To all those that say sell: STFU you are brainwashed noobs
If you want to play games, you must have a Nvidia card, if you want to do anything else try ATI.
To the others, work was going to invest in a Tesla box that would put out 6-10 TFlops based off 1-2 TESLA K20/K20X/K10 and i was thinking of doing a week long burn in with Bitmining, then seeing about setting it to run BC at a low priority.
But either way I dont pay for Power at home or at work, so BT/watt never has mattered.
So who wrote the last code for the Fermi cards that was optimized? Are there any groups that would take writing the code as a commissioned job?
People are right. Your profits on Nvidia will be miserable. This is not worth it, even with free electricity.
I wrote a miner from scratch in "Radeon pseudo-assembly" (CAL IL) 2 years ago. I
estimated here that in theory a GTX 680 should be capable of 300-475 Mhash/s with a properly optimized kernel. That means a Tesla K10 (which is faster than K20 and K20X on integer or FP SP workloads) should be capable of 430-690 Mhash/s (linear scaling of cores x MHz). At current difficulty you would mine 1.9-3.0 BTC per month. If it takes a $100/hour consultant 10 hours to write an optimized kernel (it took me 20 hours to write my first version), then it would take 2+ years to recoup your initial investment. Given that ASICs are coming out in the next few months, you will basically never make your money back!
Now you see why we tell you to not bother mining on Nvidia...
