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pt: apply global user set precision to pt #3220

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merged 2 commits into from
Feb 5, 2024
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pt: apply global user set precision to pt #3220

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7afe438
pt: apply global user-set precision to pt
njzjz Feb 2, 2024
098f02b
reuse PRECISION_DICT
njzjz Feb 4, 2024
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28 changes: 24 additions & 4 deletions deepmd/pt/utils/env.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,14 +5,19 @@
import torch

from deepmd.env import (
GLOBAL_ENER_FLOAT_PRECISION,
GLOBAL_NP_FLOAT_PRECISION,
get_default_nthreads,
set_default_nthreads,
)

PRECISION = os.environ.get("PRECISION", "float64")
GLOBAL_NP_FLOAT_PRECISION = getattr(np, PRECISION)
GLOBAL_PT_FLOAT_PRECISION = getattr(torch, PRECISION)
GLOBAL_ENER_FLOAT_PRECISION = getattr(np, PRECISION)
numpy_to_torch_dtype_dict = {

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np.float16: torch.float16,
np.float32: torch.float32,
np.float64: torch.float64,
}

GLOBAL_PT_FLOAT_PRECISION = numpy_to_torch_dtype_dict[GLOBAL_NP_FLOAT_PRECISION]

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SAMPLER_RECORD = os.environ.get("SAMPLER_RECORD", False)
try:
# only linux
Expand Down Expand Up @@ -52,3 +57,18 @@
torch.set_num_interop_threads(inter_nthreads)
if intra_nthreads > 0:
torch.set_num_threads(intra_nthreads)

__all__ = [

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"GLOBAL_ENER_FLOAT_PRECISION",
"GLOBAL_NP_FLOAT_PRECISION",
"GLOBAL_PT_FLOAT_PRECISION",
"DEFAULT_PRECISION",
"PRECISION_DICT",
"SAMPLER_RECORD",
"NUM_WORKERS",
"DEVICE",
"JIT",
"CACHE_PER_SYS",
"ENERGY_BIAS_TRAINABLE",
"LOCAL_RANK",
]
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