How about you do this... #1 rollback to the old version. Run gem5. save the config.ini file. #2 go the new version. Run gem5. save the config.ini file.
Finally, diff the two config.ini files and see what changed in your configurations. On Sat, Apr 14, 2012 at 3:02 PM, Mahmood Naderan <[email protected]>wrote: > The cmp.py has not been changed from the old one. However some minor > changes (master/slave names) are done while porting to the new > release. > > On 4/14/12, Malek Musleh <[email protected]> wrote: > > I missed that, my mistake. I don't know what the cmp.py script is > > doing as I don't have it in my repo, but if you look at the sim_insts > > between the 2 stats file you posted,, there is a big difference: > > > > new: sim_insts > 20767049 > > old: sim_insts > 39724113 > > > > I would make sure the cpu type is not getting overridden somehow when > > you do cpu_type=detailed by atomic/timing or something of the sort. > > > > Malek > > > > On Sat, Apr 14, 2012 at 1:52 PM, Mahmood Naderan <[email protected]> > > wrote: > >> why? > >> -d is detailed > >> > >> > >> On 4/14/12, Malek Musleh <[email protected]> wrote: > >>> Well first of all, you are not making first comparisons, as each of > >>> the runs you are using a different cpu type. So I think you should > >>> start with fixing that parameter first. > >>> > >>> Malek > >>> > >>> On Sat, Apr 14, 2012 at 1:34 PM, Mahmood Naderan <[email protected] > > > >>> wrote: > >>>> For the old one, I use: > >>>> build/X86_SE/m5.fast configs/example/cmp.py -F 20000000 --maxtick > >>>> 10000000000 -d --caches --l2cache -b h264_sss --prog-interval=1000000 > >>>> > >>>> for the new one I use: > >>>> build/X86/m5.fast configs/example/cmp.py --cpu-type=detailed -F > >>>> 20000000 --maxtick 10000000000 --caches --l2cache -b h264_sss > >>>> --prog-interval=1000000 > >>>> > >>>> I attached the configs and stats. Thanks > >>>> > >>>> On 4/14/12, Nilay Vaish <[email protected]> wrote: > >>>>> So, with 8613:712d8bf07020 you got and IPC of 1.54, and with some > >>>>> version > >>>>> near 8944:d062cc7a8bdf, you get an ipc of 0.093. Which CPU type are > you > >>>>> using? > >>>>> > >>>>> -- > >>>>> Nilay > >>>>> > >>>>> On Sat, 14 Apr 2012, Mahmood Naderan wrote: > >>>>> > >>>>>> The previous release is: > >>>>>> changeset: 8613:712d8bf07020 > >>>>>> tag: tip > >>>>>> user: Nilay Vaish<[email protected]> > >>>>>> date: Sat Nov 05 15:32:23 2011 -0500 > >>>>>> summary: Tests: Update stats due to addition of fence microop > >>>>>> > >>>>>> > >>>>>> And the IPC is 1.541534 > >>>>>> > >>>>>> However for the new release, I am not able to find the head: > >>>>>> mahmood@tiger:gem5$ hg head > >>>>>> abort: requirement 'dotencode' not supported! > >>>>>> > >>>>>> > >>>>>> On 4/14/12, Nilay Vaish <[email protected]> wrote: > >>>>>>> How much is the difference and which versions of gem5 are you > talking > >>>>>>> about? > >>>>>>> > >>>>>>> -- > >>>>>>> Nilay > >>>>>>> > >>>>>>> On Sat, 14 Apr 2012, Mahmood Naderan wrote: > >>>>>>> > >>>>>>>> Hi, > >>>>>>>> In the new version, I see that the IPC of h264 (with sss input) is > >>>>>>>> very very low. However with the previous releases, this value is > >>>>>>>> fine > >>>>>>>> and acceptable. > >>>>>>>> > >>>>>>>> Do you know how can I find the bottleneck? Which stat value shows > >>>>>>>> the > >>>>>>>> weired behaviour? > >>>>>>>> > >>>>>>>> ISA = x86 > >>>>>>>> -F = 50,000,000 > >>>>>>>> --maxtick = 10,000,000,000 > >>>>>>>> L1 = 32kB, 4 > >>>>>>>> L2 = 2MB, 16 > >>>>>>>> > >>>>>>>> the IPC obtained is 0.093432 > >>>>>>>> > >>>>>>>> Have you faced such result? Please let me know > >>>>>>>> > >>>>>>>> > >>>>>>>> -- > >>>>>>>> // Naderan *Mahmood; > >>>>>>>> _______________________________________________ > >>>>>>>> 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 > >>>>>>> > >>>>>> > >>>>>> > >>>>>> -- > >>>>>> -- > >>>>>> // Naderan *Mahmood; > >>>>>> _______________________________________________ > >>>>>> 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 > >>>>> > >>>> > >>>> > >>>> -- > >>>> -- > >>>> // Naderan *Mahmood; > >>>> > >>>> _______________________________________________ > >>>> 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 > >>> > >> > >> > >> -- > >> -- > >> // Naderan *Mahmood; > >> _______________________________________________ > >> 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 > > > > > -- > -- > // Naderan *Mahmood; > _______________________________________________ > gem5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > -- - Korey
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