Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

FPGA(Opencl) code work well in emulator mode, but can't finish run on the FPGA

Hello： When I run my FPGA(OpenCL) code in emulator mode, the result is right; but after I create hardware configuration file and run on the FPGA, the code is blocked and can't fin...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

--- Quote Start ---

If your kernel still didn't work, I recommend removing the printfs (since it might cause deadlocks of its own) and also using "mem_fence(CLK_CHANNEL_MEM_FENCE)" to enforce channel ordering in kernels that have multiple channel reads/writes.

--- Quote End ---

Complie finished! But nothing printf out and kernel blocked! Now I remove most of printf to try again! I consider the host code is wrong?? What error will cause this result???