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
