-F FAST_FORWARD, --fast-forward=FAST_FORWARD
Number of instructions to fast forward before
switching
I am not sure fast forward can help me here.
On Mon, Nov 25, 2019 at 9:55 PM Abhishek Singh <
abhishek.singh199...@gmail.com> wrote:
>
> Is there any flag called “fast forward”?
>
> On Mon, Nov 25, 2019 at 9:53 PM Charitha Saumya <saumyachari...@gmail.com>
> wrote:
>
>> No. -s means
>> -s STANDARD_SWITCH, --standard-switch=STANDARD_SWITCH
>> switch from timing to Detailed CPU after warmup
>> period
>> of <N>
>> But I am still not convinces all these flags are functional. Can someone
>> confirm gem5 supports this flag? and what CPU models are used before and
>> after switch?
>>
>> Thanks
>>
>>
>>
>> On Mon, Nov 25, 2019 at 9:50 PM Abhishek Singh <
>> abhishek.singh199...@gmail.com> wrote:
>>
>>> 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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>>>
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