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[Octave-bug-tracker] [bug #51871] loading '-ascii' format files is slow
From: |
Rik |
Subject: |
[Octave-bug-tracker] [bug #51871] loading '-ascii' format files is slow |
Date: |
Thu, 31 Aug 2017 14:44:56 -0400 (EDT) |
User-agent: |
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:55.0) Gecko/20100101 Firefox/55.0 |
Follow-up Comment #19, bug #51871 (project octave):
I reviewed the latest patch and updated it a bit. See
speed-up-load-ascii-v4.patch attached.
Mostly it was Octave coding conventions, but I did decide to use
return T (0.0);
from the template str2fp_num rather than just "return 0;".
I also used xelem rather than elem which will be slightly faster since it
won't check that the row and column indices are valid on each access (we
already know they are)
- tmp.elem (i, j) = d;
+ tmp.xelem (i, j) = d;
(file #41705)
_______________________________________________________
Additional Item Attachment:
File name: speed-up-load-ascii-v4.patch Size:10 KB
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Reply to this item at:
<http://savannah.gnu.org/bugs/?51871>
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- [Octave-bug-tracker] [bug #51871] loading '-ascii' format files is slow, (continued)
- [Octave-bug-tracker] [bug #51871] loading '-ascii' format files is slow, Dan Sebald, 2017/08/29
- [Octave-bug-tracker] [bug #51871] loading '-ascii' format files is slow, Rik, 2017/08/29
- [Octave-bug-tracker] [bug #51871] loading '-ascii' format files is slow, Dan Sebald, 2017/08/29
- [Octave-bug-tracker] [bug #51871] loading '-ascii' format files is slow, Dan Sebald, 2017/08/29
- [Octave-bug-tracker] [bug #51871] loading '-ascii' format files is slow, Rik, 2017/08/30
- [Octave-bug-tracker] [bug #51871] loading '-ascii' format files is slow, count, 2017/08/30
- [Octave-bug-tracker] [bug #51871] loading '-ascii' format files is slow, count, 2017/08/31
- [Octave-bug-tracker] [bug #51871] loading '-ascii' format files is slow, Dan Sebald, 2017/08/31
- [Octave-bug-tracker] [bug #51871] loading '-ascii' format files is slow, Rik, 2017/08/31
- [Octave-bug-tracker] [bug #51871] loading '-ascii' format files is slow, John W. Eaton, 2017/08/31
- [Octave-bug-tracker] [bug #51871] loading '-ascii' format files is slow,
Rik <=
- [Octave-bug-tracker] [bug #51871] loading '-ascii' format files is slow, Rik, 2017/08/31
- [Octave-bug-tracker] [bug #51871] loading '-ascii' format files is slow, Dan Sebald, 2017/08/31
- [Octave-bug-tracker] [bug #51871] loading '-ascii' format files is slow, Dan Sebald, 2017/08/31
- [Octave-bug-tracker] [bug #51871] loading '-ascii' format files is slow, Rik, 2017/08/31
- [Octave-bug-tracker] [bug #51871] loading '-ascii' format files is slow, John W. Eaton, 2017/08/31
- [Octave-bug-tracker] [bug #51871] loading '-ascii' format files is slow, Rik, 2017/08/31