|Spill code and unrolling firstname.lastname@example.org (Stephan Ceram) (2008-12-11)|
|Re: Spill code and unrolling SidTouati@inria.fr (Sid Touati) (2008-12-12)|
|Re: Spill code and unrolling email@example.com (Giridhar S) (2008-12-13)|
|Re: Spill code and unrolling firstname.lastname@example.org (Walter Banks) (2008-12-15)|
|From:||"Giridhar S" <email@example.com>|
|Date:||Sat, 13 Dec 2008 07:50:04 -0500|
|Posted-Date:||13 Dec 2008 09:30:34 EST|
You may be interested in this piece of work by Vivek Sarkar - it
discusses optimal loop unrolling considering the effects of spilling.
Optimized Unrolling of Nested Loops. Vivek Sarkar. ACM International
Conference on Supercomputing (ICS), May, 2000.
>> Now, I was wondering if it would be a good heuristic for a loop
>> unroller to skip loops containing spill code. What do you think?
>> It is also an interesting question, how this scenario will effect
>> the program execution time for systems with and without caches.
>> Intuitively, I would assume that in a system with data caches, the
>> additional spill code will have in total a negative influence on the
>> unrolled code. Without data caches, I don't really know what could
>> be expected.
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