Trongersoll
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August 03, 2013, 12:05:22 AM |
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How comes BTC are only 3 times bigger, yet find a massive order of magnitude more blocks more regularly?
Variance is big, even for large pools. Also...your data from BTC Guild is significantly out of order. BTC Guild's average block solve time is ~30-45 minutes. Slush's is ~2 hours (doing rough math). That is *average* time. Both pools have rounds lasting seconds/a few minutes, or multiple hours. Slush for the last month has averaged about 1:23:04 per block. The last 14 days has been about 1:25:09. Just FYI; I keep track. good to know, long blocks are just frustrating.
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drewage
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Activity: 262
Merit: 10
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August 03, 2013, 02:36:37 AM |
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Anybody thinking this block is a little light?
19421 2013-08-03 01:52:48 7:09:54 160946644 22010 0.00193569 249905 25.17464593 92 confirmations left
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thebrit
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Activity: 168
Merit: 100
Make the Bitcoin, don't let the Bitcoin make you.
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August 03, 2013, 02:48:03 AM |
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Anybody thinking this block is a little light?
19421 2013-08-03 01:52:48 7:09:54 160946644 22010 0.00193569 249905 25.17464593 92 confirmations left
Concur: 19421 2013-08-03 01:52:48 7:09:54 160946644 3904704 0.34637969 249905 25.17464593 90 confirmations left This is half the production of my previous 20 blocks... and the estimated reward for the next block .... anyone?
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bitzip
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Merit: 0
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August 03, 2013, 02:50:05 AM |
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Anybody thinking this block is a little light?
19421 2013-08-03 01:52:48 7:09:54 160946644 22010 0.00193569 249905 25.17464593 92 confirmations left
It seems light to me also. Almost half what I usually average.
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angryrob
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August 03, 2013, 03:07:05 AM |
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yep, light on my end too. hope it gets a recalc sometime.
hope we get some freakin better luck sometime too... lol
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bspurloc
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August 03, 2013, 03:31:26 AM |
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19421 2013-08-03 01:52:48 7:09:54 160946644 25325 0.00213075 249905 25.17464593 86 confirmations left
yeah totally wrong
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bigbeninlondon
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August 03, 2013, 03:49:26 AM |
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That's my third low block today. First one got fixed just before confirmation; second on is height 249854, although that one may have seen some downtime on my miners. Either way, bummer to see 3x in one day.
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NoDisco
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Merit: 10
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August 03, 2013, 07:57:11 AM |
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Variance is big, even for large pools. Also...your data from BTC Guild is significantly out of order.
How is it out of order? The times are in the order when the blocks finish. I looked over the last 100 blocks and there was only 1 block out of 100 that took over 1 hour to be found. So the variance seems very small to me - they have multiple blocks finishing per hour all day long.
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eleuthria
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Activity: 1750
Merit: 1007
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August 03, 2013, 08:10:06 AM |
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Variance is big, even for large pools. Also...your data from BTC Guild is significantly out of order.
How is it out of order? The times are in the order when the blocks finish. I looked over the last 100 blocks and there was only 1 block out of 100 that took over 1 hour to be found. So the variance seems very small to me - they have multiple blocks finishing per hour all day long. It looks like you clicked the date/time column to sort for your copy+paste. The sorting on the column isn't aware of context (notice the switching between AM and PM on the timestamps). Sort by block ID to get the proper order. BTC Guild has long blocks daily (I would know, I run it). The difference is, a LONG block for BTC Guild is ~2 hours. An abnormally unlucky round (something you would only expect to see every 500-1000 blocks) would be 4 hours.
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RIP BTC Guild, April 2011 - June 2015
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willinliv
Newbie
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Activity: 26
Merit: 0
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August 03, 2013, 08:32:52 AM |
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Anybody thinking this block is a little light?
