ATTN Litecoin GPU Miners - Scrypt support for cgminer - page 3.

dishwara

legendary

Activity: 1855

Merit: 1016

Quote from: VelvetLeaf on July 30, 2012, 11:49:19 AM

I'm using 2x5970, with cgminer and this parameter :
--scrypt --thread-concurrency 6144 --intensity 16 --lookup-gap 2 --gpu-memclock 1100 --auto-fan --temp-target 75
AMD Driver 11.12
Windows 7

Got display driver not responding.
Tried it again and cgminer restarted my computer.
It's working fine on reaper, parameters that I use in reaper :

worksize 256
aggression 16
threads_per_gpu 1
sharethreads 18
lookup_gap 2
gpu_thread_concurrency 6144

Try intensity 13

VelvetLeaf

member

Activity: 98

Merit: 10

I'm using 2x5970, with cgminer and this parameter :
--scrypt --thread-concurrency 6144 --intensity 16 --lookup-gap 2 --gpu-memclock 1100 --auto-fan --temp-target 75
AMD Driver 11.12
Windows 7

Got display driver not responding.
Tried it again and cgminer restarted my computer.
It's working fine on reaper, parameters that I use in reaper :

worksize 256
aggression 16
threads_per_gpu 1
sharethreads 18
lookup_gap 2
gpu_thread_concurrency 6144

Bigal

full member

Activity: 204

Merit: 100

Ok I figured out how to get past the prompt on a live usb install of Ubuntu 12.04, in case anybody is wondering

go to the root /cdrom/syslinux/syslinux.cfg file

replace the contents with this

default live
label live
say Booting Ubuntu Live session...
kernel /casper/vmlinuz
append noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash noprompt --

Boots straight to the desktop with no prompts needed and my drivers and files all still there and work.

Bigal

full member

Activity: 204

Merit: 100

Quote from: sgravina on July 29, 2012, 08:15:05 PM

Quote from: -ck on July 29, 2012, 06:39:25 PM

Update your sdk, and note that cgminer 2.6.0 is broken

Thanks for the advice. I'm running Ubuntu 11.04. I have:

ati-driver-installer-11-6-x86.x86_64.run,
AMD-APP-SDK-v2.5-lnx64.tgz

installed. Which of those should I update?

I once updated Ubuntu to 12.04 and didn't like it because the newer ati driver that came with it made miner less efficient. So I reinstalled Ubuntu 11.04. Is Ubuntu 12.04 needed? Is it safe?

I don't want to disable a perfectly good bitcoin miner for litecoins.

Sam

I could not get it to run properly under 11.04, so I just loaded 12.04 onto another flash drive and installed the 12.6 driver and everything works great and I still have my headless bitcoin usb stick if I want to mine btc, now if I could just figure out how to get past the required keystroke at the first loading screen to make it a headless ltc miner, that one has me stumped.

sgravina

sr. member

Activity: 451

Merit: 250

Quote

Litecoin mining is not for the faint of heart. You need to be willing to break things and crash lots trying to get it working. You don't sound ready.

That's for sure. Last thing I want to do is see a stuff crash. I'm a slow adopter. Let me know when it works.

But tell me. Should I move to a new version of the graphics driver or SDK? Is there any reason to, now or soon. Do the new drivers work better? Almost all of my 31 cards are 5870's.

Sam

-ck

legendary

Activity: 4088

Merit: 1631

Ruu \o/

Quote from: sgravina on July 29, 2012, 08:15:05 PM

Quote from: -ck on July 29, 2012, 06:39:25 PM

Update your sdk, and note that cgminer 2.6.0 is broken

Thanks for the advice. I'm running Ubuntu 11.04. I have:

ati-driver-installer-11-6-x86.x86_64.run,
AMD-APP-SDK-v2.5-lnx64.tgz

installed. Which of those should I update?

