Thank you! This is very usefull! -- Fernando A. Endo, PhD student and researcher
Université de Grenoble, UJF France 2013/11/26 Andreas Hansson <[email protected]> > You could always give the “caching” patch from the sniper team a spin: > http://snipersim.org/w/McPAT > > Andreas > > From: Fernando Endo <[email protected]> > Reply-To: gem5 users mailing list <[email protected]> > Date: Tuesday, 26 November 2013 10:47 > To: gem5 users mailing list <[email protected]> > Subject: Re: [gem5-users] Integrating gem5 with Mcpat > > Hello, > > It seems that one can divide mcpat execution in two or three parts: > > 1) chip modeling => estimates the energy cost per access > 2) multiply accesses by energy costs > 3) estimate the peak power of components > > So if you want to run mcpat faster, the step 1 can be done only once per > gem5 simulation, this step seems to be the slower one. > > If you find a way to separate these, for example dumping the internal > chip model in a file and read every time, could you please send us a patch? > > Regards, > > -- > Fernando A. Endo, PhD student and researcher > > Université de Grenoble, UJF > France > > > > 2013/11/26 Sudarshan <[email protected]> > >> Thanks Lluis..Only problem with this is that i need to dump stats at very >> low instruction grnaulairty like every 5000 retired instruction and the >> above approach makes the stats file huge(since i dump stats every 5000 >> committed). I have already tried the above approach and its too slow. >> >> Thanks >> >> Sudarshan >> Graduate student >> Electrical Engineering >> Univ of Massachusetts Amherst >> >> >> On Tue, Nov 26, 2013 at 10:55 AM, Lluís Vilanova <[email protected]>wrote: >> >>> Sudarshan writes: >>> >>> > Hi, >>> > I would like to integrate gem5 into McPAT since i would like to >>> monitor the >>> > dynamic power dissipated at a particular instruction >>> granularity(example: for >>> > every 5000 committed instructions). So i would need to call McPAT from >>> gem5 >>> > continuously throughout the program execution. Any pointers on this >>> would be >>> > helpful.I would also like to know if there is patch already available >>> for this. >>> >>> The simplest way is to dump the gem5 statistics every N cycles (e.g., >>> using >>> 'dumpresetstats' [1]), and then process those to get numbers from mcpat. >>> >>> [1] http://www.m5sim.org/M5ops >>> >>> >>> Lluis >>> >>> -- >>> "And it's much the same thing with knowledge, for whenever you learn >>> something new, the whole world becomes that much richer." >>> -- The Princess of Pure Reason, as told by Norton Juster in The Phantom >>> Tollbooth >>> _______________________________________________ >>> gem5-users mailing list >>> [email protected] >>> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >>> >> >> >> _______________________________________________ >> gem5-users mailing list >> [email protected] >> 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 > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >
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