Unlike barrier() (which I think I understand), mem_fence() does not affect all items in the work group.The OpenCL spec says (section 6.11.10), for mem_fence():
I have worked with OpenCL on a couple of projects, but have always written the kernel 开发者_运维百科as one (sometimes rather large) function.Now I am working on a more complex project and would like
Googling didn’t help much, has anyone used AMP? In the code snippet below the cast from integer to double (double v = idx.x) leads to a “Failed to create shader” run time error.
How well does NVCC optimize device code? Does it do any sort of optimizations like constant folding and common subexpression elimination?
To what degree can one predict / calculate the performanc开发者_开发百科e of a CUDA kernel? Having worked a bit with CUDA, this seems non trivial.
Please give me some explanation how a memory access works in the following kernel: __global__ void kernel(float4 *a)
In my current project I need to find pixel exact position of image contained in another image of larger size. Smaller image is never rotated or stretched (so should match pixel by pixel) but it may ha
Based on the example from Nvidia GPU computing SDK I created two kernels for the nbody simulation. The first kernel which doesn\'t take advantage of shared memory is ~15% faster than the second kernel
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I\'m following along with http://code.google.com/p/stanford-cs193g-sp2010/ and the video lectures posted online, doing one of the problem sets posted (the first one) I\'ve encountered something slight
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