* bump transformers and set roundup_power2_divisions for more VRAM improvements
* support for low bit optimizers from torch ao
* fix check for alternate optimizers and use nous models on hf for llama3
* add missing check for ao_adamw_fp8
* fix check when using custom optimizers w adamw
* Fix eval_sample_packing in llama-3 lora example
* Update examples/llama-3/lora-8b.yml
Co-authored-by: Wing Lian <wing.lian@gmail.com>
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Co-authored-by: Wing Lian <wing.lian@gmail.com>
The current yml code throws an error: ValueError: Please set lora_modules_to_save to [`embed_tokens`, `lm_head`] when using an adapter and changing the special tokens.
I added the required changes to resolve it
