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[feat] Add lru_cache to import_utils calls that did not previously have it #1584

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merged 4 commits into from
Mar 26, 2024
Merged

[feat] Add lru_cache to import_utils calls that did not previously have it #1584

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d13279d
[feat] add cache to remaining import utils
tisles Mar 25, 2024
70fbf55
[fix] format + make quality fixes
tisles Mar 25, 2024
b6f5d44
[fix] replace cache with lru_cache to respect python 3.8
tisles Mar 25, 2024
b28020c
remove maxsize=None
tisles Mar 26, 2024
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6 changes: 6 additions & 0 deletions src/peft/import_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -18,10 +18,12 @@
import packaging.version


@lru_cache
def is_bnb_available() -> bool:
return importlib.util.find_spec("bitsandbytes") is not None


@lru_cache
def is_bnb_4bit_available() -> bool:
if not is_bnb_available():
return False
Expand All @@ -31,6 +33,7 @@ def is_bnb_4bit_available() -> bool:
return hasattr(bnb.nn, "Linear4bit")


@lru_cache
def is_auto_gptq_available():
if importlib.util.find_spec("auto_gptq") is not None:
AUTOGPTQ_MINIMUM_VERSION = packaging.version.parse("0.5.0")
Expand All @@ -44,6 +47,7 @@ def is_auto_gptq_available():
)


@lru_cache
def is_optimum_available() -> bool:
return importlib.util.find_spec("optimum") is not None

Expand All @@ -65,9 +69,11 @@ def is_torch_tpu_available(check_device=True):
return False


@lru_cache
def is_aqlm_available():
return importlib.util.find_spec("aqlm") is not None


@lru_cache
def is_auto_awq_available():
return importlib.util.find_spec("awq") is not None
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