memcpy performance - Intel® Software Network

memcpy performance abstract Normal usage of memcpy() with gcc presents serious performance issues. Implications and some possible avoidance measures are discussed for both 32- and 64-bit builds background linux gcc carries on the Unix tradition from the early days of C, when the run-time libraries weren't considered as part of the compiler. Thus, there is little coordination between compiler and

[hyoshiok]

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[kosaki]

x86_32, x86_64, ia64のmemcpyの最適化の詳細

[kazuhooku]

autovectorization を使うよう memcpy を C で独自定義