Re: [Gems-users] number of hits per cache level

["Dave Z." <zhu_dave@xxxxxxxxx>]

You are right. Does Ruby keep track of memory requests per processor? If so, then I can subtract the number of misses per processor from that number and find the number of hits per processor. That would give me the correct number of hits per processor, right?

Dave

----- Original Message ----
From: Greg Byrd <gbyrd@xxxxxxxx>
To: Gems Users <gems-users@xxxxxxxxxxx>
Sent: Monday, October 29, 2007 1:33:47 PM
Subject: Re: [Gems-users] number of hits per cache level

Some cache operations go through many transitions.  Doing what you suggest would overcount hits. 

...Greg


Dave Z. wrote:

In each cache controller, should I profile all transitions (except the ones from I state) as a hit? Would it give me the correct number of hits?


Thanks.

----- Original Message ----
From: Mike Marty <mikem@xxxxxxxxxxx>
To: Gems Users <gems-users@xxxxxxxxxxx>
Sent: Monday, October 29, 2007 12:46:17 PM
Subject: Re: [Gems-users] number of hits per cache level


You can use the transition counts in the .stats file

You can add profiling code to each cache controller


Dave Z. wrote:
  

Hello,


How can I find out the number of hits per cache level? I would like
    

 to find out the hit/miss ratio, therefore I need the total number of
 hits and misses. Would it work if I counted the number of hits in
 Sequencer::makeRequest? But the issue with that approach is the cache level is
 not specified in the request. Please show me some pointers.
  

Thanks,


Dave


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