https://community.intel.com/t5/OpenCL-for-CPU/One-big-reason-to-implement-support-for-MacOS-X/m-p/774139#M220 Hi,<DIV>I was thinking about MacOS X support and I believe you must support because basically Apple OpenCL CPU implementation has a big limitation it only admits workgroups of 1 element so really can't execute programs optimized to be run on GPUs where workgroups are minimally some multiple of wavefront size (AMD speaking) or warp size (Nvidia speaking) so tipically &gt;=128 at least..</DIV><DIV>Also lots of CUDA code avaiable when ported to OpenCL will not run on MacOSX CPU backend for this very reason..</DIV><DIV>this renders the backend useless so I hope you port the backend..</DIV><DIV>Also you have advanced autovectorization,etc..</DIV><DIV>As in Macos X there isn't any ICD model I wouldn't have any objection linking to a Intel OCL library if that allows to use your efficient implementation..</DIV><DIV>Thanks</DIV> Wed, 01 Dec 2010 08:29:07 GMT rtfss1gmail_com 2010-12-01T08:29:07Z https://community.intel.com/t5/OpenCL-for-CPU/One-big-reason-to-implement-support-for-MacOS-X/m-p/774139#M220 Hi,<DIV>I was thinking about MacOS X support and I believe you must support because basically Apple OpenCL CPU implementation has a big limitation it only admits workgroups of 1 element so really can't execute programs optimized to be run on GPUs where workgroups are minimally some multiple of wavefront size (AMD speaking) or warp size (Nvidia speaking) so tipically &gt;=128 at least..</DIV><DIV>Also lots of CUDA code avaiable when ported to OpenCL will not run on MacOSX CPU backend for this very reason..</DIV><DIV>this renders the backend useless so I hope you port the backend..</DIV><DIV>Also you have advanced autovectorization,etc..</DIV><DIV>As in Macos X there isn't any ICD model I wouldn't have any objection linking to a Intel OCL library if that allows to use your efficient implementation..</DIV><DIV>Thanks</DIV> Wed, 01 Dec 2010 08:29:07 GMT https://community.intel.com/t5/OpenCL-for-CPU/One-big-reason-to-implement-support-for-MacOS-X/m-p/774139#M220 rtfss1gmail_com 2010-12-01T08:29:07Z https://community.intel.com/t5/OpenCL-for-CPU/One-big-reason-to-implement-support-for-MacOS-X/m-p/774140#M221 <P>Thanks for sharing this great feedback with us.</P><P><BR /> Intel does not comment on features and availability of third party products. We are aware of Apple plans and evaluating support on our CPU-based platforms for different Operating Systems. We suggest you speak directly with any such third party for direct comment.</P><P></P> Wed, 01 Dec 2010 09:49:49 GMT https://community.intel.com/t5/OpenCL-for-CPU/One-big-reason-to-implement-support-for-MacOS-X/m-p/774140#M221 ARNON_P_Intel 2010-12-01T09:49:49Z