Software Pipelining

Tim Frink <plfriko@yahoo.de>
26 Aug 2008 14:57:06 GMT

          From comp.compilers
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Software Pipelining plfriko@yahoo.de (Tim Frink) (2008-08-26)
Re:Software Pipelining Jatin_Bhateja@mentor.com (Jatin Bhateja) (2008-08-28)
Re:Software Pipelining plfriko@yahoo.de (Tim Frink) (2008-08-28)
Re: Software Pipelining pertti.kellomaki@tut.fi (Pertti Kellomaki) (2008-08-29)
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From: Tim Frink <plfriko@yahoo.de>
Newsgroups: comp.compilers
Date: 26 Aug 2008 14:57:06 GMT
Organization: Compilers Central
Keywords: optimize, architecture, question
Posted-Date: 26 Aug 2008 23:33:35 EDT

Hi,


Software pipelining is a technique to reorder loops to achieve more
parallelism at the instruction level. I was wondering if this
optimization is mainly beneficial for processors that have multiple
functional units like VLIWs, or can significant performance
improvements be also achieved for RISC processors with a restricted
number of functional unis like just two 4-stage pipelines?


I was also wondering if software pipelining can benefit from profiling
information, i.e. can the knowledge about frequently executed paths be
exploited for a better pipelining? Do you know any successful
applications?


Regards,
Tim


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