Messages in this thread | | | Date | Thu, 18 Jan 2001 19:49:00 -0200 (BRST) | From | Marcelo Tosatti <> | Subject | Re: 2.4.1pre8 slowdown on dbench tests |
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On Thu, 18 Jan 2001, Steven Cole wrote:
> On Thu, 18 Jan 2001, Marcelo Tosatti wrote: > > On my dbench runs I've noted a slowdown between pre4 and pre8 with 48 > > threads. (128MB, 2 CPU's machine) > > I ran dbench 48 four times in succession for 2.4.0 and 2.4.1-pre8. > The change in performance appears to be not significant. > > This was performed with a Dell 420 dual P-III (733 MHz), with a ST317221A, > ATA DISK drive and ReiserFS 3.6.25. > > Each test was done under the same conditions, running KDE 2.0, one xterm, > right after booting. > > 2.4.0: > Average 9.07868 MB/sec > > Throughput 9.03546 MB/sec (NB=11.2943 MB/sec 90.3546 MBit/sec) > Throughput 8.99614 MB/sec (NB=11.2452 MB/sec 89.9614 MBit/sec) > Throughput 8.87756 MB/sec (NB=11.097 MB/sec 88.7756 MBit/sec) > Throughput 9.40556 MB/sec (NB=11.7569 MB/sec 94.0556 MBit/sec) > > 2.4.1-pre8: > Average 9.25707 MB/sec > > Throughput 8.93444 MB/sec (NB=11.1681 MB/sec 89.3444 MBit/sec) > Throughput 9.43609 MB/sec (NB=11.7951 MB/sec 94.3609 MBit/sec) > Throughput 9.5075 MB/sec (NB=11.8844 MB/sec 95.075 MBit/sec) > Throughput 9.15026 MB/sec (NB=11.4378 MB/sec 91.5026 MBit/sec)
Steven,
The issue is the difference between pre4 and pre8.
Could you please try pre4 and report results ?
Thanks
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