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    Author Topic: [4+ EH] Slush Pool (slushpool.com); Overt AsicBoost; World First Mining Pool  (Read 4383297 times)

    • sgbullion
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    May 23, 2013, 02:03:49 PM
     #8681
    Quote from: goatmonkey on May 23, 2013, 11:24:19 AM
    Anyone else having issues with blockchain.info right now?


    nope keeps doing the same thing as always, confuses me and gives me a head ache no problem.  Huh

  • kanta
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    May 23, 2013, 02:05:52 PM
     #8682
    Quote from: vs3 on May 23, 2013, 09:05:25 AM
    Quote from: mrm0 on May 23, 2013, 08:23:49 AM
    Quote from: Lucko on May 23, 2013, 07:11:53 AM
    Anyone have experiences with those?

    https://bt.irlbtc.com/view/195540.60

    There are other group buys but I'm looking at this one since it is EU and relay low price.

    Hmm...

    Presently at Slush I get approx. 0.002BTC@~600MH/s at each block (averaged). We find around 16-18 blocks per day.
    Assuming I were to pay 2.2BTC for this usb 'block eruptor' I would be looking at:

    2.2 0.001 17 = 130 days to break-even, assuming network difficulty remains as-is, which it WILL NOT.

    Because estimates of rate of difficulty increase vary wildly I hesitate to _speculate_ further, but it seems to me that there is a possibility this buy will not pay for itself in a reasonable time frame.


    There are two more things to consider - let me use some examples:
    - I have 5850 cards which use about 80-85W to produce roughly 300MH (or say it the same as that USB key). Here is the USB key advantage - it uses 0.5W.
    - I got my cards at $120-150 each. Some are on dedicated mining rigs, some are used for gaming. At the end of the day I can sell those and recoup some of my investment.

    My observations about payout are similar to mrm0's - with one rig at 900MH/s my average is about B 0.035-0.04/day (depending on luck). Or it will pay itself off in about 160-200 days (at current difficulty levels).
    A GPU card (priced let's say 1.1BTC at current levels) making the same 300MH/sec minus price of electricity (2KW@$0.15=$0.3 or B0.0025) will bring you B 0.01/day or given the same presumptions will pay itself off in 100 days.
    So, after the same 200 days each of those cards will pay itself and bring me about $120-150 profit + I can sell the cards for let's say $75 = total profit $200/card.

    I'm over-simplifying it but you get the idea.

    Bottom line is - if you're just now entering the mining world it is probably not worth the money as there are better alternatives.

    EDIT: See this site for calculating the break-even duration: https://bitclockers.com/calc
    I agree. I just got into mining, and I even upgraded the GPU in my PC to a 7970 with the intent of mining faster than my GTX 670 could do. However, I didn't buy the card (nor assemble the computer) for the sole purpose of mining, and at the end of the day, I have a badass gaming rig that I can play any game maxed out, which is why I built my rig in the first place. I'm not worried about making my investment back, so long as I don't spend more on electricity than I make mining, which I am currently doing pretty good at (700 MH/s).  That and the 7970 came with 3 games that I had really been wanting to play.

  • ewitte
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    May 23, 2013, 03:59:50 PM
     #8683
    I don't mind the electrical usage where my main miner is but what gets me is the nightly AC shutoff.  I'm struggling to keep it stable at night now that summer is starting.
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  • pikeadz
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    May 23, 2013, 04:10:08 PM
     #8684
    Holy cow.  6 blocks in an hour yesterday... 4 blocks in the last hour.  Is this typical?  I've only been mining bitcoin for the past 5 days.  I am thinking this is not typical and it will even out with some unlucky days, but right now I am amazed at the returns I am getting in relation to the profitability calculator.

  • ewitte
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    May 23, 2013, 04:11:50 PM
     #8685
    Not typical but its a wide # I've seen less than 10 and more than 30.
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  • Lucko
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    May 23, 2013, 04:12:48 PM
     #8686
    Quote from: kanta on May 23, 2013, 02:05:52 PM
    Quote from: vs3 on May 23, 2013, 09:05:25 AM
    Quote from: mrm0 on May 23, 2013, 08:23:49 AM
    Quote from: Lucko on May 23, 2013, 07:11:53 AM
    Anyone have experiences with those?

    https://bt.irlbtc.com/view/195540.60

    There are other group buys but I'm looking at this one since it is EU and relay low price.

