[gem5-users] Question about cache latency in gem5

[Jinwook Jung]

Hello all,

 

I'm running a SPEC2K6 benchmarks in SE mode (gem5.fast) with different cache
latencies, and realized that cache latency doesn't impact on overall system
cycle, system.cpu.numCycles.

I mean, It's the same for the any cache latencies, such as 20 ns or 10 ns in
L2 cache.

I think, the number of system cycle would be different in various cache
latencies, are there any advices for this?

I used the following script something like below.

 

# build/ALPHA_SE/gem5.fast -W 1000000000 -I 3000000000 -caches {and each
cache's size/assoc/line size/latency}

 

Any help or advice would be appreciated!

 

Thanks and kind,

 

Jinwook Jung


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