i have started a thread at amd dev forum - opencl section about the 100% cpu usage bug with >1 gpu installed. feel free to jump over there and post your support for this issue being addressed...

http://forums.amd.com/devforum/messageview.cfm?catid=390&threadid=153211&enterthread=y

Hey. I feel like a dummy, but I can't seem to reply to your thread. I signed up and logged in but I don't see a "reply" button anywhere.

i had this too, you need to logout and back in and when you do it will show you a TOS that you agree to, then you can post/reply.

thanks for posting