peonminer (OP)
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May 20, 2013, 03:34:25 PM Last edit: May 20, 2013, 04:01:39 PM by peonminer |
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CGMiner 2.8.2 AMD 12.8 SDK 2.7 Seasonic Gold 80+ 1250W Modular Corsair 4GB DDR 3 1666MHZ ASUS M5A97 R2.0 500 GB Laptop Drive (soon to be replaced by a 60GB SSD OCZ) Sempron 145 O/C'd to 3.6 GHz stable. MOBO has built in auto O/C features. MICRO USB EDIMAX WIFI N .bat looks like setx GPU_MAX_ALLOC_PERCENT 100 setx GPU_USE_SYNC_OBJECTS 1 cgminer --scrypt -o http://binarycoins.eu:9333/ -u p -p 1 -I 13 --shaders 1792 -g 1 --gpu-threads 2 --thread-concurrency 7168 --lookup-gap 2 --worksize 256 What am I missing? I can only pull 300KH/s per card. With -I 20 I can pull 670KH/s per card with all HW errors. I just did a fresh install of windows, turned auto updates off. If that makes any difference. I am having trouble understanding --shaders XXXX and --thread-concurrency XXXX
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Tirapon
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May 20, 2013, 03:53:00 PM |
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Thread concurrency should be more like 20000. Also, is that your username and password publicly visible?
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peonminer (OP)
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May 20, 2013, 04:04:04 PM |
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Thread concurrency should be more like 20000. Also, is that your username and password publicly visible?
20000? I thought thread C should be multiples of your shader value? Used generic info for login info, not my personal . Thanks for the friendly reminder though.
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Tirapon
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May 20, 2013, 04:37:43 PM |
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I think its meant to be a multiple of your shader value, but I've just set mine all to 22000 and it seems to work okay. I seem to remember getting lots of HWs when I set the TC too low. Hope you get it sorted
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peonminer (OP)
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May 20, 2013, 05:37:21 PM |
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Cgminer let me set the TC to 25088 before I started giving mem value too high for cgminer. Had to drop it back to 7168. When I changed the value my kh/s went unaffected. Am I missing a command somewhere? Is --aggression the same as intensity? Any other commands I should try? This is mind boggling since I've ran them @600khs each no problem. I was a retard and didn't save my .bat compilation before formatting. Should I try different drivers? Different version of cgminer?
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peonminer (OP)
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May 20, 2013, 08:00:08 PM |
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Suggestions please. I can't get these cards to act right!
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BookLover
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May 21, 2013, 01:24:06 AM |
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Try typing cgminer -o http://binarycoins.eu:9333/ -u p -p 1 -I 7 in command prompt and see if it works without the extra settings.
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Mashrock
Newbie
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Activity: 47
Merit: 0
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May 21, 2013, 03:20:18 AM Last edit: May 21, 2013, 03:35:16 AM by Mashrock |
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Do as above, and delete all your bin files (created when you launch your miner will have a long file name)
remove the TC from your settings And also remove shaders. start your miner, and see what number throws up after tc in the file name.
thats a good place to start for thread concurrency.
i got 3x 7950 running 715h/s @ about 75-81degrees C pulling 900w
thread concurrency is in the 20,000's intensity 13
[edit]
sorry am running 7970
tc 16384, mem 1500, i 13
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glendall
Legendary
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Activity: 2114
Merit: 1018
Next Generation Web3 Casino
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May 21, 2013, 05:00:59 AM |
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I'm not all-pro like as some folks are around here but my 2 cents: you have gpu threads set to 2, so you can not use a thread concurrency of 20k or so.
You can either have a gpu thread of 2 and use a low thread concurrency of somewhere between 7500 - 9000 for your card, or a gpu thread of 1 and have a thread concurrency of 20000 - 24000 (mine is set to 21712) .
Also, did you know that for scrypt, the intensity settings are all different than sha-256 ? You may want to try an intensity of 19. High intensity for scrypt is 14-20
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peonminer (OP)
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May 21, 2013, 04:37:45 PM |
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I'm not all-pro like as some folks are around here but my 2 cents: you have gpu threads set to 2, so you can not use a thread concurrency of 20k or so.
You can either have a gpu thread of 2 and use a low thread concurrency of somewhere between 7500 - 9000 for your card, or a gpu thread of 1 and have a thread concurrency of 20000 - 24000 (mine is set to 21712) .
Also, did you know that for scrypt, the intensity settings are all different than sha-256 ? You may want to try an intensity of 19. High intensity for scrypt is 14-20
This is very helpful information! Thank you!
