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Author Topic: Getting 3.3BTC/day, should be getting 4.53  (Read 3304 times)
SgtSpike
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May 22, 2011, 07:03:38 AM
 #1

According to this bitcoin calculator (http://www.alloscomp.com/bitcoin/calculator.php), I should be getting 4.53BTC/day.  I have 1100MH/s split up in the following manner:

5850 - 265MH/s
5850 - 265MH/s
5770 - 172MH/s
4650 - 22MH/s
5870 - 370MH/s

I'm mining with deepbit.net, and recently changed from PPS to Proportional.  I haven't had a machine go down at all over the last 48 hours, and have been watching the "BTC in last 24 hrs" counter on the deepbit website.  It's been down as low as 2.96, as high as 3.68, and mostly in the 3.10-3.20 range.  Right now, it's 3.30.

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...

Has anyone else done this sort of analysis on their own mining?
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May 22, 2011, 07:05:03 AM
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Deepbit had some brief downtime today. That might account for some of the discrepancy.

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SgtSpike
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May 22, 2011, 07:05:44 AM
 #3

Deepbit had some brief downtime today. That might account for some of the discrepancy.
Even in the previous 24 hours, it never went above 3.68.  Sad
Garrett Burgwardt
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May 22, 2011, 07:08:46 AM
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3% fees, bad luck, and downtime all conspired against you.
commlinx
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May 22, 2011, 07:41:55 AM
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Has anyone else done this sort of analysis on their own mining?
Yes a few times and mine over a longer term (a week for example) and has always come in about what I'd expect. Over a day the sort of variances you're seeing aren't unusual even in a large pool. Apart from the "real" luck you might also be happening to view the stats at times of day that don't look so good because of a long round either (or both) sides of the 24 hours.

hiVe
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May 22, 2011, 09:28:01 AM
 #6

Switch to a fee-less pool SgtSpike.
fasti
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May 22, 2011, 10:16:27 AM
 #7

Deepbit had a unluck of 33% there, no way to change that.

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OtaconEmmerich
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May 22, 2011, 12:45:32 PM
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Switch to a fee-less pool SgtSpike.
May I recommend BTC Guild? It's in California and the Pool owner is pretty awesome and friendly. Fairly new with growing pains but it should get better fast.
fortyniner
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May 22, 2011, 12:57:35 PM
 #9

tell me about it.  Eligius US pool went all day (Saturday) without a block.
http://eligius.st/~artefact2/
Bitsinmyhead
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May 22, 2011, 01:11:14 PM
 #10

So many people, starting mining...
With very little knowledge of how things work...
I think this is bad sign for everything...
These people will not stop mining...
When cost of mining > profit...
That day is fast approching gentlemen...

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[Tycho]
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May 22, 2011, 01:13:05 PM
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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.

Welcome to my bitcoin mining pool: https://deepbit.net - Both payment schemes (including PPS), instant payout, no invalid blocks !
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Dread88
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May 22, 2011, 03:54:19 PM
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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

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Veldy
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May 22, 2011, 03:58:05 PM
 #13

tell me about it.  Eligius US pool went all day (Saturday) without a block.
http://eligius.st/~artefact2/

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

If you have found my post helpful, please donate what you feel it is worth: 18vaZ4K62WiL6W2Qoj9AE1cerfCHRaUW4x
Veldy
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May 22, 2011, 04:00:36 PM
 #14

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

5850's ... clock them to 900MH/s how?  MSI afterburner won't allow it, that is for sure.  I think it stops at 800MHz and I run at 775MHz without difficulty at 291MH/s with Phoenix 1.48.

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Dread88
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May 22, 2011, 04:10:12 PM
 #15

[ATIADLHAL]
EnableUnofficialOverclocking   = 1
UnofficialOverclockingEULA   = I confirm that I am aware of unofficial overclocking limitations and fully understand that MSI will not provide me any support on it
UnofficialOverclockingMode   = 2
AccessibilityCheckingPeriod   = 0

Paste this in MSIAfterburner.cfg and save  Smiley

Edit: Paste it in place of Default [ATIADHAL]

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grndzero
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May 22, 2011, 04:33:00 PM
 #16

tell me about it.  Eligius US pool went all day (Saturday) without a block.
http://eligius.st/~artefact2/

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

Unfortunately most of them probably don't know it. It may take some time for some of them to figure it out, and some probably won't. Those types will (hopefully) get frustrated or bored eventually. Then there are the believers who run the hardware despite profit just to add something toward secure the network, though I'm sure they are quite a smaller percentage currently.

Ubuntu Desktop x64 -  HD5850 Reference - 400Mh/s w/ cgminer  @ 975C/325M/1.175V - 11.6/2.1 SDK
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Veldy
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May 22, 2011, 08:01:13 PM
 #17

[ATIADLHAL]
EnableUnofficialOverclocking   = 1
UnofficialOverclockingEULA   = I confirm that I am aware of unofficial overclocking limitations and fully understand that MSI will not provide me any support on it
UnofficialOverclockingMode   = 2
AccessibilityCheckingPeriod   = 0

Paste this in MSIAfterburner.cfg and save  Smiley

Edit: Paste it in place of Default [ATIADHAL]

Thank you, I will give it a shot.  I have an XFX model [basically reference but a little better cooling ... some pipes and a fan].  I'll report back if it gives me any trouble Smiley

Thanks again.

EDIT:  It worked.  I couldn't push it to 900MHz with Aero running, but I switched to basic.  I lowered my memory clock to 800MHz and am running the core clock at 850MHz and getting 320MH/s, so I am happy with that.  The temperature is sitting nicely at about 76C and fan ~60%, so I am going to stick with that for now Smiley

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Tally-ho
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May 22, 2011, 08:56:39 PM
 #18

I believe that calculator gives you a very rough estimate of of the probability of solving blocks while mining solo in a totally static environment, but I could be wrong.  I'm under the impression that it is kind of a "best case" estimate.
IlbiStarz
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May 22, 2011, 09:00:51 PM
 #19

tell me about it.  Eligius US pool went all day (Saturday) without a block.
http://eligius.st/~artefact2/

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?

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inh
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May 22, 2011, 09:34:25 PM
 #20



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.
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