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Author Topic: OFFICIAL CGMINER mining software thread for linux/win/osx/mips/arm/r-pi 4.11.1  (Read 5765828 times)
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nathanrees19
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May 03, 2013, 02:25:31 AM
 #9881

Pool2: eligius.st:80

Should be
Code:
mining.
in front of that hostname, but the pool is broken anyway. Try another pool.
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May 03, 2013, 02:57:48 AM
 #9882

I have a question and potentially a future feature to implement (maybe !)

I have a scrypt question. I have a rig with very bastardly cards, 6970, 7970, 5970 and 5870. I can get everything working fine -but- ! 7970 works best in scrypt with -g 2, but when I turn it on it makes my ATI driver crash, I reboot, etc, sometimes PC after reboot goes nuts, safe mode, reboot again. If I run -g 1 all works well but 7970 isn't mining as optimal as it should (175KH less than optimal super hashing speed).

I tried the -d option, but cgminer still compiles a scrypt*.bin for the scrypt setting and doesn't run properly. If let's say I run --gpu-fan at like 55, it sets 55 on ALL cards, even if I only tell it to mine from -d 1. I was thinking of running one instance of cgminer on 7970 card with -g 2, then another instance with -g 1, but I don't seem to be able.

Is there anything else I can do ?
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May 03, 2013, 03:05:54 AM
 #9883

Pool2: eligius.st:80

Should be
Code:
mining.
in front of that hostname, but the pool is broken anyway. Try another pool.
Hey, sharp eyes! That was the issue with the port 80 pool. It needed to be: mining.eligius.st:80
Thanks for your response nathanrees19!
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May 03, 2013, 03:06:24 AM
 #9884

Is there any reason i can't use a thread concurrency of 1600? My gpu posts 720kh/s with it but all as errors. as soon as i use 8192 it only posts 550ish max. Perhaps this is why ghz card perform so badly?

7970
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May 03, 2013, 03:44:02 AM
 #9885

I have a Bitcoin machine running W8 Pro, Radeon 7850 + 7970 and CGminer 2.11.4
I am looking for finer tuning suggestions, and wanted your thoughts as to what you think I may have overlooked or should consider trying. Of the configs I've tried the following seems to run the best, but I'm sure there are more refinements I've not tried, including worksize.

Here is my Config:
"intensity" : "15,15",
"vectors" : "1,1",
"worksize" : "256,64",
"kernel" : "diablo,diablo",
"lookup-gap" : "0,0",
"thread-concurrency" : "0,0",
"shaders" : "0,0",
"gpu-engine" : "800-1100,900-1100",
"gpu-fan" : "0-85,0-85",
"gpu-memclock" : "1180,1190",
"gpu-memdiff" : "0,0",
"gpu-powertune" : "18,18",
"gpu-vddc" : "0.000,0.000",
"temp-cutoff" : "95,95",
"temp-overheat" : "85,85",
"temp-target" : "75,75",
"api-port" : "4028",
"auto-fan" : true,
"expiry" : "155",
"failover-only" : true,
"gpu-dyninterval" : "7",
"gpu-platform" : "0",
"gpu-threads" : "2",
"hotplug" : "5",
"log" : "5",
"no-pool-disable" : true,
"per-device-stats" : true,
"queue" : "1",
"scan-time" : "60",
"temp-hysteresis" : "3",
"verbose" : true,
"shares" : "0",
"kernel-path" : "/usr/local/bin"
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May 03, 2013, 01:01:55 PM
 #9886

cgminer 3.1.0, I have found blocks with best share > diff & the pool has confirmed my share. but the counter of found blocks stayed 0. it may introduced in around 2.11.4 with your new block checking logic? (I'm running inside openwrt)
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May 03, 2013, 03:37:14 PM
 #9887

Is there any downside to running cgminer as root? I'm getting ready for when my Jalapeno arrives and I can't find the 01-cgminer.rules file anywhere. Ah, I just found it. Still, running as root is much easier.