19421 2013-08-03 01:52:48 7:09:54 160946644 22010 0.00193569 249905 25.17464593 92 confirmations left
I think I lucked out with that one - highest earnings on a single round so far for me! Thank you for your donations: 19423 2013-08-03 06:15:47 2:28:32 54379598 4192 0.00211264 249940 25.44683309 86 confirmations left 19422 2013-08-03 03:47:15 1:54:27 42104601 3140 0.00178380 249923 25.05371000 69 confirmations left 19421 2013-08-03 01:52:48 7:09:54 160946644 11999 0.00971988 249905 25.17464593 51 confirmations left 19420 2013-08-02 18:42:54 0:02:03 759065 68 0.00217892 249855 25.08682056 1 confirmations left
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angryrob
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August 03, 2013, 08:49:33 AM |
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my score reset right before 19425 ended, hoping that one and 19421 both get a recalc before they are confirmed.
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kabopar
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August 03, 2013, 08:53:24 AM |
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Anybody thinking this block is a little light?
19421 2013-08-03 01:52:48 7:09:54 160946644 22010 0.00193569 249905 25.17464593 92 confirmations left
I think I lucked out with that one - highest earnings on a single round so far for me! Thank you for your donations: 19423 2013-08-03 06:15:47 2:28:32 54379598 4192 0.00211264 249940 25.44683309 86 confirmations left 19422 2013-08-03 03:47:15 1:54:27 42104601 3140 0.00178380 249923 25.05371000 69 confirmations left 19421 2013-08-03 01:52:48 7:09:54 160946644 11999 0.00971988 249905 25.17464593 51 confirmations left 19420 2013-08-02 18:42:54 0:02:03 759065 68 0.00217892 249855 25.08682056 1 confirmations left at least someone benefits from our losses....
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angryrob
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August 03, 2013, 09:00:00 AM |
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hmmm 19425 fixed and normal for me now.
wonder what is up with 19421. I'd almost say it was just my own bad luck (variance) but so many other people also posted about it. oh well, i'm not ganna sweat about 1 round being a bit low.
19419 was invalid tho? just noticed this. super bummer. i had a pretty nice reward on that one too lol
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gravitate
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Merit: 1000
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August 03, 2013, 09:15:49 AM Last edit: August 03, 2013, 09:51:39 AM by gravitate |
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Name ID Temp MH/s Accept Reject Error Utility Last Share Time AMU 0 0 335.66 258 0 35 0.29 21:03:55 AMU 1 0 335.72 269 1 54 0.3 21:11:22 AMU 2 0 335.57 266 1 32 0.3 21:10:29 AMU 3 0 335.98 281 2 34 0.31 21:10:37 AMU 4 0 335.71 245 0 39 0.27 21:07:18 AMU 5 0 335.93 269 0 45 0.3 21:11:54 AMU 6 0 335.95 269 1 45 0.3 21:11:50 AMU 7 0 335.72 256 1 42 0.28 21:10:09 AMU 8 0 335.77 252 0 40 0.28 21:07:05 AMU 9 0 348.97 22 2 1922 0.02 21:06:55 AMU 10 0 335.97 261 0 42 0.29 21:12:26 AMU 11 0 335.57 248 1 46 0.28 21:12:40 Totals 12 4042.52 2896 9 2376 3.22
I seem to be getting a lot of errors. Is this normal?
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To peel or not to peel.
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chunglam
Donator
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Activity: 229
Merit: 106
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August 03, 2013, 09:25:00 AM |
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hmmm 19425 fixed and normal for me now.
wonder what is up with 19421. I'd almost say it was just my own bad luck (variance) but so many other people also posted about it. oh well, i'm not ganna sweat about 1 round being a bit low.
19419 was invalid tho? just noticed this. super bummer. i had a pretty nice reward on that one too lol
Same here for #19421, only 60% of average reward per round and my connection to pool for that round should be same as usual. 19421 2013-08-03 01:52:48 7:09:54 160946644 265926 0.02419936 249905 25.17464593 43 confirmations left
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gravitate
Legendary
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Activity: 1372
Merit: 1000
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August 03, 2013, 09:52:19 AM |
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ps i am a noob. Do my stats look normal?
