Why is rep movsb slow for overlapping forward memmove, and why does libc use it?

✧ Why is rep movsb slow for overlapping forward memmove, and why does libc use it? ✧
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(stackoverflow.com/users/2945027/Alex Guteniev)Alex Guteniev
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#c++ #performance #x86 #cpu-architecture #memmove

Видео Why is rep movsb slow for overlapping forward memmove, and why does libc use it? канала Nida Karagoz