    Hmm...

    Presently at Slush I get approx. 0.002BTC@~600MH/s at each block (averaged). We find around 16-18 blocks per day.
    Assuming I were to pay 2.2BTC for this usb 'block eruptor' I would be looking at:

    2.2 0.001 17 = 130 days to break-even, assuming network difficulty remains as-is, which it WILL NOT.

    Because estimates of rate of difficulty increase vary wildly I hesitate to _speculate_ further, but it seems to me that there is a possibility this buy will not pay for itself in a reasonable time frame.


    There are two more things to consider - let me use some examples:
    - I have 5850 cards which use about 80-85W to produce roughly 300MH (or say it the same as that USB key). Here is the USB key advantage - it uses 0.5W.
    - I got my cards at $120-150 each. Some are on dedicated mining rigs, some are used for gaming. At the end of the day I can sell those and recoup some of my investment.

    My observations about payout are similar to mrm0's - with one rig at 900MH/s my average is about B 0.035-0.04/day (depending on luck). Or it will pay itself off in about 160-200 days (at current difficulty levels).
    A GPU card (priced let's say 1.1BTC at current levels) making the same 300MH/sec minus price of electricity (2KW@$0.15=$0.3 or B0.0025) will bring you B 0.01/day or given the same presumptions will pay itself off in 100 days.
    So, after the same 200 days each of those cards will pay itself and bring me about $120-150 profit + I can sell the cards for let's say $75 = total profit $200/card.

    I'm over-simplifying it but you get the idea.

    Bottom line is - if you're just now entering the mining world it is probably not worth the money as there are better alternatives.

    EDIT: See this site for calculating the break-even duration: https://bitclockers.com/calc
    I agree. I just got into mining, and I even upgraded the GPU in my PC to a 7970 with the intent of mining faster than my GTX 670 could do. However, I didn't buy the card (nor assemble the computer) for the sole purpose of mining, and at the end of the day, I have a badass gaming rig that I can play any game maxed out, which is why I built my rig in the first place. I'm not worried about making my investment back, so long as I don't spend more on electricity than I make mining, which I am currently doing pretty good at (700 MH/s).  That and the 7970 came with 3 games that I had really been wanting to play.
    Well I didn't ask if it is worth buying I asked if anyone have it. And there are errors in calculation. 5850 never uses only 80 to 85W. It uses 150W at stock and 165 to 191W at 300. Look at https://en.bitcoin.it/wiki/Mining_hardware_comparison There are some errors but you can notice them at once.

    And I know it is overpriced but this one you can get right away. I know I can get BFL 5.5 for 2BTC but when? This year? Next? I know I can get Block Erupter blade for 50BTC and the same Ghash rate with Block Erupter USB would cost 80BTC. I know that Block Erupter blade is also to expansive so USB is even more. But saying all that I don't have 50 BTC and I don't have money to buy them. And probebly with the same logic it doesn't pays out to have it. So this is cheap alternative to get ASIC. So it is not question if I will buy. It is only question if someone have it to report how it works?

  • valladex
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    May 23, 2013, 04:14:10 PM
     #8687
    lady luck is here.. yippee Smiley
    -and then the pools hashing power goes up and rewards go down.

  • Paulizei
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    May 23, 2013, 04:16:23 PM
     #8688
    Quote from: ewitte on May 23, 2013, 03:59:50 PM
    I don't mind the electrical usage where my main miner is but what gets me is the nightly AC shutoff.  I'm struggling to keep it stable at night now that summer is starting.
    Quote from: kanta on May 23, 2013, 02:05:52 PM
    I agree. I just got into mining, and I even upgraded the GPU in my PC to a 7970 with the intent of mining faster than my GTX 670 could do. However, I didn't buy the card (nor assemble the computer) for the sole purpose of mining, and at the end of the day, I have a badass gaming rig that I can play any game maxed out, which is why I built my rig in the first place. I'm not worried about making my investment back, so long as I don't spend more on electricity than I make mining, which I am currently doing pretty good at (700 MH/s).  That and the 7970 came with 3 games that I had really been wanting to play.

