Update src/axolotl/common/datasets.py

Co-authored-by: Dan Saunders <danjsaund@gmail.com>

.github/workflows/base.yml

@@ -46,18 +46,6 @@ jobs:
             python_version: "3.11"
             pytorch: 2.6.0
             torch_cuda_arch_list: "7.0 7.5 8.0 8.6 8.7 8.9 9.0+PTX"
-          - cuda: "126"
-            cuda_version: 12.6.3
-            cudnn_version: ""
-            python_version: "3.11"
-            pytorch: 2.7.0
-            torch_cuda_arch_list: "7.0 7.5 8.0 8.6 8.7 8.9 9.0+PTX"
-          - cuda: "128"
-            cuda_version: 12.6.3
-            cudnn_version: ""
-            python_version: "3.11"
-            pytorch: 2.7.0
-            torch_cuda_arch_list: "7.0 7.5 8.0 8.6 8.7 8.9 9.0+PTX"
           - cuda: "128"
             cuda_version: 12.8.1
             cudnn_version: ""

.github/workflows/main.yml

@@ -31,11 +31,6 @@ jobs:
             pytorch: 2.6.0
             axolotl_extras: vllm
             is_latest: true
-          - cuda: 126
-            cuda_version: 12.6.3
-            python_version: "3.11"
-            pytorch: 2.7.0
-            axolotl_extras: vllm
     runs-on: axolotl-gpu-runner
     steps:
       - name: Checkout
@@ -98,11 +93,6 @@ jobs:
             pytorch: 2.6.0
             axolotl_extras:
             is_latest: true
-          - cuda: 126
-            cuda_version: 12.6.3
-            python_version: "3.11"
-            pytorch: 2.7.0
-            axolotl_extras:
     runs-on: axolotl-gpu-runner
     steps:
       - name: Checkout
@@ -148,7 +138,7 @@ jobs:
           - cuda: 124
             cuda_version: 12.4.1
             python_version: "3.11"
-            pytorch: 2.6.0
+            pytorch: 2.4.1
             axolotl_extras:
     runs-on: axolotl-gpu-runner
     steps:

.github/workflows/multi-gpu-e2e.yml

@@ -45,13 +45,6 @@ jobs:
             axolotl_extras: vllm
             num_gpus: 2
             nightly_build: "true"
-          - cuda: 126
-            cuda_version: 12.6.3
-            python_version: "3.11"
-            pytorch: 2.7.0
-            axolotl_extras:
-            num_gpus: 2
-            nightly_build: "true"
     runs-on: [self-hosted, modal]
     timeout-minutes: 120
     steps:
@@ -74,7 +67,6 @@ jobs:
           echo "CUDA=${{ matrix.cuda }}" >> $GITHUB_ENV
           echo "N_GPUS=${{ matrix.num_gpus }}" >> $GITHUB_ENV
           echo "NIGHTLY_BUILD=${{ matrix.nightly_build }}" >> $GITHUB_ENV
-          echo "CODECOV_TOKEN=${{ secrets.CODECOV_TOKEN }}" >> $GITHUB_ENV
       - name: Run tests job on Modal
         run: |
           modal run cicd.multigpu

.github/workflows/tests-nightly.yml

@@ -147,7 +147,6 @@ jobs:
           echo "CUDA=${{ matrix.cuda }}" >> $GITHUB_ENV
           echo "N_GPUS=${{ matrix.num_gpus }}" >> $GITHUB_ENV
           echo "NIGHTLY_BUILD=${{ matrix.nightly_build }}" >> $GITHUB_ENV
-          echo "CODECOV_TOKEN=${{ secrets.CODECOV_TOKEN }}" >> $GITHUB_ENV
       - name: Run tests job on Modal
         run: |
           modal run cicd.e2e_tests

.github/workflows/tests.yml

@@ -49,7 +49,7 @@ jobs:
       max-parallel: 2
       matrix:
         python_version: ["3.11"]
-        pytorch_version: ["2.4.1", "2.5.1", "2.6.0", "2.7.0"]
+        pytorch_version: ["2.4.1", "2.5.1", "2.6.0"]
     timeout-minutes: 20
 
     steps:
@@ -109,7 +109,6 @@ jobs:
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v5
         with:
-          token: ${{ secrets.CODECOV_TOKEN }}
           files: ./coverage.xml
           flags: unittests,pytorch-${{ matrix.pytorch_version }}
           fail_ci_if_error: false
@@ -242,7 +241,6 @@ jobs:
           echo "CUDA=${{ matrix.cuda }}" >> $GITHUB_ENV
           echo "MODAL_IMAGE_BUILDER_VERSION=2024.10" >> $GITHUB_ENV
           echo "N_GPUS=${{ matrix.num_gpus }}" >> $GITHUB_ENV
-          echo "CODECOV_TOKEN=${{ secrets.CODECOV_TOKEN }}" >> $GITHUB_ENV
       - name: Run tests job on Modal
         run: |
           modal run cicd.e2e_tests
@@ -270,12 +268,6 @@ jobs:
             pytorch: 2.5.1
             num_gpus: 1
             axolotl_extras: vllm
-          - cuda: 126
-            cuda_version: 12.6.3
-            python_version: "3.11"
-            pytorch: 2.7.0
-            num_gpus: 1
-            axolotl_extras:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -296,7 +288,6 @@ jobs:
           echo "CUDA=${{ matrix.cuda }}" >> $GITHUB_ENV
           echo "MODAL_IMAGE_BUILDER_VERSION=2024.10" >> $GITHUB_ENV
           echo "N_GPUS=${{ matrix.num_gpus }}" >> $GITHUB_ENV
-          echo "CODECOV_TOKEN=${{ secrets.CODECOV_TOKEN }}" >> $GITHUB_ENV
       - name: Run tests job on Modal
         run: |
           modal run cicd.e2e_tests

cicd/cicd.sh

@@ -9,7 +9,8 @@ pytest -v --durations=10 -n8 \
   --ignore=tests/patched/ \
   --ignore=tests/cli \
   /workspace/axolotl/tests/ \
-  --cov=axolotl
+  --cov=axolotl \
+  --cov-report=xml:coverage.xml
 
 # Run lora kernels tests with coverage append
 pytest -v --durations=10 \
@@ -50,6 +51,11 @@ pytest -v --durations=10 \
   /workspace/axolotl/tests/e2e/ \
   --cov=axolotl \
   --cov-append \
-  --cov-report=xml:e2e-coverage.xml
+  --cov-report=xml:coverage.xml
 
