Re: [prePATCH] new VM for linux-2.4.0-test4

[Rik van Riel <riel@conectiva.com.br>]

On Tue, 15 Aug 2000, Mike Galbraith wrote:
> On Mon, 14 Aug 2000, Rik van Riel wrote:
> 
> > OK, I overlooked one of the bad bad bad mistakes watashi 
> > saw .. here is an -incremental- patch to fix the last
> > possible source of memory leakage...
> 
> I put vm6 and this bugfix into test7-pre4.ikd, checked for leakage
> with memleak.. found absolutely nothing.

The patch I posted yesterday (and at my website) does not
leak any memory.

http://www.surriel.com/patches/2.4.0-t4-vmpatch

> I then disabled ikd and did some light performance comparison using
> my favorite generic test (make -j30 bzImage [1]).  Tests conducted in
> identical as possible manner compiling the same tree.

[snip]

> Definite improvement over stock vm, but still not as good at keeping
> 30 hungry tasks fed as classzone (on my 128mb single PIII box).  All
> numbers fully repeatable +- normal test jitter.
> 
> Streaming I/O seems to be suffering a bit, but I didn't measure enough
> to be 100% sure of that.

Well, my new VM patch is still completely untuned. I'm sure
we could improve things quite a bit by carefully tuning the
patch a bit ;)

regards,

Rik
--
"What you're running that piece of shit Gnome?!?!"
       -- Miguel de Icaza, UKUUG 2000

http://www.conectiva.com/		http://www.surriel.com/

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