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Number crunching :
Bringing down primary number cruncher for a day: what RAC impact?
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Author | Message |
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Send message Joined: 8 Jul 10 Posts: 16 Credit: 11,058,624 RAC: 0 |
Team, Quick question... I'm going to install a new video card on my primary number crunching machine. I've been stressing production over the last few weeks trying to break the top 100 hosts. I wanted to get some insight into how the RAC is calculated. Does it decay in real time or do I have a window to do this upgrade? I'm moving from 5970 to 6990, so will want around a day to test drivers/over clocks for optimal performance, play with it, etc... I just want to get a feel for what kind of reduction in RAC I can expect. Thanks, Justin |
Send message Joined: 14 Feb 09 Posts: 999 Credit: 74,932,619 RAC: 0 |
You will probably lose about 5k or so in RAC, it is a moving average. |
Send message Joined: 8 Jul 10 Posts: 16 Credit: 11,058,624 RAC: 0 |
Thanks for the reply. I was able to get it running and overclocked surprising fast. 65 seconds per workunit! |
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