Fast memcpy in c
1. Introduction This article describes a fast and portable memcpy implementation that can replace the standard library version of memcpy when higher performance is needed. This implementation has been used successfully in several project where performance needed a boost, including the iPod Linux port, the xHarbour Compiler, the pymat python-Matlab interface, the Inspire IRCd client, and various PS
memcpy 最適化 - kazuhoのメモ置き場
バイト単位でコピーするアホなコードの方が、勝手にベクトル化される分、gcc 内蔵のヤツより最大３倍高速なんだってwww memcpy() compiled with vectorizing compilers All current compilers for linux should support SSE2 auto-vectorization with #include <string.h> void *(memcpy)(void *restrict b, const void *restrict a, size_t n){ char *s1 = b; const char *s2 = a; for(; 0<n; --n)*s1++ = *s2++; return b; }(中略) x86-64 gcc memcpy() (中略) Linking in a user-compiled
Enhanced Intel SpeedStep® Technology and Demand-Based Switching on Linux* - Intel® Software Network
Using Intel.com Search You can easily search the entire Intel.com site in several ways. Brand Name: Core i9 Document Number: 123456 Code Name: Emerald Rapids Special Operators: “Ice Lake”, Ice AND Lake, Ice OR Lake, Ice* Quick Links You can also try the quick links below to see results for most popular searches. Product Information Support Drivers & Software
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Linux and Glibc Performance patches
