Re: [Gems-users] checkpoints with ruby


Date: Thu, 23 Jun 2005 20:12:19 -0500 (CDT)
From: Alaa Alameldeen <alaa@xxxxxxxxxxx>
Subject: Re: [Gems-users] checkpoints with ruby
Different configurations? Yes, as long as you warm up the cache with a
larger configuration (i.e., equal or greater size/associativity, so that
you don't leave cold lines).

Different protocols? Yes.

Different number of processors? No. You need a cache warmup file for each
processor configuration.

-Alaa

On Thu, 23 Jun 2005 yilmazer@xxxxxxxxxxx wrote:

> May I ask a question relating to this?
> Can we use the same warmup files for different cache configurations and
> different protocols, different number of processors?
> Thanks,
>
> Quoting Mike Marty <mikem@xxxxxxxxxxx>:
>
> > load-caches will take a long time because it actually replays the contents
> > of the caches as individual memory requests.  The reason we do this is so
> > that we can use the same warmup files for different cache sizes and
> > configurations (it approximates well).  After each load is completed, we
> > clear the Ruby stats and continue the simulation.
> >
> > I'm not positive how big our standard cache warmup files are, but I've
> > seen it take anywhere between 10-45 minutes to load the caches.
> >
> > --Mike
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