9 +1,6 @@
 base_model: mistralai/Mistral-7B-v0.1
-# optionally might have model_type or tokenizer_type
 model_type: MistralForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: false

examples/mistral/lora-mps.yml

@@ -1,9 +1,6 @@
 base_model: mistralai/Mistral-7B-v0.1
-# optionally might have model_type or tokenizer_type
 model_type: MistralForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: false

examples/mistral/lora.yml

@@ -1,9 +1,6 @@
 base_model: mistralai/Mistral-7B-v0.1
-# optionally might have model_type or tokenizer_type
 model_type: MistralForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: true
 load_in_4bit: false

examples/mistral/mistral-dpo-qlora.yml

@@ -4,11 +4,8 @@
 #face problems with the special tokens.
 
 base_model: mistralai/Mistral-7B-Instruct-v0.2
-# optionally might have model_type or tokenizer_type
 model_type: MistralForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: true

examples/mistral/mistral-qlora-fsdp.yml

@@ -1,10 +1,6 @@
 base_model: mistralai/Mixtral-8x7B-v0.1
-# optionally might have model_type or tokenizer_type
 model_type: AutoModelForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 trust_remote_code: true
 
 load_in_8bit: false

examples/mistral/mistral-qlora-orpo.yml

@@ -1,9 +1,6 @@
 base_model: mistralai/Mistral-7B-v0.1
-# optionally might have model_type or tokenizer_type
 model_type: MistralForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: true

examples/mistral/mixtral-8x22b-qlora-fsdp.yml

@@ -1,9 +1,6 @@
 base_model: mistral-community/Mixtral-8x22B-v0.1
-# optionally might have model_type or tokenizer_type
 model_type: AutoModelForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: true

examples/mistral/mixtral-qlora-fsdp.yml

@@ -1,10 +1,6 @@
 base_model: mistralai/Mixtral-8x7B-v0.1
-# optionally might have model_type or tokenizer_type
 model_type: AutoModelForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 trust_remote_code: true
 
 load_in_8bit: false

examples/mistral/mixtral.yml

@@ -1,10 +1,6 @@
 base_model: mistralai/Mixtral-8x7B-v0.1
-# optionally might have model_type or tokenizer_type
 model_type: AutoModelForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 trust_remote_code: true
 
 load_in_8bit: false

examples/mistral/mixtral_22.yml

@@ -1,10 +1,6 @@
 base_model: mistral-community/Mixtral-8x22B-v0.1
-# optionally might have model_type or tokenizer_type
 model_type: AutoModelForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 trust_remote_code: true
 
 load_in_8bit: false

examples/mistral/qlora.yml

@@ -1,9 +1,6 @@
 base_model: mistralai/Mistral-7B-v0.1
-# optionally might have model_type or tokenizer_type
 model_type: MistralForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: true

examples/mpt-7b/config.yml

@@ -1,9 +1,5 @@
 base_model: mosaicml/mpt-7b
-# optionally might have model_type or tokenizer_type
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 trust_remote_code: true  # required for mpt as their model class is not merged into transformers yet
 load_in_8bit: false
 datasets:

examples/openllama-3b/config.yml

@@ -1,10 +1,6 @@
 base_model: openlm-research/open_llama_3b_v2
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 load_in_8bit: false
 load_in_4bit: false
 strict: false

examples/openllama-3b/lora.yml

@@ -1,10 +1,6 @@
 base_model: openlm-research/open_llama_3b_v2
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 load_in_8bit: true
 load_in_4bit: false
 strict: false

examples/openllama-3b/qlora.yml

@@ -1,10 +1,6 @@
 base_model: openlm-research/open_llama_3b_v2
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 load_in_8bit: false
 load_in_4bit: true
 strict: false

examples/phi/lora-3.5.yaml

@@ -1,9 +1,6 @@
 base_model: microsoft/Phi-3.5-mini-instruct
-# optionally might have model_type or tokenizer_type
 model_type: AutoModelForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: true
 load_in_4bit: false

examples/phi/phi-ft.yml

@@ -1,9 +1,6 @@
 base_model: microsoft/phi-1_5
-# optionally might have model_type or tokenizer_type
 model_type: AutoModelForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: false

examples/phi/phi-qlora.yml

@@ -1,9 +1,6 @@
 base_model: microsoft/phi-1_5
-# optionally might have model_type or tokenizer_type
 model_type: AutoModelForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: true

examples/phi/phi2-ft.yml

@@ -1,9 +1,6 @@
 base_model: microsoft/phi-2
-# optionally might have model_type or tokenizer_type
 model_type: AutoModelForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: false

examples/phi/phi3-ft-fsdp.yml

@@ -1,9 +1,6 @@
 base_model: microsoft/Phi-3-mini-4k-instruct
-# optionally might have model_type or tokenizer_type
 model_type: AutoModelForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: false

examples/phi/phi3-ft.yml

@@ -1,11 +1,7 @@
 base_model: microsoft/Phi-3-mini-4k-instruct
-# optionally might have model_type or tokenizer_type
 trust_remote_code: true
 model_type: AutoModelForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 chat_template: phi_3
 
 load_in_8bit: false

examples/pythia-12b/config.yml

@@ -1,11 +1,7 @@
 base_model: EleutherAI/pythia-12b-deduped
 base_model_ignore_patterns: pytorch*  # prefer safetensors
-# optionally might have model_type or tokenizer_type
 model_type: GPTNeoXForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 load_in_8bit: false
 load_in_4bit: false
 gptq: false

examples/pythia/lora.yml

@@ -1,7 +1,4 @@
 base_model: EleutherAI/pythia-1.4b-deduped
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 load_in_8bit: true
 datasets:
   - path: teknium/GPT4-LLM-Cleaned

examples/qwen/lora.yml

@@ -1,9 +1,6 @@
 base_model: Qwen/Qwen-7B
-# optionally might have model_type or tokenizer_type
 model_type: AutoModelForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 trust_remote_code: true
 

examples/qwen/qlora.yml

@@ -1,9 +1,6 @@
 base_model: Qwen/Qwen-7B
-# optionally might have model_type or tokenizer_type
 model_type: AutoModelForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 trust_remote_code: true
 

