[parsec-users] PARSEC simulation results

sheng qiu herbert1984106 at gmail.com
Wed May 19 13:48:14 EDT 2010


Hi all,

I have saw a weird missrate results while doing simulation on PARSEC
benchmarks. there're two applications called facesim and streamcluster which
have streaming behaviour in these two applications. My simulation config is:
8-core, 2-way L1 private cache(64k InstCache and 64k Dcache), a shared 8M
L2cache.
i set different way-associative in L2 cache: 4-way, 8-way, 16-way. the
results show 4-way L2 has missrate 0.27, 8-way : 0.46, 16-way: 0.699. I
think it's quite weird that the missrate increase so much as the way
increased. Because other factors are not change(i.e. cache size). Do you
have any suggestions what's wrong? the output of these simulations are
verified correct.
by the way, the simulator i use is M5.

Thanks,
Sheng
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