Messages in this thread | | | Date | Fri, 14 Apr 2006 10:23:01 -0700 | From | Ravikiran G Thirumalai <> | Subject | Re: [Ext2-devel] Re: [RFC][PATCH 0/2]Extend ext3 filesystem limit from 8TB to 16TB |
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Hi Laurent,
On Tue, Apr 11, 2006 at 09:07:39AM +0200, Laurent Vivier wrote: > ... > I made some tests with iozone on 2 CPU hyperthreaded computer (= 4 CPUs, > Bull Express 5800 120 Lh), and it seems atomic_t is faster than > "percpu_counter". I'll try to make some tests on IBM x440 (8 CPUs, 16 if > hyperthreaded) with iozone and sysbench. > Moreover, I think percpu_counter uses a lot of memory...
Was this just one iozone thread doing io? What was the performance difference? Please let me know what kind of test you are doing, and I can run the same on an IBM x460 with 16 cores here.
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