Recent questions tagged opencl

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opencl - clEnqueueNDRange blocking on Nvidia hardware? (Also Multi-GPU)

On Nvidia GPUs, when I call clEnqueueNDRange, the program waits for it to finish before continuing. More ... the same effect happening. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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opencl - Error -1001 in clGetPlatformIDs Call !

I am trying to start working with OpenCL. I have two NVidia graphics card, I installed "developer driver" as well ... 't work with sudo either. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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opencl - How do I know if the kernels are executing concurrently?

I have a GPU with CC 3.0, so it should support 16 concurrent kernels. I am starting 10 kernels by looping ... . Can someone help me out.. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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opencl - Number of Compute Units corresponding to the number of work groups

I need some clarification. I'm developing OpenCL on my laptop running a small nvidia GPU (310M). When I query ... with 16 work items each? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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219 views

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opencl - Questions about global and local work size

Searching through the NVIDIA forums I found these questions, which are also of interest to me, but nobody had ... my code global_work_size = 20. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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332 views

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opencl - Is private memory slower than local memory?

I was working on a kernel which had much global memory access per thread so I copied them to local memory ... which may degrade the performance? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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