examples/qwen/qwen2-moe-lora.yaml

@@ -1,7 +1,4 @@
 base_model: Qwen/Qwen1.5-MoE-A2.7B
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 trust_remote_code: true
 
 load_in_8bit: false

examples/qwen/qwen2-moe-qlora.yaml

@@ -1,7 +1,4 @@
 base_model: Qwen/Qwen1.5-MoE-A2.7B
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 trust_remote_code: true
 
 load_in_8bit: false

examples/qwen2/dpo.yaml

@@ -1,6 +1,4 @@
 base_model: Qwen/Qwen2.5-0.5B
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 strict: false
 

examples/qwen2/qlora-fsdp.yaml

@@ -1,7 +1,4 @@
 base_model: Qwen/Qwen2-7B
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 trust_remote_code: true
 
 load_in_8bit: false

examples/redpajama/config-3b.yml

@@ -1,10 +1,6 @@
 base_model: togethercomputer/RedPajama-INCITE-Chat-3B-v1
-# optionally might have model_type or tokenizer_type
 model_type: GPTNeoXForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 trust_remote_code:
 load_in_8bit: false
 datasets:

examples/replit-3b/config-lora.yml

@@ -1,7 +1,4 @@
 base_model: replit/replit-code-v1-3b
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 trust_remote_code: true
 load_in_8bit: false
 datasets:

examples/stablelm-2/1.6b/fft.yml

@@ -1,10 +1,6 @@
 base_model: stabilityai/stablelm-2-1_6b
-# optionally might have model_type or tokenizer_type
 model_type: AutoModelForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 trust_remote_code: true
 
 load_in_8bit: false

examples/stablelm-2/1.6b/lora.yml

@@ -1,10 +1,6 @@
 base_model: stabilityai/stablelm-2-1_6b
-# optionally might have model_type or tokenizer_type
 model_type: AutoModelForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
 trust_remote_code: true
 
 load_in_8bit: true

examples/starcoder2/qlora.yml

@@ -1,6 +1,4 @@
 base_model: bigcode/starcoder2-3b
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: true

examples/tiny-llama/lora-mps.yml

@@ -1,9 +1,6 @@
 base_model: TinyLlama/TinyLlama_v1.1
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: true
 load_in_4bit: false

examples/tiny-llama/lora.yml

@@ -1,8 +1,5 @@
 base_model: TinyLlama/TinyLlama_v1.1
-# optionally might have model_type or tokenizer_type
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: true
 load_in_4bit: false

examples/tiny-llama/pretrain.yml

@@ -1,9 +1,7 @@
 base_model: TinyLlama/TinyLlama-1.1B-Chat-v1.0
-# optionally might have model_type or tokenizer_type
+
 model_type: LlamaForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: false

examples/tiny-llama/qlora.yml

@@ -1,9 +1,6 @@
 base_model: TinyLlama/TinyLlama_v1.1
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: true

examples/xgen-7b/xgen-7b-8k-qlora.yml

@@ -1,14 +1,9 @@
 # An example finetuning Saleforce's XGen-7b model with 8k context using qlora
 # on Tim Dettmer's Guanaco dataset.
 base_model: Salesforce/xgen-7b-8k-base
-# optionally might have model_type or tokenizer_type
+trust_remote_code: true
 model_type: AutoModelForCausalLM
 tokenizer_type: AutoTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
-trust_remote_code: true
-
 load_in_8bit: false
 # enable 4bit for QLoRA
 load_in_4bit: true

examples/yi-34B-chat/qlora.yml

@@ -1,9 +1,6 @@
 base_model: 01-ai/Yi-34B-Chat
-# optionally might have model_type or tokenizer_type
 model_type: LlamaForCausalLM
 tokenizer_type: LlamaTokenizer
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
 
 load_in_8bit: false
 load_in_4bit: true

requirements.txt

@@ -7,31 +7,26 @@ mamba-ssm==1.2.0.post1
 flash-attn==2.7.0.post2
 xformers>=0.0.23.post1
 autoawq==0.2.7.post3
-liger-kernel==0.5.2
+liger-kernel==0.4.2
 # END section
 
 packaging==23.2
-
 peft==0.14.0
-transformers==4.47.1
+transformers>=4.46.3
 tokenizers>=0.20.1
-accelerate==1.2.1
+accelerate==1.2.0
 datasets==3.1.0
 deepspeed==0.16.1
-trl==0.12.1
-
-optimum==1.16.2
-hf_transfer
-sentencepiece
-gradio==3.50.2
-
 pydantic==2.6.3
 addict
 fire
 PyYAML>=6.0
 requests
+sentencepiece
 wandb
 einops
+optimum==1.16.2
+hf_transfer
 colorama
 numba
 numpy>=1.24.4,<=2.0.1
@@ -41,6 +36,7 @@ scipy
 scikit-learn==1.4.2
 nvidia-ml-py==12.560.30
 art
+gradio==3.50.2
 tensorboard
 python-dotenv==1.0.1
 
@@ -49,6 +45,7 @@ s3fs>=2024.5.0
 gcsfs>=2024.5.0
 # adlfs
 
+trl==0.12.1
 zstandard==0.22.0
 fastcore
 
@@ -58,7 +55,5 @@ langdetect==1.0.9
 immutabledict==4.2.0
 antlr4-python3-runtime==4.13.2
 
-torchao==0.7.0
+torchao==0.5.0
 schedulefree==1.3.0
-
-axolotl-contribs-lgpl==0.0.2

scripts/unsloth_install.py

@@ -32,5 +32,5 @@ else:
     raise RuntimeError(f"Torch = {v} too new!")
 x = x.format(cuda.replace(".", ""), "-ampere" if is_ampere else "")
 print(
-    f'pip install unsloth-zoo==2024.12.1 && pip install --no-deps "unsloth[{x}]==2024.12.4"'
+    f'pip install unsloth-zoo==2024.11.7 && pip install --no-deps "unsloth[{x}]==2024.11.9"'
 )

src/axolotl/__init__.py

@@ -1,7 +1,3 @@
 """Axolotl - Train and fine-tune large language models"""
 
