floatn slow on gpu

Discussion created by Sheeep on Apr 15, 2011
Latest reply on Apr 15, 2011 by himanshu.gautam

Hi all,

I try to speed up an opencl kernel, using vector data types.

If I run the kernel on cpu, I get a speed up.

but on gpu, the kernel is slower than with scalar data types.


Is the use of vector data types on gpu unusefull?