http://developer.intel.com/design/p...uals/253667.htm

這是 Intel IA-32 指令集官方資料, 包括所有組合語言指令說明, 當然也有 MMX/SSE/SSE2, 不過, 你要看的懂才行.

這裡的 Latency : the number of clock cycles that are required to complete the execution of all of the µops that form an instruction.

別跟我說你看不懂英文.