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

[Anderson Briglia]

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>