how many CPU clocks it spends on a MMX instruction

how many CPU clocks it spends on a MMX instruction

Portrait de manishchien

hi,


I need to know how many CPU clocks it spendson a MMX instruction,


such as psadbw, movq, paddw, pxor, ..etc. Is there any datasheet for this?


please help me.


best regards

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Portrait de Lester Memmott (Intel)

SeetheIA-32 Intel Architecture Optimization Reference Manual, Appendix C (IA-32 Instruction Latency and throughput)
ftp://download.intel.com/design/Pentium4/manuals/24896613.pdf


Thanks,
Lester Memmott


PS. By the way, all the reference manuals can be found here:
http://www.intel.com/design/pentium4/manuals/index_new.htm

Portrait de Lester Memmott (Intel)

I hope this provided what you needed. If not, let me know.


Thanks,
Lester

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