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Re: Autovectorized HIRLAM - latest results.
- From: Toon Moene <toon at moene dot indiv dot nluug dot nl>
- To: Sebastian Pop <sebpop at gmail dot com>
- Cc: Dorit Nuzman <DORIT at il dot ibm dot com>, gcc mailing list <gcc at gcc dot gnu dot org>
- Date: Fri, 02 Nov 2007 20:22:43 +0100
- Subject: Re: Autovectorized HIRLAM - latest results.
- References: <4721CF98.3040700@moene.indiv.nluug.nl> <OFF8177D85.096E7CD0-ON88257383.00562A39-88257383.0056F1B4@il.ibm.com> <cb9d34b20710310930g2adf8520uc0faeeb33734e266@mail.gmail.com>
Sebastian Pop wrote:
On Oct 29, 2007 10:49 AM, Dorit Nuzman <DORIT@il.ibm.com> wrote:
I wonder if it's versioning-for-aliasing (run-time dependence testing) that
was responsible for a lot of the new vectorizable loops
It is then possible that the code size noticeably increased. Toon
could you provide more data on the size of the executables with and
without vectorization, and also:
Unfortunately, the binaries are gone.
$ grep 'versioning for alias checks' HL_Prepare_00.html | wc -l
This I can do:
1095
or slightly over half of the difference.
Kind regards,
--
Toon Moene - e-mail: toon@moene.indiv.nluug.nl - phone: +31 346 214290
Saturnushof 14, 3738 XG Maartensdijk, The Netherlands
At home: http://moene.indiv.nluug.nl/~toon/
GNU Fortran's path to Fortran 2003: http://gcc.gnu.org/wiki/Fortran2003