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Author Topic: OFFICIAL CGMINER mining software thread for linux/win/osx/mips/arm/r-pi 4.9.2  (Read 4827638 times)
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Krak
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March 28, 2012, 10:30:07 PM
 #4761

If Windows falls flat on its face and Ubuntu dies in pain, what makes you think that the faildrivers won't take down OS X just as easily?

You need to learn some basic sysadmin tactics - never-ever deploy untested updates on production machines.
Your miners are your production machines.
Leave good enough alone - find a working driver/sdk combo and do yourself the favor of never touching it without a very good reason.

I've once seen my Debian systems "lose" the AMD driver following a slew of system updates. Fglrx module could no longer be found, manual reinstallation of the driver package helped.
OS X has always been great for me. It's just that I lose about 100 MH/s per card when I try to mine with it.

I just have the one miner. I try to keep it up-to-date just to satisfy my own paranoia.

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March 28, 2012, 10:34:16 PM
 #4762

GPU mining sure can be exciting. I had a reference fan on one of my sapphire 6970s fail in spectacular fashion last night. About 1/8th of the blades came flying off into the GPU and then it seized. The GPU still works but obviously won't cool so I can't mine with it. It happened on start up when the fans spin up abruptly to 85% so I've reluctantly relinquished that default speed now to a much gentler 50% on autofan startup and autofan management should be fast enough to raise it if necessary. It's still under warranty, and at least the rest of the machine is still running so nothing like the PSU drama I had and the mobo one before it. Sheesh...

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jake262144
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March 28, 2012, 10:51:52 PM
 #4763

GPU mining sure can be exciting...
Con, you might be interested in P4man's solution. Fastening the fan with duct tape won't void your warranty.

BTW, whatever did happen to that PSU of yours? Feel like sharing some data points? What make and model was it? What load did it typically pull?
Oftentimes, glitches at the production plant like solder points with inadequate amount of solder won't be severe enough to render the device completely inoperable but they will make themselves known (perhaps even with a bang and some fireworks) as the load increases.
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March 28, 2012, 11:00:40 PM
 #4764

If Windows falls flat on its face and Ubuntu dies in pain, what makes you think that the faildrivers won't take down OS X just as easily?

You need to learn some basic sysadmin tactics - never-ever deploy untested updates on production machines.
Your miners are your production machines.
Leave good enough alone - find a working driver/sdk combo and do yourself the favor of never touching it without a very good reason.

I've once seen my Debian systems "lose" the AMD driver following a slew of system updates. Fglrx module could no longer be found, manual reinstallation of the driver package helped.
OS X has always been great for me. It's just that I lose about 100 MH/s per card when I try to mine with it.

I just have the one miner. I try to keep it up-to-date just to satisfy my own paranoia.
Use the xubuntu install (to HDD) in my sig Smiley
I'm still using Xubuntu 11.04 which is SDK 2.4 and Driver 11.6? (well it is either 11.4 or 11.6 not 100% sure which it is coz ATI had 2 different driver numbers for linux and windows back then)
Unless you have a new 7 series ATI card use "old reliable" Smiley

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March 28, 2012, 11:23:00 PM
 #4765

GPU mining sure can be exciting...
Con, you might be interested in P4man's solution. Fastening the fan with duct tape won't void your warranty.

BTW, whatever did happen to that PSU of yours? Feel like sharing some data points? What make and model was it? What load did it typically pull?
Oftentimes, glitches at the production plant like solder points with inadequate amount of solder won't be severe enough to render the device completely inoperable but they will make themselves known (perhaps even with a bang and some fireworks) as the load increases.
Heh I don't have room to stuff a fan over that.

The PSU I actually am still happy with now even though it failed. It was an OCZ gold 1250W and it was pulling about 1300W for about 7 months. It went poof on fan spin-up as well.

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March 28, 2012, 11:48:54 PM
 #4766

Use the xubuntu install (to HDD) in my sig Smiley
I'm still using Xubuntu 11.04 which is SDK 2.4 and Driver 11.6? (well it is either 11.4 or 11.6 not 100% sure which it is coz ATI had 2 different driver numbers for linux and windows back then)
Unless you have a new 7 series ATI card use "old reliable" Smiley
Thanks, but seeing as this is my main computer, I want a fully functioning operating system.

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March 29, 2012, 01:34:17 AM
 #4767

Created a poll about a change to cgminer ... if anyone is interested Tongue

https://bitcointalk.org/index.php?topic=74532.0

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March 29, 2012, 08:51:10 PM
 #4768

I've made a couple of what I believe to be low-risk changes to the phatk kernel in the git tree. Given how precarious this kernel has shown to be in the past, I would like it if someone has an R5xxx card and runs from git could please git it a try and confirm no loss of hashrate. Thanks.

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March 29, 2012, 09:44:53 PM
 #4769

will try when I get home...

