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1761  Other / CPU/GPU Bitcoin mining hardware / Re: What tempature do you run your GPU's on: May 02, 2013, 05:26:35 PM
80C but prefer the fans to be less than 65%

BTW I just tried 2x7950 in a system and the top card hit 98C and dropped MH by half!  Cards seem to work fine in separate machines.

haha, because it was throttling itself

until the last month or two, i rarely had cards go over 80oC.  now one or two do on hot days (maybe when it's 29oC or above outside)

and I always have fans at 100%

though at this moment out of my 18 cards, 6 of them have 120mm fans ziptied on.   im not sure if i should fix that before ebaying or not.  the reference fans used to cost like $10, now they seem to be around $15

as for those 5870 gigabyte dual fans and what not, forget it
1762  Other / CPU/GPU Bitcoin mining hardware / Re: running psu full load? on: May 02, 2013, 05:22:56 PM
If the power supply says it is rated for continuous 850 watt, it is good for 850 watt DC electricity 24/7/365, otherwise it wouldn't be called "continuous". Tongue

An 850W 80plus GOLD power supply is 100% spec when you are drawing approximately 965 watts at the wall. You are fine. For what its worth, I drew 910 watts AC from a NZXT HALE90 750 watt, approx 8% over spec. It didn't break a sweat.

er no.........

3R system as an example..... GOLD rating , but the internal components are only designed for <50% of the product STATED full load capacity.

Some manufacturers overrate the components, others are just bottom feeding scum that use industry terms to scam people.
Also 'Continuous' is a relative term and depends on the background ambient....


wtf?

anyway, i've had 750w seasonics running at around 700w for 9 months
1763  Other / CPU/GPU Bitcoin mining hardware / Re: 20gh/s system, need advise on: May 02, 2013, 05:17:04 PM
buy 40 7950, and start mining litecoin, only way for you to make profit

i'd buy the 7850 and 7870's that are all on special/being liquidated right now

like this deal (that's expired now):

http://slickdeals.net/permadeal/94066/newegg-msi-radeon-hd-7870-2gb-gddr5-pci-express-3.0-video-card-far-cry-3-blood-dragon-bioshock-infinite-tomb-raider-game-coupons

$190 for 7870, $40-$50 for games coupon, then  you could sell it 'new' (you didnt use it, just sold the games) and already get more than you paid for it.

which is why it's good for bitcoin mining, since GPUs will be worthless "soon"

you can also get 7770's for around $50 after rebate+selling games, 7850 for $110-$120 after rebate+selling games

for me, it's good idea to buy these new 7870's and then sell used 5870's for more than 7870 cost
1764  Other / CPU/GPU Bitcoin mining hardware / Re: AMDs new HSA technology - impact on mining on: May 02, 2013, 05:07:45 PM
it should have had 'bitcoin miners' in that roundtable of potential market =/
1765  Bitcoin / Mining / Re: pushpool - open source pool software on: May 02, 2013, 05:05:50 PM
does pushpool and bitcoind work on the same server?

Im getting this when trying to start pushpool

netcom@u12:/opt/pushpool$ sbin/pushpoold -E -F
[2013-05-01 21:46:3.812277] Listening on host :: port 8336
[2013-05-01 21:46:3.814084] Listening on host :: port 8337
[2013-05-01 21:46:3.814468] tcp bind: Address already in use

any updates, progress or other alternatives ? Tongue

ah, netcom.   that was first commercial internet provider in DFW area outside of the crap hourly stuff like compuserve....    but back then in 1990 or so, you could still freeload off of 1/2 the universities anyway, or at least telnet out from their login interface (have some friend at a uni give you a shell acct or something).   there were a few exceptions,  like at the superconducting supercollider, you could log on directly to their VAX (sscvx1.ssc.gov) with a guest account

for the question

did you change your pushpool "requests to us" to the same port that bitcoin uses?  if so, you shouldnt have. 


1766  Bitcoin / Pools / Re: p2p pool on: May 02, 2013, 04:57:16 PM
I've never used it myself.
The easiest BTC mining POOL to use is https://bitminter.com/
Just resister, then click the Engine Start button.
That's it!! 

