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Ship it! Ship It! - Emilio Castillo On Oct. 30, 2013, 1:14 p.m., Emilio Castillo wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > http://reviews.gem5.org/r/2074/ > ----------------------------------------------------------- > > (Updated Oct. 30, 2013, 1:14 p.m.) > > > Review request for Default. > > > Repository: gem5 > > > Description > ------- > > This patch fixes a problem where in Garnet, the enqueue time in the > VCallocator and the SWallocator > which is of type Cycles was being stored inside a variable with int type. > > This lead to a known problem restoring checkpoints with garnet & the fixed > pipeline enabled. > That value was really big and didn't fit in the variable overflowing it, > therefore some conditions on the VC allocation stage & the SW allocation stage > were not met and the packets didn't advance through the network, leading to a > deadlock panic right after the checkpoint was restored. > > > Diffs > ----- > > src/mem/ruby/network/garnet/fixed-pipeline/SWallocator_d.cc cd0a9c975c8c > src/mem/ruby/network/garnet/fixed-pipeline/VCallocator_d.cc cd0a9c975c8c > > Diff: http://reviews.gem5.org/r/2074/diff/ > > > Testing > ------- > > > Originally the checkpoint was obtained in the atomic mode by doing some like > this: > build/X86/gem5.opt configs/example/fs.py -n 16 > --script=canneal_16c_simsmall.rcS --kernel=x86_64-vmlinux-2.6.28.4-smp > --disk-image=x86root.img > > The m5checkpoint instruction is somewhere the binary i'm executing. > > The checkpoint was restored with: > > build/X86_MESI_CMP_directory/gem5.opt configs/example/ruby_fs.py -n 16 > --kernel=x86_64-vmlinux-2.6.28.4-smp --disk-image=x86root.img -r1 > --num-l2cache=16 --num-dir=16 --topo=Mesh --mesh-rows=4 --restore-with=timing > --garnet=fixed > > > Thanks, > > Emilio Castillo > > _______________________________________________ gem5-dev mailing list [email protected] http://m5sim.org/mailman/listinfo/gem5-dev