-import pkgutil
-
-__path__ = pkgutil.extend_path(__path__, __name__)  # Make this a namespace package
-
 __version__ = "0.6.0"

src/axolotl/cli/evaluate.py

@@ -1,52 +0,0 @@
-"""
-CLI to run training on a model
-"""
-import logging
-from pathlib import Path
-from typing import Union
-
-import fire
-from dotenv import load_dotenv
-from transformers.hf_argparser import HfArgumentParser
-
-from axolotl.cli import (
-    check_accelerate_default_config,
-    check_user_token,
-    load_cfg,
-    load_datasets,
-    load_rl_datasets,
-    print_axolotl_text_art,
-)
-from axolotl.common.cli import TrainerCliArgs
-from axolotl.evaluate import evaluate
-
-LOG = logging.getLogger("axolotl.cli.evaluate")
-
-
-def do_evaluate(cfg, cli_args) -> None:
-    # pylint: disable=duplicate-code
-    print_axolotl_text_art()
-    check_accelerate_default_config()
-    check_user_token()
-
-    if cfg.rl:  # and cfg.rl != "orpo":
-        dataset_meta = load_rl_datasets(cfg=cfg, cli_args=cli_args)
-    else:
-        dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
-
-    evaluate(cfg=cfg, cli_args=cli_args, dataset_meta=dataset_meta)
-
-
-def do_cli(config: Union[Path, str] = Path("examples/"), **kwargs) -> None:
-    # pylint: disable=duplicate-code
-    parsed_cfg = load_cfg(config, **kwargs)
-    parser = HfArgumentParser(TrainerCliArgs)
-    parsed_cli_args, _ = parser.parse_args_into_dataclasses(
-        return_remaining_strings=True
-    )
-    do_evaluate(parsed_cfg, parsed_cli_args)
-
-
-if __name__ == "__main__":
-    load_dotenv()
-    fire.Fire(do_cli)

src/axolotl/cli/main.py

@@ -12,8 +12,7 @@ from axolotl.cli.utils import (
     build_command,
     fetch_from_github,
 )
-from axolotl.common.cli import EvaluateCliArgs, PreprocessCliArgs, TrainerCliArgs
-from axolotl.utils import set_pytorch_cuda_alloc_conf
+from axolotl.common.cli import PreprocessCliArgs, TrainerCliArgs
 from axolotl.utils.config.models.input.v0_4_1 import AxolotlInputConfig
 
 
@@ -49,9 +48,6 @@ def train(config: str, accelerate: bool, **kwargs):
     """Train or fine-tune a model."""
     kwargs = {k: v for k, v in kwargs.items() if v is not None}
 
-    # Enable expandable segments for cuda allocation to improve VRAM usage
-    set_pytorch_cuda_alloc_conf()
-
     if accelerate:
         base_cmd = ["accelerate", "launch", "-m", "axolotl.cli.train"]
         if config:
@@ -69,31 +65,6 @@ def train(config: str, accelerate: bool, **kwargs):
 @click.option(
     "--accelerate/--no-accelerate",
     default=True,
-    help="Use accelerate launch for multi-GPU training",
-)
-@add_options_from_dataclass(EvaluateCliArgs)
-@add_options_from_config(AxolotlInputConfig)
-def evaluate(config: str, accelerate: bool, **kwargs):
-    """Evaluate a model."""
-    kwargs = {k: v for k, v in kwargs.items() if v is not None}
-
-    if accelerate:
-        base_cmd = ["accelerate", "launch", "-m", "axolotl.cli.evaluate"]
-        if config:
-            base_cmd.append(config)
-        cmd = build_command(base_cmd, kwargs)
-        subprocess.run(cmd, check=True)  # nosec B603
-    else:
-        from axolotl.cli.evaluate import do_cli
-
-        do_cli(config=config, **kwargs)
-
-
-@cli.command()
-@click.argument("config", type=click.Path(exists=True, path_type=str))
-@click.option(
-    "--accelerate/--no-accelerate",
-    default=False,
     help="Use accelerate launch for multi-GPU inference",
 )
 @click.option(
@@ -124,7 +95,7 @@ def inference(
     if lora_model_dir:
         kwargs["lora_model_dir"] = lora_model_dir
     if base_model:
-        kwargs["base_model"] = base_model
+        kwargs["output_dir"] = base_model
 
     if accelerate:
         base_cmd = ["accelerate", "launch", "-m", "axolotl.cli.inference"]

src/axolotl/common/cli.py

@@ -15,19 +15,6 @@ configure_logging()
 LOG = logging.getLogger("axolotl.common.cli")
 
 
-@dataclass
-class PreprocessCliArgs:
-    """
-    dataclass representing arguments for preprocessing only
-    """
-
-    debug: bool = field(default=False)
-    debug_text_only: bool = field(default=False)
-    debug_num_examples: int = field(default=1)
-    prompter: Optional[str] = field(default=None)
-    download: Optional[bool] = field(default=True)
-
-
 @dataclass
 class TrainerCliArgs:
     """
@@ -44,14 +31,16 @@ class TrainerCliArgs:
 
 
 @dataclass
-class EvaluateCliArgs:
+class PreprocessCliArgs:
     """
-    dataclass representing the various evaluation arguments
+    dataclass representing arguments for preprocessing only
     """
 
     debug: bool = field(default=False)
     debug_text_only: bool = field(default=False)
-    debug_num_examples: int = field(default=0)
+    debug_num_examples: int = field(default=1)
+    prompter: Optional[str] = field(default=None)
+    download: Optional[bool] = field(default=True)
 
 
 def load_model_and_tokenizer(
@@ -61,9 +50,7 @@ def load_model_and_tokenizer(
 ):
     LOG.info(f"loading tokenizer... {cfg.tokenizer_config or cfg.base_model_config}")
     tokenizer = load_tokenizer(cfg)
-
     LOG.info("loading model and (optionally) peft_config...")
-    inference = getattr(cli_args, "inference", False)
-    model, _ = load_model(cfg, tokenizer, inference=inference)
+    model, _ = load_model(cfg, tokenizer, inference=cli_args.inference)
 
