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Altera_Forum
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10 years ago

Bandwidth Efficiency values in the Altera Dynamic Profiler for OpenCL

Hi everyone, can somebody explain me the values of bandwidth efficiency in the Altera Dynamic Profiler for OpenCL? Like in the screens attached to this post, in a kernel that I'm working on I...
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Altera_Forum
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10 years ago

ah thanks wzk6_3_8!

I also found this:

--- Quote Start ---

The overall efficiency is the percentage of total bytes, acquired from the global memory system, that the kernel program uses.

--- Quote End ---

So I guess I'm getting low efficiency values because the .aocx file contains multiple lead/store instructions.

Thanks,

Nicola.