Re: [PATCH] SLUB use cmpxchg_local

Andi Kleen
2007-08-22T13:47:13Z

On Wed, Aug 22, 2007 at 09:45:33AM -0400, Mathieu Desnoyers wrote:
> Measurements on a AMD64 2.0 GHz dual-core
>
> In this test, we seem to remove 10 cycles from the kmalloc fast path.
> On small allocations, it gives a 14% performance increase. kfree fast
> path also seems to have a 10 cycles improvement.

Looks good. Anything that makes kmalloc faster is good

-Andi