setup.py: detect parallellism instead of using hardcoded -j2 #265
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On my machine (12-core laptop), this makes 'pip install .' go from 1m56 to 58s. I would have expected a bigger performance gain, but I think the lto at the end of the build is probably taking up the rest of the time.
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On my machine (12-core laptop), this makes 'pip install .' go from 1m56 to 58s. I would have expected a bigger performance gain,
but I think the lto at the end of the build is probably taking up the rest of the time.