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Update setup.py to build object files in parallel if requested #105

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Update setup.py to build object files in parallel if requested #105

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d5876ad
Update `setup.py` to build object files in parallel if requested
althonos May 27, 2024
8e18659
Allow setting job count with `MAX_JOBS` environment variable
althonos May 27, 2024
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8 changes: 7 additions & 1 deletion setup.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
import sys
import platform
import numpy
from multiprocessing.pool import ThreadPool


PLATFORM_TO_ARCH = {
Expand Down Expand Up @@ -218,6 +219,7 @@ def get_compiler_name(self):

def compile_objects(self, platform, py_arch, obj_dir):
objects = []
specs = []
platform_arch = platform + "-" + py_arch
compiler = self.get_compiler_name()
with open(os.path.join(BLIS_DIR, "make", "%s.jsonl" % platform_arch)) as file_:
Expand Down Expand Up @@ -257,7 +259,11 @@ def compile_objects(self, platform, py_arch, obj_dir):
for f in spec["flags"]
if "visibility=hidden" not in f
]
objects.append(self.build_object(env=env, **spec))
specs.append(spec)
jobs = int(os.getenv("MAX_JOBS", "1")) if self.parallel is None else self.parallel
pool = ThreadPool(jobs or None)
with pool:
objects = pool.map(lambda spec: self.build_object(env=env, **spec), specs)
return objects

def build_object(self, compiler, source, target, flags, macros, include, env=None):
Expand Down