     return model, tokenizer

src/axolotl/core/tokenizer_utils.py

@@ -0,0 +1,272 @@
+"""
+helper functions for fixing the embeddings/tokenizer
+"""
+
+# Copyright 2023-present Daniel Han-Chen & the Unsloth team. All rights reserved.
+# GNU LESSER GENERAL PUBLIC LICENSE
+# Version 3, 29 June 2007
+#
+# Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+# Everyone is permitted to copy and distribute verbatim copies
+# of this license document, but changing it is not allowed.
+
+import gc
+import itertools
+import logging
+from collections import Counter
+
+import datasets
+import numpy as np
+import torch
+
+LOG = logging.getLogger("axolotl.core.tokenizer_utils")
+
+
+@torch.inference_mode()
+def fix_untrained_tokens(  # pylint: disable=too-many-return-statements
+    model, tokenizer, train_dataset, ignored_tokenizer_names=None, eps=1e-16
+):
+    """
+    Llama-3 for eg has untrained vectors in the base model.
+    These include <|eot_id|>, <|start_header_id|>, <|end_header_id|>
+    We reset them to the mean of the rest of the tokens
+    """
+    # Code licensed under LGPL
+    embedding_matrix = model.get_input_embeddings().weight
+    lm_head_matrix = model.get_output_embeddings().weight
+    chat_template = getattr(tokenizer, "chat_template", None)
+    tokenizer = tokenizer.tokenizer if hasattr(tokenizer, "tokenizer") else tokenizer
+
+    # Ignore some model checks for now
+    if not ignored_tokenizer_names:
+        ignored_tokenizer_names = []
+    if (
+        model.config._name_or_path  # pylint: disable=protected-access
+        in ignored_tokenizer_names
+    ):
+        return
+
+    # Sometimes the sizes can be different like in vision models
+    # Ie <image> is in input, but not in output
+    min_size = min(embedding_matrix.shape[1], lm_head_matrix.shape[1])
+    embedding_matrix = embedding_matrix[:, :min_size]
+    lm_head_matrix = lm_head_matrix[:, :min_size]
+
+    # Get untrained tokens
+    indicator_untrained1 = torch.amax(embedding_matrix, axis=1) <= eps
+    # Check lm_head as well
+
+    # Does NOT work for Llama 3.1!!
+    indicator_untrained2 = torch.amax(lm_head_matrix, axis=1) <= eps
+
+    # We instead check for repeated vectors
+    lm_head_where = torch.where(indicator_untrained1)[0]
+    lm_head_bad = lm_head_matrix[lm_head_where]
+    lm_head_bad = lm_head_bad.cpu().float().numpy().round(3)
+    counter = Counter()
+    for row in lm_head_bad:
+        counter[hash(row.data.tobytes())] += 1
+    counter = Counter({k: c for k, c in counter.items() if c >= 2})
+
+    lm_head_where = lm_head_where.cpu().numpy()
+    final_bad_lm_head = []
+    for j, row in enumerate(lm_head_bad):
+        if hash(row.data.tobytes()) in counter:
+            final_bad_lm_head.append(lm_head_where[j])
+    indicator_untrained2 = indicator_untrained2 | torch.zeros_like(indicator_untrained2)
+    indicator_untrained2[final_bad_lm_head] = True
+
+    # Combine both checks
+    indicator_untrained = indicator_untrained1 & indicator_untrained2
+
+    # Remove pad token possibility
+    if hasattr(tokenizer, "pad_token_id"):
+        pad_token_id = tokenizer.pad_token_id
+        if pad_token_id is not None and pad_token_id < indicator_untrained.shape[0]:
+            indicator_untrained[pad_token_id] = False
+
+    where_untrained = torch.where(indicator_untrained)[0]
+    n_untrained = where_untrained.shape[0]
+    n_trained = embedding_matrix.shape[0] - n_untrained
+
+    # Get set and actual tokens
+    where_untrained = where_untrained.tolist()
+    if len(where_untrained) == 0:
+        return
+
+    # Remove untrained indices where it's longer
+    where_untrained_set = frozenset(where_untrained)
+    actual_bad_tokens = tokenizer.convert_ids_to_tokens(where_untrained)
+    # Remove None items in actual_bad_tokens
+    actual_bad_tokens = [x for x in actual_bad_tokens if x is not None]
+
+    # Check if tokenizer and training datasets have bad tokens
+    if_bad_first = False
+    if_bad_second = False
+    # Check tokenizer's chat template for any untrained tokens
+    if chat_template is not None:
+        if_bad_first = any(x in chat_template for x in actual_bad_tokens)
+
+    if isinstance(train_dataset, datasets.IterableDataset):
+        # Skip the check, since the code below assumes
+        # an indexable dataset
+        return
+
+    # Check the first 250, last 250 input_ids
+    size_dataset = len(train_dataset)
+    size = min(size_dataset, 250)
+    for j in range(size):
+        input_ids = train_dataset[j]
+        if "input_ids" in input_ids:
+            input_ids = input_ids["input_ids"]
+            if_bad = any(item in where_untrained_set for item in input_ids)
+            if if_bad:
+                if_bad_second = True
+                break
+
+    # Check last 250
+    if not if_bad_second:
+        left = max(size_dataset - 250, 0)
+        for j in range(left, size_dataset):
+            input_ids = train_dataset[j]
+            if "input_ids" in input_ids:
+                input_ids = input_ids["input_ids"]
+                if_bad = any(item in where_untrained_set for item in input_ids)
+                if if_bad:
+                    if_bad_second = True
+                    break
+
+    # Check if bad tokens exists!
+    if not if_bad_first and not if_bad_second:
+        return
+
+    # Check if lm_head / embed_token are trainable!
+    bad_not_trainable = False
+    if not embedding_matrix.requires_grad:
+        bad_not_trainable = True
+    if not lm_head_matrix.requires_grad:
+        bad_not_trainable = True
+
+    if bad_not_trainable:  # pylint: disable=too-many-nested-blocks
+        final_bad_items = []
+
+        # Re-check the first 250, last 250 input_ids
+        size_dataset = len(train_dataset)
+        size = min(size_dataset, 250)
+        for j in range(size):
+            input_ids = train_dataset[j]
+            if "input_ids" in input_ids:
+                input_ids = input_ids["input_ids"]
+                for item in input_ids:
+                    if item in where_untrained_set:
+                        final_bad_items.append(item)
+
+        # Re-check last 250
+        left = max(size_dataset - 250, 0)
+        for j in range(left, size_dataset):
+            input_ids = train_dataset[j]
+            if "input_ids" in input_ids:
+                input_ids = input_ids["input_ids"]
+                for item in input_ids:
+                    if item in where_untrained_set:
+                        final_bad_items.append(item)
+
+        # If no bad tokens, possibly chat template itself has issues?
+        if len(final_bad_items) == 0:
+            # Recheck 2000 and last 2000 items
+            size_dataset = len(train_dataset)
+            size = min(size_dataset, 2000)
+            for j in range(size):
+                input_ids = train_dataset[j]
+                if "input_ids" in input_ids:
+                    input_ids = input_ids["input_ids"]
+                    for item in input_ids:
+                        if item in where_untrained_set:
+                            final_bad_items.append(item)
+
+            # Re-check last 2000
+            left = max(size_dataset - 2000, 0)
+            for j in range(left, size_dataset):
+                input_ids = train_dataset[j]
+                if "input_ids" in input_ids:
+                    input_ids = input_ids["input_ids"]
+                    for item in input_ids:
+                        if item in where_untrained_set:
+                            final_bad_items.append(item)
+
+            # Most likely false signal!
+            if len(final_bad_items) == 0:
+                return
+
+        raise ValueError(
+            f"Untrained tokens of [{list(set(final_bad_items))}] found, but embed_tokens & lm_head not trainable, causing NaNs. "
+        )
+
+    # Count all the possible bad tokens
+    final_counts = np.zeros(
+        max(len(tokenizer), embedding_matrix.shape[0]), dtype=np.int64
+    )
+
+    def mapping(examples):
+        input_ids = examples["input_ids"]
+        counter = np.fromiter(itertools.chain.from_iterable(input_ids), dtype=np.int32)
+        np.add.at(final_counts, counter, 1)
+
+    train_dataset.map(mapping, batched=True, desc="Counting untrained tokens")
+
+    # Get counts for untrained tokens
+    counts_untrained = final_counts[where_untrained]
+    # Identify untrained tokens seen in train_dataset
+    indices_seen_in_train = np.where(counts_untrained > 0)[0]
+    tokens_to_update = [where_untrained[i] for i in indices_seen_in_train]
+
+    if len(tokens_to_update) == 0:
+        LOG.info(
+            "No untrained tokens found in train_dataset. No embeddings were modified."
+        )
+        return
+
+    # Log the token IDs that are being rescaled
+    LOG.info(
+        f"Rescaling embeddings for tokens seen in train_dataset: {tokens_to_update}"
+    )
+
+    # Get sum of all items
+    sum_embedding = torch.sum(embedding_matrix, dtype=torch.float32, axis=0)
+    sum_lm_head = torch.sum(lm_head_matrix, dtype=torch.float32, axis=0)
+
+    # Remove bad tokens
+    sum_embedding -= torch.sum(
+        embedding_matrix[where_untrained], dtype=torch.float32, axis=0
+    )
+    sum_lm_head -= torch.sum(
+        lm_head_matrix[where_untrained], dtype=torch.float32, axis=0
+    )
+
+    # Find correct average by dividing by sum of trained tokens
+    mean_embedding = sum_embedding / n_trained
+    mean_lm_head = sum_lm_head / n_trained
+
+    # Compute scaling for tokens to update
+    scaling = counts_untrained[indices_seen_in_train] / max(final_counts.max(), 1)
+    scaling = torch.tensor(scaling, device=mean_embedding.device).unsqueeze(1)
+
+    # Prepare mean embeddings for tokens to update
+    mean_embedding_repeated = (
+        mean_embedding.unsqueeze(0).repeat(len(tokens_to_update), 1) * scaling
+    )
+    mean_lm_head_repeated = (
+        mean_lm_head.unsqueeze(0).repeat(len(tokens_to_update), 1) * scaling
+    )
+
+    # Update embeddings only for tokens seen in train_dataset
+    embedding_matrix[tokens_to_update] = mean_embedding_repeated.to(
+        embedding_matrix.dtype
+    )
+    lm_head_matrix[tokens_to_update] = mean_lm_head_repeated.to(lm_head_matrix.dtype)
+
+    # Clean up
+    for _ in range(3):
+        gc.collect()
+        torch.cuda.empty_cache()
+    return

