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Author Topic: Getting 3.3BTC/day, should be getting 4.53  (Read 3460 times)
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May 22, 2011, 09:39:02 PM

No, if the difficulty increase in 50%, your earnings will be multiplied by 1/(1+0.5), thus, divided by 1.5 factor.

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May 22, 2011, 09:43:52 PM

Does a 50% increase in diffuculty directly translate to 50% increase harder to mine? So 2BTC/day would go to 1BTC/day? What's the proportion?

Yea, think so.

100% increase would make it twice as hard to mine, not 50%.

Say the difficulty went up 50% from 244,000 to 366,000.

366,000 - 244,000 = 122,000
366,000 / 122,000 = .333 or 1/3 harder

Ubuntu Desktop x64 -  HD5850 Reference - 400Mh/s w/ cgminer  @ 975C/325M/1.175V - 11.6/2.1 SDK
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May 23, 2011, 01:42:14 AM

Btw you should be getting a lot more from your 5850-s. Somewhere around ~340 Mh/s with just clocking the core to 900Mhz, which for most 5850-s doesn't require increase in voltage  Smiley
Well, one is running on a 400w generic-brand PSU that tends to restart the computer at some point overnight if I try to overclock the card at all.  Figure it's better to leave it stock until I find the issue.  The other one is running in my main desktop, and caused all sorts of problems if I overclocked it, including games not starting up or locking up, randomly swapping between aero and basic, etc.  Just more trouble than it was worth.  I'd rather have a machine that runs well for my primary desktop than a machine that gets 80 more MH/s.

Why the large discrepancy between what I am getting and what the calculator says?  Just bad luck?  I would expect luck to even out quickly in such a large pool.  It just doesn't seem right...
Look at the Statistics page for current luck situation. We had 33% worse luck yesterday. Now it's already normal.
Thanks.  My 24 hour average did jump up to 3.98 now.  That's still a good 12% less than what the calculator says I should be getting though... are we still having a bit of bad luck, or are my calculations off somehow?
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May 23, 2011, 01:49:06 AM

tell me about it.  Eligius US pool went all day (Saturday) without a block.

Yes, and with difficulty expected to rise 50% soon, mining is going to come to an end for a lot of people.

Does a 50% increase in diffuculty directly translate to 50% increase harder to mine? So 2BTC/day would go to 1BTC/day? What's the proportion?

Yes to the first part. No to the 2nd.

With a 50% increase in difficulty, 2BTC/day would go to ~1.33BTC/day.

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