-codecov upload-process -t $CODECOV_TOKEN -f e2e-coverage.xml -F e2e,pytorch-${PYTORCH_VERSION}
+# Upload coverage to Codecov
+if [ -f e2e-coverage.xml ]; then
+  codecov -f e2e-coverage.xml -F e2e,pytorch-${PYTORCH_VERSION}
+else
+  echo "Coverage file not found. Coverage report may have failed."
+fi

cicd/e2e_tests.py

@@ -28,7 +28,6 @@ df_args = {
     "GITHUB_REF": os.environ.get("GITHUB_REF", "refs/heads/main"),
     "GITHUB_SHA": os.environ.get("GITHUB_SHA", ""),
     "NIGHTLY_BUILD": os.environ.get("NIGHTLY_BUILD", ""),
-    "CODECOV_TOKEN": os.environ.get("CODECOV_TOKEN", ""),
     "HF_HOME": "/workspace/data/huggingface-cache/hub",
 }
 

cicd/multigpu.py

@@ -29,7 +29,6 @@ df_args = {
     "CUDA": os.environ.get("CUDA", "121"),
     "GITHUB_REF": os.environ.get("GITHUB_REF", "refs/heads/main"),
     "GITHUB_SHA": os.environ.get("GITHUB_SHA", ""),
-    "CODECOV_TOKEN": os.environ.get("CODECOV_TOKEN", ""),
     "HF_HOME": "/workspace/data/huggingface-cache/hub",
 }
 

cicd/multigpu.sh

@@ -1,23 +1,25 @@
 #!/bin/bash
 set -e
 
+# only run one test at a time so as not to OOM the GPU
+pytest -v  --durations=10 -n2 /workspace/axolotl/tests/e2e/multigpu/ --ignore=/workspace/axolotl/tests/e2e/multigpu/solo/
+pytest -v  --durations=10 -n1 /workspace/axolotl/tests/e2e/multigpu/solo/
+
 # Only run two tests at a time to avoid OOM on GPU (with coverage collection)
 pytest -v -n2 \
-  --ignore=/workspace/axolotl/tests/e2e/multigpu/solo/ \
-  --ignore=/workspace/axolotl/tests/e2e/multigpu/patched/ \
+  --ignore=/workspace/axolotl/tests/e2e/multigpu/solo/
   /workspace/axolotl/tests/e2e/multigpu/ \
-  --cov=axolotl
-
-# Run solo tests with coverage append
-pytest -v --durations=10 -n1 \
-  /workspace/axolotl/tests/e2e/multigpu/solo/ \
   --cov=axolotl \
-  --cov-append
+  --cov-report=xml:multigpu-coverage.xml
 
-pytest -v  --durations=10 -n1 /workspace/axolotl/tests/e2e/multigpu/patched/ \
+pytest -v  --durations=10 -n1 /workspace/axolotl/tests/e2e/multigpu/solo/ \
   --cov=axolotl \
   --cov-append \
   --cov-report=xml:multigpu-coverage.xml
 
 # Upload coverage to Codecov
-codecov upload-process -t $CODECOV_TOKEN -f multigpu-coverage.xml -F multigpu,docker-tests,pytorch-${PYTORCH_VERSION}
+if [ -f multigpu-coverage.xml ]; then
+  codecov -f multigpu-coverage.xml -F multigpu,docker-tests,pytorch-${PYTORCH_VERSION}
+else
+  echo "Coverage file not found. Coverage report may have failed."
+fi

codecov.yml

@@ -49,6 +49,3 @@ comment:
   require_changes: no
   require_base: no
   require_head: yes
-
-github_checks:
-  annotations: false

docker/Dockerfile-base

@@ -37,7 +37,3 @@ RUN git lfs install --skip-repo && \
     pip3 install awscli && \
     # The base image ships with `pydantic==1.8.2` which is not working
     pip3 install -U --no-cache-dir pydantic==1.10.10
-
-RUN if [ "$PYTORCH_VERSION" = "2.7.0" ] ; then \
-        pip3 install flash-attn==2.7.4.post1; \
-    fi

docs/cli.qmd

@@ -199,17 +199,6 @@ output_dir: # Directory to save evaluation results
 
 See [LM Eval Harness](https://github.com/EleutherAI/lm-evaluation-harness) for more details.
 
-### delinearize-llama4
-
-Delinearizes a Llama 4 linearized model into a regular HuggingFace Llama 4 model. This only works with the non-quantized linearized model.
-
-```bash
-axolotl delinearize-llama4 --model path/to/model_dir --output path/to/output_dir
-```
-
-This would be necessary to use with other frameworks. If you have an adapter, merge it with the non-quantized linearized model before delinearizing.
-
-
 ## Legacy CLI Usage
 
 While the new Click-based CLI is preferred, Axolotl still supports the legacy module-based CLI:

docs/installation.qmd

@@ -19,12 +19,6 @@ This guide covers all the ways you can install and set up Axolotl for your envir
 