src/axolotl/core/trainer_builder.py

@@ -14,21 +14,25 @@ import os
 import sys
 from abc import abstractmethod
 from collections import defaultdict
+from contextlib import nullcontext
 from dataclasses import dataclass, field
 from functools import wraps
 from pathlib import Path
 from typing import Any, Dict, List, Literal, Optional, Type, Union
 
 import torch
+import torch.nn.functional as F
 import transformers
 from datasets import Dataset
+from liger_kernel.chunked_loss.fused_linear_preference import (
+    LigerFusedLinearPreferenceBase,
+)
 from packaging import version
 from peft.optimizers import create_loraplus_optimizer
-from torch import nn
+from torch import amp, nn
 from torch.optim.lr_scheduler import OneCycleLR
 from torch.utils.data import BatchSampler, DataLoader, RandomSampler, SequentialSampler
 from transformers import (
-    DataCollatorWithFlattening,
     EarlyStoppingCallback,
     Trainer,
     TrainerCallback,
@@ -56,7 +60,6 @@ from axolotl.monkeypatch.relora import ReLoRACallback, ReLoRAScheduler
 from axolotl.utils import is_comet_available, is_mlflow_available
 from axolotl.utils.callbacks import (
     EvalFirstStepCallback,
-    GCCallback,
     GPUStatsCallback,
     LossWatchDogCallback,
     SaveAxolotlConfigtoWandBCallback,
@@ -67,8 +70,7 @@ from axolotl.utils.callbacks import (
     log_prediction_callback_factory,
 )
 from axolotl.utils.callbacks.lisa import lisa_callback_factory
-from axolotl.utils.callbacks.profiler import PytorchProfilerCallback
-from axolotl.utils.chat_templates import get_chat_template_from_config
+from axolotl.utils.chat_templates import get_chat_template
 from axolotl.utils.collators import (
     BatchSamplerDataCollatorForSeq2Seq,
     DataCollatorForSeq2Seq,
@@ -424,11 +426,6 @@ class SchedulerMixin(Trainer):
 
         return self.lr_scheduler
 
-    def _load_optimizer_and_scheduler(self, checkpoint):
-        if not checkpoint and self.args.optimizer_checkpoint is not None:
-            checkpoint = self.args.optimizer_checkpoint
-        return super()._load_optimizer_and_scheduler(checkpoint)
-
 
 class AxolotlTrainer(SchedulerMixin, Trainer):
     """
@@ -1085,6 +1082,15 @@ class AxolotlDPOTrainer(SchedulerMixin, DPOTrainer):
         self.dataset_tags = dataset_tags
         self.optimizer = None
 
