{"action":"created","issue":{"url":"https://api.github.com/repos/ethereum/webthree-umbrella/issues/272","repository_url":"https://api.github.com/repos/ethereum/webthree-umbrella","labels_url":"https://api.github.com/repos/ethereum/webthree-umbrella/issues/272/labels{/name}","comments_url":"https://api.github.com/repos/ethereum/webthree-umbrella/issues/272/comments","events_url":"https://api.github.com/repos/ethereum/webthree-umbrella/issues/272/events","html_url":"https://github.com/ethereum/webthree-umbrella/issues/272","id":137009054,"number":272,"title":"OS X - GPU --opencl-devices option","user":{"login":"bobsummerwill","id":3788156,"avatar_url":"https://avatars.githubusercontent.com/u/3788156?v=3","gravatar_id":"","url":"https://api.github.com/users/bobsummerwill","html_url":"https://github.com/bobsummerwill","followers_url":"https://api.github.com/users/bobsummerwill/followers","following_url":"https://api.github.com/users/bobsummerwill/following{/other_user}","gists_url":"https://api.github.com/users/bobsummerwill/gists{/gist_id}","starred_url":"https://api.github.com/users/bobsummerwill/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/bobsummerwill/subscriptions","organizations_url":"https://api.github.com/users/bobsummerwill/orgs","repos_url":"https://api.github.com/users/bobsummerwill/repos","events_url":"https://api.github.com/users/bobsummerwill/events{/privacy}","received_events_url":"https://api.github.com/users/bobsummerwill/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/ethereum/webthree-umbrella/labels/bug","name":"bug","color":"fc2929"},{"url":"https://api.github.com/repos/ethereum/webthree-umbrella/labels/mining","name":"mining","color":"fbca04"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2016-02-28T05:26:14Z","updated_at":"2016-03-19T21:07:18Z","closed_at":null,"body":"Issue first logged by @tcoyze at https://github.com/ethereum/webthree/issues/79#issuecomment-189717639, and also experienced by it4ch1.\r\n\r\nWhen attempting to mine on my Mac and specify '--opencl-devices 1' I am attempting to use my NVIDIA GPU not the integrated Intel Iris Pro. However, it keeps reverting to the Iris Pro which is device 0.\r\n\r\neth --frontier -b -i --list-devices output:\r\n\r\n[OPENCL]:\r\nListing OpenCL devices.\r\nFORMAT: [deviceID] deviceName\r\n[0] Iris Pro\r\nCL_DEVICE_TYPE: GPU\r\nCL_DEVICE_GLOBAL_MEM_SIZE: 1610612736\r\nCL_DEVICE_MAX_MEM_ALLOC_SIZE: 402653184\r\nCL_DEVICE_MAX_WORK_GROUP_SIZE: 512\r\n[1] GeForce GT 750M\r\nCL_DEVICE_TYPE: GPU\r\nCL_DEVICE_GLOBAL_MEM_SIZE: 2147483648\r\nCL_DEVICE_MAX_MEM_ALLOC_SIZE: 536870912\r\nCL_DEVICE_MAX_WORK_GROUP_SIZE: 1024\r\n\r\nCommand: eth --frontier -b --genesis genesis/genesis.json -i -m on -G --opencl-device 1\r\nOutput:\r\n(++)Ethereum\r\nBeware. You're entering the Frontier!\r\n[OPENCL]:Found suitable OpenCL device [Iris Pro] with 1610612736 bytes of GPU memory\r\n\r\nBut I want the GeForce GT 750M not Iris Pro.\r\n\r\nDevice: Mac MGXC2LL/A El Capitan 10.11.1"},"comment":{"url":"https://api.github.com/repos/ethereum/webthree-umbrella/issues/comments/198785776","html_url":"https://github.com/ethereum/webthree-umbrella/issues/272#issuecomment-198785776","issue_url":"https://api.github.com/repos/ethereum/webthree-umbrella/issues/272","id":198785776,"user":{"login":"loxal","id":87507,"avatar_url":"https://avatars.githubusercontent.com/u/87507?v=3","gravatar_id":"","url":"https://api.github.com/users/loxal","html_url":"https://github.com/loxal","followers_url":"https://api.github.com/users/loxal/followers","following_url":"https://api.github.com/users/loxal/following{/other_user}","gists_url":"https://api.github.com/users/loxal/gists{/gist_id}","starred_url":"https://api.github.com/users/loxal/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/loxal/subscriptions","organizations_url":"https://api.github.com/users/loxal/orgs","repos_url":"https://api.github.com/users/loxal/repos","events_url":"https://api.github.com/users/loxal/events{/privacy}","received_events_url":"https://api.github.com/users/loxal/received_events","type":"User","site_admin":false},"created_at":"2016-03-19T21:07:18Z","updated_at":"2016-03-19T21:07:18Z","body":"I can acknowledge the error w/ the same environment. Make Macs mine ether :)"}}