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CPU/XPU: disable torch.compile if g++ is not available #1251

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merged 2 commits into from
Jul 10, 2024
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CPU/XPU: disable torch.compile if g++ is not available #1251

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27d7bbd
CPU/XPU: disable torch.compile if g++ is not available
Xia-Weiwen Jun 17, 2024
8cfd5bb
Fix lint issue
Xia-Weiwen Jun 17, 2024
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13 changes: 11 additions & 2 deletions bitsandbytes/backends/cpu_xpu_common.py
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
import subprocess
from typing import Optional
import warnings

Expand All @@ -19,6 +20,14 @@
ipex_xpu = None


gxx_available = False
try:
subprocess.run(["g++", "--version"])
gxx_available = True
except BaseException:
warnings.warn("g++ not found, torch.compile disabled for CPU/XPU.")


Tensor = torch.Tensor


Expand All @@ -45,8 +54,8 @@ def _ipex_xpu_version_prereq(major, minor):


def _maybe_torch_compile(func):
# torch.compile requires pytorch >= 2.0
if _torch_version_prereq(2, 0):
# torch.compile requires g++ and pytorch >= 2.0
if gxx_available and _torch_version_prereq(2, 0):
options = {}
# fx_graph_cache requires pytorch >= 2.2
if _torch_version_prereq(2, 2):
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