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Altera_Forum
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11 years ago

OpenCL kernel is freezing

Hello. I'm using Centos 6 and picocomputing m506 board. What is maximum size of kernel's arguments? Summary of cl_mem buffer's size must be less than CL_DEVICE_GLOBAL_MEM_SIZE? Or th...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

The m506 has only 4GB. I'm not sure how the first one even passed, since input_size + output_size > 4GB. OpenCL also reserves some memory for it's own use, so no you don't get the full 4GB. You can query CL_DEVICE_MAX_MEM_ALLOC_SIZE to get the actual available size.

Make sure you check for SUCCESS after the CreateBuffer calls.