[Bug libfortran/31501] libgfortran internal unit I/O performance issues

2007-10-26 Thread fxcoudert at gcc dot gnu dot org
--- Comment #11 from fxcoudert at gcc dot gnu dot org 2007-10-26 22:43 --- Probably too generic to be useful, and we're not doing so bad. Closing (with Jerry's approval). -- fxcoudert at gcc dot gnu dot org changed: What|Removed |Added ---

[Bug libfortran/31501] libgfortran internal unit I/O performance issues

2007-10-08 Thread jvdelisle at gcc dot gnu dot org
-- jvdelisle at gcc dot gnu dot org changed: What|Removed |Added Severity|normal |enhancement http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31501

[Bug libfortran/31501] libgfortran internal unit I/O performance issues

2007-06-22 Thread jvdelisle at gcc dot gnu dot org
--- Comment #10 from jvdelisle at gcc dot gnu dot org 2007-06-22 20:20 --- Keeping track of these here. -- jvdelisle at gcc dot gnu dot org changed: What|Removed |Added

[Bug libfortran/31501] libgfortran internal unit I/O performance issues

2007-04-28 Thread jvdelisle at gcc dot gnu dot org
--- Comment #9 from jvdelisle at gcc dot gnu dot org 2007-04-29 00:23 --- Subject: Bug 31501 Author: jvdelisle Date: Sun Apr 29 00:23:35 2007 New Revision: 124266 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=124266 Log: 2007-04-28 Jerry DeLisle <[EMAIL PROTECTED]>

[Bug libfortran/31501] libgfortran internal unit I/O performance issues

2007-04-22 Thread patchapp at dberlin dot org
--- Comment #8 from patchapp at dberlin dot org 2007-04-22 23:40 --- Subject: Bug number PR31501 A patch for this bug has been added to the patch tracker. The mailing list url for the patch is http://gcc.gnu.org/ml/gcc-patches/2007-04/msg01439.html -- http://gcc.gnu.org/bugzilla/sh

[Bug libfortran/31501] libgfortran internal unit I/O performance issues

2007-04-22 Thread jvdelisle at gcc dot gnu dot org
--- Comment #7 from jvdelisle at gcc dot gnu dot org 2007-04-22 22:09 --- Created an attachment (id=13427) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13427&action=view) Refinement on the previous, using macros With this patch I replaced is_array_io, is_internal_unit, and is_st

[Bug libfortran/31501] libgfortran internal unit I/O performance issues

2007-04-22 Thread jvdelisle at gcc dot gnu dot org
--- Comment #6 from jvdelisle at gcc dot gnu dot org 2007-04-22 21:18 --- Created an attachment (id=13426) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13426&action=view) Modified patch for further improvement This modified patch, gets the time for the test case on my system fro

[Bug libfortran/31501] libgfortran internal unit I/O performance issues

2007-04-22 Thread jvdelisle at gcc dot gnu dot org
--- Comment #5 from jvdelisle at gcc dot gnu dot org 2007-04-22 20:24 --- Created an attachment (id=13425) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13425&action=view) Patch to improve read-sf This patch knocks read_sf off the profile. Thats a start. -- http://gcc.gnu.o

[Bug libfortran/31501] libgfortran internal unit I/O performance issues

2007-04-17 Thread jvdelisle at gcc dot gnu dot org
--- Comment #4 from jvdelisle at gcc dot gnu dot org 2007-04-18 06:12 --- Looking at sf_read in transfer.c, we can see that we are reading one character at a time with internal units. This was done for external units because we can not anticipate where the end of the file is until we h

[Bug libfortran/31501] libgfortran internal unit I/O performance issues

2007-04-09 Thread jvdelisle at gcc dot gnu dot org
--- Comment #3 from jvdelisle at gcc dot gnu dot org 2007-04-10 00:19 --- I am not sure this is formatted I/O related. I will investigate further, but I suspect we are allocating buffer memory to write to memory and we should not have to do that. -- jvdelisle at gcc dot gnu dot org