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Author Topic: How many BTC did I leave on the table?  (Read 963 times)
cncguru
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July 01, 2012, 01:05:58 AM
 #1


I discovered BTC last summer just after the Gox debacle and was poised with what I found was a 15Gh/s cluster of computers I had previously been using to crunch numbers for the BOINC project Milkyway@home.
I have added quite a bit to my capacity over the last year but I wonder just how many BTC I would have to add to my stash if I would've been mining instead of crunching!
Now I, of course, did not start out with all those computers so I can't just figure it simply by time BUT
You can get certificates for your contributions in BOINC and here is mine for Milkyway:

Certificate of Computation

This certifies that
cncguru

has participated in MilkyWay@Home since 11 June 2010, and has contributed 1,166,219,987 Cobblestones of computation (1.01 sextillion floating-point operations) to MilkyWay@Home.

Would any of you braniac mathematicians out there care to estimate for this old retired "cruncher" just how many BTC 1.01 sextillion floating point operations would translate to?

I realize there isn't really any direct mapping but I'm curious anyway.

Thanks in advance for anyone's efforts
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cncguru
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July 01, 2012, 07:57:38 AM
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Thanks Goat for the response but methinks you just pulled that number from?Huh?

I remember the first Milkyway@home "Challenge" I participated in was back in Nov/Dec 2010 and lasted 5 days.
Well if I look at the historical difficulty chart I see it was 12,252 on 12/09/2010 and I distinctly remember I had (24)5870's at that time so I can use TP's calculator and plug in those numbers:

5870~400Mh/s x 24 = 9600MH/s


Earnings   ฿   
Hourly   32.838014   
Daily           788.112345   
Weekly   5516.786417   
Monthly   23643.370357

Back up another month and subtract (4) 5870's(I was buying one every week)

5870 x 20 = 8000MH/s

difficulty was 4536 on 11/09/2010 so we get

Earnings   ฿   
Hourly   73.914490   
Daily     1773.947761   
Weekly   12417.634328   
Monthly   53218.432835

It would be tedious to go through that whole year plugging in the correct difficulty numbers and allow that I was buying a new 5870 every week but suffice to say I left a shit ton of BTC on that hypothetical table!


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July 01, 2012, 08:05:11 AM
 #3

It also depends what you electricity cost is which you need to subtract from the total.

cncguru
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July 01, 2012, 08:18:47 AM
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 What does electricity have to do with the amount of BTC?
It would effect my actual $$ profits but not the amount of BTC generated.
And it's not a factor for me anyway as I roll it into the factory power grid which at any given time has fluctuations depending upon how many machine tools are up and running(never 100%)plenty available to run as many gpu's as I would ever want.
But power is about to become pretty much irrelevant anyway with ASIC coming.
cncguru
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July 01, 2012, 08:27:36 AM
 #5

 
Yeah, that's the tedious part I was talking about,LOL

 Grin Grin Grin
rjk
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July 02, 2012, 03:12:35 PM
 #6

Mining does not use floating point operations, so that number is unfortunately useless to us. However..... check this out: http://bitcoinma.appspot.com/
That calculator will do a past analysis as well as a future analysis. I don't know how accurate it is for that, but it should help immensely.

Mining Rig Extraordinaire - the Trenton BPX6806 18-slot PCIe backplane [PICS] Dead project is dead, all hail the coming of the mighty ASIC!
DILLIGAF
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July 02, 2012, 07:04:54 PM
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You would also have to add in your power to the network if you assumed you were mining the whole time. Thus pushing up difficulty. This sorta thing is really hard to work out. Butterfly effect and all.

At its peak last year around the time he talks about the network was 15th/s his 15gh/s would have added 1/1000 to the network diff.
cncguru
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October 04, 2012, 02:33:19 PM
 #8

revisiting some old posts

@DILLIGAF

You obviously didn't bother reading past the OP because if you had you would have seen in post #3 that I was looking at "what I would have mined" back during a week in 2010 which I spent in a "crunching contest" for Milkyway@Home so I distinctly remembered how many gpu's I had at that time.

@ rjk

Thanks for the link to that little tool, it's way cool!


To the electricity cost comments...I have everything running in my factory absorbed into the 480v industrial grid= zero costs really.

And wow, I have retired since originally posting this!


 
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