If -s flag means fast forward then it’s correct.
Check the correct flags using ./build/X86/gem5.opt config/example/se.py -h

On Mon, Nov 25, 2019 at 9:46 PM Charitha Saumya <saumyachari...@gmail.com>
wrote:

> Hi,
>
> I want to run my x86 binary for 300M  instructions from which 100M will be
> for warming up the caches. I also want to use DerivO3CPU model for my
> simulation. What is the correct way to do this? And what determines which
> CPU model will be used for warmup and non-warmup portions? For example
> AtomicSimple for warmup and DerivO3 for non-warmup cycles?
>
> Currently I am using ,
> ./build/X86/gem5.opt configs/example/se.py \
> --cmd=./tests/test-progs/simple/simple32 \
> --cpu-type=DerivO3CPU \
> --caches --l2cache \
> --l2_size='256kB' \
> --l1d_size='16kB' \
> --l1i_size='16kB' \
> -s 100000000 \
> -I 300000000
>
> Can someone confirm what I did was correct?
>
> Thanks,
> Charitha
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