Re: [Benchmark] AIM9 results

From: Paolo Ciarrocchi (ciarrocchi@linuxmail.org)
Date: Thu Nov 28 2002 - 08:41:18 EST

From: Bill Davidsen <davidsen@tmr.com>

> > stream_pipe 10000 2807.4 280740.00 Stream Pipe Messages/second
> > stream_pipe 10000 2602.3 260230.00 Stream Pipe Messages/second
> > stream_pipe 10000 2487.1 248710.00 Stream Pipe Messages/second
> >
> > dgram_pipe 10000 2756.9 275690.00 DataGram Pipe Messages/second
> > dgram_pipe 10000 2460.5 246050.00 DataGram Pipe Messages/second
> > dgram_pipe 10000 2377.9 237790.00 DataGram Pipe Messages/second
> >
> > pipe_cpy 10000 4164.8 416480.00 Pipe Messages/second
> > pipe_cpy 10000 3736.4 373640.00 Pipe Messages/second
> > pipe_cpy 10000 3670.4 367040.00 Pipe Messages/second
> >
> > ram_copy 10000 23801.6 595516032.00 Memory to Memory Copy/second
> > ram_copy 10000 23583 590046660.00 Memory to Memory Copy/second
> > ram_copy 10000 23578 589921560.00 Memory to Memory Copy/second
>
> You didn't comment on these, but it clearly looks as if all methods of IPC
> are getting slower, even shared memory. This has been discussed
> previously, some of it has known areas of improvement, so I'm surprised
> that the -mm kernel was slower.

Yep, you are rigth. Didn't notice it. And really don't know
why -mm is still slower than 2.4.19 in these tests.

Paolo 

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This archive was generated by hypermail 2b29 : Sat Nov 30 2002 - 22:00:20 EST