[parsec-users] Fw: Running PARSEC benchmarks

Christian Bienia cbienia at CS.Princeton.EDU
Thu Jan 14 22:09:03 EST 2010


That should do it. You might also want to fast-forward a little to make sure you don’t get any cold-start effects.

 

Best,

Chris

 

 

 

From: parsec-users-bounces at lists.cs.princeton.edu [mailto:parsec-users-bounces at lists.cs.princeton.edu] On Behalf Of Muhammad abid Mughal
Sent: Thursday, January 14, 2010 8:13 PM
To: PARSEC Users
Subject: Re: [parsec-users] Fw: Running PARSEC benchmarks

 

Hi Chris:

            Thanks a lot.

             

            Now i have decided to run each benchmark for the whole ROI with "simsmall" input.

Is that right?. I think its absolutely right.

 

Once again a bundle of thanks.

 

Regards,

Muhammad abid

  _____  

From: Christian Bienia <cbienia at CS.Princeton.EDU>
To: PARSEC Users <parsec-users at lists.cs.princeton.edu>
Sent: Thursday, January 14, 2010 23:50:45
Subject: Re: [parsec-users] Fw: Running PARSEC benchmarks

Hello Muhammad,

 

The only way I can come up with to test how many kernels you have executed is by inserting magic instructions or something like that into the benchmark program. Then again, you’d have to run the whole program anyway to complete all kernels, so why bother?

 

The slow execution speed of detailed simulators is a real issue, but there is nothing you can do about it as a benchmark user. We need more innovation in simulation technology. Sampling might be a way out, but most simulators don’t support it (yet).


Best,

Chris

 

 

 

From: parsec-users-bounces at lists.cs.princeton.edu [mailto:parsec-users-bounces at lists.cs.princeton.edu] On Behalf Of Muhammad abid Mughal
Sent: Thursday, January 14, 2010 10:37 AM
To: Parsec group
Subject: [parsec-users] Fw: Running PARSEC benchmarks

 

Hi Chris:

           Thank you very much and thanks for your guidence. How will i come to know that all kernels are running?

          Actually i am using GEMS and its too slow.If i run each core for 1 Billion instruction then its gonna be take seven or more days.

 

 

Regards,

Muhammad abid

 

 

----- Forwarded Message ----
From: Christian Bienia <cbienia at CS.Princeton.EDU>
To: Muhammad abid Mughal <mabidm_pieas at yahoo.com>
Sent: Thursday, January 14, 2010 22:42:52
Subject: RE: Running PARSEC benchmarks

Hello Muhammad,

 

It’s not a sane methodology. Most PARSEC workloads have multiple kernels and unless you run all of them you won’t get the representative program behavior. If you want to run only a subset of the instructions you should use sampling, some simulators such as Flexus offer sampling by default.

 

It would make my life easier if you send your questions to the parsec-users mailing list because I usually get the same ones on and on.

 

Best,

Chris

 

 

From: Muhammad abid Mughal [mailto:mabidm_pieas at yahoo.com] 
Sent: Thursday, January 14, 2010 8:07 AM
To: Christian Bienia
Subject: Running PARSEC benchmarks

 

Hi Chris:

             Hope you doing good. Am i bothering you by directing questions directly to your email?.

 

My question is that:

                             I am using 8-Core CMP with Out-Of-Order Superscalar processor.

I am running PARSEC benchmarks for a total of 2 Billion inst . I use first One billion inst to warm caches and 2nd billion inst to perform detailed simulation.

 

                            I am using "simsmall"  data set.

 

 

Is this methodology is correct to measure performance of PARSEC benchmarks?

 

 

Thanks in advance

 

Regards

Muhammad abid

 

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