0.On Wed, 18 May 2016, Thomas Garnier wrote: > slab_test, before: > 10000 times kmalloc(8) -> 67 cycles kfree -> 101 cycles > 10000 times kmalloc(16) -> 68 cycles kfree -> 109 cycles > 10000 times kmalloc(32) -> 76 cycles kfree -> 119 cycles > 10000 times kmalloc(64) -> 88 cycles kfree -> 114 cycles
> After: > 10000 times kmalloc(8) -> 60 cycles kfree -> 74 cycles > 10000 times kmalloc(16) -> 63 cycles kfree -> 78 cycles > 10000 times kmalloc(32) -> 72 cycles kfree -> 85 cycles > 10000 times kmalloc(64) -> 91 cycles kfree -> 99 cycles Erm... The fastpath was not touched and the tests primarily exercise the fastpath. This is likely some artifact of code placement by the compiler?