BTC: 1KrakenLFEFg33A4f6xpwgv3UUoxrLPuGn
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May 03, 2013, 05:21:22 PM
 #9888

just what is "intensity"?
FiatKiller
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May 03, 2013, 05:39:11 PM
 #9889

just what is "intensity"?

http://www.imdb.com/title/tt0118350/?ref_=fn_al_tt_1

Sorry, I couldn't resist... awesome flick.

LTC: LdxgJQLUdr8hZ79BV5AYbxkBUdaXctXAPi
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May 03, 2013, 06:31:43 PM
 #9890

Gents,
 mind to decrypt the following please:
Code:
05/03/13 18:27:42 CTxMemPool::accept() : accepted 46d7990963 (poolsz 37)
05/03/13 18:28:00 SetBestChain: new best=69f963d82d358c88ee3d  height=346030  work=44021880709632917
05/03/13 18:28:00 ProcessBlock: ACCEPTED
05/03/13 18:28:00 force request: block 69f963d82d358c88ee3d
05/03/13 18:28:00 force request: block 69f963d82d358c88ee3d
05/03/13 18:28:00 force request: block 69f963d82d358c88ee3d
05/03/13 18:28:00 CreateNewBlock(): total size 1710
05/03/13 18:28:00 force request: block 69f963d82d358c88ee3d
05/03/13 18:28:00 Rate limit dFreeCount: 13052.3 => 13278.3
05/03/13 18:28:00 CTxMemPool::accept() : accepted f37e279f9c (poolsz 22)
05/03/13 18:28:00 getblocks -1 to 00000000000000000000 limit 500
05/03/13 18:28:00 getblocks -1 to 00000000000000000000 limit 500
05/03/13 18:28:00 getblocks -1 to 00000000000000000000 limit 500
05/03/13 18:28:01 Flushing wallet.dat
05/03/13 18:28:01 Flushed wallet.dat 30ms
05/03/13 18:28:07 getblocks -1 to 00000000000000000000 limit 500
05/03/13 18:28:12 ERROR: FetchInputs() : 0f3a6ab0fb mempool Tx prev not found 0dfc0db223
05/03/13 18:28:12 stored orphan tx 0f3a6ab0fb (mapsz 38)
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May 03, 2013, 06:58:45 PM
 #9891


heh, well, i have a remedy for that: http://www.imdb.com/title/tt2237008/?ref_=fn_al_tt_1
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May 03, 2013, 07:53:35 PM
 #9892

Question: Is it a good practice to use "--scan-time 1" in cgminer?

I'm trying to solo-mine FTC (scrypt, 2.5 min/block) with GPUs. From what I can found, the usual recommended practice is to add stratum or longpoll pools to the list of pools, so cgminer will know when there is a new block.

However, from my own experiment, I found that existing FTC pools are slow to send out new block notifications. The following is a screenshot of cgminer running on 2 different machines.

http://i.imgur.com/AphbAkv.png

Machine on the left:
pools = [feathercoind, (stratum) feathercoin.is-a-geek.com, (longpoll) featherpool.com]
scan-time = 60

Machine on the right:
pools = [feathercoind]
scan-time = 1

Using "--scan-time 1" with a local feathercoind gives me new blocks detections 0-30 seconds faster than the stratum/longpoll connections (as seen above).

However, the statistics for the machine on the right show 60 new blocks (NB), 177 discarded work items (DW), and 1 rejected block (R). Having "DW > NB" and "R > 0" makes me feel that it might I may be doing something wrong. Naively I think that cgminer discards work only when a new block forces it to do so.

If anyone knows whether it's OK to use "--scan-time 1", and whether it's fine to have "DW > NB" and "R > 0", please let me know. Thanks!
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May 03, 2013, 09:22:09 PM
 #9893

updated to catalyst 13.4 from 13.1 last night. now cgminer (301 and 310) hangs on start. i get as far as this:

Code:
[2013-05-03 16:18:35] Started cgminer 3.0.1
[2013-05-03 16:18:35] Loaded configuration file cgminer.conf
[2013-05-03 16:18:36] Probing for an alive pool
[2013-05-03 16:18:37] Disabling extra threads due to dynamic mode.
[2013-05-03 16:18:37] Tune dynamic intensity with --gpu-dyninterval
[2013-05-03 16:18:37] Network diff set to 10.1M
[2013-05-03 16:18:38] Thread 1 being disabled

and it just sits there indefinitely. tried a few different .conf settings, and get ther same. without a .conf and specifying url and such, it crashes a few seconds after hitting return after entering password.

