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Altera_Forum
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8 years ago

Complex loop exit condition

Hello, I have a very simple code with a few lines, but the outer loop is not pipelined due to "Loop exit condition unresolvable at iteration initiation". Inner loop is pipelined well with II=1. Ca...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

I tested both of your suggestions:

1- inner loop with fixed limit. Now it is pipeliable, but increase in run-time, due to wasted clocks in inner loop, is large. Because my upper limit is huge.

2- I tested the ND-range. That really worked well! I don't know exactly what is the difference between implementation of pipelinging inside a task, or pipelining among work-items inside a ND-range, however, this is a good example for me that they are not similar.

Thank you very much for following this discussion. that was really instructive. :)