libtorrent: Add cpu popcount configure switch #9
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This commit adds a native c-implementation to calculate the population count of the bitfield. It may be faster for CPUs which don't support SSE instructions. This is disabled by default and must be enabled by configuring with `--enable-cpu-popcount`.
stickz
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Jul 5, 2024
# Version 4.0 Release **This release contains a significant performance improvement to the population count algorithm. CPU usage is significantly reduced under load.** This should allow for a higher upload ceiling to be reached, without hitting the single count limits. ## What's Changed * libtorrent: Add cpu popcount configure switch by @stickz in stickz/rtorrent#9 * libtorrent: Make cpu popcount default by @stickz in stickz/rtorrent#10 **Full Changelog**: stickz/rtorrent@v3.2-0.9.8-0.13.8...v4.0-0.9.8-0.13.8
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This pull request adds a native c-implementation to calculate the population count of the bitfield. It may be faster for CPUs which don't support SSE instructions. This is disabled by default and must be enabled by configuring with
--enable-cpu-popcount.