nitrox
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July 29, 2012, 04:58:19 PM |
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Use cgminer and these settings --scrypt -I 19 --shaders 1792 --thread-concurrency 8960 -g 1 Should get 500+ kh/s also try --thread-concurrency of 17920, may be a little faster for the 7xxx series you must always use -g 1 to achieve high intensities
a lot of reject A:6 R:85 ~600kH/s i try a low intensity 15 result : A:30 R:73 ~370kH/s still no good result
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penek
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July 29, 2012, 05:00:55 PM |
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Did you run export GPU_MAX_ALLOC_PERCENT=100 before running cgminer under Ubuntu? What are you stock clock rates? Maybe try experimenting there a little with engine and memory clocks upwards and downwards, the hash rates can vary quite a bit depending on the ratio of engine to memory
export GPU_MAX_ALLOC_PERCENT=100 - YES I RUN ITGPU : 1045Mhz (default : 900MHz) RAM : 1450MHz (default : 1250MHz) also try export GPU_USE_SYNC_OBJECTS=1 with ALLOC in script which runs cgminer
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nitrox
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July 29, 2012, 05:05:09 PM |
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also try export GPU_USE_SYNC_OBJECTS=1 with ALLOC in script which runs cgminer
cd cgminer rm *.bin export DISPLAY=:0 export GPU_USE_SYNC_OBJECTS=1 export GPU_MAX_ALLOC_PERCENT=100 ./cgminer ................
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penek
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July 29, 2012, 05:07:05 PM |
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also try export GPU_USE_SYNC_OBJECTS=1 with ALLOC in script which runs cgminer
cd cgminer rm *.bin export DISPLAY=:0 export GPU_USE_SYNC_OBJECTS=1 export GPU_MAX_ALLOC_PERCENT=100 ./cgminer ................ yes
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nitrox
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July 29, 2012, 05:17:06 PM Last edit: July 29, 2012, 05:32:12 PM by nitrox |
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on HD7950 with cgminer 2.6 on windows 7 x64 BTC hashe rate is : ~535MHs whit cgminer 2.6 on XUBUBTU 12.4 x46 BTC hashe rate is : ~495MHs
windows beat up linux in my case whit 40MHs on BTC digging
with cgminer 2.6 on windows 7 x64 LTC hashe rate is : ~250kHs whit cgminer 2.6 on XUBUBTU 12.4 x46 LTC hashe rate is : ~254kHs
no so big difference for LTC
edit: considering that result i think windows is better decision in my case edit: this is with 12.4 driver
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penek
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July 29, 2012, 05:23:46 PM |
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on HD7950 with cgminer 2.6 on windows 7 x64 BTC hashe rate is : ~535MHs whit cgminer 2.6 on XUBUBTU 12.4 x46 BTC hashe rate is : ~495MHs
windows beat up linux in my case whit 40MHs on BTC digging
with cgminer 2.6 on windows 7 x64 LTC hashe rate is : ~250kHs whit cgminer 2.6 on XUBUBTU 12.4 x46 LTC hashe rate is : ~254kHs
try with driver 12.6
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nitrox
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July 29, 2012, 05:55:40 PM |
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on HD7950 instal driver 12.6 with cgminer 2.6 on windows 7 x64 BTC hashe rate is : ~535MHs whit cgminer 2.6 on XUBUBTU 12.4 x64 BTC hashe rate is : ~499MHs
windows beat up linux in my case whit 40MHs on BTC digging
with cgminer 2.6 on windows 7 x64 LTC hashe rate is : ~250kHs whit cgminer 2.6 on XUBUBTU 12.4 x64 LTC hashe rate is : ~300kHs
with 12.6 is a little better, but is not so good compare 6950 on LTC do ~405kH/s
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penek
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July 29, 2012, 06:01:55 PM |
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also try export GPU_USE_SYNC_OBJECTS=1 with ALLOC in script which runs cgminer
cd cgminer rm *.bin export DISPLAY=:0 export GPU_USE_SYNC_OBJECTS=1 export GPU_MAX_ALLOC_PERCENT=100 ./cgminer ................ with this params try more intensity.. to me this params unlock to incrase intensity and thread-concurrency (with TC not need to use shaders)
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nitrox
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July 29, 2012, 06:19:56 PM |
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when increasing intensity start rejecting ... ![Embarrassed](https://bitcointalk.org/Smileys/default/embarrassed.gif)
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penek
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July 29, 2012, 06:27:31 PM |
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when increasing intensity start rejecting ... ![Embarrassed](https://bitcointalk.org/Smileys/default/embarrassed.gif) I'm at a loss
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Фaкт — caмaя yпpямaя в миpe вeщь. © M.A.Бyлгaкoв «Macтep и Mapгapитa»
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pekv2
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July 29, 2012, 06:33:55 PM |
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when increasing intensity start rejecting ... ![Embarrassed](https://bitcointalk.org/Smileys/default/embarrassed.gif) I'm at a loss I believe nitrox is stating that when you increase the intensity, cgminer is likely to have more rejected shares.
