On Tue, Apr 18, 2006 at 12:57:00PM +0200, Laurent Vivier wrote:
>
> I made tests on same system (x440) with postmark-1.51 :
>
> pm> set numbers 100000
> pm> set transactions 250000
> pm> run
>
> With atomic_t:
>
> Time:
> 3761 seconds total
> 2414 seconds of transactions (103 per second)
>
> Files:
> 225064 created (59 per second)
> Creation alone: 100000 files (87 per second)
> Mixed with transactions: 125064 files (51 per second)
> 124961 read (51 per second)
> 124895 appended (51 per second)
> 225064 deleted (59 per second)
> Deletion alone: 100128 files (503 per second)
> Mixed with transactions: 124936 files (51 per second)
>
> Data:
> 731.14 megabytes read (199.07 kilobytes per second)
> 1359.02 megabytes written (370.02 kilobytes per second)
>
> With percpu_counter:
>
> Time:
> 3787 seconds total
> 2422 seconds of transactions (103 per second)
>
> Files:
> 225064 created (59 per second)
> Creation alone: 100000 files (85 per second)
> Mixed with transactions: 125064 files (51 per second)
> 124961 read (51 per second)
> 124895 appended (51 per second)
> 225064 deleted (59 per second)
> Deletion alone: 100128 files (503 per second)
> Mixed with transactions: 124936 files (51 per second)
>
> Data:
> 731.14 megabytes read (197.70 kilobytes per second)
> 1359.02 megabytes written (367.48 kilobytes per second)
Can we get oprofile output for these tests please? It will give us a clue as
to how much of hot spots the ext3 atomic counters are with this benchmark.
Also, it will be nice to have results for 3-5 iterations of the test
to make sure we are looking at statistically significant numbers.
Thanks,
Kiran
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