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Altera_Forum
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8 years ago

Report Loop Analysis NDrange threads

Hello everyone Im struggling to find what means the Details tab in Loop Analysis section of the report, saying nd-range: thread capacity = 303 example 2Dimension Kernel: ___Kernel(...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

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No, that is not what this means. That number is just the latency of the pipeline which determines the maximum number of threads that can be simultaneously "in-flight" in the pipeline. This does not limit the total number of work-items you can run with that kernel.

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Thanks HRZ!

What causes this number to be 303? Depends on the for loop condition, in the above example j=row+1 < height?