Forum > GPU crunching
x38g reports
Jason G:
There are some further clues in your errored task list that I'm looking at, tracing some code. Back later with some beer to fuel a further analysis.
There's still quite a few things to eliminate from suspicion, but we'll isolate what's going on eventually.
Jason
Terror Australis:
Hi Jason - Here and here are a couple more units for your perusal. For comparison THIS is a "good" unit from the same card
In a short run of about 12 hours, reducing the card to 648MHz showed no downclocking errors (it was dropping to approx half speed before). I've put it back up to 702MHz which GPUZ claims is the "stock" speed and will report back tomorrow (The 70 Meg downclock from the EVGA factory spec was just too irritating to handle :-)
T.A.
Jason G:
Thanks,
It gives me some ammunition to approach things properly with the new 560ti in the other room, which I have yet to put under any crunching or test pieces. I intend to use it to help isolate what's going on, attempting to replicate what some others see .
If I'm pushing some code portions 'too hard' (that is harder than what the factories are using to determine stable OC or bin parts), I'll just have to back those off, making them optional via advanced user settings somehow. (There could be a lot of them, so probably some sortof configuration file would be needed, along with stress tests to determine viable settings), as well as potentially some monitoring & failsafes.
It's likely to end up being a complicated tradeoff, whether to run faster code at a reduced clock rate, or slower code at potentially unstable factory settings, but the most stable config would have to be the default.
Jason
perryjay:
Got an error http://setiathome.berkeley.edu/workunit.php?wuid=801331122 Found a triplet thrice. Sounds like a song title or something. :D My original wingman hasn't got to it yet and the new work hasn't gone out yet so I don't know if it was something I did wrong or not. Since it's the first one of those I've seen in awhile I doubt it's me.
Jason G:
LoL. It looks like he's running stock, so will find it twice before exploding (assuming your result was all in order). It's probably just an extraterrestrial intergalactic cruiseliner sending an SOS distress beacon in morse code. we don't want those anyway, we're looking for extraterrestrial intelligence, not shuffleboarders.
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