 ## Installation Methods {#sec-installation-methods}
 
-::: {.callout-important}
-Please make sure to have Pytorch installed before installing Axolotl in your local environment.
-
-Follow the instructions at: [https://pytorch.org/get-started/locally/](https://pytorch.org/get-started/locally/)
-:::
-
 ### PyPI Installation (Recommended) {#sec-pypi}
 
 ```{.bash}

examples/glm4/qlora-32b.yaml

@@ -1,62 +0,0 @@
-base_model: THUDM/GLM-4-32B-0414
-# Automatically upload checkpoint and final model to HF
-# hub_model_id: username/custom_model_name
-
-load_in_4bit: true
-
-datasets:
-  - path: teknium/GPT4-LLM-Cleaned
-    type: alpaca
-dataset_prepared_path: last_run_prepared
-val_set_size: 0
-output_dir: ./outputs/qlora-out
-
-adapter: qlora
-lora_model_dir:
-
-sequence_len: 2048
-sample_packing: true
-eval_sample_packing: true
-pad_to_sequence_len: true
-
-lora_r: 16
-lora_alpha: 32
-lora_dropout: 0.05
-lora_target_modules:
-  - gate_proj
-  - down_proj
-  - up_proj
-  - q_proj
-  - v_proj
-  - k_proj
-  - o_proj
-
-wandb_project:
-wandb_entity:
-wandb_watch:
-wandb_name:
-wandb_log_model:
-
-gradient_accumulation_steps: 2
-micro_batch_size: 2
-num_epochs: 1
-optimizer: adamw_8bit
-lr_scheduler: cosine
-learning_rate: 0.0002
-
-bf16: auto
-tf32: false
-
-gradient_checkpointing: true
-resume_from_checkpoint:
-logging_steps: 1
-flash_attention: true
-
-loss_watchdog_threshold: 5.0
-loss_watchdog_patience: 3
-
-warmup_steps: 10
-evals_per_epoch: 1
-saves_per_epoch: 1
-weight_decay: 0.0
-special_tokens:

examples/llama-4/README.md

@@ -26,11 +26,3 @@ Multi-GPU (4xH100) for Llama 4 Scout uses 62.8GB VRAM/GPU @ 4k contenxt length @
 ### Llama 4 Maverick 17Bx128Experts (400B)
 
 Coming Soon
-
-## Delinearized Llama 4 Models
-
-We provide a script to delinearize Llama 4 linearized models into regular HuggingFace Llama 4 models.
-
-```bash
-axolotl delinearize-llama4 --model path/to/model_dir --output path/to/output_dir
-```

requirements-tests.txt

@@ -1,5 +1,4 @@
 codecov
-codecov-cli
 pytest
 pytest-cov
 pytest-retry

requirements.txt

@@ -6,7 +6,7 @@ triton>=3.0.0
 mamba-ssm==1.2.0.post1
 xformers>=0.0.23.post1
 autoawq==0.2.7.post3
-liger-kernel==0.5.8
+liger-kernel==0.5.6
 # END section
 
 packaging==23.2
@@ -19,7 +19,6 @@ datasets==3.5.0
 deepspeed>=0.15.4
 trl==0.16.1
 hf_xet==1.0.0
-hqq==0.2.5
 
 optimum==1.16.2
 hf_transfer

setup.py

@@ -51,7 +51,7 @@ def parse_requirements(extras_require_map):
             try:
                 torch_version = version("torch")
             except PackageNotFoundError:
-                torch_version = "2.6.0"  # default to torch 2.6
+                torch_version = "2.5.1"
             _install_requires.append(f"torch=={torch_version}")
 
             version_match = re.match(r"^(\d+)\.(\d+)(?:\.(\d+))?", torch_version)
@@ -64,15 +64,9 @@ def parse_requirements(extras_require_map):
             else:
                 raise ValueError("Invalid version format")
 
-            if (major, minor) >= (2, 7):
+            if (major, minor) >= (2, 6):
                 _install_requires.pop(_install_requires.index(xformers_version))
-                # _install_requires.append("xformers==0.0.29.post3")  # xformers seems to be hard pinned to 2.6.0
-                extras_require_map["vllm"] = ["vllm==0.8.3"]
-            elif (major, minor) >= (2, 6):
-                _install_requires.pop(_install_requires.index(xformers_version))
-                _install_requires.append(
-                    "xformers==0.0.29.post2"
-                )  # vllm needs post2 w torch 2.6
+                _install_requires.append("xformers==0.0.29.post2")
                 extras_require_map["vllm"] = ["vllm==0.8.3"]
             elif (major, minor) >= (2, 5):
                 _install_requires.pop(_install_requires.index(xformers_version))

src/axolotl/cli/args.py

@@ -39,16 +39,16 @@ class TrainerCliArgs:
 class VllmServeCliArgs:
     """Dataclass with CLI arguments for `axolotl vllm-serve` command."""
 
-    tensor_parallel_size: Optional[int] = field(
-        default=None,
+    tensor_parallel_size: int = field(
+        default=1,
         metadata={"help": "Number of tensor parallel workers to use."},
     )
-    host: Optional[str] = field(
-        default=None,  # nosec B104
+    host: str = field(
+        default="0.0.0.0",  # nosec B104
         metadata={"help": "Host address to run the server on."},
     )
-    port: Optional[int] = field(
-        default=None,
+    port: int = field(
+        default=8000,
         metadata={"help": "Port to run the server on."},
     )
     gpu_memory_utilization: Optional[float] = field(

src/axolotl/common/datasets.py

@@ -129,17 +129,19 @@ def load_preference_datasets(
         total_num_steps = None
 
     if cli_args.debug or cfg.debug:
-        LOG.info("check_dataset_labels...")
+        if not cfg.rl == "grpo":
+            LOG.info("check_dataset_labels...")
 
-        tokenizer = load_tokenizer(cfg)
-        train_samples = sample_dataset(train_dataset, cli_args.debug_num_examples)
-        check_dataset_labels(
-            train_samples,
-            tokenizer,
-            num_examples=cli_args.debug_num_examples,
-            text_only=cli_args.debug_text_only,
-            rl_mode=True,
-        )
+            tokenizer = load_tokenizer(cfg)
+            train_samples = sample_dataset(train_dataset, cli_args.debug_num_examples)
+
+            check_dataset_labels(
+                train_samples,
+                tokenizer,
+                num_examples=cli_args.debug_num_examples,
+                text_only=cli_args.debug_text_only,
+                rl_mode=True,
+            )
 
     return TrainDatasetMeta(
         train_dataset=train_dataset,

src/axolotl/core/trainer_builder.py

@@ -1040,11 +1040,9 @@ class HFRLTrainerBuilder(TrainerBuilderBase):
         if self.cfg.dataset_processes:
             training_args_kwargs["dataset_num_proc"] = self.cfg.dataset_processes
 
-        if self.cfg.trl and self.cfg.trl.beta is not None:
-            training_args_kwargs["beta"] = self.cfg.trl.beta
-        elif self.cfg.rl_beta is not None:
-            training_args_kwargs["beta"] = self.cfg.rl_beta
-        elif self.cfg.orpo_alpha is not None:
+        if (self.cfg.trl and self.cfg.trl.beta) or self.cfg.rl_beta:
+            training_args_kwargs["beta"] = self.cfg.trl.beta or self.cfg.rl_beta
+        if self.cfg.orpo_alpha:
             # trl does some odd mapping of alpha to beta to reuse the beta parameter ???
             training_args_kwargs["beta"] = self.cfg.orpo_alpha
 

