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Altera_Forum
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10 years ago

Channel Deadlock Debugging

I've developed a design in which there are 4 NDRange kernels all running concurrently on the FPGA and communicating with each other via the Altera OpencL Channels extension. There are many channels i...
Altera_Forum's avatar
Altera_Forum
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10 years ago

You can use printf calls in your kernels to find out where they are currently at. Yes, printf actually does work on the FPGA, it just takes up a good chunk of LEs FFs and RAMs. I've used it for debugging before. Unfortunately the emulator is useless for these kind of problems.