Hi I guess, it means as you also mentioned:if the prefetcher is enabled, then
if a demand request hits a cache block with its HWPrefBit set, then
(irrespective of prefetchOnAccess is enabled/disabled), it triggers the
prefetcher to enqueue some more prefetch requests to the prefetch queue.
On 12/17/11, Mahmood Naderan wrote:
> Hi,
> While in the BaseCache.py it is stated that:
>
> prefetch_on_access = Param.Bool(False,
> "notify the hardware prefetcher on every access (not just misses)")
>
> means that we can turn off prefetch on access, in the code this parameter may
> be bypassed
>
>
>
>
>
> if ( prefetcher && (prefetchOnAccess || (blk && blk->wasPrefetched())) ) {
>
> So, if the prefetcher is enabled and prefetchOnAccess is set to false, a
> block that was previously prefetched can notify the prefetcher.
>
>
>
>
> Right?
>
> --
> // Naderan *Mahmood;
>
>
>
>
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