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Altera_Forum's avatar
Altera_Forum
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8 years ago

Data dependency caused by conditional global memory read

Hi, When I compile my code, in the loop analysis of the generated report file there's one loop which has iteration interval of 4, which means it's not pipelined well. for (uint loop...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

Which line is line 122 in your code? False dependencies on "global" buffers can be avoided by adding# pragma ivdep array(*buffer_name*) before the loop (Best practices guide, Section 5.2). Note that incorrect use of this pragma WILL result in incorrect output.