{"action":"created","issue":{"url":"https://api.github.com/repos/nengo/nengo_ocl/issues/73","repository_url":"https://api.github.com/repos/nengo/nengo_ocl","labels_url":"https://api.github.com/repos/nengo/nengo_ocl/issues/73/labels{/name}","comments_url":"https://api.github.com/repos/nengo/nengo_ocl/issues/73/comments","events_url":"https://api.github.com/repos/nengo/nengo_ocl/issues/73/events","html_url":"https://github.com/nengo/nengo_ocl/issues/73","id":90776967,"number":73,"title":"Some kernel functions do not vectorize using Intel CPUs and OpenCL 1.2","user":{"login":"jjaguayo","id":3290830,"avatar_url":"https://avatars.githubusercontent.com/u/3290830?v=3","gravatar_id":"","url":"https://api.github.com/users/jjaguayo","html_url":"https://github.com/jjaguayo","followers_url":"https://api.github.com/users/jjaguayo/followers","following_url":"https://api.github.com/users/jjaguayo/following{/other_user}","gists_url":"https://api.github.com/users/jjaguayo/gists{/gist_id}","starred_url":"https://api.github.com/users/jjaguayo/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jjaguayo/subscriptions","organizations_url":"https://api.github.com/users/jjaguayo/orgs","repos_url":"https://api.github.com/users/jjaguayo/repos","events_url":"https://api.github.com/users/jjaguayo/events{/privacy}","received_events_url":"https://api.github.com/users/jjaguayo/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-06-24T20:48:35Z","updated_at":"2016-04-27T19:55:32Z","closed_at":null,"body":"When running the Nengo script 1-communication.py from @tcstewar 's repository nengo_benchmarks with the nengo_ocl backend, the following nengo_ocl kernel functions do not vectorize, \r\n- probes\r\n- gemv_many_dots\r\n- elementwise_inc\r\n- cl_lif_2\r\n- filter_synapse\r\n\r\nThe spec for the machine being run on as well as the environment are as follows:\r\n- 64 64-bit Intel Xeon CPUs\r\n- CentOS 6.6\r\n- PyOpenCL 2015.1\r\n- OpenCL 1.2 driver\r\n- Python 2.7\r\n- Nengo 2.0\r\n\r\nAfter setting PYOPENCL_COMPILER_OUTPUT, I collected output from the terminal and will email it to @hunse .\r\n"},"comment":{"url":"https://api.github.com/repos/nengo/nengo_ocl/issues/comments/215208951","html_url":"https://github.com/nengo/nengo_ocl/issues/73#issuecomment-215208951","issue_url":"https://api.github.com/repos/nengo/nengo_ocl/issues/73","id":215208951,"user":{"login":"hunse","id":1952250,"avatar_url":"https://avatars.githubusercontent.com/u/1952250?v=3","gravatar_id":"","url":"https://api.github.com/users/hunse","html_url":"https://github.com/hunse","followers_url":"https://api.github.com/users/hunse/followers","following_url":"https://api.github.com/users/hunse/following{/other_user}","gists_url":"https://api.github.com/users/hunse/gists{/gist_id}","starred_url":"https://api.github.com/users/hunse/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/hunse/subscriptions","organizations_url":"https://api.github.com/users/hunse/orgs","repos_url":"https://api.github.com/users/hunse/repos","events_url":"https://api.github.com/users/hunse/events{/privacy}","received_events_url":"https://api.github.com/users/hunse/received_events","type":"User","site_admin":false},"created_at":"2016-04-27T19:55:32Z","updated_at":"2016-04-27T19:55:32Z","body":"I use the [AMD APP](http://developer.amd.com/tools-and-sdks/opencl-zone/amd-accelerated-parallel-processing-app-sdk/) now instead of the Intel one, and I no longer get messages like these. Also, I think all of the kernels have been revised in some way, so this probably has to be reinvestigated at the very least."}}