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Author Topic: 1GH/s, 20w, $700 (was $500) — Butterflylabs, is it for real? (Part 2)  (Read 138693 times)
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February 14, 2012, 04:32:11 AM
 #1301


Inaba, glad to see you're the first with one of these things; you put in a lot of your time for our benefit. If I may ask, what O/S and what mining software are you running it with (I think Fred0 was wondering about this as well)? I understand that ufasoft and cgminer claim bitforce support, and I'm not sure what software these will ship with.

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February 14, 2012, 04:55:56 AM
 #1302


I've been watching this thing ever since it went online. I noticed it quickly stabilized at around 830-850 Mhps, but once it submitted about 600-650 shares, its speed dropped to around 750-770 Mhps and it has remained at this low speed for at least the past 10 minutes (shares as I type this are 787 shares, speed 758Mhps).

Is this one of the prototype units, the one with the power problems, or is this a production unit representative of what will ship? Any idea why the sustained speed drop after 20 minutes or so of operation? Thermal throttling? It is worrisome.

EDIT: false alarm.

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February 14, 2012, 05:00:33 AM
 #1303


I've been watching this thing ever since it went online. I noticed it quickly stabilized at around 830-850 Mhps, but once it submitted about 600-650 shares, its speed dropped to around 750-770 Mhps and it has remained at this low speed for at least the past 10 minutes (shares as I type this are 787 shares, speed 758Mhps).

Is this one of the prototype units, the one with the power problems, or is this a production unit representative of what will ship? Any idea why the sustained speed drop after 20 minutes or so of operation? Thermal throttling? It is worrisome.



Yeah, an average hash figure would be nice, at least just for this first test.   Poor old Inaba, he's going to get pestered so much over this until the rest arrive Cheesy

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February 14, 2012, 05:07:26 AM
 #1304

at least people are now asking him reasonable question and not attacking him personally.

Yes, well hopefully he has those people on ignore.    Thanks for the link Inaba!
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February 14, 2012, 05:09:48 AM
 #1305

IT LIVES!!!!

Operation "replace the 6 GPU's in my office" might have to be undertaken.....

I am a trusted trader!  Ask Inaba, Luo Demin, Vanderbleek, Sannyasi, Episking, Miner99er, Isepick, Amazingrando, Cablez, ColdHardMetal, Dextryn, MB300sd, Robocoder, gnar1ta$ and many others!
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February 14, 2012, 05:20:35 AM
 #1306

at least people are now asking him reasonable question and not attacking him personally.

i hope he takes all the time he needs to reply, after seeing all the bullshit and abuse directed toward him since he did the initial testing.

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February 14, 2012, 05:37:37 AM
 #1307

Awesome Inaba Grin

Looking forward to your review Cool

This is what I've been waiting for  Wink

"If you run into an asshole in the morning, you ran into an asshole. If you run into assholes all day long, you are the asshole."  -Raylan Givens
Got GOXXED ?? https://www.youtube.com/watch?v=9KiqRpPiJAU&feature=youtu.be
"An ASIC being late is perfectly normal, predictable, and legal..."Hashfast & BFL slogan Smiley
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February 14, 2012, 05:45:46 AM
 #1308


I've been watching this thing ever since it went online. I noticed it quickly stabilized at around 830-850 Mhps, but once it submitted about 600-650 shares, its speed dropped to around 750-770 Mhps and it has remained at this low speed for at least the past 10 minutes (shares as I type this are 787 shares, speed 758Mhps).

Is this one of the prototype units, the one with the power problems, or is this a production unit representative of what will ship? Any idea why the sustained speed drop after 20 minutes or so of operation? Thermal throttling? It is worrisome.

We're down to 715Mhps @ 1308 shares now. Not looking good. That's even outside BFL's claimed +/-10% variance (I was hoping for +10% myself).  Undecided

EDIT: false alarm.

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February 14, 2012, 05:50:35 AM
 #1309


I've been watching this thing ever since it went online. I noticed it quickly stabilized at around 830-850 Mhps, but once it submitted about 600-650 shares, its speed dropped to around 750-770 Mhps and it has remained at this low speed for at least the past 10 minutes (shares as I type this are 787 shares, speed 758Mhps).

Is this one of the prototype units, the one with the power problems, or is this a production unit representative of what will ship? Any idea why the sustained speed drop after 20 minutes or so of operation? Thermal throttling? It is worrisome.

We're down to 715Mhps @ 1308 shares now. Not looking good. That's even outside BFL's claimed +/-10% variance (I was hoping for +10% myself).  Undecided

Depends when you look at it.  Right now it's 777Mh.   That's just the way it works unfortunately as the hashrate is worked out by the number of shares submitted within a certain time.  It's not all that accurate at the best of times.

That's why an average is handy.    

EDIT:  Now it's 858Mh.    Don't get all worked up by the displayed hashrate on a pool site.   Even cgminer is flaky like that with GPU's, but the average displays a more useful figure.
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February 14, 2012, 05:54:05 AM
 #1310


I've been watching this thing ever since it went online. I noticed it quickly stabilized at around 830-850 Mhps, but once it submitted about 600-650 shares, its speed dropped to around 750-770 Mhps and it has remained at this low speed for at least the past 10 minutes (shares as I type this are 787 shares, speed 758Mhps).

Is this one of the prototype units, the one with the power problems, or is this a production unit representative of what will ship? Any idea why the sustained speed drop after 20 minutes or so of operation? Thermal throttling? It is worrisome.

