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Author Topic: High CPU usage with new card  (Read 789 times)
denat32
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June 20, 2011, 09:07:17 AM
 #1

Hi,
It's my first post so please be gentle Wink
Recently I have upgraded my GPU to 5870 and moved my old GPU (5770) outside my PC via pcie x1 riser and since then my CPU usage is about 25% for each phoenix (ver. 2.4) (currently running 2). When I try to ran 4 phoenix jobs the CPU usage is 100%. I didn’t have this problem with only one card onboard (1-5% usage per phoenix). Any idea what is the problem and how can I decrease CPU usage? My CPU is Phenom II (550) with 4 cores (2 unblocked).
Win7 32bit, 11.5Catalyst
Thanks for help.
Denat
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haydent
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July 29, 2011, 02:47:52 AM
 #2

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

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