Hi Da,

"For size > 512, the whole stats.txt is identical."

This isn't surprising. 512*4KB = 2MB. So, if your workload is only 1MB when
you have at least 512 entries you are only seeing compulsory (cold) misses.
Try running larger workloads and/or workloads with more reuse.

Cheers,
Jason

On Thu, May 24, 2018 at 9:11 AM Da Zhang <d...@vt.edu> wrote:

> I am using FS mode.
>
> On Thu, May 24, 2018 at 12:00 PM, Jason Lowe-Power <ja...@lowepower.com>
> wrote:
>
>> Hi Da,
>>
>> Are you using SE mode or FS mode? IIRC, the TLB size does nothing in SE
>> mode (it doesn't use a TLB). The TLB is only used in FS mode.
>>
>> Jason
>>
>> On Thu, May 24, 2018 at 8:45 AM Da Zhang <d...@vt.edu> wrote:
>>
>>> Hey guys,
>>>
>>> I tried to increase the dtb size (i.e., number of tlb entries) for our
>>> research. However, the stats.txt for the different dtb size
>>> (64,128,256,512,1024,2048,1048576) is practical identical or identical. For
>>> size < 512, the system.switch_cpus.dtb.rdAccesses difference is only
>>> several hundred. For size > 512, the whole stats.txt is identical. I am
>>> working for the X86 architecture. I change the size in X86TLB.py to
>>> increase the dtb size. By checking the config.ini file, I see the size is
>>> set as expected (under system.cpu.dtb). Any clue?
>>>
>>> Thanks in advance.
>>>
>>> Best,
>>> Da
>>>
>>>
>>> _______________________________________________
>>> gem5-users mailing list
>>> gem5-users@gem5.org
>>> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
>>
>>
>> _______________________________________________
>> gem5-users mailing list
>> gem5-users@gem5.org
>> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
>>
>
> _______________________________________________
> gem5-users mailing list
> gem5-users@gem5.org
> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
_______________________________________________
gem5-users mailing list
gem5-users@gem5.org
http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users

Reply via email to