5 Sep
2010
5 Sep
'10
9:51 p.m.
On 9/6/10, Krzysztof Kosiński wrote:
2010/9/5 Joshua A. Andler <scislac@...400...>:
If I am not mistaken, Krzysztof has already done the parallelization of the rest of the filters in his GSoC branch.
That's right, but they use OpenMP only, no OpenCL for now.
Converting the filters to OpenCL might or might not give some performance gain. With multiple filters the overhead of transmitting the data to the graphics card will dominate and we might end up being slower than the CPU.
Then make it possible to disable GPU ;) IIRC, OpenCL can make a use of multicore CPU just like OpenMP.
Alexandre Prokoudine http://libregraphicsworld.org