Sorry can't help you with your question  Huh
Yeah, bitminter is the easiest to get started with.

If you setup p2pool, then the logical choice would be to mine on your own p2pool server.
1767  Bitcoin / Pools / Re: P2Pool Server List on: May 02, 2013, 12:31:29 PM
So, I made my p2pool log public at www.nogleg.com/log  (times displayed are in CST, -5 UTC/GMT. it gets reset periodically)..  no sensitive information there, only IPs shown are other p2pool nodes that anyone could see themselves by running p2pool.  The addresses shown getting shares can be seen by going to my pool anyway & the amount they are receiving is displayed publically in the 'payouts if block is found now'.

Anyway,

There are a few incoming connections that are incredibly annoying that I've considered firewalling, but then I think it's possible they may fix their pool at some point, so..

I assume the stuff about 'peer sent entire transaction xxxxxxxxx that was already received' means that I got person X's share before person Y's (and sometimes person Z, Z2, etc)?.. so orphan is incoming?  (ed: well, for my share that was just orphaned, I didn't see anything about that... just from timestamps that the Mav one was about 150ms earlier)

What do the transactions pulled from latency queue signify?

Also, wouldn't a p2pool node w/ many people connected have problems with the 'new work to worker' stuff?   It looks like each takes about 5ms or so.  I usually run my p2pool on ramfs, but after some recent shenanigans where I lost about 12hrs of data, I stopped... does that make that new work process quicker?

anyone know about any of those?



(ed2:  i just changed incoming connections max to 1.  maybe some superstition about those IPs that just connect and timeout over and over, but didnt like the start)

(ed3: this is info from a pool other than my own, a share that I had orphaned)

mine:

Time first seen: Thu May 02 2013 08:42:42 GMT-0500 (Central Daylight Time) (1367502162.504647)

1CTgYxMTY5j6SLytKeMsBWAXuUc6yNKcAe: 

Time first seen: Thu May 02 2013 08:42:44 GMT-0500 (Central Daylight Time) (1367502164.585231) 

a second opinion at another pool:

mine:

Time first seen: Thu May 02 2013 08:42:42 GMT-0500 (Central Daylight Time) (1367502162.457166)

1CTgYxMTY5j6SLytKeMsBWAXuUc6yNKcAe: 

Time first seen: Thu May 02 2013 08:42:44 GMT-0500 (Central Daylight Time) (1367502164.538657)

... wouldn't the base client have rendered that share DOA (as it was over 2000ms late), even though 1CTgYxMTY5j6SLytKeMsBWAXuUc6yNKcAe did happen to get the following share about 10 seconds later..... or dies it resurrect it from the dead to send out both to everyone?

... and why does someone with 60ghash+ have 2+ second lag time?
1768  Bitcoin / Pools / Re: [8500 GH/s] Slush's Pool (mining.bitcoin.cz); TX FEES + UserDiff; ASIC tested on: May 01, 2013, 03:42:07 PM
Winter is coming.

And with it... The Others (nmc & ltc miners).

Edit, sorry.  NMC miners are The Others, ltc miners are White Walkers.  I know, I know way too much about SoI&F

dibs on devcoins and ixcoins as my salt wives
1769  Bitcoin / Pools / Re: [ANN][LTC][BTC][NMC][Pool][PPLNS] - P2Pool.org - P2Pool Multi-Mining Pool on: May 01, 2013, 03:39:30 PM
Hi, is there a chance you can add stratum support? And if you already have, how do I connect to stratum proxy?

stratum appears to have some issues w/ p2pool atm.  i know that mine reponds much slower than the long polling to new work.   toggling the fix-protocol option in cgminer dropped my DOA from about 10% to 5% (180ms latency)

i guess you could test it yourself by running concurrent instances of some stratum miner + non-stratum miner.  maybe it doesnt happen to everyone
1770  Bitcoin / Pools / Re: [700GH/s] p2pool: Decentralized, DoS-resistant, Hop-Proof pool on: May 01, 2013, 03:25:23 PM
so obtuse

i'm not helping propagate your share full of transactions, because it gets orphaned

if a large amount of transactions still cause shares to have an increased chance of being orphaned and assuming people still use p2pool when this may matter, in 4, 8, or 12 years, then i suspect it would be wise to then do a rethink. 