any ideas?
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May 03, 2013, 10:12:17 PM
 #9894

Con, can you address the best way to determine settings for scantime & expiry when mining the latest scrypt coins? Do you lower them to try to equal the block frequency? Like chinacoins were every second and mincoins are every minute, so it seems like leaving at default is a bad idea...

thnx

LTC: LdxgJQLUdr8hZ79BV5AYbxkBUdaXctXAPi
MoonCoin Gambling: https://coin-horse.com/MON/
-ck
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May 03, 2013, 10:19:50 PM
 #9895

Con, can you address the best way to determine settings for scantime & expiry when mining the latest scrypt coins? Do you lower them to try to equal the block frequency? Like chinacoins were every second and mincoins are every minute, so it seems like leaving at default is a bad idea...
That's like going back to how we mined bitcoins >2 years ago before pools and longpoll. The answer is set the scantime as low as you can before the hashrate drops. If you're solo mining, something like 5s is usual for sha coins. However it can be slow to return results for scrypt so you'll have to experiment.

Developer/maintainer for cgminer and ckpool/ckproxy.
ZERO FEE Pooled mining at ckpool.org, 1% Fee Solo mining at solo.ckpool.org
-ck
FiatKiller
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May 03, 2013, 10:34:41 PM
 #9896

Ok, thanks. Trying 45 seconds overnight for mincoins...

LTC: LdxgJQLUdr8hZ79BV5AYbxkBUdaXctXAPi
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os2sam
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May 04, 2013, 12:29:46 AM
 #9897

just what is "intensity"?

Did you see this?

--intensity|-I <arg> Intensity of GPU scanning (d or -10 -> 10, default: d to maintain desktop interactivity)

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet and in e-mail?
Trongersoll
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May 04, 2013, 01:38:02 AM
 #9898

just what is "intensity"?

Did you see this?

--intensity|-I <arg> Intensity of GPU scanning (d or -10 -> 10, default: d to maintain desktop interactivity)

and what does that mean? how does it affect miner output?
ZeikHunter
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May 04, 2013, 02:18:57 AM
 #9899

just what is "intensity"?

Did you see this?

--intensity|-I <arg> Intensity of GPU scanning (d or -10 -> 10, default: d to maintain desktop interactivity)

and what does that mean? how does it affect miner output?

Its like priority in the windows task manager, it sets how important the hashing is to the GPU. 'd' setting is good for computers being used while mining, while most dedicated mining cards see performance benefits in the 9-15 intensity range, from what I've seen.
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May 04, 2013, 02:52:47 AM
 #9900

just what is "intensity"?

Did you see this?

--intensity|-I <arg> Intensity of GPU scanning (d or -10 -> 10, default: d to maintain desktop interactivity)

and what does that mean? how does it affect miner output?
GPU-README (yeah another of the files people don't read)

INTENSITY INFORMATION:

Intensity correlates with the size of work being submitted at any one time to
a GPU. The higher the number the larger the size of work. Generally speaking
finding an optimal value rather than the highest value is the correct approach
as hash rate rises up to a point with higher intensities but above that, the
device may be very slow to return responses, or produce errors.

NOTE: Running BTC intensities above 9 with current hardware is likely to only
diminish return performance even if the hash rate might appear better. A good
starting baseline intensity to try on dedicated miners is 9. 11 is the upper
limit for intensity while BTC mining, if the GPU_USE_SYNC_OBJECTS variable
is set (see FAQ). The upper limit for sha256 mining is 14 and 20 for scrypt.

Pool: https://kano.is Here on Bitcointalk: Forum BTC: 1KanoPb8cKYqNrswjaA8cRDk4FAS9eDMLU
FreeNode IRC: irc.freenode.net channel #kano.is Majority developer of the ckpool code
Help keep Bitcoin secure by mining on pools with full block verification on all blocks - and NO empty blocks!
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