Hi, I just want to mention if it is possible because of timingCPU I used? Somehow I cannot restore checkpoints using O3CPU. Is it the possible reason or not? Can anyone tell me how to restore checkpoints with O3CPU with ruby?
Thanks, Yingying On Wed, Nov 7, 2012 at 12:33 PM, Cookie <cookie.yingy...@gmail.com> wrote: > Hi, > > I am running gem5 with ruby on FS mode. I found very large number of > simulated cycles (or sim_seconds). For example, I ran SPEC2006 benchmarks: > sphinx3 and xalancbmk simultaneously on a 2-core CMP for 500,000,000 > instructions (--maxinsts=500000000) from a checkpoint (17,000,000,000,000). > As shown in stats.txt: > > sim_seconds 1238.163481 > sim_insts 852048981 > system.cpu0.numCycles 2510326961289 > system.cpu0.committedInsts 500000001 > system.cpu1.numCycles 2510322889588 > system.cpu1.committedInsts 352048980 > > Therefore the IPC of core-0 is (500000001/2510326961289) 0.0002 and IPC of > core-1 is (352048980/2510322889588) 0.0001, which is too small for an IPC. > Does anyone have suggestions how to fix it? > > Here is my command: > $ build/X86/m5.fast -d output-fast configs/example/ruby_fs.py > --kernel=x86_64-vmlinux-2.6.22.9.smp --script=configs/boot/482-483.rcS > --ruby -n 2 --num-l2caches=2 -r 1 --restore-with-cpu=timing --l2_size=2MB > --maxinsts=500000000 > > > Thank you in advance. > > Yingying > > > > >
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