src/axolotl/core/trainers/grpo/__init__.py

@@ -40,8 +40,8 @@ class GRPOStrategy:
 
         if trl.use_vllm:
             grpo_args_kwargs["use_vllm"] = trl.use_vllm
-            grpo_args_kwargs["vllm_server_host"] = trl.vllm_server_host or trl.vllm.host
-            grpo_args_kwargs["vllm_server_port"] = trl.vllm_server_port or trl.vllm.port
+            grpo_args_kwargs["vllm_server_host"] = trl.vllm_server_host
+            grpo_args_kwargs["vllm_server_port"] = trl.vllm_server_port
             if trl.vllm_server_timeout:
                 grpo_args_kwargs["vllm_server_timeout"] = trl.vllm_server_timeout
             if trl.vllm_guided_decoding_regex:

src/axolotl/integrations/cut_cross_entropy/README.md

@@ -47,8 +47,6 @@ cut_cross_entropy: true
 - qwen2
 - cohere
 - cohere2
-- glm
-- glm4
 
 ## Citation
 

src/axolotl/integrations/cut_cross_entropy/monkeypatch/glm4.py

@@ -1,57 +0,0 @@
-"""GLM 4 patch. GLM family inherits from Llama."""
-
-from types import MethodType
-
-import transformers
-from cut_cross_entropy.transformers.utils import (
-    PatchOptions,
-    TransformersModelT,
-)
-
-
-def patch_glm(
-    maybe_model: TransformersModelT | str | transformers.PretrainedConfig,
-    patch_options: PatchOptions,
-) -> TransformersModelT | None:
-
-    # Set the _PATCH_OPTS in the llama patch file
-    import cut_cross_entropy.transformers.llama as llama_patch
-
-    llama_patch._PATCH_OPTS = patch_options  # pylint: disable=protected-access
-
-    from cut_cross_entropy.transformers.llama import cce_forward
-    from transformers.models.glm import modeling_glm
-
-    if isinstance(maybe_model, transformers.PreTrainedModel):
-        assert isinstance(
-            maybe_model, modeling_glm.GlmForCausalLM
-        ), f"Expected a GlmForCausalLM model. Got {type(maybe_model)}."
-        maybe_model.forward = MethodType(cce_forward, maybe_model)
-        return maybe_model
-
-    modeling_glm.GlmForCausalLM.forward = cce_forward
-    return None
-
-
-def patch_glm4(
-    maybe_model: TransformersModelT | str | transformers.PretrainedConfig,
-    patch_options: PatchOptions,
-) -> TransformersModelT | None:
-
-    # Set the _PATCH_OPTS in the llama patch file
-    import cut_cross_entropy.transformers.llama as llama_patch
-
-    llama_patch._PATCH_OPTS = patch_options  # pylint: disable=protected-access
-
-    from cut_cross_entropy.transformers.llama import cce_forward
-    from transformers.models.glm4 import modeling_glm4
-
-    if isinstance(maybe_model, transformers.PreTrainedModel):
-        assert isinstance(
-            maybe_model, modeling_glm4.Glm4ForCausalLM
-        ), f"Expected a Glm4ForCausalLM model. Got {type(maybe_model)}."
-        maybe_model.forward = MethodType(cce_forward, maybe_model)
-        return maybe_model
-
-    modeling_glm4.Glm4ForCausalLM.forward = cce_forward
-    return None

src/axolotl/integrations/cut_cross_entropy/monkeypatch/patch.py

@@ -20,10 +20,6 @@ from axolotl.integrations.cut_cross_entropy.monkeypatch.gemma3 import (
     patch_gemma3,
     patch_gemma3_text,
 )
-from axolotl.integrations.cut_cross_entropy.monkeypatch.glm4 import (
-    patch_glm,
-    patch_glm4,
-)
 from axolotl.integrations.cut_cross_entropy.monkeypatch.llama4 import (
     patch_llama4,
     patch_llama4_text,
@@ -49,8 +45,6 @@ CUT_CROSS_ENTROPY_MODEL_MAPPING = {
     "qwen2": patch_qwen2,
     "cohere": patch_cohere,
     "cohere2": patch_cohere2,
-    "glm": patch_glm,
-    "glm4": patch_glm4,
 }
 
 

src/axolotl/integrations/liger/README.md

@@ -25,7 +25,7 @@ liger_fused_linear_cross_entropy: true
 - deepseek_v2
 - gemma
 - gemma2
-- gemma3
+- gemma3 (partial support, no support for FLCE yet)
 - granite
 - jamba
 - llama

src/axolotl/integrations/liger/__init__.py

@@ -21,6 +21,7 @@ It is designed to be performant, correct, and light-weight.
 import inspect
 import logging
 import sys
+from functools import partial
 
 from axolotl.integrations.base import BasePlugin
 
@@ -54,6 +55,7 @@ class LigerPlugin(BasePlugin):
             )
         from liger_kernel.transformers.cross_entropy import LigerCrossEntropyLoss
         from liger_kernel.transformers.functional import liger_cross_entropy
+        from liger_kernel.transformers.geglu import LigerGEGLUMLP
         from liger_kernel.transformers.layer_norm import LigerLayerNorm
         from liger_kernel.transformers.monkey_patch import MODEL_TYPE_TO_APPLY_LIGER_FN
         from liger_kernel.transformers.rms_norm import LigerRMSNorm
@@ -139,6 +141,38 @@ class LigerPlugin(BasePlugin):
                 modeling_mod.CrossEntropyLoss = LigerCrossEntropyLoss
             if cfg.liger_fused_linear_cross_entropy:
                 modeling_mod.DeepseekV2ForCausalLM.forward = deepseekv2_lce_forward
+        elif cfg.model_config_type in ["gemma3", "gemma3_text"]:
+            from transformers.models.gemma3 import modeling_gemma3
+
+            if cfg.liger_rope:
+                modeling_gemma3.apply_rotary_pos_emb = liger_rotary_pos_emb
+            if cfg.liger_rms_norm:
+
+                def _liger_rms_norm_wrapper(dim, **kwargs):
+                    "Convert 'dim' keyword to 'hidden_size' to pass to LigerRMSNorm"
+                    return LigerRMSNorm(hidden_size=dim, **kwargs)
+
+                modeling_gemma3.Gemma3RMSNorm = partial(
+                    _liger_rms_norm_wrapper,
+                    offset=1.0,
+                    casting_mode="gemma",
+                    init_fn="zeros",
+                    in_place=False,
+                )
+            if cfg.liger_glu_activation:
+                modeling_gemma3.Gemma3MLP = LigerGEGLUMLP
+            if cfg.liger_layer_norm:
+                modeling_gemma3.nn.LayerNorm = LigerLayerNorm
+
+            if cfg.liger_cross_entropy:
+                from transformers.loss.loss_utils import nn
+
+                nn.functional.cross_entropy = liger_cross_entropy
+
+            if cfg.liger_fused_linear_cross_entropy:
+                raise NotImplementedError(
+                    "Fused linear cross entropy is not yet supported for Gemma3."
+                )
         elif cfg.model_config_type == "llama4":
             from axolotl.integrations.liger.models.llama4 import (
                 apply_liger_kernel_to_llama4,

src/axolotl/monkeypatch/multipack.py

@@ -31,8 +31,6 @@ SUPPORTED_MULTIPACK_MODEL_TYPES = [
     "starcoder2",
     "deepseek_v2",
     "deepseek_v3",
-    "glm",
-    "glm4",
 ]
 
 

src/axolotl/monkeypatch/relora.py

@@ -272,7 +272,7 @@ class ReLoRAScheduler(LRScheduler):
