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* [Bug libfortran/32972]  New: performance of pack/unpack
@ 2007-08-03  6:39 tkoenig at gcc dot gnu dot org
  2007-08-10 20:58 ` [Bug libfortran/32972] " tkoenig at gcc dot gnu dot org
                   ` (25 more replies)
  0 siblings, 26 replies; 27+ messages in thread
From: tkoenig at gcc dot gnu dot org @ 2007-08-03  6:39 UTC (permalink / raw)
  To: gcc-bugs

Right now, pack/unpack

a) use memcpy, even if a native type is available

b) convert mask arguments of kind 1 and 2 to default
   logical kind, which wastes cycles and memory

Case b) is actually true of all intrinsic functions with mask.


-- 
           Summary: performance of pack/unpack
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Keywords: missed-optimization
          Severity: enhancement
          Priority: P3
         Component: libfortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: tkoenig at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32972


^ permalink raw reply	[flat|nested] 27+ messages in thread

end of thread, other threads:[~2010-03-01 22:54 UTC | newest]

Thread overview: 27+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2007-08-03  6:39 [Bug libfortran/32972] New: performance of pack/unpack tkoenig at gcc dot gnu dot org
2007-08-10 20:58 ` [Bug libfortran/32972] " tkoenig at gcc dot gnu dot org
2007-08-10 21:00 ` tkoenig at gcc dot gnu dot org
2007-08-11 20:34 ` tkoenig at gcc dot gnu dot org
2007-08-16 18:16 ` tkoenig at gcc dot gnu dot org
2007-08-24 16:17 ` tkoenig at gcc dot gnu dot org
2007-12-08 18:31 ` jvdelisle at gcc dot gnu dot org
2007-12-08 20:26 ` tkoenig at gcc dot gnu dot org
2007-12-08 21:30 ` fxcoudert at gcc dot gnu dot org
2007-12-08 21:57 ` jvdelisle at verizon dot net
2007-12-09 10:33 ` tkoenig at netcologne dot de
2008-03-19  9:27 ` tkoenig at gcc dot gnu dot org
2008-03-19 15:44 ` tkoenig at gcc dot gnu dot org
2008-03-19 16:49 ` dominiq at lps dot ens dot fr
2008-03-19 16:57 ` tkoenig at gcc dot gnu dot org
2008-03-19 16:58 ` tkoenig at gcc dot gnu dot org
2008-03-20  9:55 ` dominiq at lps dot ens dot fr
2008-03-20 10:55 ` tkoenig at gcc dot gnu dot org
2008-03-20 11:59 ` tkoenig at gcc dot gnu dot org
2008-03-21 14:38 ` tkoenig at gcc dot gnu dot org
2008-03-21 15:34 ` tkoenig at gcc dot gnu dot org
2008-03-23 22:21 ` tkoenig at gcc dot gnu dot org
2008-03-28 23:24 ` tkoenig at gcc dot gnu dot org
2008-04-13 20:17 ` tkoenig at gcc dot gnu dot org
2008-04-14 18:52 ` tkoenig at gcc dot gnu dot org
2010-02-20 22:12 ` burnus at gcc dot gnu dot org
2010-03-01 22:54 ` tkoenig at gcc dot gnu dot org

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