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Add ARM compatibility #1266

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Add ARM compatibility #1266

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52 changes: 34 additions & 18 deletions setup.py
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Original file line number Diff line number Diff line change
Expand Up @@ -168,32 +168,48 @@ def get_cpu_instruct(self,):
return "avx2"
else:
print("Using native cpu instruct")

if sys.platform.startswith("linux"):
with open('/proc/cpuinfo', 'r', encoding="utf-8") as cpu_f:
cpuinfo = cpu_f.read()
flags_line = [line for line in cpuinfo.split(
'\n') if line.startswith('flags')][0]
flags = flags_line.split(':')[1].strip().split(' ')
# fancy with AVX512-VL, AVX512-BW, AVX512-DQ, AVX512-VNNI
for flag in flags:
if 'avx512bw' in flag:
return 'fancy'
for flag in flags:
if 'avx512' in flag:
return 'avx512'
for flag in flags:
if 'avx2' in flag:
return 'avx2'
raise ValueError(
"Unsupported cpu Instructions: {}".format(flags_line))
if platform.machine() == "aarch64":
# Adapt this part based on GH200's /proc/cpuinfo
for line in cpuinfo.split('\n'):
if line.startswith('Features'):
features_line = line
features = features_line.split(':')[1].strip().split(' ')
if 'sve' in features: # Example: Scalable Vector Extension
return 'sve' # Or a custom label
elif 'neon' in features:
return 'neon'
else:
print("Using generic Arm CPU instructions")
return 'native_arm' # Or a default Arm label
print("Warning: Could not find 'Features' line in /proc/cpuinfo on aarch64. Using native.")
return 'native' # Fallback for aarch64 if 'Features' not found
else: # Assume x86-like if not aarch64
for line in cpuinfo.split('\n'):
if line.startswith('flags'):
flags_line = line
flags = flags_line.split(':')[1].strip().split(' ')
if 'avx512bw' in flags:
return 'fancy'
elif 'avx512' in flags:
return 'avx512'
elif 'avx2' in flags:
return 'avx2'
raise ValueError(
"Unsupported cpu Instructions: {}".format(flags_line))
print("Warning: Could not find 'flags' line in /proc/cpuinfo on x86-like. Using native.")
return 'native' # Fallback for x86-like if 'flags' not found

elif sys.platform == "win32":
from cpufeature.extension import CPUFeature

if CPUFeature.get("AVX512bw", False):
return 'fancy'
if CPUFeature.get("AVX512f", False):
elif CPUFeature.get("AVX512f", False):
return 'avx512'
if CPUFeature.get("AVX2", False):
elif CPUFeature.get("AVX2", False):
return 'avx2'
raise ValueError(
"Unsupported cpu Instructions: {}".format(str(CPUFeature)))
Expand Down