On 09/28/2016 08:41 PM, Nikunj A Dadhania wrote:
Without patch:
==============
[tcg_test]$ time ../qemu/ppc64le-linux-user/qemu-ppc64le -cpu POWER9 le_lxvw4x
>/dev/null
real 0m2.812s
user 0m2.792s
sys 0m0.020s
[tcg_test]$
With patch:
===========
[tcg_test]$ time ../qemu/ppc64le-linux-user/qemu-ppc64le -cpu POWER9 le_lxvw4x
>/dev/null
real 0m2.801s
user 0m2.783s
sys 0m0.018s
[tcg_test]$
Not much perceivable difference, is there a better way to benchmark?
There should be more of a difference for softmmu, since the tlb lookup for the
memory is more expensive.
r~