Hi,
To extract the information of time or cycles GEM5 I don't have problems, but I do not know for where to start, if I start changing a ready ISA (e.g. MIPS) or start one from the beginning ? Thanks 2013/5/30 Fernando Endo <[email protected]> > Hi, > > Note that I've never worked with it, so what I'm saying can be completely > wrong, but in my opinion, if you're interested in timing information you > can use the timing model of cpu to simulate your new instructions. The > fuctional behavior and the timing info will be defined by the your ISA (I > think). > > Of course you'll have to find a good way to estimate how fast your new > processor can execute them. If you say your instructions can compute a > matrix multiplication in one cycle, you will need good arguments to say so! > Otherwise your processor may simply be unfeasible. > > If you're proposing a new uarch, them you'll probably need to modify the > pipelined cpu models. > > Hope it helps, > > Fernando > > -- > Fernando A. Endo, PhD student and researcher > > Université de Grenoble, UJF > France > > > > 2013/5/30 Andrws Vieira <[email protected]> > >> Hello Fernando, >> >> I dont know, is possible to do both ? If yes, what can be the better way ? >> >> I was thinking in modify the instructions set, because I know what >> algorithms that will run ... >> For example, matrix multiplication, in this case I was thinking of doing >> only two instructions (LoadMatrix and MultMatrix) >> >> What do you suggest me? >> >> >> Thank You in Advance, >> >> >> 2013/5/29 Fernando Endo <[email protected]> >> >>> Hi, >>> >>> Do you want to modify/adapt the existing cpu models to your architecture >>> or just to implement a new ISA? >>> >>> Regards, >>> >>> Fernando >>> >>> -- >>> Fernando A. Endo, PhD student and researcher >>> >>> Université de Grenoble, UJF >>> France >>> >>> >>> >>> 2013/5/26 Andrws Vieira <[email protected]> >>> >>>> Hello everybody, >>>> >>>> >>>> I need to make an architecture/organization that shows be more >>>> efficient (in some benchmarks) for example that the MIPS. >>>> >>>> Is possible I make a organization (ISA for gem5), for example with few >>>> and simple instructions and be able to compile an C code for this my >>>> architecture ? >>>> >>>> Thanks in advance >>>> >>>> -- >>>> *Andrws Aires Vieira * >>>> Mestrando em Computação >>>> Universidade Federal do Rio Grande do Sul - UFRGS >>>> >>>> _______________________________________________ >>>> 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 >>> >> >> >> >> -- >> *Andrws Aires Vieira * >> Mestrando em Computação >> Universidade Federal do Rio Grande do Sul - UFRGS >> >> _______________________________________________ >> 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 > -- *Andrws Aires Vieira * Mestrando em Computação Universidade Federal do Rio Grande do Sul - UFRGS
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