oh, assuming the issue w/ the increased orphans isnt solved by then, in a decade or whatever.
1771  Economy / Securities / Re: ASICMINER: Entering the Future of ASIC Mining by Inventing It on: May 01, 2013, 09:36:13 AM
Efficiency was close to zero with an Avalon mining stratum on p2pool.
Odd and worrying: you are not the only one having tried mining on p2pool with Avalons. I don't follow it closely (forums are not really the best for bug reports, I have to work from memory and I'm on painkillers right now...) but I know people have managed to bring Avalons at least in the 50-75% efficiency range right from the beginning and made progress from this point (maybe not with stratum).

I suspect there's at least one Avalon user on P2Pool for quite some time now which uses it without apparent problems given his payouts (185Kip6odGYs4eSHD6DYsWVDJBg2DNLfiV since 2013-09-04 with an effective ~65GH/s hashrate).

He mines to multiple pools.  I think two are on the same machine?  Not sure..

But his efficiency rating would be higher if he sent me a msg and told me his IPs, unblocked them (right now the nodes I know he uses don't allow incoming connections) for my IP and let me connect  Grin
1772  Economy / Securities / Re: ASICMINER: Entering the Future of ASIC Mining by Inventing It on: May 01, 2013, 09:23:30 AM
well, most chinese nodes i have seen on p2pool struggle to get to 100% because of the latency issues involved.

uh, i havent been following asicminer at all, so i dont know what the hash rate is, but i'd imagine it's around 1/2 of what p2pool has now?  so that alone should get efficiency rates above 100%, as you'd be orphaning many other ppl's shares by getting multiples in a row...  well, if you wanted to be a jerk about it and play it the most profitable way.   the best way for p2pool would be to set a difficulty at whatever the maximum allowed is or something like 50-100k, then ppl with lower hashrates would still have a chance to get something.

i have hong kong dedi that gets about 220ms to my germany server, duno what asicminer uses


(yeah, 9thash, uh, that'd be like 12x what's on p2pool right now?  so I guess everyone else would leave.  but setting up own p2pool network or own pool software with merged mining wouldnt be a bad idea)

(ed: it's 4:30am.  is 9thash btcguild total?  what amt is asicminer?  p2pool is only like 750ghash)
1773  Bitcoin / Pools / Re: [700GH/s] p2pool: Decentralized, DoS-resistant, Hop-Proof pool on: May 01, 2013, 08:56:03 AM
i think it'd be much better if the block solver got all the TX fees instead of however the reward system works now (and, no, this isn't favoring someone that's 60ghash, because like the share difficulty, in the long run it would all even out).

Sounds like something someone with a 60ghash miner would say  Roll Eyes

 Roll Eyes   except I'm at 5-7ghash, not 60.

Quote
Well, unless it has changed, the block solver already gets a bonus, so if the solver is going to get all the TX fees, then the other bonus shouldn't be done anymore.

Pick one or the other, not both.

-- Smoov
Yeah, so there's really no reason not to just change it over to the TX'es.     Add them to your blocks, take the risk of having a few more orphans, but get the whole TX amt if you solve it
1774  Bitcoin / Pools / Re: [700GH/s] p2pool: Decentralized, DoS-resistant, Hop-Proof pool on: May 01, 2013, 01:42:12 AM

Sorry it seems I mixed up your graphs with centove's graphs, painkillers seems to have a measurable effect on my ability to read...

