Replace a bit counting loop with an efficient population count #1297
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👍 Thanks Tim! |
rhc54
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Jan 13, 2016
Replace a bit counting loop with an efficient population count
jsquyres
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Aug 23, 2016
Fix a warning and other small cleanups.
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The opal_hwloc_base_get_npus() function needs to count the number of bits turned on in a cpuset.
This patch replaces a linear bit counting loop with a call to an already existing efficient population count routine: hwloc_bitmap_weight()