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Author Topic: [2.5+ EH] Slush Pool (slushpool.com); World's First Mining Pool  (Read 4327348 times)
valladex
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June 12, 2013, 03:08:15 PM
 #10021

@ the current rate even newbies couldn't afford enough ASIC to mine sufficiently, what good is a £300 4.5GH/s K16 when it will be no more profitable than an nvidia gpu would be against AMD gpu. x10 k16 boards might get something but not enough to justify the 3k spent on equipment, no newbies will mean no widespread use of Bitcoin, no widespread use means the end of something very promising. ASIC...the Rothschild of cryptocurrency.
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biz
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June 12, 2013, 03:25:01 PM
 #10022

Approx. cluster performance (30 min average): 18053.110 Ghash/s. It's getting crazy...

BTC: 1P4BnRN5REdNhQXQWs6ySbPVMdbTKd4dkN
Tamis
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June 12, 2013, 03:30:21 PM
 #10023

I have created a spread sheet with future prediction on difficulty, network hash rate and mining device profitability..Hope it helps everyone.
If any mistake found, please let me know...
https://bitcointalk.org/index.php?topic=232670.0
https://docs.google.com/spreadsheet/ccc?key=0AjEbQ5LBKsAEdDYtajZTMi1Ua0ZkUXR0X0NKSnVaSXc&usp=sharing

This shows clearly not to invest !

thx Smiley
valladex
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June 12, 2013, 03:54:07 PM
 #10024

Time to abandon Bitcoin full stop unless your rich, a banker invested business or funded by mummy and daddy. (joking) entire rigs have been wiped out in hours, value is dropping, why bother? the only hope is that they are worth a huge amount in 5 years or so because people are not going to be attracted by this lunacy, only deterred.
iFA88
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June 12, 2013, 04:16:42 PM
 #10025

Since I have a farm of GPUs I am planning on switch to Litecoin by the end of this summer while my FPGAs and ASICs (Block Erupter) with continue to mine bitcoin.

For me, the LTC and BTC mining reward is below as my electricity cost.

Multicurrency webwallet: https://www.fusionwallet.io
bspurloc
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June 12, 2013, 04:36:58 PM
 #10026

Great I added 10 USB ASIC about a week ago and now I am back down to 0.015 a block again. :S meh

10 is only 3gh/s?? which would have been around .0055x a block so u must have 6gh/s from other stuff?

Yes I have other miners as well many GPUs and a couple FPGAs about 12 GH/s.

Check it out the drop....... Hope we find more blocks faster today.

18532   2013-06-12 14:08:00   1:24:34   20677521   13461   0.01596740   241124   25.54674000    99 confirmations left
18531   2013-06-12 12:43:26   3:23:57   44489992   32372   0.01627375   241115   25.10480000    90 confirmations left

======================================== about 4 TH/s added (When I woke up)================================================

18530   2013-06-12 09:19:29   0:53:55   9964643   8469   0.02082003   241092   25.07820010    67 confirmations left
18529   2013-06-12 08:25:34   0:15:30   2867723   2438   0.02142909   241080   25.24704812    55 confirmations left

nice! the power sad the loss!
grrr.... I have another miner in the mail! taking the long route
PrintMule
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June 12, 2013, 04:38:07 PM
 #10027

Odd that even though our hash rate is up, we don't seem to be finding blocks much faster.

I get that feeling too, it's like extra hash power only dwindles rewards, while not adding speed.
Recentlywe dropped back to 12th/s and luck was very good.

It's like those latest additions are doing empty work / pretend to be working.

Yes, I know that sounds dumb, but still.

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bspurloc
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June 12, 2013, 04:40:39 PM
 #10028

Time to abandon Bitcoin full stop unless your rich, a banker invested business or funded by mummy and daddy. (joking) entire rigs have been wiped out in hours, value is dropping, why bother? the only hope is that they are worth a huge amount in 5 years or so because people are not going to be attracted by this lunacy, only deterred.

