Re: 2.5.38-mm2 dbench $N times

William Lee Irwin III (wli@holomorphy.com)
Tue, 24 Sep 2002 17:18:26 -0700


William Lee Irwin III wrote:
>> Taken on 32x/32G NUMA-Q:
>> Throughput 67.3949 MB/sec (NB=84.2436 MB/sec 673.949 MBit/sec) 16 procs
>> dbench 16 11.72s user 122.21s system 422% cpu 31.733 total

On Tue, Sep 24, 2002 at 10:47:30AM -0700, Andrew Morton wrote:
> Taken on 2x/0.8G el-scruffo PC:
> Throughput 135.02 MB/sec (NB=168.775 MB/sec 1350.2 MBit/sec)
> ./dbench 16 12.11s user 16.29s system 181% cpu 15.646 total
> What's up with that?

Not sure. This is boot bay SCSI crud, but single-disk FC looks
*worse* for no obvious reason. Multiple disk tests do much better
(about matching the el-scruffo PC numbers above).

Cheers,
Bill
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