Name ID Temp MH/s Accept Reject Error Utility Last Share Time AMU 0 0 335.66 258 0 35 0.29 21:03:55 AMU 1 0 335.72 269 1 54 0.3 21:11:22 AMU 2 0 335.57 266 1 32 0.3 21:10:29 AMU 3 0 335.98 281 2 34 0.31 21:10:37 AMU 4 0 335.71 245 0 39 0.27 21:07:18 AMU 5 0 335.93 269 0 45 0.3 21:11:54 AMU 6 0 335.95 269 1 45 0.3 21:11:50 AMU 7 0 335.72 256 1 42 0.28 21:10:09 AMU 8 0 335.77 252 0 40 0.28 21:07:05 AMU 9 0 348.97 22 2 1922 0.02 21:06:55 AMU 10 0 335.97 261 0 42 0.29 21:12:26 AMU 11 0 335.57 248 1 46 0.28 21:12:40 Totals 12 4042.52 2896 9 2376 3.22
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To peel or not to peel.
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aurel57
Legendary
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Activity: 1246
Merit: 1000
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August 03, 2013, 10:25:29 AM |
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ps i am a noob. Do my stats look normal?
Name ID Temp MH/s Accept Reject Error Utility Last Share Time AMU 0 0 335.66 258 0 35 0.29 21:03:55 AMU 1 0 335.72 269 1 54 0.3 21:11:22 AMU 2 0 335.57 266 1 32 0.3 21:10:29 AMU 3 0 335.98 281 2 34 0.31 21:10:37 AMU 4 0 335.71 245 0 39 0.27 21:07:18 AMU 5 0 335.93 269 0 45 0.3 21:11:54 AMU 6 0 335.95 269 1 45 0.3 21:11:50 AMU 7 0 335.72 256 1 42 0.28 21:10:09 AMU 8 0 335.77 252 0 40 0.28 21:07:05 AMU 9 0 348.97 22 2 1922 0.02 21:06:55 AMU 10 0 335.97 261 0 42 0.29 21:12:26 AMU 11 0 335.57 248 1 46 0.28 21:12:40 Totals 12 4042.52 2896 9 2376 3.22
I take it you have USB Eruptors? what kind of hub are you using? Port 9 is way off...if the power supply is right and cooling I only see less than 1% error on mine. So all yours seem to have a high error rate and like I said port 9 is way off. I also hope #19421 gets fixed.
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gourmet
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August 03, 2013, 10:47:21 AM |
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Rookie question:
I have 9 of the Block Erupter USB sticks hashing all on the same rig, which averages about 3 Gh/s. Should I set the difficulty for the worker to 2, since the total hashing power is over 2 Gh/s, or should I keep it at one, since each stick only has 335 Mh/s of power?
Keep at 1, else endless discarded. ? I've always believed that the rig should behave like one worker with combined power. Is there any reason for discarded shares other than bad configuration/setting?
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cosurgi
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August 03, 2013, 10:48:53 AM |
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hmmm 19425 fixed and normal for me now.
wonder what is up with 19421. I'd almost say it was just my own bad luck (variance) but so many other people also posted about it. oh well, i'm not ganna sweat about 1 round being a bit low.
19419 was invalid tho? just noticed this. super bummer. i had a pretty nice reward on that one too lol
I confirm, 19421 is wrong.
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gourmet
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August 03, 2013, 10:57:44 AM |
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I do not think it is very difficult. The value of each share you submit is calculated with the following formula: score share = exp(t/C) where t is round duration in seconds, and C is a constant, currently 200. This means the value of each share is exponentially growing, so old share have significantly lower value compared to recent shares. So if you stop mining while others don't, your part of total pool score for that round will decrease exponentially. You can read the original post about this reward calculation method here: https://bitcointalk.org/index.php?topic=1976.msg50002#msg50002. Additionally, based on measurement I have found that each hour, t is reset to zero and your score is divided by exp(3600/C). This is probably to prevent an arithmetic overflow (see http://en.wikipedia.org/wiki/Arithmetic_overflow). Hope this helps, T (emphasis by me) (Also the whole pool's score is reduced by the same factor, not only yours.) :-) [edit] (In fact, it's the pool's score that is the candidate for arithmetic overflow, not the your one...) [/edit] Thank you very much for posting the constants that resulted from your research, Tibor!
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