Messages in this thread | | | From | Radoslaw Szkodzinski <> | Subject | Re: [ck] swap prefetching merge plans | Date | Thu, 23 Mar 2006 16:34:44 +0100 |
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On Thursday 23 March 2006 08:04, Con Kolivas wrote yet: > On Thu, 23 Mar 2006 03:53 pm, Andrew Morton wrote: > > A look at the -mm lineup for 2.6.17: > > > > mm-implement-swap-prefetching.patch > > mm-implement-swap-prefetching-fix.patch > > mm-implement-swap-prefetching-tweaks.patch > > > > Still don't have a compelling argument for this, IMO. > > For those users who feel they do have a compelling argument for it, please > speak now or I'll end up maintaining this in -ck only forever. I've come > to depend on it with my workloads now so I'm never dropping it. There's no > point me explaining how it is useful yet again, though, because I just end > up looking like I'm handwaving. It seems a shame for it not to be available > to all linux users. >
A compelling argument? Launch UT2004 and some applications in the background. They'll get swapped out. Shock horror when you wait x seconds before system gets responsive and applications are swapped in. (especially the new manual option helps)
Same applies to any large compile. (KDE with --enable-final springs to mind, but Firefox should also be large enough) Even 0,5G of memory is not enough for those and a few apps.
Another boon is retaining swapped-out data. Saves a lot of time when I keep large applications in background and only use them sporadically. (OpenOffice springs to mind)
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