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Fix script export_hf_model.py #6246

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Fix script export_hf_model.py #6246

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8 changes: 4 additions & 4 deletions extension/export_util/export_hf_model.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@
from executorch.backends.xnnpack.partition.xnnpack_partitioner import XnnpackPartitioner
from executorch.exir import EdgeCompileConfig, ExecutorchBackendConfig, to_edge
from torch.nn.attention import SDPBackend
from transformers import AutoModelForCausalLM, AutoTokenizer
from transformers import AutoModelForCausalLM
from transformers.generation.configuration_utils import GenerationConfig
from transformers.integrations.executorch import convert_and_export_with_cache
from transformers.modeling_utils import PreTrainedModel
Expand Down Expand Up @@ -73,12 +73,11 @@ def main() -> None:
print(f"{model.config}")
print(f"{model.generation_config}")

tokenizer = AutoTokenizer.from_pretrained(args.hf_model_repo)
input_ids = tokenizer([""], return_tensors="pt").to(device)["input_ids"]
input_ids = torch.tensor([[1]], dtype=torch.long)
cache_position = torch.tensor([0], dtype=torch.long)

def _get_constant_methods(model: PreTrainedModel):
return {
metadata = {
"get_dtype": 5 if model.config.torch_dtype == torch.float16 else 6,
"get_bos_id": model.config.bos_token_id,
"get_eos_id": model.config.eos_token_id,
Comment on lines 82 to 83
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@guangy10 guangy10 Oct 15, 2024

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@larryliu0820 Is it safe to leave it unset and let the runtime to use the default value? Or it's preferred to set it to some special value e.g. -1, if any of the field is unset by a model?

Expand All @@ -90,6 +89,7 @@ def _get_constant_methods(model: PreTrainedModel):
"get_vocab_size": model.config.vocab_size,
"use_kv_cache": model.generation_config.use_cache,
}
return {k: v for k, v in metadata.items() if v is not None}

with torch.nn.attention.sdpa_kernel([SDPBackend.MATH]), torch.no_grad():

Expand Down
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