From: "Anoop J." <cs99001@nitc.ac.in>
To: <linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>
Subject:
Date: Fri, 24 Jan 2003 11:24:24 +0530 (IST) [thread overview]
Message-ID: <42636.210.212.228.78.1043387664.webmail@mail.nitc.ac.in> (raw)
How is this different from a fully associative cache .Would be better if u
could deal it based on the address bits used
Thanks
David Lang wrote:
>The idea of page coloring is based on the fact that common implementations
>of caching can't put any page in memory in any line in the cache (such an
>implementation is possible, but is more expensive to do so is not commonly
>done)
>
>With this implementation it means that if your program happens to use
>memory that cannot be mapped to half of the cache lines then effectivly
>the CPU cache is half it's rated size for your program. the next time your
>program runs it may get a more favorable memory allocation and be able to
>use all of the cache and therefor run faster.
>
>Page coloring is an attampt to take this into account when allocating
>memory to programs so that every program gets to use all of the cache.
>
>David Lang
>
>
> On Fri, 24 Jan 2003, Anoop J. wrote:
>
>>Date: Fri, 24 Jan 2003 10:38:03 +0530 (IST)
>>From: Anoop J. <cs99001@nitc.ac.in>
>>To: linux-kernel@vger.kernel.org, linux-mm@kvack.org
>>
>>
>>How does page coloring work. Iwant its mechanism not the implementation.
>>I went through some pages of W.L.Lynch's paper on cache and VM. Still not
>>able to grasp it .
>>
>>
>>Thanks in advance
>>
>>
>>
>>-
>>To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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>>More majordomo info at http://vger.kernel.org/majordomo-info.html
>>Please read the FAQ at http://www.tux.org/lkml/
>>
>
next reply other threads:[~2003-01-24 5:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-24 5:54 Anoop J. [this message]
2003-01-24 6:28 ` your mail David Lang
2003-01-24 8:51 ` Anoop J.
2003-01-24 8:48 ` David Lang
2003-01-24 9:49 ` Anoop J.
2003-01-24 19:14 ` David Lang
2003-01-24 19:40 ` Maciej W. Rozycki
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