         self.warmup_steps = warmup_steps
         self.anneal_steps = anneal_steps
         self.min_lr_scale = min_lr_scale
-        super().__init__(optimizer, inner_schedule.last_epoch)
+        super().__init__(optimizer, inner_schedule.last_epoch, inner_schedule.verbose)
 
     def get_lr(self) -> float:
         self.inner_schedule.last_epoch = self.last_epoch

src/axolotl/prompt_strategies/base.py

@@ -4,30 +4,73 @@ module for base dataset transform strategies
 
 import importlib
 import logging
+import sys
 
 LOG = logging.getLogger("axolotl")
 
 
+def import_from_path(module_name: str, file_path: str):
+    """
+    Import a module from a file path.
+
+    Args:
+        module_name: Name of the module.
+        file_path: Path to the file.
+
+    Returns:
+        module: The imported module.
+    """
+    spec = importlib.util.spec_from_file_location(module_name, file_path)
+    if spec is None:
+        raise ImportError(f"Could not create module spec for: {file_path}")
+    module = importlib.util.module_from_spec(spec)
+
+    sys.modules[module_name] = module
+    loader = importlib.machinery.SourceFileLoader(module_name, file_path)
+    spec.loader = loader
+    loader.exec_module(module)
+    return module
+
+
 def load(strategy, cfg, module_base=None, **kwargs):
-    try:
-        if len(strategy.split(".")) == 1:
-            strategy = strategy + ".default"
-        load_fn = strategy.split(".")[-1]
-        if len(strategy.split(".")) > 1:
-            try:
-                importlib.import_module(
-                    strategy.split(".")[-2],
-                    ".".join(strategy.split(".")[:-2]),
-                )
-                module_base = ".".join(strategy.split(".")[:-2])
-                strategy = strategy.split(".")[-2]
-            except ModuleNotFoundError:
-                strategy = "." + ".".join(strategy.split(".")[:-1])
-        else:
-            strategy = "." + ".".join(strategy.split(".")[:-1])
+    if len(strategy.split(".")) == 1:
+        strategy = strategy + ".default"
+    load_fn = strategy.split(".")[-1]
+    func = None
+    if len(strategy.split(".")) > 1:
+        try:
+            mod = importlib.import_module(
+                strategy.split(".")[-2],
+                ".".join(strategy.split(".")[:-2]),
+            )
+            func = getattr(mod, load_fn)
+            return func(cfg, **kwargs)
+        except ModuleNotFoundError:
+            pass
+
+        try:
+            mod = importlib.import_module(
+                "." + ".".join(strategy.split(".")[:-1]), module_base
+            )
+            func = getattr(mod, load_fn)
+            return func(cfg, **kwargs)
+        except ModuleNotFoundError:
+            pass
+
+        try:
+            file_path = "/".join(strategy.split(".")[:-1]) + ".py"
+            module_name = strategy.split(".")[-2]
+            mod = import_from_path(module_name, file_path)
+            func = getattr(mod, load_fn)
+            if func is not None:
+                return func(cfg, **kwargs)
+        except FileNotFoundError:
+            pass
+    else:
+        strategy = "." + ".".join(strategy.split(".")[:-1])
         mod = importlib.import_module(strategy, module_base)
         func = getattr(mod, load_fn)
         return func(cfg, **kwargs)
-    except Exception:  # pylint: disable=broad-exception-caught
-        LOG.warning(f"unable to load strategy {strategy}")
-        return None
+
+    LOG.warning(f"unable to load strategy {strategy}")
+    return func

src/axolotl/utils/data/sft.py

@@ -3,7 +3,6 @@
 import functools
 import logging
 import os
-import tempfile
 from pathlib import Path
 from typing import List, Optional, Tuple, Union
 
@@ -118,27 +117,9 @@ def prepare_dataset(cfg, tokenizer, processor=None, preprocess_iterable=None):
             cfg.pretraining_dataset[0]["type"] or "pretrain",
         )
 
-        # when letting accelerator dispatch batches from the main process, we don't need to load the dataset from
-        # other ranks, we just need to present a fake dataset
-        if (
-            cfg.accelerator_config
-            and cfg.accelerator_config.dispatch_batches
-            and not is_local_main_process()
-        ):
-            with tempfile.NamedTemporaryFile(mode="w+", delete=False) as f:
-                f.write("text\n")
-                f.write("lorem ipsum dolor sit amet\n")
-                # rewind the file pointer to the beginning so we can read it again
-                f.seek(0)
-                iter_ds = load_dataset(
-                    "csv", data_files=f.name, split="train", streaming=True
-                )
-        else:
-            if is_local_main_process():
-                iter_ds = load_dataset(
-                    path, streaming=True, split=split, name=name, data_files=data_files
-                )
-
+        iter_ds = load_dataset(
+            path, streaming=True, split=split, name=name, data_files=data_files
+        )
         if skip:
             LOG.info(f"Skipping {skip} samples from the dataset")
             iter_ds = iter_ds.skip(skip)

src/axolotl/utils/schedulers.py

@@ -40,7 +40,7 @@ class RexLR(LRScheduler):
         self.max_lr = max_lr
         self.total_steps = total_steps
         self.num_warmup_steps = num_warmup_steps
-        self.last_step = max(last_step - 1, 0)
+        self.last_step = last_step - 1
 
         # Ensure each parameter group has an "initial_lr" key to avoid issues when resuming.
         for group in optimizer.param_groups:

src/axolotl/utils/schemas/config.py

@@ -660,7 +660,6 @@ class AxolotlInputConfig(
             data.get("val_set_size") == 0
             and (data.get("eval_steps") or data.get("eval_strategy"))
             and not data.get("test_datasets")
-            and data.get("eval_strategy") != "no"
         ):
             raise ValueError(
                 "eval_steps and eval_strategy are not supported with val_set_size == 0"

src/axolotl/utils/schemas/vllm.py

@@ -36,11 +36,3 @@ class VllmConfig(BaseModel):
         default=None,
         json_schema_extra={"description": "Enable prefix caching for VLLM"},
     )
-    host: str | None = Field(
-        default="0.0.0.0",  # nosec B104
-        json_schema_extra={"description": "Host for the vLLM server to start on"},
-    )
-    port: int | None = Field(
-        default=8000,
-        json_schema_extra={"description": "Port of the vLLM server to start on"},
-    )

tests/conftest.py

@@ -193,14 +193,6 @@ def download_tiny_shakespeare_dataset():