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nitrox
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July 29, 2012, 06:44:15 PM |
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I believe nitrox is stating that when you increase the intensity, cgminer is likely to have more rejected shares.
this is what i meant, sorry for my bad english i use google translator.
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pekv2
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July 29, 2012, 06:51:15 PM |
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I believe nitrox is stating that when you increase the intensity, cgminer is likely to have more rejected shares.
this is what i meant, sorry for my bad english i use google translator. No biggie, glad to help.
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Luke-Jr
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July 29, 2012, 07:53:20 PM |
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EskimoBob
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July 29, 2012, 08:13:29 PM |
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A merge and a fix from a guy who is known for is loathing of LTC? Really!
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While reading what I wrote, use the most friendliest and relaxing voice in your head. BTW, Things in BTC bubble universes are getting ugly....
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Luke-Jr
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July 29, 2012, 08:17:50 PM |
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A merge and a fix from a guy who is known for is loathing of LTC? Really! I didn't merge it for Litecoin. I'm pretty sure Con loathes Litecoin too, and only did it for the bounty.
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EskimoBob
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July 29, 2012, 08:40:09 PM |
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A merge and a fix from a guy who is known for is loathing of LTC? Really! I didn't merge it for Litecoin. I'm pretty sure Con loathes Litecoin too, and only did it for the bounty. Listen asshat, I do not see him trolling the alternate cryptocurrencies forum like you do. Go whine about your insecurities somewhere else.
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While reading what I wrote, use the most friendliest and relaxing voice in your head. BTW, Things in BTC bubble universes are getting ugly....
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sgravina
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July 29, 2012, 11:37:36 PM |
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Help requested. I have three 5850's Here is my command: export GPU_MAX_ALLOC_PERCENT=100 export GPU_USE_SYNC_OBJECTS=1 cgminer \ -o localhost:9332 -u ## -p ## \ --scrypt \ --intensity 13 \ --shaders 1440
Here is what happens: [2012-07-29 19:35:36] Started cgminer 2.6.0
#pragma unroll ^
/tmp/OCLBW3cii.cl(663): warning: unrecognized #pragma #pragma unroll ^
/tmp/OCLBW3cii.cl(677): warning: unrecognized #pragma #pragma unroll ^
/tmp/OCLBW3cii.cl(636): warning: variable "ySIZE" was declared but never referenced const uint ySIZE = (1024/LOOKUP_GAP+(1024%LOOKUP_GAP>0)); ^
/tmp/OCLBW3cii.cl(707): warning: unrecognized #pragma #pragma unroll ^
12 errors detected in the compilation of "/tmp/OCLBW3cii.cl".
[2012-07-29 19:35:38] Failed to init GPU thread 0, disabling device 0 [2012-07-29 19:35:38] Restarting the GPU from the menu will not fix this. [2012-07-29 19:35:38] Try restarting cgminer. Press enter to continue:
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-ck
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July 29, 2012, 11:39:25 PM |
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Update your sdk, and note that cgminer 2.6.0 is broken
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Developer/maintainer for cgminer, ckpool/ckproxy, and the -ck kernel 2% Fee Solo mining at solo.ckpool.org -ck
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iCEBREAKER
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July 29, 2012, 11:43:36 PM |
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Does this scrypt varient of cgminer support -c cgminer.conf for multiple pool failover?
I'm away from my rig or I'd experiment and find out myself.
Thx.
PS Con, you are the best!
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