The number of committed instructions was increasing when I increase the frequency from 0.2 Ghz, 0.4, 0.6 , and so on till 1Ghz. However, after that it will not increase, but as I mentioned in the first email. #instructions in 1.2 Ghz will be the same liken #instructions in 0.6 Ghz and so on.
Best, Heba On Fri, Apr 11, 2014 at 5:15 PM, narayanamoor <narayanam...@wisc.edu> wrote: > Also, in multi core simulations the number of committed instructions do > not represent work fully as some instructions may be used for > synchronization. > > > Thanks > Srini > > > > > > > -------- Original message -------- > From: Andreas Hansson <andreas.hans...@arm.com> > Date: 04/11/2014 9:11 AM (GMT-06:00) > To: gem5 users mailing list <gem5-users@gem5.org> > Subject: Re: [gem5-users] number of committed instructions > > > Hi Fernando, > > Something to keep in mind is that if it is a full system run then the > number of committed instructions could very well change. > > Andreas > > From: Fernando Endo <fernando.en...@gmail.com> > Reply-To: gem5 users mailing list <gem5-users@gem5.org> > Date: Friday, 11 April 2014 15:08 > To: gem5 users mailing list <gem5-users@gem5.org> > Subject: Re: [gem5-users] number of committed instructions > > Hello, > > The number of committed instructions should be always the same! Because > the real work done can be represented by committed instruction, and it is > the same if one change the CPU frequency. What may change is the number of > executed instructions (iew stage), because the dynamic behavior, i.e. the > speculation, will be different with different CPU/cache freq ratio. > > Regards, > > -- > Fernando A. Endo, PhD student and researcher > > Universit� de Grenoble, UJF > France > > > > 2014-04-11 10:42 GMT+02:00 Heba Khdr < > heba.k...@informatik.uni-karlsruhe.de>: > >> Dear all, >> >> I have a question: >> I am running parsec applications using gem5 and for different >> freqeuencies in each experiment. >> When I increase the frequency, the number of committed instructions >> (which I got it from stats.txt) increase, till I exceed the frequency more >> than 1 Ghz, then the number of instructions will not increase. >> It will not saturated, but I will get the following: >> #instructions for 1.2 Ghz = #instructions for 0.6 Ghz. >> #instructions for 1.6 Ghz = #instructions for 0.8 Ghz. >> >> So, what do you think the problem is ? >> >> >> Thanks in advance. >> >> >> _______________________________________________ >> gem5-users mailing list >> gem5-users@gem5.org >> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >> > > > -- IMPORTANT NOTICE: The contents of this email and any attachments are > confidential and may also be privileged. If you are not the intended > recipient, please notify the sender immediately and do not disclose the > contents to any other person, use it for any purpose, or store or copy the > information in any medium. Thank you. > > ARM Limited, Registered office 110 Fulbourn Road, Cambridge CB1 9NJ, > Registered in England & Wales, Company No: 2557590 > ARM Holdings plc, Registered office 110 Fulbourn Road, Cambridge CB1 9NJ, > Registered in England & Wales, Company No: 2548782 > > _______________________________________________ > gem5-users mailing list > gem5-users@gem5.org > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >
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