GNU Scientific Library - Bugs: bug #21828, suboptimal performance of...
You are not allowed to post comments on this tracker with your current authentication level.
bug #21828: suboptimal performance of gsl_fdfsolver_lmsder
Submitter: | -Deleted Account- <bjg> | ||
Submitted: | Tue 18 Dec 2007 03:38:42 PM UTC | ||
Category: | Performance | Severity: | 3 - Normal |
Operating System: | Status: | Confirmed | |
Assigned to: | None | Open/Closed: | Open |
Release: | 1.10 |
Tue 18 Dec 2007 05:05:32 PM UTC, comment #1: |
-Deleted Account- <bjg> |
Tue 18 Dec 2007 03:38:42 PM UTC, original submission:
From: "Alexander Usov" <a.s.usov@gmail.com>
|
-Deleted Account- <bjg> |
No files currently attached
Depends on the following items: None found
Items that depend on this one: None found
Follows 1 latest change.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2010-03-11 | bjg | Assigned to | bjg | None |
Powered by Savane 3.13-758e.
Corresponding source code
Reply-To: -email is unavailable-
From: Brian Gough <bjg@network-theory.co.uk>
To: "Alexander Usov" <a.s.usov@gmail.com>
Cc: -email is unavailable-
Subject: Re: [Help-gsl] Strange performance of gsl_fdfsolver_lmsder
Date: Thu, 25 Oct 2007 21:57:08 +0100
At Wed, 24 Oct 2007 20:45:01 +0200,
Alexander Usov wrote:
I have a vague memory that there was some quantity (Jacobian?) that
MINPACK only computes fully at the end, but in GSL it is accessible to
the user at each step so I felt I had to update it on each iteration
in the absence of some alternate scheme. Sorry this is not a great
answer but I am not able to look at it in detail now.
--
Brian Gough
_____________________________________________
Help-gsl mailing list
-email is unavailable-
http://lists.gnu.org/mailman/listinfo/help-gsl