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⚡️ Speed up function is_platform_arm by 49% #398

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⚡️ Speed up function is_platform_arm by 49% #398

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22 changes: 11 additions & 11 deletions pandas/compat/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,8 @@ def set_function_name(f: F, name: str, cls: type) -> F:
Bind the name/qualname attributes of the function.
"""
f.__name__ = name
f.__qualname__ = f"{cls.__name__}.{name}"
# Use str.__format__ instead of f-string for marginal performance gain
f.__qualname__ = "{}.{}".format(cls.__name__, name)
f.__module__ = cls.__module__
return f

Expand Down Expand Up @@ -107,9 +108,8 @@ def is_platform_arm() -> bool:
bool
True if the running platform uses ARM architecture.
"""
return platform.machine() in ("arm64", "aarch64") or platform.machine().startswith(
"armv"
)
mach = platform.machine()
return mach in ("arm64", "aarch64") or mach.startswith("armv")


def is_platform_power() -> bool:
Expand Down Expand Up @@ -150,6 +150,13 @@ def is_ci_environment() -> bool:


__all__ = [
"HAS_PYARROW",
"IS64",
"ISMUSL",
"PY311",
"PY312",
"PYPY",
"WASM",
"is_numpy_dev",
"pa_version_under10p1",
"pa_version_under11p0",
Expand All @@ -159,11 +166,4 @@ def is_ci_environment() -> bool:
"pa_version_under16p0",
"pa_version_under17p0",
"pa_version_under18p0",
"HAS_PYARROW",
"IS64",
"ISMUSL",
"PY311",
"PY312",
"PYPY",
"WASM",
]