I upgraded my test rig today to 4,56 TFLOPS (4 560 GFLOPS):
- Configuration before: 2 x GTX 280 (total 2 GPU’s + CPU)
= max 16 500 PPD*
- Configuration after: 1 x GTX 280 + 2 x GTX295 (total 5 GPU’s + CPU)
= max 37 000 PPD*
Have to run at least 24 hours to make first comments, until now it seems to work. Still I saw 1 Unstable_Machine error at very first startup. There are lot of these problems with X2 cards like GTX295, specially with II-nd GPU on each card.
Energy consumption rised from 450 watts to 850 Watts.
* depends heavily on Work Units, calculated on theoretical basis with 5 concurrent Projects 5771, average 7400 PPD each.
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