     snapshot_download_w_retry("winglian/tiny-shakespeare", repo_type="dataset")
 
 
-@pytest.fixture(scope="session", autouse=True)
-def download_evolkit_kd_sample_dataset():
-    # download the dataset
-    snapshot_download_w_retry(
-        "axolotl-ai-co/evolkit-logprobs-pipeline-75k-v2-sample", repo_type="dataset"
-    )
-
-
 @pytest.fixture(scope="session", autouse=True)
 def download_deepseek_model_fixture():
     snapshot_download_w_retry("axolotl-ai-co/DeepSeek-V3-11M", repo_type="model")
@@ -216,16 +208,6 @@ def download_huggyllama_model_fixture():
     )
 
 
-@pytest.fixture(scope="session", autouse=True)
-def download_llama33_70b_model_fixture():
-    # download the tokenizer only
-    snapshot_download_w_retry(
-        "axolotl-ai-co/Llama-3.3-70B-Instruct-tokenizer",
-        repo_type="model",
-        allow_patterns=["*token*", "config.json"],
-    )
-
-
 @pytest.fixture(scope="session", autouse=True)
 def download_llama_1b_model_fixture():
     # download the tokenizer only
@@ -333,14 +315,6 @@ def download_llama2_model_fixture():
     )
 
 
-@pytest.fixture(scope="session", autouse=True)
-def download_llama32_1b_model_fixture():
-    snapshot_download_w_retry(
-        "osllmai-community/Llama-3.2-1B",
-        repo_type="model",
-    )
-
-
 @pytest.fixture
 @enable_hf_offline
 def tokenizer_huggyllama(

tests/e2e/integrations/test_cut_cross_entropy.py

@@ -8,7 +8,7 @@ from axolotl.cli.args import TrainerCliArgs
 from axolotl.common.datasets import load_datasets
 from axolotl.train import train
 from axolotl.utils import get_pytorch_version
-from axolotl.utils.config import normalize_config, prepare_plugins, validate_config
+from axolotl.utils.config import normalize_config, prepare_plugins
 from axolotl.utils.dict import DictDefault
 
 from ..utils import check_model_output_exists
@@ -56,7 +56,6 @@ class TestCutCrossEntropyIntegration:
     # pylint: disable=redefined-outer-name
     def test_llama_w_cce(self, min_cfg, temp_dir):
         cfg = DictDefault(min_cfg)
-        cfg = validate_config(cfg)
         prepare_plugins(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
@@ -102,7 +101,6 @@ class TestCutCrossEntropyIntegration:
                 "bf16": "auto",
             }
         )
-        cfg = validate_config(cfg)
         prepare_plugins(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
@@ -131,7 +129,6 @@ class TestCutCrossEntropyIntegration:
                 attention_type: True,
             }
         )
-        cfg = validate_config(cfg)
         prepare_plugins(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()

tests/e2e/integrations/test_liger.py

@@ -5,7 +5,7 @@ Simple end-to-end test for Liger integration
 from axolotl.cli.args import TrainerCliArgs
 from axolotl.common.datasets import load_datasets
 from axolotl.train import train
-from axolotl.utils.config import normalize_config, prepare_plugins, validate_config
+from axolotl.utils.config import normalize_config, prepare_plugins
 from axolotl.utils.dict import DictDefault
 
 from tests.e2e.utils import check_model_output_exists, require_torch_2_4_1
@@ -54,7 +54,6 @@ class LigerIntegrationTestCase:
             }
         )
         # pylint: disable=duplicate-code
-        cfg = validate_config(cfg)
         prepare_plugins(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
@@ -101,7 +100,6 @@ class LigerIntegrationTestCase:
             }
         )
         # pylint: disable=duplicate-code
-        cfg = validate_config(cfg)
         prepare_plugins(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()

tests/e2e/multigpu/solo/__init__.py

@@ -1,2 +0,0 @@
-# Tests under this directory should get run "solo" on their own as they
-# seem to cause issues when run in the same batch as other tests.

tests/e2e/multigpu/solo/test_flex.py

@@ -49,9 +49,8 @@ class TestPackedFlex:
                 },
                 "datasets": [
                     {
-                        "path": "tatsu-lab/alpaca",
+                        "path": "vicgalle/alpaca-gpt4",
                         "type": "alpaca",
-                        "split": "train[:10%]",
                     },
                 ],
                 "num_epochs": 1,

tests/e2e/multigpu/test_sp.py

@@ -10,7 +10,7 @@ from transformers.testing_utils import get_torch_dist_unique_port
 
 from axolotl.utils.dict import DictDefault
 
-from ...utils import check_tensorboard
+from ..utils import check_tensorboard
 
 os.environ["WANDB_DISABLED"] = "true"
 

tests/e2e/patched/test_4d_multipack_llama.py

@@ -9,7 +9,7 @@ import unittest
 from axolotl.cli.args import TrainerCliArgs
 from axolotl.common.datasets import load_datasets
 from axolotl.train import train
-from axolotl.utils.config import normalize_config, validate_config
+from axolotl.utils.config import normalize_config
 from axolotl.utils.dict import DictDefault
 
 from ..utils import check_model_output_exists, with_temp_dir
@@ -60,7 +60,6 @@ class Test4dMultipackLlama(unittest.TestCase):
                 "fp16": True,
             }
         )
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
@@ -105,7 +104,6 @@ class Test4dMultipackLlama(unittest.TestCase):
                 "fp16": True,
             }
         )
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)

tests/e2e/patched/test_falcon_samplepack.py

@@ -9,7 +9,7 @@ import unittest
 from axolotl.cli.args import TrainerCliArgs
 from axolotl.common.datasets import load_datasets
 from axolotl.train import train
-from axolotl.utils.config import normalize_config, validate_config
+from axolotl.utils.config import normalize_config
 from axolotl.utils.dict import DictDefault
 
 from ..utils import check_model_output_exists, with_temp_dir
@@ -63,7 +63,6 @@ class TestFalconPatched(unittest.TestCase):
                 "bf16": "auto",
             }
         )
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
@@ -104,7 +103,6 @@ class TestFalconPatched(unittest.TestCase):
                 "bf16": "auto",
             }
         )
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)

tests/e2e/patched/test_fused_llama.py

@@ -12,7 +12,7 @@ from transformers.utils import is_torch_bf16_gpu_available
 from axolotl.cli.args import TrainerCliArgs
 from axolotl.common.datasets import load_datasets
 from axolotl.train import train
-from axolotl.utils.config import normalize_config, validate_config
+from axolotl.utils.config import normalize_config
 from axolotl.utils.dict import DictDefault
 
 from ..utils import check_model_output_exists, with_temp_dir
@@ -67,7 +67,6 @@ class TestFusedLlama(unittest.TestCase):
