Hi
Thanks for your response,
In 'gem5', i have declared cache 'mostly
exclusive' as recommended by you. I have also set "writeback_clean"
parameter to true of cache which is closer to CPU.
Now, i want that this 'mostly exclusive cache,
should act as 'Non exclusive' cache.
Non exclusive cache is cache which does not fill
on a miss from cache closer to CPU. Also, when some block is accessed from
Non exclusive cache, it does not invalidate the block.
I think in gem5, accessed block from Non exclusive
cache is invalidated in 'maintainClusivity()' function.
I think that by removing the 'maintainClusivity()'
function, i can make the 'mostly exclusive' cache as 'non exclusive' cache.
Is my thinking correct?
Also, maintainClusivity() function is used at two
places in cache.cc file. In 'access()' function and 'recvTimingResp()'
function.
I do not understand both functions completely. Can
anyone suggest, do i need to remove 'maintainClusivity()' function from
both places or not?
Many Thanks
Avais
On Fri, Jul 14, 2017 at 11:37 PM, Jason Lowe-Power <[email protected]>
wrote:
> Hello,
>
> The classic cache in gem5 (src/mem/cache and Cache()) is always
> non-inclusive (i.e., it is neither inclusive nor exclusive). You can set
> whether it is "mostly-inclusive" or "mostly-exclusive" as a parameter to
> the Cache SimObject. If the cache is "mostly-exclusive" it will not fill on
> a miss from a cache closer to the CPU (and the opposite for a
> mostly-inclusive). Thus, if you want a mostly-exclusive cache, the caches
> closer to the CPU should set the "writeback_clean" parameter to true (and
> to false if the further cache is mostly-inclusive).
>
> Jason
>
> On Fri, Jul 14, 2017 at 3:16 AM Muhammad Avais <[email protected]>
> wrote:
>
>> Dear all,
>>
>> Gem5 supports 'Mostly exclusive' cache. How can i
>> modify code to make it non exclusive cache.
>>
>> I think i can do it by removing maintainClusivity() function from
>> cache.cc file
>>
>> Can someone comment, how to do it
>>
>>
>>
>> Many Thanks
>> _______________________________________________
>> gem5-users mailing list
>> [email protected]
>> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
>
>
> _______________________________________________
> gem5-users mailing list
> [email protected]
> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
>
_______________________________________________
gem5-users mailing list
[email protected]
http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
