how many CPU clocks it spends on a MMX instruction

[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

[James_M_Intel1]

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

[James_M_Intel1]

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

Thanks,
Lester