opencl Host memory interaction Writing an array
Example
Writing an array consists of two steps:
- Allocating the memory
- Copying the data
To allocate the memory, a simple call to
_mem = clCreateBuffer($queue, $mem_flags, $size, $host_ptr, &err);
is enough. If you decided to copy the host pointer via the mem_flags, you are done. Otherwise you can copy the data whenever you like with
err = clEnqueueWriteBuffer($queue, _mem, $blocking, $offset, $size, $source, 0, null, null);
