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Merge pull request #135 from jiudingsun01/main
[Minor] Support MistralModel and MistralForCausalLM
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| """ | ||
| Each modeling file in this library is a mapping between | ||
| abstract naming of intervention anchor points and actual | ||
| model module defined in the huggingface library. | ||
| We also want to let the intervention library know how to | ||
| config the dimensions of intervention based on model config | ||
| defined in the huggingface library. | ||
| """ | ||
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| import torch | ||
| from ..constants import * | ||
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| mistral_type_to_module_mapping = { | ||
| "block_input": ("layers[%s]", CONST_INPUT_HOOK), | ||
| "block_output": ("layers[%s]", CONST_OUTPUT_HOOK), | ||
| "mlp_activation": ("layers[%s].mlp.act_fn", CONST_OUTPUT_HOOK), | ||
| "mlp_output": ("layers[%s].mlp", CONST_OUTPUT_HOOK), | ||
| "mlp_input": ("layers[%s].mlp", CONST_INPUT_HOOK), | ||
| "attention_value_output": ("layers[%s].self_attn.o_proj", CONST_INPUT_HOOK), | ||
| "head_attention_value_output": ("layers[%s].self_attn.o_proj", CONST_INPUT_HOOK), | ||
| "attention_output": ("layers[%s].self_attn", CONST_OUTPUT_HOOK), | ||
| "attention_input": ("layers[%s].self_attn", CONST_INPUT_HOOK), | ||
| "query_output": ("layers[%s].self_attn.q_proj", CONST_OUTPUT_HOOK), | ||
| "key_output": ("layers[%s].self_attn.k_proj", CONST_OUTPUT_HOOK), | ||
| "value_output": ("layers[%s].self_attn.v_proj", CONST_OUTPUT_HOOK), | ||
| "head_query_output": ("layers[%s].self_attn.q_proj", CONST_OUTPUT_HOOK), | ||
| "head_key_output": ("layers[%s].self_attn.k_proj", CONST_OUTPUT_HOOK), | ||
| "head_value_output": ("layers[%s].self_attn.v_proj", CONST_OUTPUT_HOOK), | ||
| } | ||
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| mistral_type_to_dimension_mapping = { | ||
| "block_input": ("hidden_size",), | ||
| "block_output": ("hidden_size",), | ||
| "mlp_activation": ("intermediate_size",), | ||
| "mlp_output": ("hidden_size",), | ||
| "mlp_input": ("hidden_size",), | ||
| "attention_value_output": ("hidden_size",), | ||
| "head_attention_value_output": ("hidden_size/num_attention_heads",), | ||
| "attention_output": ("hidden_size",), | ||
| "attention_input": ("hidden_size",), | ||
| "query_output": ("hidden_size",), | ||
| "key_output": ("hidden_size",), | ||
| "value_output": ("hidden_size",), | ||
| "head_query_output": ("hidden_size/num_attention_heads",), | ||
| "head_key_output": ("hidden_size/num_attention_heads",), | ||
| "head_value_output": ("hidden_size/num_attention_heads",), | ||
| } | ||
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| """llama model with LM head""" | ||
| mistral_lm_type_to_module_mapping = {} | ||
| for k, v in mistral_type_to_module_mapping.items(): | ||
| mistral_lm_type_to_module_mapping[k] = (f"model.{v[0]}", v[1]) | ||
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| mistral_lm_type_to_dimension_mapping = mistral_type_to_dimension_mapping | ||
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| def create_mistral( | ||
| name="mistralai/Mistral-7B-v0.1", cache_dir=None | ||
| ): | ||
| """Creates a Mistral Causal LM model, config, and tokenizer from the given name and revision""" | ||
| from transformers import AutoModelForCausalLM, AutoTokenizer, AutoConfig | ||
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| config = AutoConfig.from_pretrained(name, cache_dir=cache_dir) | ||
| tokenizer = AutoTokenizer.from_pretrained(name, cache_dir=cache_dir) | ||
| llama = AutoModelForCausalLM.from_pretrained( | ||
| name, | ||
| config=config, | ||
| cache_dir=cache_dir, | ||
| torch_dtype=torch.bfloat16, # save memory | ||
| ) | ||
| print("loaded model") | ||
| return config, tokenizer, llama |