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quarkkid
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January 20, 2014, 02:47:19 PM |
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hi can someone please help, for some reason nothing happens when i hit enter in the modded cgminer after i input anything to the console?? also if use a .bat startup file, it will load my other cgminer scrypt console (changed console background colour) although its a diff folder and no linked files are in either, but will crash anyways?? please this is driving me crazy. BTW am using low settings recommended on here...got sap r290 * 6...thanks in advance
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quarkkid
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January 20, 2014, 03:02:40 PM |
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anybody  |
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quarkkid
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January 20, 2014, 04:54:00 PM |
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WOW thanks guys!! Dont all help at once will ya....  |
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AtlasONo
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January 20, 2014, 05:49:54 PM |
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if use a .bat startup file, it will load my other cgminer scrypt console Sounds like you didn't change the path to the new vertcoin cgminer |
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infofront
Legendary
 Offline
Activity: 2632
Merit: 2780
Shitcoin Minimalist
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January 20, 2014, 06:44:37 PM |
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The only thing I've needed to change for Vertcoin is thread concurrency. These seem to be the optimal ones for the cards I've tried so far:
R9 290: 24550
7950: 19712
5850: 5120
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Philll90
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January 20, 2014, 07:29:17 PM |
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How can I start this modified cgminer? I've only used guiminer until now.
Can I put a bat.file of the normal cgminer in the folder and edit it?
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Zombie123
Legendary
Offline
Activity: 868
Merit: 1000
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January 20, 2014, 07:33:33 PM |
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The only thing I've needed to change for Vertcoin is thread concurrency. These seem to be the optimal ones for the cards I've tried so far:
R9 290: 24550
7950: 19712
5850: 5120
Just keep in mind when changing Threadconcurrency think about changing Intensity as well. running high intensity on low concurrency can be detrimental |
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Philll90
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January 20, 2014, 07:48:09 PM
Last edit: January 20, 2014, 08:44:32 PM by Philll90 |
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can't set --thread-concurrency to more then 4096 or i get the following error (280x):
Error -61: clCreateBuffer (padbuffer8), decrease TC or in crease LG
Please help
EDIT:
setx GPU_MAX_ALLOC_PERCENT 100
solved the problem
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BorisTheSpider (OP)
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January 20, 2014, 08:42:48 PM |
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can't set --thread-concurrency to more then 4096 or i get the following error (280x):
Error -61: clCreateBuffer (padbuffer8), decrease TC or in crease LG
Please help
How much system RAM do you have? I know it can be difficult to get cgminer to launch if system ram is low, as it uses it during startup (but once it's running, hardly uses any). What lookup gap are you using? |
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Philll90
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January 20, 2014, 08:46:00 PM |
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can't set --thread-concurrency to more then 4096 or i get the following error (280x):
Error -61: clCreateBuffer (padbuffer8), decrease TC or in crease LG
Please help
How much system RAM do you have? I know it can be difficult to get cgminer to launch if system ram is low, as it uses it during startup (but once it's running, hardly uses any). What lookup gap are you using? problem is fixed. setx GPU_MAX_ALLOC_PERCENT 100 solved the problem, but thanks for your offer to help  |
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AtlasONo
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January 20, 2014, 09:18:38 PM |
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How can I start this modified cgminer? I've only used guiminer until now.
Can I put a bat.file of the normal cgminer in the folder and edit it?
yes |
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AtlasONo
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January 20, 2014, 09:23:03 PM
Last edit: January 21, 2014, 07:53:01 PM by AtlasONo |
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My sapphire 7950 on a computer with 4gb ddr2 cannot go past -i 13 without getting hardware errors, I've tried thread-concurrencies for hours. Currently it's only doing 160kh/s My XFX 7950 is fine and pulling about 200kh/s --thread-concurrency 16384 -i 19 I've yet to get a 5870 to run at any -i 11 without errors |
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infofront
Legendary
Offline
Activity: 2632
Merit: 2780
Shitcoin Minimalist
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January 20, 2014, 10:07:27 PM |
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The only thing I've needed to change for Vertcoin is thread concurrency. These seem to be the optimal ones for the cards I've tried so far:
R9 290: 24550
7950: 19712
5850: 5120
Just keep in mind when changing Threadconcurrency think about changing Intensity as well. running high intensity on low concurrency can be detrimental Thanks. I was just about to post about that. I was having very high rejects (8-15% or so) and dropping my intensity from 20 to 19 helped a lot. Would dropping it even lower help on a dedicated mining rig? |
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Forexperiments
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January 20, 2014, 10:36:15 PM |
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I get 6 KHs instead of the usual 400  I have a 5870 |
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OPTiK
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January 21, 2014, 01:47:01 AM |
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Anyone have settings for r9 270? Or know what my hash rate is supposed to be?