I once updated Ubuntu to 12.04 and didn't like it because the newer ati driver that came with it made miner less efficient. So I reinstalled Ubuntu 11.04. Is Ubuntu 12.04 needed? Is it safe?

I don't want to disable a perfectly good bitcoin miner for litecoins.

Sam

Litecoin mining is not for the faint of heart. You need to be willing to break things and crash lots trying to get it working. You don't sound ready.

sgravina

sr. member

Activity: 451

Merit: 250

Quote from: -ck on July 29, 2012, 06:39:25 PM

Update your sdk, and note that cgminer 2.6.0 is broken

Thanks for the advice. I'm running Ubuntu 11.04. I have:

ati-driver-installer-11-6-x86.x86_64.run,
AMD-APP-SDK-v2.5-lnx64.tgz

installed. Which of those should I update?

I once updated Ubuntu to 12.04 and didn't like it because the newer ati driver that came with it made miner less efficient. So I reinstalled Ubuntu 11.04. Is Ubuntu 12.04 needed? Is it safe?

I don't want to disable a perfectly good bitcoin miner for litecoins.

Sam

iCEBREAKER

legendary

Activity: 2156

Merit: 1072

Crypto is the separation of Power and State.

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!

-ck

legendary

Activity: 4088

Merit: 1631

Ruu \o/

Update your sdk, and note that cgminer 2.6.0 is broken

sgravina

sr. member

Activity: 451

Merit: 250

Help requested.

I have three 5850's

Here is my command:

Code:

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:

Code:

[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:

EskimoBob

legendary

Activity: 910

Merit: 1000

Quality Printing Services by Federal Reserve Bank

Quote from: Luke-Jr on July 29, 2012, 03:17:50 PM

Quote from: EskimoBob on July 29, 2012, 03:13:29 PM

Quote from: Luke-Jr on July 29, 2012, 02:53:20 PM

Merged into BFGMiner (minus the sick bug)

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.

Luke-Jr

legendary

Activity: 2576

Merit: 1186

Quote from: EskimoBob on July 29, 2012, 03:13:29 PM

Quote from: Luke-Jr on July 29, 2012, 02:53:20 PM

Merged into BFGMiner (minus the sick bug)

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.

EskimoBob

legendary

Activity: 910

Merit: 1000

Quality Printing Services by Federal Reserve Bank

Quote from: Luke-Jr on July 29, 2012, 02:53:20 PM

Merged into BFGMiner (minus the sick bug)

A merge and a fix from a guy who is known for is loathing of LTC? Really!

Luke-Jr

legendary

Activity: 2576

Merit: 1186

Merged into BFGMiner (minus the sick bug)

pekv2

hero member

Activity: 770

Merit: 502

Quote from: nitrox on July 29, 2012, 01:44:15 PM

Quote from: pekv2 on July 29, 2012, 01:33:55 PM

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.

nitrox

member

Activity: 136

Merit: 10

tester

Quote from: pekv2 on July 29, 2012, 01:33:55 PM

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.

pekv2

hero member

Activity: 770

Merit: 502

Quote from: penek on July 29, 2012, 01:27:31 PM

Quote from: nitrox on July 29, 2012, 01:19:56 PM

when increasing intensity start rejecting ... Embarrassed

I'm at a loss

I believe nitrox is stating that when you increase the intensity, cgminer is likely to have more rejected shares.

penek

legendary

Activity: 976

Merit: 1003

Quote from: nitrox on July 29, 2012, 01:19:56 PM

when increasing intensity start rejecting ... Embarrassed

I'm at a loss

nitrox

member

Activity: 136

Merit: 10

tester

when increasing intensity start rejecting ... Embarrassed

penek

legendary

Activity: 976

Merit: 1003

Quote from: nitrox on July 29, 2012, 12:05:09 PM

Quote from: penek on July 29, 2012, 12:00:55 PM

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)

Topic: ATTN Litecoin GPU Miners - Scrypt support for cgminer - page 3. (Read 175855 times)