[linux-mm-cc] Re: Some testings using ccache pre-alpha 003 for i386

[Anderson Briglia]

Hi all (again!),

A small correction: the kernel used  was linus kernel 2.6.18-rc4 with
ccache alpha 004.

Cheers,

Anderson Briglia

On 8/29/06, Anderson Briglia <briglia.anderson at gmail.com> wrote:
> Hi all,
>
> On 8/29/06, Anderson Briglia <briglia.anderson at gmail.com> wrote:
> > Hi all,
> >
> > I did a quick test with the pre-alpha 004 and fillmem. Using a larger
> > ccache, we can improve the test's speed. (see file attached). This
> > version seems to be more stable and "workable" on a real environment.
> > :-)
>
> Just to add:
> - I used fillmem 40 (MB)
> - And a ccache size of 2500 pages (or 10MB)
> - linus kernel 2.6.18-rc4 with ccache pre-alpha 003 applied
> - qemu with ubuntu-dapper image
> - 128MB of RAM
> - No Swap devices
> - After every test, the machine was rebooted
>
> > Actually we need a testing use case that is able to show the ccache
> > benefits with anon pages.
> > AFAIK, this ccache version was designed to improve the memory
> > consumption, postponing the OOM killer call, for instance. So, we need
> > a test use case that evaluates this.
> >
> > Best regards,
> >
> > Anderson Briglia
> >
> >
> > On 8/28/06, Nitin Gupta <nitingupta.mail at gmail.com> wrote:
> > > Hi,
> > >
> > > Please see new page posted on project home page:
> > > http://linuxcompressed.sourceforge.net/braindumps
> > > I have detailed here possible explanation for these negative results.
> > >
> > > I hope to have some solutions implemented soon :)
> > >
>
> <snip>
>