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peonminer (OP)
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May 21, 2013, 05:17:42 PM |
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Final stats that worked are as follows: Delete all .bin files associated with preferred version of CGMiner. I chose 3.1.1 due to recommendation and most up to date version. Clear CGMiner .bat file. add cgminer --scrypt -o http://yourpooladdresshere.com:PORT# -u Miner.X -p XXX -I 7 Results were a new .bin file. The number after TC was 22400. New .bat file. add cgminer --scrypt -o http://yourpooladdresshere.com:PORT# -u Miner.X -p XXX -I 13 -g 1 --thread-concurrency 22400 Results were an accepted connection, and correct hash rates in relation to O/C and -I XX command in .bat file. Thank you for everyone's help. I'm sure this thread will help many more prospectors.
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Tirapon
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May 21, 2013, 06:31:29 PM |
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That's good news - what hash rate are you getting now?
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peonminer (OP)
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May 21, 2013, 09:13:16 PM |
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That's good news - what hash rate are you getting now?
With adequate cooling, 715KH/s on the outside card. The inside card is currently not on a riser, and doesn't have room to ventilate due to the card on the outer most 16x PCI-E slot. So I have it at -I 12 whilst the outer card is at -I 20. Both run flawlessly with out a single HW error. Thanks again for the tips everyone. Once I have all four cards mounted with risers/powered risers for both 16x, I will have each card running at 715KH/s+ for a total hashing power of 2,860KH/s. No, my cards are not 7970s! They are 7950s. I have no idea why I'm able to achieve such an amazing hash rate. The only thing I can think would be the fact that I am using 12.8 AMD drivers and 2.7 SDK drivers.
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markusvon
Newbie
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Activity: 29
Merit: 0
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May 28, 2013, 09:11:20 PM |
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I have started having a weird but similar issue. I have been happily mining for months with 3*7950s using the below bat file: cgminer --scrypt -o stratum+tcp://eu.wemineltc.com:3333 -u username -p x -I 19 -g 1 --thread-concurrency 22400 For some reason my GPU0 has decided to run at a much lower hasrate. The other cards hash at around 550 and GPU0 can only manage 80-100. https://i.imgur.com/ztC6bd6.pngAs I am sure you can see from the above I have intensity set low but even when it is at 19 it only manages 100-120. I checked the clock settings and CGMiner seems to think the GPU clock is a 500 and the Memory clock is at 120!! I tried overwriting these in cgminer but to no avail. CCC seems to conclude what CGminer does about the clock speeds. (although I have found in previous experience these would normally increase as soon as there is any load on the card) Any ideas anyone?
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Malawi
Full Member
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Activity: 224
Merit: 100
One bitcoin to rule them all!
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May 28, 2013, 10:01:20 PM |
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I have started having a weird but similar issue. I have been happily mining for months with 3*7950s using the below bat file: cgminer --scrypt -o stratum+tcp://eu.wemineltc.com:3333 -u username -p x -I 19 -g 1 --thread-concurrency 22400 For some reason my GPU0 has decided to run at a much lower hasrate. The other cards hash at around 550 and GPU0 can only manage 80-100. https://i.imgur.com/ztC6bd6.pngAs I am sure you can see from the above I have intensity set low but even when it is at 19 it only manages 100-120. I checked the clock settings and CGMiner seems to think the GPU clock is a 500 and the Memory clock is at 120!! I tried overwriting these in cgminer but to no avail. CCC seems to conclude what CGminer does about the clock speeds. (although I have found in previous experience these would normally increase as soon as there is any load on the card) Any ideas anyone? Time for a cleaning of the fans and heatsinks?
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BitCoin is NOT a pyramid - it's a pagoda.
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peonminer (OP)
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May 29, 2013, 05:43:57 PM |
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I have started having a weird but similar issue. I have been happily mining for months with 3*7950s using the below bat file: cgminer --scrypt -o stratum+tcp://eu.wemineltc.com:3333 -u username -p x -I 19 -g 1 --thread-concurrency 22400 For some reason my GPU0 has decided to run at a much lower hasrate. The other cards hash at around 550 and GPU0 can only manage 80-100. https://i.imgur.com/ztC6bd6.pngAs I am sure you can see from the above I have intensity set low but even when it is at 19 it only manages 100-120. I checked the clock settings and CGMiner seems to think the GPU clock is a 500 and the Memory clock is at 120!! I tried overwriting these in cgminer but to no avail. CCC seems to conclude what CGminer does about the clock speeds. (although I have found in previous experience these would normally increase as soon as there is any load on the card) Any ideas anyone? Sounds like you switched pools or edited something that should not have been changed. Delete your .bin file(s) in CGMiner directory. Reboot. Start CGMiner, wala, magick.
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markusvon
Newbie
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Activity: 29
Merit: 0
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May 31, 2013, 08:17:11 PM |
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Figured it out in the end. Was just a driver issue. All back up to speed now Thanks.
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