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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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Case solved then, thanks again HRZ B)

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Sorry for reviving this topic, but how can i calculate the bandwidth value ?

I can't get the right value from the profiler info in the unrolled loop.

Also i have a latency of 144 LSU for that read at global memory.

http://i64.tinypic.com/o6wr2b.png