Re: mmotm 2008-09-08-18-32 uploaded

From: KAMEZAWA Hiroyuki
Date: Tue Sep 09 2008 - 20:56:18 EST


On Tue, 9 Sep 2008 10:37:41 -0700
Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:

> > Following is comparison with a mmtom based on rc4.
> > ===
> > [rc4mm1]
> > Execl Throughput 3004.4 lps (29.6 secs, 3 samples)
> > C Compiler Throughput 1017.9 lpm (60.0 secs, 3 samples)
> > Shell Scripts (1 concurrent) 5726.3 lpm (60.0 secs, 3 samples)
> > Shell Scripts (8 concurrent) 1124.3 lpm (60.0 secs, 3 samples)
> > Shell Scripts (16 concurrent) 576.0 lpm (60.0 secs, 3 samples)
> > Dc: sqrt(2) to 99 decimal places 125446.5 lpm (30.0 secs, 3 samples)
> >
> > [rc5mm1]
> > Execl Throughput 3006.5 lps (29.8 secs, 3 samples)
> > C Compiler Throughput 1006.7 lpm (60.0 secs, 3 samples)
> > Shell Scripts (1 concurrent) 4863.7 lpm (60.0 secs, 3 samples)
> > Shell Scripts (8 concurrent) 943.7 lpm (60.0 secs, 3 samples)
> > Shell Scripts (16 concurrent) 482.7 lpm (60.0 secs, 3 samples)
> > Dc: sqrt(2) to 99 decimal places 124804.9 lpm (30.0 secs, 3 samples)
> > ==
> > 15% down in shell script test. Any idea ? (scheduler ?)
>
> Dunno. There is a largel number of debugging patches at the tail of
> the series so they should be the first thing to eliminate.
>
But I compare mmtom and mmtom, both includes debug series at the tail of series.
I'll revisit this later.

Thanks,
-Kame

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