[Developers] opencl newfmin example

John Sibert sibert at hawaii.edu
Thu May 17 19:48:24 PDT 2012


Nice.

On 05/17/2012 01:46 PM, Ian Taylor wrote:
> Here are run times for the bigmin model:
> new newfmin with GPU: 0 minutes 22 seconds for 442 function evaluations.
> new newfmin w/o  GPU: 3 minutes, 37 seconds for 682 function evaluations.
> old newfmin time (no GPU): 5 minutes, 44 seconds for 2119 function 
> evaluations.

It obviously followed different paths to minima with and without the 
GPU. Were they the same minima? Is this caused by the precision issue 
Dave mentioned?




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