    That's why I love and hate our electricity Providers over here in Germany: It's stable as hell (and of course green [regional wind power only]) but they ask about 0.30$ per kWh!

    So in terms of ROI GPU mining does almost never pay...

  • ewitte
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    May 23, 2013, 04:19:43 PM
     #8689
    At 50BTC your around $5500 a bit steep for 10-14GH/s.  I wouldn't mind some kind of lite version maybe 2GH/s?  BTC in general is pretty bad right now for people just starting out.
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  • ewitte
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    May 23, 2013, 04:20:40 PM
     #8690
    Quote from: Paulizei on May 23, 2013, 04:16:23 PM

    That's why I love and hate our electricity Providers over here in Germany: It's stable as hell (and of course green [regional wind power only]) but they ask about 0.30$ per kWh!

    So in terms of ROI GPU mining does almost never pay...

    My main miner is at work I'm sure you can do the same in Germany Wink
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  • Paulizei
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    May 23, 2013, 04:23:27 PM
     #8691
    Quote from: ewitte on May 23, 2013, 04:20:40 PM
    Quote from: Paulizei on May 23, 2013, 04:16:23 PM

    That's why I love and hate our electricity Providers over here in Germany: It's stable as hell (and of course green [regional wind power only]) but they ask about 0.30$ per kWh!

    So in terms of ROI GPU mining does almost never pay...

    My main miner is at work I'm sure you can do the same in Germany Wink

    You're right! I'm already trying to do something like this... Wink

  • vs3
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    May 23, 2013, 04:36:28 PM
     #8692
    Quote from: Lucko on May 23, 2013, 04:12:48 PM
    5850 never uses only 80 to 85W. It uses 150W at stock and 165 to 191W at 300. Look at https://en.bitcoin.it/wiki/Mining_hardware_comparison

    I have 6 of those and I have checked with the kill-a-watt and I can assure you that this is exactly how much power they use.

    The rig that sits right next to me at the moment has two quad-core xeons, a bunch of hard drives and 3 of those cards. With all mining it currently uses 460-465W. When I stop the mining it uses 210-220W. One of the other rigs can barely run Solitaire but idles at 45W and goes to 215-220W during mining with two cards.

    Oh yeah - and if you trust that page the 5850 should be able to do >400MH/sec. That's a BS - unless you water-cool it and waaaay overclock it. I've undervoltaged them (0.950V), underclocked the memory (500MHz) and overclocked them a bit (775MHz) and they do exactly 305MH/s and are perfectly stable and cool at 65-68C. I guess I could squeeze out another 30-50MH but I have to overvoltage them which makes even more heat and consumes more power - what I gain in megahashes I'll pay in kilowatts.

    Let me know if you want pictures and screnshots.
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  • Lucko
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    May 23, 2013, 04:50:10 PM
    Last edit: May 23, 2013, 05:20:27 PM by Lucko
     #8693
    Quote from: vs3 on May 23, 2013, 04:36:28 PM
    Quote from: Lucko on May 23, 2013, 04:12:48 PM
    5850 never uses only 80 to 85W. It uses 150W at stock and 165 to 191W at 300. Look at https://en.bitcoin.it/wiki/Mining_hardware_comparison

    I have 6 of those and I have checked with the kill-a-watt and I can assure you that this is exactly how much power they use.

    The rig that sits right next to me at the moment has two quad-core xeons, a bunch of hard drives and 3 of those cards. With all mining it currently uses 460-465W. When I stop the mining it uses 210-220W. One of the other rigs can barely run Solitaire but idles at 45W and goes to 215-220W during mining with two cards.

