Hi I don't know what happens during simulation that the IPC starts to reach zero after fast forwarding a number of instructions. The command is:
build/X86/m5.debug configs/example/cmp.py --caches --l2cache -b h264_sss --cpu-type=detailed -F XX --maxtick 80000000 -F XX varies and for each value, the IPC differs: -F 10,000,000 => IPC=0.775603 -F 10,600,000 => IPC=0.577980 -F 10,650,000 => IPC=0.354208 -F 10,700,000 => IPC=0.083611 -F 10,800,000 => IPC=0.083611 ... Since the debug messages are huge, I don't know how to trace/debug to see what is going on that the IPC is dead finally. Any idea about that? // Naderan *Mahmood;
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