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Altera_Forum
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8 years ago

Help with porting a CUDA code to OpenCL

Hi everyone. I am porting a CUDA kernel to OpenCL kernel to execute it on a FPGA (Stratix V). The code looks very similar so it shouldn't be a problem except that this FPGA board supports only O...
Altera_Forum's avatar
Altera_Forum
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8 years ago

I have never used clRetainMemObject. Are you using these calls in-between the execution of your kernels? These are generally used at the end of execution for cleanup purposes, and in such case, will in no way affect data integrity. Are you using blocking read/write buffer calls? Make sure you are not releasing a device buffer right after a non-blocking read from it (which can obviously cause data corruption).