<div dir="ltr">Hello everyone,<br><br>I have recently made the switched an existing OpenCL application to boost compute. For reasons mostly.<br><br>Now the transition went well for the most part but I struggle with one feature that appears to be missing. The determination of the local work group size.<br><br>Originally the code was using clEnqueueNDRangeKernel() which has an option for the local work group size called local_work_size. When left empty, the system will determine that value itself at a small cost.<br><br>Boost compute doesn't seem to have that. When I process an image for example:<div><br></div><div>command_queue.enqueue_nd_range_kernel(kernel,</div><div> bc::extents<2>{ 0, current_line },<br> bc::extents<2>{ width, height },<br> bc::extents<2>{ 128, 1 });</div><div><br></div><div>The last parameter is very hard for me to understand. I know roughly what it is and I understand it has to be dividable by 64, the total size (width * height) however has to be a multiple of it too, so there's a bunch of rules that apply and I would much rather leave that auto-determined as it was before. Leaving it bc::extents<2>{ 0, 0 } throws an assertion.</div><div><br></div><div>So, essentially: Is there a way to leave it empty to be auto-defined?</div><div><br></div><div>Cheers,</div><div><br></div><div>Stephan</div><div><br></div><div><br><br></div></div>