+        from liger_kernel.chunked_loss import LigerFusedLinearDPOLoss
+
+        self.liger_loss = LigerFusedLinearDPOLoss(
+            ignore_index=self.label_pad_token_id,
+            beta=self.beta,
+            compute_nll_loss=True,  # not same as rpo_alpha hasattr(self.args, "rpo_alpha") and self.args.rpo_alpha is not None,
+            use_ref_model=not self.reference_free,
+        )
+
     def create_optimizer(self):
         if self.args.loraplus_lr_ratio is None:
             return super().create_optimizer()
@@ -1188,6 +1194,309 @@ class AxolotlDPOTrainer(SchedulerMixin, DPOTrainer):
         # transformers<=4.46
         return super(DPOTrainer, self).log(logs)  # pylint: disable=bad-super-call
 
+    def get_batch_loss_metrics(
+        self,
+        model,
+        batch: dict[str, Union[list, torch.LongTensor]],
+        train_eval: Literal["train", "eval"] = "train",
+    ):
+        """Compute the DPO loss and other metrics using Liger kernel."""
+        # return super().get_batch_loss_metrics(model, batch, train_eval)
+        if not self.liger_loss:
+            raise ValueError("Liger loss not initialized")
+
+        metrics = {}
+
+        model_output = self.concatenated_forward(model, batch)
+
+        # Get the lm_head weights and bias
+        lin_weight = model.lm_head.weight
+        lin_bias = getattr(model.lm_head, "bias", None)
+
+        hidden_states = model_output["hidden_states"]
+        labels = model_output["labels"]
+
+        if not self.reference_free:
+            # Adapted from DPO's compute_ref_log_probs
+            compte_ref_context_manager = (
+                amp.autocast("cuda")
+                if self._peft_has_been_casted_to_bf16
+                else nullcontext()
+            )
+            with torch.no_grad(), compte_ref_context_manager:  # type: ignore
+                if self.ref_model is None:
+                    with self.null_ref_context():
+                        ref_model_output = self.concatenated_forward(self.model, batch)
+                        ref_weight = self.model.lm_head.weight
+                        ref_bias = getattr(self.model.lm_head, "bias", None)
+
+                        ref_hidden_states = ref_model_output["hidden_states"]
+
+                else:
+                    ref_model_output = self.concatenated_forward(self.ref_model, batch)
+                    ref_weight = self.ref_model.lm_head.weight
+                    ref_bias = getattr(self.ref_model.lm_head, "bias", None)
+
+                ref_hidden_states = ref_model_output["hidden_states"]
+                (
+                    ref_chosen_logps,
+                    ref_rejected_logps,
+                    _ref_chosen_logits,
+                    _ref_rejected_logits,
+                    _ref_chosen_nll_loss,
+                ) = LigerFusedLinearPreferenceBase.chunk_forward(
+                    input_chunk=ref_hidden_states,
+                    weight=ref_weight,
+                    target_chunk=labels,
+                    bias=ref_bias,
+                    # ignore_index=ignore_index,
+                    compute_nll_loss=False,
+                )
+
+        else:
+            ref_hidden_states = None
+            ref_weight = None
+            ref_bias = None
+
+        # Compute loss using Liger kernel
+        loss, return_vars = self.liger_loss(
+            lin_weight=lin_weight,
+            _input=hidden_states,
+            target=labels,
+            bias=lin_bias,  # TODO: check whether to pass bias as FCLE doesn't
+            ref_input=ref_hidden_states,
+            ref_weight=ref_weight,
+            ref_bias=ref_bias,
+        )
+
+        (
+            policy_chosen_logps,
+            policy_rejected_logps,
+            policy_chosen_logits_mean,
+            policy_rejected_logits_mean,
+            policy_nll_loss,
+        ) = return_vars
+
+        # Calculate rewards
+        if not self.reference_free:
+            chosen_rewards = (
+                self.beta * (policy_chosen_logps - (ref_chosen_logps)).detach()
+            )
+            rejected_rewards = (
+                self.beta * (policy_rejected_logps - (ref_rejected_logps)).detach()
+            )
+
+        else:
+            chosen_rewards = self.beta * policy_chosen_logps
+            rejected_rewards = self.beta * policy_rejected_logps
+
+        reward_accuracies = (chosen_rewards > rejected_rewards).float()
+
+        prefix = "eval_" if train_eval == "eval" else ""
+        metrics.update(
+            {
+                f"{prefix}rewards/chosen": chosen_rewards.mean().cpu(),
+                f"{prefix}rewards/rejected": rejected_rewards.mean().cpu(),
+                f"{prefix}rewards/accuracies": reward_accuracies.mean().cpu(),
+                f"{prefix}rewards/margins": (chosen_rewards - rejected_rewards)
+                .mean()
+                .cpu(),
+                f"{prefix}logps/chosen": policy_chosen_logps.mean().cpu(),
+                f"{prefix}logps/rejected": policy_rejected_logps.mean().cpu(),
+                f"{prefix}logits/chosen": policy_chosen_logits_mean.cpu(),
+                f"{prefix}logits/rejected": policy_rejected_logits_mean.cpu(),
+            }
+        )
+
+        if hasattr(self.args, "rpo_alpha") and self.args.rpo_alpha is not None:
+            metrics[f"{prefix}nll_loss"] = policy_nll_loss.cpu()
+
+        # TODO: Handle use_weighting, aux_loss_enabled as in upstream
+
+        return loss, metrics
+
+    def concatenated_forward(
+        self, model: nn.Module, batch: dict[str, Union[list, torch.LongTensor]]
+    ):
+        """Run the given model on the given batch of inputs, concatenating the chosen and rejected inputs together.
+
+        We do this to avoid doing two forward passes, because it's faster for FSDP.
+
+        Overridden base function to return the hidden states and labels for the loss calculation.
+        """
+        num_examples = batch["prompt_input_ids"].shape[0]  # type: ignore
+
+        concatenated_batch = self.concatenated_inputs(
+            batch, padding_value=self.padding_value
+        )
+
+        model_kwargs = {}
+        if self.aux_loss_enabled:
+            model_kwargs["output_router_logits"] = True
+
+        # Add to get the hidden states for the loss
+        model_kwargs["output_hidden_states"] = True
+
+        # Add the pixel values and attention masks for vision models
+        if "pixel_values" in concatenated_batch:
+            model_kwargs["pixel_values"] = concatenated_batch["pixel_values"]
+        if "pixel_attention_mask" in concatenated_batch:
+            model_kwargs["pixel_attention_mask"] = concatenated_batch[
+                "pixel_attention_mask"
+            ]
+        if "image_sizes" in concatenated_batch:
+            model_kwargs["image_sizes"] = concatenated_batch["image_sizes"]
+
+        prompt_input_ids = concatenated_batch["prompt_input_ids"]
+        prompt_attention_mask = concatenated_batch["prompt_attention_mask"]
