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Altera_Forum's avatar
Altera_Forum
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8 years ago

Kernel performance with profiling

Hello again guys. Im struggle to understand the results from the profiler of two kernel versions (one with unroll factor of 128 and another with 32) The 32 unroll factor outperforms the 12...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

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Yes, that is also exactly what I would expect to see here. However, I have seen so many cases where the stall percentage simply does not make sense and hence, eventually stopped relying on the profiler. The only numbers that generally seem to make sense are the reported memory bandwidth and the burst size.

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Case solved then, thanks again HRZ B)