My normal hash rate with other scrypt coins is 460 Kh/s.
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metraque
Member
Offline
Activity: 86
Merit: 10
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January 21, 2014, 02:04:58 AM |
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Anyone have settings for r9 270? Or know what my hash rate is supposed to be?
My normal hash rate with other scrypt coins is 460 Kh/s.
mine is: cgminer.exe --scrypt -o stratum+tcp://pickaxe.pool.pm:3305 -u metraque.R9270 -p x -v 1 -w 256,512 -I 12,18 -g 1 --lookup-gap 2 --gpu-powertune -20,-20 --temp-target 65,55 --temp-overheat 75,65 --temp-cutoff 80 --gpu-memclock 1500,1500 --gpu-engine 1020,1050 --thread-concurrency 8191,12000 --device 1 --remove-disabled pause 217kh/s, but I get 14 HW errors and running for 10 min. |
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snogcel
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January 21, 2014, 05:04:29 AM
Last edit: January 23, 2014, 05:41:23 AM by snogcel |
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2 x 290x settings. A few notes - this miner seems to be pretty finicky, if you are getting HW errors at 20 intensity just restart the box. Had issues with that when first starting out, haven't seen any HW errors since. I found that decreasing gpu-engine about 2% under Scrypt levels boosted hash rates: 415Kh/sec -> 424Kh/sec and 460Kh/sec -> 474Kh/sec "intensity" : "20,20",
"vectors" : "1,1",
"worksize" : "256,256",
"lookup-gap" : "2,2",
"thread-concurrency" : "27001,27001",
"shaders" : "0,0",
"gpu-engine" : "917-917,1015-1015",
"gpu-fan" : "20-95,20-79",
"gpu-memclock" : "1500,1500",
"gpu-memdiff" : "0",
"gpu-powertune" : "20,20",
"gpu-vddc" : "0.000",
"temp-overheat" : "100",
"temp-target" : "93",
"api-listen" : true,
"api-port" : "4028",
"expiry" : "15",
"gpu-dyninterval" : "7",
"gpu-threads" : "1",
"hotplug" : "5",
"log" : "5",
"no-pool-disable" : true,
"failover-only" : true,
"queue" : "0",
"scan-time" : "1",
"temp-hysteresis" : "3",
"shares" : "0",
"kernel-path" : "/usr/local/bin",
"scrypt-vert" : true
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XuvjV4aazgZhcfAj1KRgFnTok1pZZw6Ewu
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cryfilter
Newbie
Offline
Activity: 4
Merit: 0
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January 21, 2014, 11:27:55 AM
Last edit: January 21, 2014, 11:56:10 AM by cryfilter |
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2 x 290x settings. Wow this miner is really picky about TC, this was the only one that didn't result in HW at 20 intensity. Seeing 415Kh/sec and 460Kh/sec with these, might play around with the GPU Engine later on... "intensity" : "20,20",
"vectors" : "1,1",
"worksize" : "256,256",
"lookup-gap" : "2,2",
"thread-concurrency" : "27000,27000",
"shaders" : "0,0",
"gpu-engine" : "939-939,1040-1040",
"gpu-fan" : "20-95,20-79",
"gpu-memclock" : "1500,1500",
"gpu-memdiff" : "0",
"gpu-powertune" : "20,20",
"gpu-vddc" : "0.000",
"temp-overheat" : "100",
"temp-target" : "93",
"api-listen" : true,
"api-port" : "4028",
"expiry" : "15",
"gpu-dyninterval" : "7",
"gpu-threads" : "1",
"hotplug" : "5",
"log" : "5",
"no-pool-disable" : true,
"failover-only" : true,
"queue" : "0",
"scan-time" : "1",
"temp-hysteresis" : "3",
"shares" : "0",
"kernel-path" : "/usr/local/bin",
"scrypt-vert" : true
Are you running 4gb RAM? I can't seem to it mining correctly with only 4gb at any thread concurrency. Too high and I get error enqueueing kernel error and too low gives HW errors. |
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Rune
Legendary
Offline
Activity: 1229
Merit: 1001
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January 21, 2014, 10:46:08 PM |
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I never used cgminer I dont understand how to add or change these settings what do I do exactly?
I downloaded the modified cgminer and signed up with a pool but it just says in the pool that I have no hashrate
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cryfilter
Newbie
Offline
Activity: 4
Merit: 0
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January 22, 2014, 12:23:57 AM |
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So is this miner just not compatible with only 4gb of RAM? Has anyone been able to get it running without errors at over 13 intensity? I have been trying every setting and TC for the last 3 days and have yet to get it stable above 13 intensity. Right now I'm at 250kh/s on an r9 290 and 13 intensity.
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