Re: [Gems-users] better warming up for cache

[sparsh mittal ISU <sparsh@xxxxxxxxxxx>]

Hello
Yes, this is accepted. But this way, there is no creation of checkpoint, which can be used at a later time. So every possible configuration (!) of design space would require its own simulation of  "Ruby for a
while".
Thanks
Sparsh

On Thu, May 6, 2010 at 3:50 AM, lori zhuang <lorizhuang@xxxxxxxxx> wrote:

List,

      I have some questions on cache warming up . In the official way warming up is mostly like:

Load from a cold checkpoint;

Load ruby;

Run for a while;

Ruby0.save-cache filename;

Ruby0.write-configuration warm_check.conf;

 

Edit to remove ruby0 from warm_check.conf

 

Load from warm_check.conf;

Load ruby;

Ruby0.load-cache filename;

Run ruby;

1.But since save-cache command only save the L1 cache(seen from source code), this way only warms up the L1 cache, right?

     I use clear-stats command for warming up instead like:

Load from a cold checkpoint;

Load ruby;

Ruby for a while;

Ruby0.clear-stats;

Run;

2. I think after clear-stats command, many statistics of ruby are cleared, but L1 cache and L2 cache remain in warm up state. Then I continue the simulation and use dump-stats command to dump the ruby statistics. Isn't this a better way or a right way for warming up?

Thanks,

lorizhuang

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-- 
Thanks and Regards
Sparsh Mittal
Graduate Student
Electrical and Computer Engineering
Iowa State University, Iowa, USA