    Oh yeah - and if you trust that page the 5850 should be able to do >400MH/sec. That's a BS - unless you water-cool it and waaaay overclock it. I've undervoltaged them (0.950V), underclocked the memory (500MHz) and overclocked them a bit (775MHz) and they do exactly 305MH/s and are perfectly stable and cool at 65-68C. I guess I could squeeze out another 30-50MH but I have to overvoltage them which makes even more heat and consumes more power - what I gain in megahashes I'll pay in kilowatts.
    Well my dose 395 stable but with 1 or 2 HW errors in 24 hours, 388 without errors and 410 for short time. And you need to buy a batter kill-a-wat or you didn't count in idle power.

    http://www.amd.com/us/products/desktop/graphics/ati-radeon-hd-5000/hd-5850/Pages/ati-radeon-hd-5850-overview.aspx#2

    EDIT: The only modification I made is Arctic silver thermal paste.

    EDIT2: Mem @75 Core @ 948(395)942(388)970(410) stock voltage.

  • KNK
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    May 23, 2013, 05:44:24 PM
     #8694
    Quote from: valladex on May 23, 2013, 04:14:10 PM
    lady luck is here.. yippee Smiley
    -and then the pools hashing power goes up and rewards go down.

    And again my Windows decided to sleep in the middles of the long block before that Sad

    18170   2013-05-23 14:45:45   3:00:18   24589717   150   0.00000000 ... after mining for 2h, but wasn't at home to awake it up.

    and i am back again for the long block - Current round duration:   1:23:40

    EDIT: bidding is open for me to let it go sleep again Smiley
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  • Paulizei
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    May 23, 2013, 05:57:06 PM
     #8695
    Quote from: KNK on May 23, 2013, 05:44:24 PM
    Quote from: valladex on May 23, 2013, 04:14:10 PM
    lady luck is here.. yippee Smiley
    -and then the pools hashing power goes up and rewards go down.

    And again my Windows decided to sleep in the middles of the long block before that Sad

    18170   2013-05-23 14:45:45   3:00:18   24589717   150   0.00000000 ... after mining for 2h, but wasn't at home to awake it up.

    and i am back again for the long block - Current round duration:   1:23:40

    EDIT: bidding is open for me to let it go sleep again Smiley

    This is hardly a Windows issue, if u set all paramters in Bios and Windows right (no sleep/Hibernation S1/S2/S3 power saving Modus at all).

    Do you have any 3rd Party software running (Toshiba, Lenovo, DELL Power Management Software for example)?

    P.S.: Windows (2000, XP, 7 and earlier) tends to have issues with falling into sleep mode or hibernation. Therefore the opposite seems quite strange to me...

  • KNK
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    May 23, 2013, 06:10:25 PM
    Last edit: May 23, 2013, 06:28:34 PM by KNK
     #8696
    It's Windows 8 machine running fine for weeks, but after the last restart (and some updates being installed automatically with it) - the miner stops even all lights are ON ... GPU fans stop, PSU is semi-passive, so no noise from it is normal = it went to sleep, i assume.
    After touching the mouse the fans start again (monitor is lit up), but not the mining until it is restarted.

    EDIT: BIOS not touched, no additional software - at least not power ralated or even running at the same time except miner
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  • ewitte
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    May 23, 2013, 06:39:03 PM
     #8697
    Quote from: KNK on May 23, 2013, 05:44:24 PM

    And again my Windows decided to sleep in the middles of the long block before that Sad

    18170   2013-05-23 14:45:45   3:00:18   24589717   150   0.00000000 ... after mining for 2h, but wasn't at home to awake it up.

    and i am back again for the long block - Current round duration:   1:23:40

    EDIT: bidding is open for me to let it go sleep again Smiley

    I've had two nights in a row where my main miner crashes and cgwatcher didn't restart until I hit ok on the windows error report lol.  Disabled it in the registry/gpedit hopefully fixes this.
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  • Trongersoll
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    May 23, 2013, 06:54:20 PM
     #8698
    I wish people would stop trying to take into account the resale value of their video cards when figuring return on investment. by the time that you get around to selling them, technology will have progressed to point where they will be obsolete, or the market will be so glutted that nobody will want them.

    Case in point. i planned on building a mining rig using one of two motherboards i have laying around unused. Bought the video card and then  looked at the motherboards.... um... AGP. ack. so now the rig will have a new motherboard and CPU as well, and a $400 investment turned into a $750 investment. fortunately, for me this is a hobby so set backs like this aren't too upsetting.

    a question on the MB though. it has 3 PCI-e slots, one is x16, one is x4 and one is x1. Can all 3 be used for video cards? will performance be affected? i'm not sure what the numbers mean.

