> Chen, Kenneth wrote on Wednesday, December 06, 2006 10:20 AM
> > Jens Axboe wrote on Wednesday, December 06, 2006 2:09 AM
> > This is what I had in mind, in case it wasn't completely clear. Not
> > tested, other than it compiles. Basically it eliminates the small
> > bio_vec pool, and grows the bio by 16-bytes on 64-bit archs, or by
> > 12-bytes on 32-bit archs instead and uses the room at the end for the
> > bio_vec structure.
>
> Yeah, I had a very similar patch queued internally for the large benchmark
> measurement. I will post the result as soon as I get it.
Jens, this improves 0.25% on our db transaction processing benchmark setup.
The patch tested is (on top of 2.6.19):
http://marc.theaimsgroup.com/?l=linux-kernel&m=116539972229021&w=2
- Ken
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