             cfg.bf16 = True
         else:
             cfg.fp16 = True
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)

tests/e2e/patched/test_llama_s2_attention.py

@@ -11,7 +11,7 @@ import pytest
 from axolotl.cli.args import TrainerCliArgs
 from axolotl.common.datasets import load_datasets
 from axolotl.train import train
-from axolotl.utils.config import normalize_config, validate_config
+from axolotl.utils.config import normalize_config
 from axolotl.utils.dict import DictDefault
 
 from ..utils import check_model_output_exists, with_temp_dir
@@ -65,7 +65,6 @@ class TestLlamaShiftedSparseAttention(unittest.TestCase):
             }
         )
 
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
@@ -106,7 +105,6 @@ class TestLlamaShiftedSparseAttention(unittest.TestCase):
             }
         )
 
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)

tests/e2e/patched/test_lora_llama_multipack.py

@@ -12,7 +12,7 @@ from transformers.utils import is_auto_gptq_available, is_torch_bf16_gpu_availab
 from axolotl.cli.args import TrainerCliArgs
 from axolotl.common.datasets import load_datasets
 from axolotl.train import train
-from axolotl.utils.config import normalize_config, validate_config
+from axolotl.utils.config import normalize_config
 from axolotl.utils.dict import DictDefault
 
 from ..utils import check_model_output_exists, with_temp_dir
@@ -70,7 +70,6 @@ class TestLoraLlama(unittest.TestCase):
         else:
             cfg.fp16 = True
 
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
@@ -121,7 +120,6 @@ class TestLoraLlama(unittest.TestCase):
                 "lr_scheduler": "cosine",
             }
         )
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)

tests/e2e/patched/test_mistral_samplepack.py

@@ -9,7 +9,7 @@ import unittest
 from axolotl.cli.args import TrainerCliArgs
 from axolotl.common.datasets import load_datasets
 from axolotl.train import train
-from axolotl.utils.config import normalize_config, validate_config
+from axolotl.utils.config import normalize_config
 from axolotl.utils.dict import DictDefault
 
 from ..utils import check_model_output_exists, with_temp_dir
@@ -63,7 +63,6 @@ class TestMistral(unittest.TestCase):
                 "bf16": "auto",
             }
         )
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
@@ -105,7 +104,6 @@ class TestMistral(unittest.TestCase):
                 "bf16": "auto",
             }
         )
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)

tests/e2e/patched/test_mixtral_samplepack.py

@@ -9,7 +9,7 @@ import unittest
 from axolotl.cli.args import TrainerCliArgs
 from axolotl.common.datasets import load_datasets
 from axolotl.train import train
-from axolotl.utils.config import normalize_config, validate_config
+from axolotl.utils.config import normalize_config
 from axolotl.utils.dict import DictDefault
 
 from ..utils import check_model_output_exists, with_temp_dir
@@ -60,7 +60,6 @@ class TestMixtral(unittest.TestCase):
                 "bf16": "auto",
             }
         )
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)

tests/e2e/patched/test_model_patches.py

@@ -6,7 +6,7 @@ import unittest
 
 import transformers
 
-from axolotl.utils.config import normalize_config, validate_config
+from axolotl.utils.config import normalize_config
 from axolotl.utils.dict import DictDefault
 from axolotl.utils.models import load_model, load_tokenizer
 
@@ -47,7 +47,6 @@ class TestModelPatches(unittest.TestCase):
                 "eval_steps": 10,
             }
         )
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         tokenizer = load_tokenizer(cfg)
         load_model(cfg, tokenizer, inference=False)
@@ -80,7 +79,6 @@ class TestModelPatches(unittest.TestCase):
                 "eval_steps": 10,
             }
         )
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         tokenizer = load_tokenizer(cfg)
         load_model(cfg, tokenizer, inference=False)

tests/e2e/patched/test_phi_multipack.py

@@ -9,7 +9,7 @@ import unittest
 from axolotl.cli.args import TrainerCliArgs
 from axolotl.common.datasets import load_datasets
 from axolotl.train import train
-from axolotl.utils.config import normalize_config, validate_config
+from axolotl.utils.config import normalize_config
 from axolotl.utils.dict import DictDefault
 
 from ..utils import check_model_output_exists, with_temp_dir
@@ -63,7 +63,6 @@ class TestPhiMultipack(unittest.TestCase):
             }
         )
 
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
@@ -83,7 +82,7 @@ class TestPhiMultipack(unittest.TestCase):
                 "sample_packing": True,
                 "flash_attention": True,
                 "pad_to_sequence_len": True,
-                "load_in_4bit": True,
+                "load_in_8bit": False,
                 "adapter": "qlora",
                 "lora_r": 64,
                 "lora_alpha": 32,
@@ -115,7 +114,6 @@ class TestPhiMultipack(unittest.TestCase):
             }
         )
 
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)

tests/e2e/patched/test_resume.py

@@ -12,7 +12,7 @@ from transformers.utils import is_torch_bf16_gpu_available
 from axolotl.cli.args import TrainerCliArgs
 from axolotl.common.datasets import load_datasets
 from axolotl.train import train
-from axolotl.utils.config import normalize_config, validate_config
+from axolotl.utils.config import normalize_config
 from axolotl.utils.dict import DictDefault
 
 from ..utils import check_model_output_exists, most_recent_subdir
@@ -46,9 +46,8 @@ class TestResumeLlama:
                 },
                 "datasets": [
                     {
-                        "path": "tatsu-lab/alpaca",
+                        "path": "vicgalle/alpaca-gpt4",
                         "type": "alpaca",
-                        "split": "train[:10%]",
                     },
                 ],
                 "num_epochs": 2,
@@ -68,7 +67,6 @@ class TestResumeLlama:
             cfg.bf16 = True
         else:
             cfg.fp16 = True
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)

tests/e2e/patched/test_unsloth_qlora.py

@@ -10,7 +10,7 @@ import pytest
 from axolotl.cli.args import TrainerCliArgs
 from axolotl.common.datasets import load_datasets
 from axolotl.train import train
-from axolotl.utils.config import normalize_config, validate_config
+from axolotl.utils.config import normalize_config
 from axolotl.utils.dict import DictDefault
 
 from ..utils import check_model_output_exists, check_tensorboard