I just thought you were being sarcastic, w/ the quoted Subo msg  Grin
1775  Bitcoin / Pools / Re: [700GH/s] p2pool: Decentralized, DoS-resistant, Hop-Proof pool on: May 01, 2013, 01:34:17 AM

& gyverlb


i update once every day or two, to the latest git version.  though, the main thing as far as the getblocktemplate latency goes is how many transactions you have stored, i.e. bitcoind getmininginfo.  the more that builds up, the slower it goes.   mine is at 360 right now but clears out after blocks..... because I "cheated" a bit and set my relay fee to 50000 (the same as the creation fee, in everything *BUT* 8.1.99)... once the release is made public w/ the 10000 relay & creation fee, then i won't mess w/ it anymore... but as long as all the official releases have the creation fee at 50000, i don't see anything wrong with setting my relay fee to 50000 as well.  that cuts out a lot of the transactions that end up clogging your pooledtx.  

also, max blocksize has a lot to do with it.  i'm at 5k max blocksize, if I went up to 50k, I'd be getting 2 or 3s latency..

It's all on a ramdrive, too... but that has less to do with it then you think, probably.... example (and i had nothing to do w/ his bitcoin address):

http://rehtid.com:9332/static/graphs.html?Week

i sent him a custom copy of bitcoind on tues, now he runs around a constant 3.5-4ms latency.  this is on some cheap $40 OVH machine.  8GB RAM and some semi-junk CPU.   this was accomplished essentially by just raising the tx fee to 100000.  at that rate, you'll only get tx'es that'll clear out on the next block.   he's also set to 5000 max blocksize.   though, you'd start to notice the ramdrive a lot more once you start raising the blocksize.  the problem I have with it is that it also increases the # of orphans..

i think it'd be much better if the block solver got all the TX fees instead of however the reward system works now (and, no, this isn't favoring someone that's 60ghash, because like the share difficulty, in the long run it would all even out).

it does bother me when people have the maxblocksize set to <1000, though.... because occasionally you will get that transaction with the 5 BTC fee and it only takes a few KB to get it in a block...  lenny solved one of those just about a week or two ago (block was worth 33, I believe)

in any case, it isn't a huge deal right now since ~7 blocks are being solved every hour.. but I don't like limiting my blocksize due to the orphans...  there needs to be the counterbalance (re: getting the tx fees).

with my avg 6-7ghash, i've solved 3 p2p blocks in the last 3-4 weeks (yes, amazing luck (ed: also solved 1 block on bitminter, for about 1.5BTC worth of mining... and got an 8M difficulty share earlier today, lol))...   but everyone would distribute my normal reward and the blocks would be .3 or .4 btc more if i got to keep all the transaction fees =p
1776  Bitcoin / Pools / Re: [700GH/s] p2pool: Decentralized, DoS-resistant, Hop-Proof pool on: April 30, 2013, 06:51:26 PM
A 2600 share will count for twice as much as a 1300 share, the only difference would be that it'd increase deviation, but should average out eventually.
That doesn't seem quite right. I just put in a 21,700 share, and it seems to be worth just as much as any other share I've put in.

I put in a 4750 share that got 0..  I don't know if it'll let you set your difficulty to 21700, but if you can and you did, then you would have gotten credit for 21700
1777  Bitcoin / Pools / Re: [700GH/s] p2pool: Decentralized, DoS-resistant, Hop-Proof pool on: April 30, 2013, 06:34:33 PM

not here though:

http://nogleg.com:9332/static/graphs.html?Week

1778  Bitcoin / Pools / Re: [700GH/s] p2pool: Decentralized, DoS-resistant, Hop-Proof pool on: April 30, 2013, 06:32:31 PM
Doesn't that already exist?

log in to p2pool and append /SHARECHAINTARGET+WORK_TARGET

e.g.

./cgminer -o something.pool.com:9332 -u mineruser/5000+16 -p none

that will return 5000 difficulty work to the share chain, and it will only serve 16 difficulty work (instead of "1")

Not sure if you'd know but ...
Seems to me there's some mileage in setting the difficulty to higher than the defaults if only to reduce network latency? I've started tinkering around and setting to minername/512+1 and it seems that 'Bitcoind GetBlockTemplate Latency' has reduced slightly since then.

Since getting that latency average down as low as possible is one of the only things you can do to improve p2pool returns (afaik), this seems to be an overlooked tweak?

I might also be being a bit dumb, but what's the point of setting the difficulty higher than the current valid accepted share difficulty? It's at 1300 at the moment for example. So any share submitted over 1300 should count.

