Add support for Arcee AI's upcoming AFM model #14185
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| NULL, NULL, NULL, | ||
| model.layers[il].ffn_down, NULL, NULL, | ||
| NULL, | ||
| LLM_FFN_RELU_SQR, LLM_FFN_SEQ, il); |
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Seems like the only different from AFM and llama is only this activation function.
Not sure if in the future, we can abstract out this activation definition per-model (maybe as a hparam or a variable inside struct llm_build_llama?) to avoid too much duplicated code. WDYT @ggerganov ?
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It also lacks the FFN gate, but maybe could also be abstracted?
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if the gate is not present, its value will be nullptr, and build_ffn will skip the nullptr value, so no further modification is required.
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ah right that makes sense ! yeah definitely seems worth considering some extra abstraction here then
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btw I'm just bring this up for further discussion. Feel free to merge the current PR without that
Co-authored-by: Xuan-Son Nguyen <[email protected]>
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Ready! |
| @@ -128,6 +128,7 @@ class TOKENIZER_TYPE(IntEnum): | |||
| {"name": "llama4", "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/meta-llama/Llama-4-Scout-17B-16E-Instruct", }, | |||
| {"name": "pixtral", "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/mistral-community/pixtral-12b", }, | |||
| {"name": "seed-coder", "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/ByteDance-Seed/Seed-Coder-8B-Base", }, | |||
| {"name": "arcee", "tokt": TOKENIZER_TYPE.BPE, "repo": "https://huggingface.co/arcee-ai/AFM-4.5B", }, # TODO confirm final URL | |||
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Either this shouldn't have been added, or you forgot to add the new hash.
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addressed in #14207
This adds support for upcoming Arcee model architecture, currently codenamed the Arcee Foundation Model (AFM).
Uses ReLU² (ReLU-squared) activation in the MLP blocks
Have tested performance of quantized model, seems to perform as expected, but keeping this a draft until it can be lightly reviewed and we confirm it's accurate
Transformers PR reference: huggingface/transformers#38621