+        completion_input_ids = concatenated_batch["completion_input_ids"]
+        completion_attention_mask = concatenated_batch["completion_attention_mask"]
+        if self.is_encoder_decoder:
+            labels = completion_input_ids
+            labels[completion_attention_mask == 0] = self.label_pad_token_id
+            outputs = model(
+                input_ids=prompt_input_ids,
+                attention_mask=prompt_attention_mask,
+                labels=labels,  # we need the labels for the logits to be returned
+                **model_kwargs,
+            )
+            logits = outputs.logits
+            hidden_states = outputs.decoder_hidden_states[-1]
+            loss_mask = completion_attention_mask.bool()
+        else:
+            # Concatenate the prompt and completion inputs
+            input_ids = torch.cat((prompt_input_ids, completion_input_ids), dim=1)
+            attention_mask = torch.cat(
+                (prompt_attention_mask, completion_attention_mask), dim=1
+            )
+            # Mask the prompt but not the completion for the loss
+            loss_mask = torch.cat(
+                (torch.zeros_like(prompt_attention_mask), completion_attention_mask),
+                dim=1,
+            )
+
+            # Flush left to reduce the memory usage
+            # [[0, 0, x, x, x, x],  ->  [[x, x, x, x],
+            #  [0, x, x, x, 0, 0]]       [x, x, x, 0]]
+            for i in range(attention_mask.size(0)):
+                first_one_idx = torch.nonzero(attention_mask[i])[0].item()
+                input_ids[i] = torch.roll(input_ids[i], shifts=-first_one_idx)  # type: ignore
+                attention_mask[i] = torch.roll(attention_mask[i], shifts=-first_one_idx)  # type: ignore
+                loss_mask[i] = torch.roll(loss_mask[i], shifts=-first_one_idx)  # type: ignore
+
+            # Get the first column idx that is all zeros and remove every column after that
+            empty_cols = torch.sum(attention_mask, dim=0) == 0
+            first_empty_col = (
+                torch.nonzero(empty_cols)[0].item()
+                if empty_cols.any()
+                else attention_mask.size(1)
+            )
+            input_ids = input_ids[:, :first_empty_col]  # type: ignore
+            attention_mask = attention_mask[:, :first_empty_col]  # type: ignore
+            loss_mask = loss_mask[:, :first_empty_col]  # type: ignore
+
+            # Truncate right
+            if self.args.max_length is not None:
+                input_ids = input_ids[:, : self.args.max_length]
+                attention_mask = attention_mask[:, : self.args.max_length]
+                loss_mask = loss_mask[:, : self.args.max_length]
+
+            # if self.use_num_logits_to_keep:
+            #     # Compute num_logits_to_keep based on loss_mask pattern:
+            #     # [[0, 0, 0, x, x, x, x],
+            #     #  [0, 0, 0, x, x, x, 0]]
+            #     #         ^ start computing logits from here ([:, -(7-3+1):])
+            #     first_compute_index = loss_mask.nonzero(as_tuple=True)[1].min()
+            #     num_logits_to_keep = loss_mask.shape[1] - first_compute_index
+            #     model_kwargs["num_logits_to_keep"] = num_logits_to_keep.item() + 1  # +1 for the first label
+
+            outputs = model(
+                input_ids=input_ids, attention_mask=attention_mask, **model_kwargs
+            )
+
+            # Offset the logits by one to align with the labels
+            logits = outputs.logits[:, :-1, :]
+            hidden_states = outputs.hidden_states[-1][:, :-1, :]
+            labels = input_ids[:, 1:].clone()
+            loss_mask = loss_mask[:, 1:].bool()
+
+            # if self.use_num_logits_to_keep:
+            #     # Align labels with logits
+            #     # logits:    -,  -, [x2, x3, x4, x5, x6]
+            #     #                     ^ --------- ^       after logits[:, :-1, :]
+            #     # labels:   [y0, y1, y2, y3, y4, y5, y6]
+            #     #                         ^ --------- ^   with num_logits_to_keep=4, [:, -4:]
+            #     # loss_mask: [0,  0,  0,  1,  1,  1,  1]
+            #     labels = labels[:, -num_logits_to_keep:]
+            #     loss_mask = loss_mask[:, -num_logits_to_keep:]
+            #     hidden_states = hidden_states[:, -num_logits_to_keep:, :]
+
+        if logits.shape[:2] != labels.shape[:2]:
+            # for llava, the returned logits include the image tokens (placed before the text tokens)
+            seq_len = labels.shape[1]
+            logits = logits[:, -seq_len:]
+            hidden_states = hidden_states[:, -seq_len:]
+
+        # Compute the log probabilities of the labels
+        labels[
+            ~loss_mask
+        ] = 0  # dummy token; we'll ignore the losses on these tokens later
+        per_token_logps = torch.gather(
+            logits.log_softmax(-1), dim=2, index=labels.unsqueeze(2)
+        ).squeeze(2)
+        per_token_logps[~loss_mask] = 0
+        all_logps = per_token_logps.sum(-1)
+
+        output = {}
+
+        if self.use_weighting:
+            with torch.no_grad():
+                # Eq (2) of the WPO paper: https://huggingface.co/papers/2406.11827
+                logprobs = F.log_softmax(logits, dim=-1)
+                weights_adjustment_factor = torch.logsumexp(
+                    2 * logprobs, dim=-1
+                )  # same as sum(probs**2) in log space
+                per_token_logps_adjusted = per_token_logps - weights_adjustment_factor
+                all_weights = (per_token_logps_adjusted * loss_mask).sum(
+                    -1
+                ) / loss_mask.sum(-1)
+                chosen_weights = all_weights[:num_examples]
+                rejected_weights = all_weights[num_examples:]
+                output["policy_weights"] = torch.clamp(
+                    torch.exp(chosen_weights + rejected_weights), max=1
+                )
+
+        if self.args.rpo_alpha is not None:
+            # Only use the chosen logits for the RPO loss
+            chosen_logits = logits[:num_examples]
+            chosen_labels = labels[:num_examples]
+
+            # Compute the log probabilities of the labels
+            output["nll_loss"] = F.cross_entropy(
+                torch.flatten(chosen_logits, end_dim=1),
+                torch.flatten(chosen_labels, end_dim=1),
+                ignore_index=0,
+            )
+
+        if self.loss_type == "ipo":
+            all_logps = all_logps / loss_mask.sum(-1)
+
+        output["chosen_logps"] = all_logps[:num_examples]
+        output["rejected_logps"] = all_logps[num_examples:]
+        output["mean_chosen_logits"] = logits[:num_examples][
+            loss_mask[:num_examples]
+        ].mean()
+        output["mean_rejected_logits"] = logits[num_examples:][
+            loss_mask[num_examples:]
+        ].mean()
+        output["hidden_states"] = hidden_states
+        output["labels"] = labels
+
+        if self.aux_loss_enabled:
+            output["aux_loss"] = outputs.aux_loss
+
+        return output
+
 