We're down to 715Mhps @ 1308 shares now. Not looking good. That's even outside BFL's claimed +/-10% variance (I was hoping for +10% myself).  Undecided

Depends when you look at it.  Right now it's 777Mh.   That's just the way it works unfortunately as the hashrate is worked out by the number of shares submitted within a certain time.  It's not all that accurate at the best of times.

If Ianab has the start time we could look at total shares / total time to get more accurate "runtime" hashrate.  Of course anyone could it themselves by simply taking a time stamp and the share count and then check it again in 2, 8, 24 hours.

Quote
shares since reset 1414  @ 2012-02-14 05:52:46 (UTC)
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February 14, 2012, 07:08:20 AM
 #1311

Now I can buy all your 5970's for cheap. You can spend the big bucks on these things..
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February 14, 2012, 07:13:14 AM
 #1312

If Ianab has the start time we could look at total shares / total time to get more accurate "runtime" hashrate.  Of course anyone could it themselves by simply taking a time stamp and the share count and then check it again in 2, 8, 24 hours.
Quote
shares since reset 1414  @ 2012-02-14 05:52:46 (UTC)

2252 shares at 7:08 UTC. That's 838 shares in 4560 seconds, or 789 +/- 27 MH/s. Let's see what it is in another hour.

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February 14, 2012, 07:24:07 AM
 #1313

Now I can buy all your 5970's for cheap. You can spend the big bucks on these things..

Man does not live by bread alone. And on the seventh day GOD created Half-Life 2!

I wish GOD would create Half Life 3, maybe then it will actually become a reality. But this may explain it: http://i.imgur.com/bUUke.png

Now for something more on-topic. Does anyone know if the current price on their website is here to stay or if they will raise it as soon as they smell the money?

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February 14, 2012, 01:52:03 PM
 #1314

If Ianab has the start time we could look at total shares / total time to get more accurate "runtime" hashrate.  Of course anyone could it themselves by simply taking a time stamp and the share count and then check it again in 2, 8, 24 hours.

Quote
shares since reset 1414  @ 2012-02-14 05:52:46 (UTC)


update:
Quote
shares since reset 6748 @ 2012-02-14 13:42:12 (UTC)

So if my calculus is right.

7 hours, 49 minutes, 24 seconds later = 28164 seconds.

6748-1414 = 5334 shares
5334 shares * 2^32 hashes per share = 2.29094E+13 hashes
2.29094E+13 hashes / 28,164 seconds =  813426912 hashes / s
813426912.3 hashes/s   / 1000^2 = 813 MH/s

Right?  If so looking good for first 8 hours.



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February 14, 2012, 02:00:57 PM
 #1315

Where is the RIG BOX anyone Grin
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February 14, 2012, 03:12:10 PM
 #1316

My home internet connection is being a bastard, so I'm getting some timeouts to the pool which is affecting the hashrate and the displayed rate it will be lower than actual hashrate,  In retrospect, I probably should have put it in the datacenter, but then I wouldn't have been able to get pictures and such.  

I'm calling Time Warner today to ask them WTF is up.

Numbers and other stuff will be coming tonight.

If you're searching these lines for a point, you've probably missed it.  There was never anything there in the first place.
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February 14, 2012, 03:48:26 PM
 #1317

If Ianab has the start time we could look at total shares / total time to get more accurate "runtime" hashrate.  Of course anyone could it themselves by simply taking a time stamp and the share count and then check it again in 2, 8, 24 hours.

Quote
shares since reset 1414  @ 2012-02-14 05:52:46 (UTC)


update:
Quote
shares since reset 6748 @ 2012-02-14 13:42:12 (UTC)

So if my calculus is right.

7 hours, 49 minutes, 24 seconds later = 28164 seconds.

6748-1414 = 5334 shares
5334 shares * 2^32 hashes per share = 2.29094E+13 hashes
2.29094E+13 hashes / 28,164 seconds =  813426912 hashes / s
813426912.3 hashes/s   / 1000^2 = 813 MH/s

Right?  If so looking good for first 8 hours.
I have an older data point that I used. 02/14/2012 04:51:26 UTC was 741 shares. Using that point, I get about 803.5 MH/s.

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February 14, 2012, 03:50:31 PM
 #1318

If Ianab has the start time we could look at total shares / total time to get more accurate "runtime" hashrate.  Of course anyone could it themselves by simply taking a time stamp and the share count and then check it again in 2, 8, 24 hours.

Quote
shares since reset 1414  @ 2012-02-14 05:52:46 (UTC)


update:
Quote
shares since reset 6748 @ 2012-02-14 13:42:12 (UTC)

So if my calculus is right.

7 hours, 49 minutes, 24 seconds later = 28164 seconds.

6748-1414 = 5334 shares
5334 shares * 2^32 hashes per share = 2.29094E+13 hashes
2.29094E+13 hashes / 28,164 seconds =  813426912 hashes / s
813426912.3 hashes/s   / 1000^2 = 813 MH/s

Right?  If so looking good for first 8 hours.
I have a older data point that I used. 02/14/2012 04:51:26 UTC was 741 shares. Using that point, I get about 803.5 MH/s.

Nice.  Will be interesting to look at 24 hour run.  Was hoping BFL would let Inaba do that 3 months ago.  Will be nice to finally see a solid 24 hours "in the real world".

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February 14, 2012, 04:17:08 PM
 #1319

Power draw?

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February 14, 2012, 04:22:34 PM
 #1320

Money to burn! Lets all show Inaba our appreciation by sending a BTC his way. Altruism is a good idea.

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