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Type: Posts; User: ibai

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  1. Replies
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    Re: Does NDRange affect performance?

    Sorry, the bolded formula in the previous post should be:
    get_group_id(1) * get_global_size(0) * get_local_size(1) + get_group_id(0) * get_local_size(1) + get_local_id(1)

    It is a specific case...
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    Re: Does NDRange affect performance?

    Hello.

    I think I know which the problem is. As I described in the previous posts I defined column-wise work-groups of fixed size (1x512). I have now tried with a row-wise workgroup (512x1) and...
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    Re: Does NDRange affect performance?

    Sorry if I'm not clear, but I'm used to CUDA and sometimes I mix both terminologies. In my test I fixed the local range to 1x512, so I think it should not affect the results.

    I agree that the...
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    Does NDRange affect performance?

    Hello.

    I thought that the grid dimensions used for the NDRange when launching a kernel was just a practical issue, but that it did not affect to the kernel execution time. Nevertheless I performed...
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