 class AxolotlORPOTrainer(SchedulerMixin, ORPOTrainer):
     """
@@ -1371,13 +1680,6 @@ class TrainerBuilderBase(abc.ABC):
             plugin_manager.add_callbacks_pre_trainer(cfg=self.cfg, model=self.model)
         )
 
-        if self.cfg.profiler_steps:
-            callbacks.append(
-                PytorchProfilerCallback(
-                    steps_to_profile=self.cfg.profiler_steps,
-                )
-            )
-
         if self.cfg.use_wandb:
             callbacks.append(
                 SaveAxolotlConfigtoWandBCallback(self.cfg.axolotl_config_path)
@@ -1458,8 +1760,6 @@ class HFCausalTrainerBuilder(TrainerBuilderBase):
         if self.cfg.loss_watchdog_threshold is not None:
             callbacks.append(LossWatchDogCallback(self.cfg))
 
-        if self.cfg.gc_steps:
-            callbacks.append(GCCallback(gc_steps=self.cfg.gc_steps))
         callbacks.append(SaveModelCallback())
 
         return callbacks
@@ -1769,10 +2069,6 @@ class HFCausalTrainerBuilder(TrainerBuilderBase):
         ] = self.cfg.loraplus_lr_embedding
         training_arguments_kwargs["embedding_lr"] = self.cfg.embedding_lr
         training_arguments_kwargs["embedding_lr_scale"] = self.cfg.embedding_lr_scale
-        if self.cfg.optimizer_checkpoint:
-            training_arguments_kwargs[
-                "optimizer_checkpoint"
-            ] = self.cfg.optimizer_checkpoint
 
         if self.cfg.lr_scheduler in ["one_cycle", "log_sweep"]:
             training_arguments_kwargs["lr_scheduler_type"] = "cosine"
@@ -1843,8 +2139,8 @@ class HFCausalTrainerBuilder(TrainerBuilderBase):
         training_arguments_kwargs["model_type"] = self.cfg.model_config_type
         training_arguments_kwargs["pretraining"] = bool(self.cfg.pretraining_dataset)
         if self.cfg.chat_template:
-            training_arguments_kwargs["chat_template"] = get_chat_template_from_config(
-                cfg=self.cfg,
+            training_arguments_kwargs["chat_template"] = get_chat_template(
+                self.cfg.chat_template,
                 tokenizer=self.tokenizer,
             )
 
@@ -2002,11 +2298,9 @@ class HFCausalTrainerBuilder(TrainerBuilderBase):
                 V2BatchSamplerDataCollatorForSeq2Seq,
                 BatchSamplerDataCollatorForSeq2Seq,
                 DataCollatorForSeq2Seq,
-                DataCollatorWithFlattening,
                 RewardDataCollatorWithPadding,
             ]
         ]
-        collator_args = [self.tokenizer]
         if self.cfg.reward_model:
             collator = RewardDataCollatorWithPadding
             if "max_length" in kwargs:
@@ -2026,18 +2320,12 @@ class HFCausalTrainerBuilder(TrainerBuilderBase):
                 collator = MultiModalChatDataCollator
                 kwargs["processor"] = self.processor
                 kwargs["chat_template"] = training_args.chat_template
-            elif self.cfg.batch_flattening:
-                collator = DataCollatorWithFlattening
-                collator_args.pop(0)
-                kwargs.pop("pad_to_multiple_of", None)
-                kwargs.pop("padding", None)
             else:
                 collator = DataCollatorForSeq2Seq
 
-        kwargs["return_tensors"] = "pt"
-
         return collator(
-            *collator_args,
+            self.tokenizer,
+            return_tensors="pt",
             **kwargs,
         )
 
@@ -2192,6 +2480,14 @@ class HFRLTrainerBuilder(TrainerBuilderBase):
             if self.cfg.dpo_use_weighting is not None:
                 training_args_kwargs["use_weighting"] = self.cfg.dpo_use_weighting
 
+        report_to = []
+        if self.cfg.use_wandb:
+            report_to.append("wandb")
+            if self.cfg.wandb_name:
+                training_args_kwargs["run_name"] = self.cfg.wandb_name
+
+        training_args_kwargs["report_to"] = report_to
+
         training_args = training_args_cls(  # pylint: disable=unexpected-keyword-arg
             output_dir=self.cfg.output_dir,
             per_device_train_batch_size=self.cfg.micro_batch_size,