  • kanta
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    May 23, 2013, 07:02:01 PM
     #8699
    Quote from: Lucko on May 23, 2013, 04:50:10 PM
    Quote from: vs3 on May 23, 2013, 04:36:28 PM
    Quote from: Lucko on May 23, 2013, 04:12:48 PM
    5850 never uses only 80 to 85W. It uses 150W at stock and 165 to 191W at 300. Look at https://en.bitcoin.it/wiki/Mining_hardware_comparison

    I have 6 of those and I have checked with the kill-a-watt and I can assure you that this is exactly how much power they use.

    The rig that sits right next to me at the moment has two quad-core xeons, a bunch of hard drives and 3 of those cards. With all mining it currently uses 460-465W. When I stop the mining it uses 210-220W. One of the other rigs can barely run Solitaire but idles at 45W and goes to 215-220W during mining with two cards.

    Oh yeah - and if you trust that page the 5850 should be able to do >400MH/sec. That's a BS - unless you water-cool it and waaaay overclock it. I've undervoltaged them (0.950V), underclocked the memory (500MHz) and overclocked them a bit (775MHz) and they do exactly 305MH/s and are perfectly stable and cool at 65-68C. I guess I could squeeze out another 30-50MH but I have to overvoltage them which makes even more heat and consumes more power - what I gain in megahashes I'll pay in kilowatts.
    Well my dose 395 stable but with 1 or 2 HW errors in 24 hours, 388 without errors and 410 for short time. And you need to buy a batter kill-a-wat or you didn't count in idle power.

    http://www.amd.com/us/products/desktop/graphics/ati-radeon-hd-5000/hd-5850/Pages/ati-radeon-hd-5850-overview.aspx#2

    EDIT: The only modification I made is Arctic silver thermal paste.

    EDIT2: Mem @75 Core @ 948(395)942(388)970(410) stock voltage.

    He said he undervolted his cards. I kind of wonder how much power I'm drawing from the wall.  I would assume it's in the mid to high 400 range, but I'm overclocked and over volted
    Quote from: Trongersoll on May 23, 2013, 06:54:20 PM
    I wish people would stop trying to take into account the resale value of their video cards when figuring return on investment. by the time that you get around to selling them, technology will have progressed to point where they will be obsolete, or the market will be so glutted that nobody will want them.

    Case in point. i planned on building a mining rig using one of two motherboards i have laying around unused. Bought the video card and then  looked at the motherboards.... um... AGP. ack. so now the rig will have a new motherboard and CPU as well, and a $400 investment turned into a $750 investment. fortunately, for me this is a hobby so set backs like this aren't too upsetting.

    a question on the MB though. it has 3 PCI-e slots, one is x16, one is x4 and one is x1. Can all 3 be used for video cards? will performance be affected? i'm not sure what the numbers mean.
    Yeah, I don't know too many gamers that would be interested in 5xxx series cards now, since 7xxx cover the entire spectrum of price/performance and 9xxx series are due by the end of the year.

    As for the slots, the x1 slot is shorter than the other slots so you'd need a workaround for that with a riser or an extender or something

  • vs3
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    May 23, 2013, 07:03:36 PM
     #8700
    Quote from: Trongersoll on May 23, 2013, 06:54:20 PM
    a question on the MB though. it has 3 PCI-e slots, one is x16, one is x4 and one is x1. Can all 3 be used for video cards? will performance be affected? i'm not sure what the numbers mean.

    what the numbers mean - http://en.wikipedia.org/wiki/PCI_Express. Basically this is is the length of the slot and and for video cards you need x16.

    Can all 3 be used? - Possibly, but it really depends on the video card, AND you have to either use extender/adapter cables or cut the video card. And some cards are picky and work only in X16 and won't work on an X8 or X4 or X1 slot.

    Bottom line - you can count on one card for sure, and the other two - in the x4 and x1 slots - probably not (or at least not easily).
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