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Altera_Forum
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11 years ago

Long compile time (infinte loop)

Hello all, I have finally gotten some code I have been working on to compile, specifically after installing the April update to the OpenCL compiler. However, the Compile has been going for almo...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

I do not know if this is the exact issue here, but the previous versions of the aoc compiler was having trouble trying to schedule instructions when there are large number of load and store instructions (hundreds or thousands or loads/stores). There could be multiple reasons for having excessive number of loads/stores; 1) loop unrolling, 2) a large private array being accessed with dynamic addresses.

The compile-time issue is fixed in 14.0 update 1 release. However, in general, users should try to avoid having excessive number of load/store instructions for performance reasons.