Ebay will be flooded with CHEAP 79x 78x etc video cards soon!! win win for gamers haha...
bspurloc
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June 12, 2013, 04:42:20 PM
 #10029

Odd that even though our hash rate is up, we don't seem to be finding blocks much faster.

I get that feeling too, it's like extra hash power only dwindles rewards, while not adding speed.
Recentlywe dropped back to 12th/s and luck was very good.

It's like those latest additions are doing empty work / pretend to be working.

Yes, I know that sounds dumb, but still.

The increase isnt enough to exceed the decrease in shared rewards.
try mining btcguild where 50+ blocks a day are mined but your reward is a 10nth of here or worse
gmerk
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June 12, 2013, 04:44:53 PM
 #10030


I get that feeling too, it's like extra hash power only dwindles rewards, while not adding speed.
Recentlywe dropped back to 12th/s and luck was very good.

It's like those latest additions are doing empty work / pretend to be working.

Yes, I know that sounds dumb, but still.

Not dumb at all...

Edit: A golden spot at pool hashrate maybe...?
valladex
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June 12, 2013, 04:48:21 PM
 #10031

Time to abandon Bitcoin full stop unless your rich, a banker invested business or funded by mummy and daddy. (joking) entire rigs have been wiped out in hours, value is dropping, why bother? the only hope is that they are worth a huge amount in 5 years or so because people are not going to be attracted by this lunacy, only deterred.

Ebay will be flooded with CHEAP 79x 78x etc video cards soon!! win win for gamers haha...

must admit, i did see this as a way to get a nice gaming/rendering rig without the missus complaining, just showed her some cash generated from Bitcoin and she was happy!  Wink
vs3
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June 12, 2013, 04:59:08 PM
 #10032

Throwing 250-300 mhash/s

Is that with a HD 5850 ?

yes, I'd either be mining or doing other stuff so overall electrical usage is negligible.

My HD5850 started stock at 260mh/s and is now running at 391mh/s Wink
Oc it !

Out of curiosity - how did you get the 5850 to 391MH/s? What's the voltage and GPU frequencies? And what software do you use and how many watts does it use?
I've found mine to be quite stable when undervoltaged to 0.975-0.987 and GPU at 775-785MHz (which results in 305-308MH/s). On the good side - power usage is pretty decent - 675W with 5 of them mining.

TObject
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June 12, 2013, 05:02:47 PM
 #10033

Odd that even though our hash rate is up, we don't seem to be finding blocks much faster.

I get that feeling too, it's like extra hash power only dwindles rewards, while not adding speed.
Recentlywe dropped back to 12th/s and luck was very good.

It's like those latest additions are doing empty work / pretend to be working.

Yes, I know that sounds dumb, but still.

Is it possible for someone to submit fake shares? The pool does not check every single share for validity, or does it?
Trongersoll
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June 12, 2013, 05:06:21 PM
 #10034

Odd that even though our hash rate is up, we don't seem to be finding blocks much faster.

I get that feeling too, it's like extra hash power only dwindles rewards, while not adding speed.
Recentlywe dropped back to 12th/s and luck was very good.

It's like those latest additions are doing empty work / pretend to be working.

Yes, I know that sounds dumb, but still.

Is it possible for someone to submit fake shares? The pool does not check every single share for validity, or does it?

The pool would have to check every share because in software anything can be done on the mining end.
KNK
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June 12, 2013, 05:07:39 PM
 #10035

Is it possible for someone to submit fake shares? The pool does not check every single share for validity, or does it?

Only Slush can confirm that, but 99.99% guarantee, that each one is checked and not only if it's valid, but also if its duplicate or you can just send the same share twice or send diff 1 share while pretending to mine at diff 5

Mega Crypto Polis - www.MegaCryptoPolis.com
BTC tips: 1KNK1akhpethhtcyhKTF2d3PWTQDUWUzHE
Lucko
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June 12, 2013, 05:22:39 PM
 #10036

Throwing 250-300 mhash/s

Is that with a HD 5850 ?

yes, I'd either be mining or doing other stuff so overall electrical usage is negligible.

