bugGNU Scientific Library - Bugs: bug #59845, Initialize newton, steffenson...

 
 

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bug #59845: Initialize newton, steffenson solvers with GSL_FN_FDF_EVAL_F_DF

Submitter:  Leo Singer <lpsinger>
Submitted:  Fri 08 Jan 2021 04:09:33 PM UTC
   
 
Category:  Performance Severity:  3 - Normal
Priority:  5 - Normal Operating System: 
Status:  None Assigned to:  None
Open/Closed:  Open Release:  2.6

Discussion

Fri 08 Jan 2021 04:09:33 PM UTC, original submission:  

These were the only places in these two solvers where GSL_FN_FDF_EVAL_F or GSL_FN_FDF_EVAL_DF were used independently. If the function or its derivative shared some expensive calculations in common, then this could lead to inefficient initialization of the solver.

Leo Singer <lpsinger>

 

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    History

    Follows 1 latest change.

    Date Changed by Updated Field Previous Value => Replaced by
    2021-01-08 lpsinger Attached File- Added 0001-initialize-newton-steffenson-solvers-with-GSL_FN_FDF.patch, #50683

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