@@ -72,7 +72,6 @@ class TestUnslothQLoRA:
             }
         )
 
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
@@ -123,7 +122,6 @@ class TestUnslothQLoRA:
             }
         )
 
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
@@ -179,7 +177,6 @@ class TestUnslothQLoRA:
             }
         )
 
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)

tests/e2e/solo/test_flex.py

@@ -41,9 +41,8 @@ class TestPackedFlex(unittest.TestCase):
                 },
                 "datasets": [
                     {
-                        "path": "tatsu-lab/alpaca",
+                        "path": "vicgalle/alpaca-gpt4",
                         "type": "alpaca",
-                        "split": "train[:10%]",
                     },
                 ],
                 "num_epochs": 1,

tests/e2e/solo/test_preprocess.py

@@ -0,0 +1,85 @@
+"""
+E2E tests for preprocessing
+"""
+
+import logging
+import os
+import unittest
+
+import transformers
+
+from axolotl.cli.args import PreprocessCliArgs
+from axolotl.common.datasets import load_preference_datasets
+from axolotl.utils.config import normalize_config, validate_config
+from axolotl.utils.dict import DictDefault
+
+from ..utils import with_temp_dir
+
+LOG = logging.getLogger("axolotl.tests.e2e")
+os.environ["WANDB_DISABLED"] = "true"
+
+
+class TestCustomRewardFunctionLoading(unittest.TestCase):
+    """
+    Test case for GRPO training using single GPU
+    """
+
+    def _utils_write_rewards(self):
+        # write cfg to yaml file
+        with open("rewards.py", "w", encoding="utf-8") as fout:
+            fout.write(
+                """import random
+def rand_reward_func(completions, **kwargs) -> list[float]:
+    return [random.uniform(0, 1) for _ in completions]
+
+def oai_gsm8k_transform(cfg, *args, **kwargs):
+    def transform_fn(example, tokenizer=None):
+        label = example["answer"].split("####")[-1].strip().replace(",", "")
+        return {
+            "prompt": [{"role": "user", "content": example["question"]},],
+            "answer": label,
+        }
+    return transform_fn, {"remove_columns": ["question"]}
+"""
+            )
+
+    @with_temp_dir
+    def test_custom_rewards_fn_preprocess(self, temp_dir):
+        # pylint: disable=duplicate-code
+        cfg = DictDefault(
+            {
+                "base_model": "HuggingFaceTB/SmolLM2-135M",
+                "strict": False,
+                "rl": "grpo",
+                "trl": {
+                    "beta": 0.001,
+                    "max_completion_length": 256,
+                    "use_vllm": True,
+                    "num_generations": 4,
+                    "reward_funcs": [
+                        "rewards.rand_reward_func"
+                    ],  # format: '{file_name}.{fn_name}'
+                    "reward_weights": [1.0],
+                },
+                "datasets": [
+                    {
+                        "path": "openai/gsm8k",
+                        "name": "main",
+                        "type": "rewards.oai_gsm8k_transform",
+                    },
+                ],
+                "dataset_prepared_path": temp_dir,
+                "gradient_accumulation_steps": 1,
+                "micro_batch_size": 1,
+                "learning_rate": 0.000005,
+            }
+        )
+
+        self._utils_write_rewards()
+
+        cfg = validate_config(cfg)
+        normalize_config(cfg)
+        parser = transformers.HfArgumentParser(PreprocessCliArgs)
+        cli_args, _ = parser.parse_args_into_dataclasses(return_remaining_strings=True)
+
+        load_preference_datasets(cfg=cfg, cli_args=cli_args)

tests/e2e/test_embeddings_lr.py

@@ -102,7 +102,6 @@ class TestEmbeddingsLrScale(unittest.TestCase):
                 "use_tensorboard": True,
             }
         )
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)

tests/e2e/test_llama_vision.py

@@ -109,7 +109,6 @@ class TestLlamaVision(unittest.TestCase):
                 "bf16": True,
             }
         )
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)

tests/e2e/test_packing_loss.py

@@ -40,9 +40,8 @@ class TestPackedLlama(unittest.TestCase):
                 },
                 "datasets": [
                     {
-                        "path": "tatsu-lab/alpaca",
+                        "path": "vicgalle/alpaca-gpt4",
                         "type": "alpaca",
-                        "split": "train[:10%]",
                     },
                 ],
                 "num_epochs": 1,

tests/e2e/test_phi.py

@@ -79,7 +79,7 @@ class TestPhi(unittest.TestCase):
                 "tokenizer_type": "AutoTokenizer",
                 "sequence_len": 2048,
                 "sample_packing": False,
-                "load_in_4bit": True,
+                "load_in_8bit": False,
                 "adapter": "qlora",
                 "lora_r": 64,
                 "lora_alpha": 32,
@@ -111,7 +111,6 @@ class TestPhi(unittest.TestCase):
                 "bf16": "auto",
             }
         )
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)

tests/e2e/test_process_reward_model_smollm2.py

@@ -9,7 +9,7 @@ import unittest
 from axolotl.cli.args import TrainerCliArgs
 from axolotl.common.datasets import load_datasets
 from axolotl.train import train
-from axolotl.utils.config import normalize_config, validate_config
+from axolotl.utils.config import normalize_config
 from axolotl.utils.dict import DictDefault
 
 from .utils import check_model_output_exists, check_tensorboard, with_temp_dir
@@ -57,7 +57,6 @@ class TestProcessRewardSmolLM2(unittest.TestCase):
                 "seed": 42,
             }
         )
-        cfg = validate_config(cfg)
         normalize_config(cfg)
         cli_args = TrainerCliArgs()
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)

tests/test_exact_deduplication.py

@@ -11,7 +11,7 @@ from unittest.mock import patch
 import pytest
 from datasets import Dataset
 
-from axolotl.utils.config import normalize_config, validate_config
+from axolotl.utils.config import normalize_config
 from axolotl.utils.data import prepare_dataset
 from axolotl.utils.data.rl import load_prepare_preference_datasets
 from axolotl.utils.data.utils import deduplicate_and_log_datasets
@@ -319,7 +319,6 @@ class TestDeduplicateNonRL(unittest.TestCase):
                 "num_epochs": 1,
             }
         )
-        self.cfg_1 = validate_config(self.cfg_1)
         normalize_config(self.cfg_1)
 
     @pytest.mark.skip(reason="TODO: fix hf hub offline to work with HF rate limits")