And finally .. me also not understanding something (yes I have tried to!), if I've set 512+1, then why is it still returning 1/1 to 511/1 difficulty shares to the pool? Or have I got that the wrong way round?

Basically I'm puzzled by the difficulty settings and there ain't much documentation on it that I can find.

PS. Note to Litecoin miners. If it's giving you so much grief on p2pool, why not forget Litecoin and concentrate on Bitcoin? Seems to me that if you want BTC to retain value for all the BTC you mine, then sticking with BTC is the way to go long term rather than supporting a slightly less secure competitor for what basically seems to be greed.

PPS. Note to people freaking out because p2pool throws some errors and pauses a while to figure it out. Stop staring at the p2pool screen! I've only seen pauses like that near the initial startup while p2pool is easing in to the network. I guess it may happen while I'm asleep after running for hours, but if it does, it recovers, it goes on churning away, I maybe loose a few minutes. I've never yet checked it the next morning to find it's died, it's always happily churning away.

Well, first off, yeah, I was wrong about the 2000 cap, just got a 2005 share.  Maybe the person up above that said the max adjusted based on current difficulty was right, or maybe it just got bumped up, I dunno.  It also seems to be providing me with 5000 difficulty shares, so I assume that'd work too if it ever picks one up (the whole New work for worker! Difficulty: 10.000000 Share difficulty: 5000.002049 thing).

A 2600 share will count for twice as much as a 1300 share, the only difference would be that it'd increase deviation, but should average out eventually.  For someone at 5-10ghash+, 2000 isn't bad.  For someone at 20ghash, 3000+ would be neat.  Why?  Because p2pool is set to balance out as much as it can to 6 shares a minute... so, for the person at 300mhash, the 1500 difficulty shares aren't so nice.  If more people set theirs higher, then the share difficulty would drop, and this huge variation wouldn't occur for people mining on one card or something.  Right now it's spitting out 1327 difficulty shares, so 511 or w/e wouldn't do anything.  You'd still have to get the 1327.

oh, heh, I just got a 4.82k share on that one that's looking for 5000  Grin




 
1779  Bitcoin / Pools / Re: [700GH/s] p2pool: Decentralized, DoS-resistant, Hop-Proof pool on: April 30, 2013, 04:18:25 PM
we could also really use a code change to be able to set the custom difficulty to at least 5000 , instead of the 2000 it is currently.  i know you can go in and modify the source yourself, but most people wouldnt/cant do that

Doesn't that already exist?

log in to p2pool and append /SHARECHAINTARGET+WORK_TARGET

e.g.

./cgminer -o something.pool.com:9332 -u mineruser/5000+16 -p none

that will return 5000 difficulty work to the share chain, and it will only serve 16 difficulty work (instead of "1")

yeah, it's existed for a long time.

it was capped at 2000 as of ~2 months ago.  i guess I haven't checked in a while, so maybe it already is changed

&

i added the "fix-protocol" : true

into my cgminer.conf file and it looks like it dropped the # of DOA's by about half

1780  Bitcoin / Pools / Re: [700GH/s] p2pool: Decentralized, DoS-resistant, Hop-Proof pool on: April 30, 2013, 11:59:16 AM
That one is just 50Mh/s as Im testing to see if I get everything up and running before switching the whole rig (I know is just a few minutes but dont want to waste even a second hehe), so what do you mean that the shares submitted by cgminers are not the same as shares accepted by p2pool? shouldn't I receive a rejected message or see something on p2pool?

Thanks for your reply Smiley

bitpop:

How the hell? bitcoind as server and miner on it

yes, it uses accepted shares to calculate the hash rate it shows on the graph

so if you submit a 2 difficulty share, then you should see some hash rate on the chart

but you wont 'earn' anything out of the p2pool pot.  for that you have to hit the rolling difficulty, which attempts to be as close to 6 new works per (ed: minute) as possible

we could also really use a code change to be able to set the custom difficulty to at least 5000 , instead of the 2000 it is currently.  i know you can go in and modify the source yourself, but most people wouldnt/cant do that
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