[Developers] opencl newfmin example

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


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?

More information about the Developers mailing list