My HD5850 started stock at 260mh/s and is now running at 391mh/s Wink
Oc it !

Out of curiosity - how did you get the 5850 to 391MH/s? What's the voltage and GPU frequencies? And what software do you use and how many watts does it use?
I've found mine to be quite stable when undervoltaged to 0.975-0.987 and GPU at 775-785MHz (which results in 305-308MH/s). On the good side - power usage is pretty decent - 675W with 5 of them mining.
This can be easily done at stock voltage mem@150 core@840. You only need to replace cooling paste with Arctic silver. Usage is about 180... And I have tested your settings. I think you need batter kill-a-watt. I can't make it run with the usage that you reported last time... It uses about 120W+. If I remember correct you reported 85W.
Tamis
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June 12, 2013, 05:35:53 PM
 #10037

Out of curiosity - how did you get the 5850 to 391MH/s? What's the voltage and GPU frequencies? And what software do you use and how many watts does it use?
I've found mine to be quite stable when undervoltaged to 0.975-0.987 and GPU at 775-785MHz (which results in 305-308MH/s). On the good side - power usage is pretty decent - 675W with 5 of them mining.

Voltage : 1.199v
gpu : 950
mem : 350 (this is the "sweet spot" higher or lower will not give as much mh/s)

It's a sapphire and I use Trixx.

I just lowered it a bit at 381mh/s with a voltage of 1.162 and gpu at 920 to have less fan noise. I have instruments to measure the power usage but i'm at work so I don't care Wink


This can be easily done at stock voltage mem@150 core@840. You only need to replace cooling paste with Arctic silver. Usage is about 180... And I have tested your settings. I think you need batter kill-a-watt. I can't make it run with the usage that you reported last time... It uses about 120W+. If I remember correct you reported 85W.

That won't give you 391mh/s at all more like 330.
mteachx
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June 12, 2013, 05:38:37 PM
 #10038

Wow
9h and 12k go to 17k Ghash/s ?!

Asic coming, yesyesyes ..
vs3
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June 12, 2013, 05:57:41 PM
 #10039

Throwing 250-300 mhash/s

Is that with a HD 5850 ?

yes, I'd either be mining or doing other stuff so overall electrical usage is negligible.

My HD5850 started stock at 260mh/s and is now running at 391mh/s Wink
Oc it !

Out of curiosity - how did you get the 5850 to 391MH/s? What's the voltage and GPU frequencies? And what software do you use and how many watts does it use?
I've found mine to be quite stable when undervoltaged to 0.975-0.987 and GPU at 775-785MHz (which results in 305-308MH/s). On the good side - power usage is pretty decent - 675W with 5 of them mining.
This can be easily done at stock voltage mem@150 core@840. You only need to replace cooling paste with Arctic silver. Usage is about 180... And I have tested your settings. I think you need batter kill-a-watt. I can't make it run with the usage that you reported last time... It uses about 120W+. If I remember correct you reported 85W.

Yup - idle wattage (with just 1 video card) is around 180-190W and with all 5 it is around 220-230. On full load it is 660-680 (depending on room temperature) -
which makes 305MH/s:

So - my calculations say that it's 90-95W per card currently. (and I had to move them to another room that's not airconditioned so everything is running a bit hotter).

Lucko
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June 12, 2013, 06:12:32 PM
 #10040


This can be easily done at stock voltage mem@150 core@840. You only need to replace cooling paste with Arctic silver. Usage is about 180... And I have tested your settings. I think you need batter kill-a-watt. I can't make it run with the usage that you reported last time... It uses about 120W+. If I remember correct you reported 85W.

That won't give you 391mh/s at all more like 330.
Right you are. I was looking at the wrong cart it is 940...
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