If L2 has BLK and reply that to L1, then there is no need to mark BLK
in L2 as "prefetched". However I am talking about MM->L2->L1.

Since L1 issued address 'X' (and wanted BLK) and L2 can not reply
that, I think all cache levels should mark BLK as "prefetched"




On 2/10/12, biswabandan panda <biswa....@gmail.com> wrote:
> thats not true. You can fiind prefetched blocks at L2 also.
>
> On Fri, Feb 10, 2012 at 1:13 PM, Mahmood Naderan
> <mahmood...@gmail.com>wrote:
>
>> Dear all,
>> Assume the prefetcher is enabled for L1 and L2. When L1 issue 'X', it
>> checks L2 for that address. Also assume that L2 misses. MM replies to
>> L2 with a BLK containing 'X'. Then L2 replies to L1 and pass BLK.
>>
>> While debugging, I noticed that BLK is set to "prefetched" only in L1.
>> In another word, L2 treats BLK as a regular block.
>>
>> Is this implementation correct? I think that BLK should be marked as
>> "prefetched" in L2 too.
>>
>> Do you have any comment?
>> --
>> // Naderan *Mahmood;
>> _______________________________________________
>> gem5-users mailing list
>> gem5-users@gem5.org
>> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
>>
>
>
>
> --
>
> *thanks&regards
> *
> *BISWABANDAN*
>


-- 
--
// Naderan *Mahmood;
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