| Commit message (Collapse) | Author | Age |
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PiperOrigin-RevId: 571430428
Change-Id: I4777c37c5287d26a75f37fe059324ac218878f0e
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PiperOrigin-RevId: 561444259
Change-Id: I205ba9f11f4d41163ce74ae9cfa417fe500ccab3
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PiperOrigin-RevId: 561108037
Change-Id: Idff65e288384cb55ce69f789db2d9374ae781d3d
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Imported from GitHub PR https://github.com/abseil/abseil-cpp/pull/1452
__cpuid is declared in intrin.h, but is excluded on non-Windows platforms.
We add this declaration to compensate.
Fixes #1358
PiperOrigin-RevId: 534449804
Change-Id: I91027f79d8d52c4da428d5c3a53e2cec00825c13
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PiperOrigin-RevId: 534213948
Change-Id: I56b897060b9afe9d3d338756c80e52f421653b55
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PiperOrigin-RevId: 534179290
Change-Id: I9ad24518cc6a336fbaf602269fb01319491c8b60
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PiperOrigin-RevId: 494749165
Change-Id: I8d855be9c508a9fdfb5f60e87471c0947057ecc9
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Currently we take generic/default code-path on AMD due to misspelling.
Mostly helps with crc+memcpy:
name old speed new speed delta
BM_Memcpy/1 156MB/s ± 1% 156MB/s ± 1% ~ (p=0.563 n=18+18)
BM_Memcpy/100 6.38GB/s ± 1% 6.50GB/s ± 1% +1.89% (p=0.000 n=19+19)
BM_Memcpy/10000 14.6GB/s ± 1% 21.7GB/s ± 0% +49.01% (p=0.000 n=20+19)
BM_Memcpy/500000 13.5GB/s ± 1% 19.9GB/s ± 0% +47.35% (p=0.000 n=18+17)
PiperOrigin-RevId: 490572650
Change-Id: Id7901321a23262c0ab62a2d82fae86cf42acf16d
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Using /arch:AVX on MSVC now uses the accelerated implementation
PiperOrigin-RevId: 490550573
Change-Id: I924259845f38ee41d15f23f95ad085ad664642b5
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This fixes the build on arm64 macOS.
Note that hardware acceleration is not yet enabled on arm64 when not
running under Linux.
Addresses the report from https://github.com/abseil/abseil-cpp/commit/1687dbf814eceb93de2d93f91b31acaab404091c#commitcomment-89529264
PiperOrigin-RevId: 487655295
Change-Id: I168dfc863c960d0b694b26dfcb85ff0fd0e95a1e
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This implementation can advantage of hardware acceleration available
on common CPUs when using GCC and Clang. A future update may enable
this on MSVC as well.
PiperOrigin-RevId: 487327024
Change-Id: I99a8f1bcbdf25297e776537e23bd0a902e0818a1
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