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[Bug-gsl] [bug #46369] lmniel nonlinear least squares solver optimizatio


From: Patrick Alken
Subject: [Bug-gsl] [bug #46369] lmniel nonlinear least squares solver optimization
Date: Tue, 03 Nov 2015 06:51:36 +0000
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:41.0) Gecko/20100101 Firefox/41.0

URL:
  <http://savannah.gnu.org/bugs/?46369>

                 Summary: lmniel nonlinear least squares solver optimization
                 Project: GNU Scientific Library
            Submitted by: psa
            Submitted on: Tue 03 Nov 2015 06:51:35 AM GMT
                Category: None
                Severity: 3 - Normal
        Operating System: 
                  Status: None
             Assigned to: None
             Open/Closed: Open
                 Release: 
         Discussion Lock: Any

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Details:

The lmniel solver is using dgemm to compute J^T J and then a QR decomposition.
This should be changed to dsyrk and a Cholesky decomposition for speed
improvement




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  <http://savannah.gnu.org/bugs/?46369>

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