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Load ESM2 in bf16 if supported #235

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Load ESM2 in bf16 if supported #235

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b6530a6
Load ESM2 in bf16 if supported
brianloyal Dec 9, 2024
508a037
typo
brianloyal Dec 10, 2024
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9 changes: 8 additions & 1 deletion chai_lab/data/dataset/embeddings/esm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,11 +31,18 @@
def esm_model(model_name: str, device):
"""Context transiently keeps ESM model on specified device."""
from transformers import EsmModel
from transformers.utils.import_utils import is_torch_bf16_gpu_available

if len(_esm_model) == 0:
# lazy loading of the model
_esm_model.append(
EsmModel.from_pretrained(model_name, cache_dir=esm_cache_folder)
EsmModel.from_pretrained(
model_name,
cache_dir=esm_cache_folder,
torch_dtype=(
torch.bfloat16 if is_torch_bf16_gpu_available() else torch.float16
),
)
)

[model] = _esm_model
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