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並前往https://coderedirect.com/questions/185783/why-does-the-speed-of-memcpy-drop-dramatically-every-4kb

Why does the speed of memcpy() drop dramatically every 4KB?

CPU : Intel(R) Xeon(R) CPU E5620 @ 2.40GHz. OS : 2.6.35-22-generic #33-Ubuntu. GCC compiler flags : -O3 -msse4 -DINTEL_SSE4 -Wall -std=c99. Graphs of memcpy ...

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