Re: [RFC PATCH] greatly reduce SLOB external fragmentation

Christoph Lameter
2008-07-31T16:06:23Z

Andi Kleen wrote:
> On Thu, Jul 31, 2008 at 10:25:45AM -0500, Christoph Lameter wrote:
>> Andi Kleen wrote:
>>>> Finally getting rid of SLAB is a much trickier proposition because SLUB
>>>> still loses in a few important corner cases.
>>> The big issue is that we haven't really made much progress on at least
>>> some of these test cases (like the database benchmarks) for quite some
>>> time (and that wasn't for a lack of trying) :-/ Might be a fundamental
>>> problem.
>> It would be good to have more of these benchmark regressions than just TPC which requires a database setup etc etc. Preferably something that is easily runnable by everyone.
>
> AFAIK willy had a small test case for at least one of them.

He is developing a scsi performance test program that showed a regression but it was proprietary last time I heard of it. Maybe its now available?