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Altera_Forum
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8 years ago

Issues on PCI Transfers and Kernels Execution Overlapping.

Hi everybody, We have a piece of software that uses a double buffering pipeline to overlap FPGA execution, PCI transfers, and CPU-side competition. The software is pretty throughput intens...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

update 1:

Following our intuition about problem# 3, we found an easy workaround for that issue: If we release and recreate (clreleasecommandqueue() and clcreatecommandqueue()) all the command queues at every cycle of our pipeline the problem disappears.

We were not able to check whether this affects other boards or not; but, we will do it later this week I guess.