about "L1 Data Cache Miss Performance Impact"

about "L1 Data Cache Miss Performance Impact"

Hi,The equation of ratio "L1 Data Cache Miss Performance Impact" is8 *L1D_REPL /CPU_CLK_UNHALTED.CORE.so I was wondering what does the constant 8 stands for?Kent

2 posts / 0 new
Last post
For more complete information about compiler optimizations, see our Optimization Notice.

Krscent,

It is a multiplier of the performance impact and I believe it assumes 8 cycles per D1 miss with an overestimate due to out-of-order (OoO) execution.

Thanks
Rob
Intel Support

Leave a Comment

Please sign in to add a comment. Not a member? Join today