Le lun 10/04/2006 à 10:24, Andrew Morton a écrit : > Laurent Vivier <[email protected]> wrote: > > > > Does the attached patch look like the thing you though about ? > > I guess so. But it'll need a lot of performance testing on big SMP > to work out what the impact is. I made some tests with dbench: IBM x440: 8 CPUs hyperthreaded = 16 CPUs (Xeon at 1.4 Ghz) with percpu_counter: Throughput 188.365 MB/sec 16 procs Throughput 226.164 MB/sec 32 procs Throughput 142.913 MB/sec 64 procs with atomic_long_t: Throughput 194.385 MB/sec 16 procs Throughput 237.273 MB/sec 32 procs Throughput 160.751 MB/sec 64 procs Regards, Laurent -- Laurent Vivier Bull, Architect of an Open World (TM) http://www.bullopensource.org/ext4
Attachment:
signature.asc
Description: Ceci est une partie de message =?ISO-8859-1?Q?num=E9riquement?= =?ISO-8859-1?Q?_sign=E9e=2E?=
- Follow-Ups:
- Re: [Ext2-devel] Re: [RFC][PATCH 0/2]Extend ext3 filesystem limit from 8TB to 16TB
- From: Ravikiran G Thirumalai <[email protected]>
- Re: [Ext2-devel] Re: [RFC][PATCH 0/2]Extend ext3 filesystem limit from 8TB to 16TB
- References:
- Prev by Date: Documentation issue on 2.6
- Next by Date: Re: PROBLEM: pthread-safety bug in write(2) on Linux 2.6.x
- Previous by thread: Re: [Ext2-devel] Re: [RFC][PATCH 0/2]Extend ext3 filesystem limit from 8TB to 16TB
- Next by thread: Re: [Ext2-devel] Re: [RFC][PATCH 0/2]Extend ext3 filesystem limit from 8TB to 16TB
- Index(es):
 |