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March 29, 2012, 10:42:01 PM
 #4770

Thanks.

Finally upgraded to linux 12.3 driver. This one isn't as shit as 12.2 which was making my 7970 die. No difference to performance (as it is the identical 898.1 SDK) so a safe choice for GCN users.

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March 29, 2012, 10:44:34 PM
 #4771

I sure hope you guys deleted the .bin files before doing this "testing" with the new kernels / drivers Roll Eyes

Just stating the obvious here Grin
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March 30, 2012, 12:51:03 AM
 #4772

I've made a couple of what I believe to be low-risk changes to the phatk kernel in the git tree. Given how precarious this kernel has shown to be in the past, I would like it if someone has an R5xxx card and runs from git could please git it a try and confirm no loss of hashrate. Thanks.
Good job, I'm glad to report zero performance loss on either VLIW-4 or VLIW-5 cards.

The bad news is, there's no noticeable gain either - I believe at this stage it would take no less than three 8-level wizards, an ancient grimoire, a bucket of cat blood and a slew of minor magical odds and ends to boost the hash rate.
At least git update 532179b24d made the code more elegant...
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March 30, 2012, 02:42:32 AM
 #4773

I've made a couple of what I believe to be low-risk changes to the phatk kernel in the git tree. Given how precarious this kernel has shown to be in the past, I would like it if someone has an R5xxx card and runs from git could please git it a try and confirm no loss of hashrate. Thanks.
Good job, I'm glad to report zero performance loss on either VLIW-4 or VLIW-5 cards.

The bad news is, there's no noticeable gain either - I believe at this stage it would take no less than three 8-level wizards, an ancient grimoire, a bucket of cat blood and a slew of minor magical odds and ends to boost the hash rate.
At least git update 532179b24d made the code more elegant...
Thanks very much.
* ckolivas looks at his cat and gets evil thoughts

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March 30, 2012, 04:16:06 AM
 #4774

I'm using cgminer 2.3.1-2 on Windows, and can't get Catalyst 12.2 or later to work with phatk kernel and SDK 2.1. The setup that's working best for me currently is Catalyst 12.1 + SDK 2.1 with the following settings:

"gpu-memclock" : "450",
"gpu-platform" : "1",
"gpu-threads" : "1",
"kernel" : "phatk",
"intensity" : "6",
"vectors" : "2",
"worksize" : "256"

This gets me about 375-380MH/s with a 5870 at stock speed (850MHz). Note that I'm using gpu-platform to select SDK 2.1. Just to clarify, I first install Catalyst 12.1 in express mode, then SDK 2.1. After installing SDK 2.1 cgminer -n shows the additional platform.

There seems to be a problem with Catalyst 12.2 and 12.3, though. I can install either of those + SDK 2.1, and still seem to get the desired hashrate. But no shares are ever submitted! I've tried this a few times now, and cgminer consistently shows the expected hashrate with zero accepted shares. The first time I ran cgminer for a whole night on one rig, and only discovered the problem after looking at my pool stats. Deleting the bin files doesn't help.

It's easy to return to Catalyst 12.1 to get everything working again (already done), but I'd like to have the latest drivers for gaming. If I don't select the SDK at all when installing Catalyst 12.3, and then install SDK 2.4 or 2.5, I still get lower hashrates with underclocked memory. The best I've managed to reach using just Catalyst 12.3 and the included SDK is 365-370MH/s, using diablo kernel. That's close to but still lower than the expected 375-380MH/s. If I'm doing something wrong and diablo should be just as fast as phatk for a 5870, please point that out.

Should phatk + SDK 2.4 or 2.5 have problems with underclocked memory? Does anyone successfully mine with Catalyst 12.2 or later and SDK 2.1, on Windows?
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March 30, 2012, 06:40:12 AM
 #4775

I've made a couple of what I believe to be low-risk changes to the phatk kernel in the git tree. Given how precarious this kernel has shown to be in the past, I would like it if someone has an R5xxx card and runs from git could please git it a try and confirm no loss of hashrate. Thanks.

After running for about 10 mins, I'm getting ~51 MH/s with the changes instead of ~56 MH/s without on my Mobility Radeon 5650. (I tried both versions of the kernel with the current git master, so that other changes wouldn't falsify the results.)

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March 30, 2012, 09:33:39 AM
 #4776

After running for about 10 mins, I'm getting ~51 MH/s with the changes instead of ~56 MH/s without on my Mobility Radeon 5650. (I tried both versions of the kernel with the current git master, so that other changes wouldn't falsify the results.)
sed 's/mins/hours/'
The hashmeter has been tweaked, the measurements should be more stable but now, but it starts slow - please give it more time.
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March 30, 2012, 10:08:52 AM
 #4777

After running for about 10 mins, I'm getting ~51 MH/s with the changes instead of ~56 MH/s without on my Mobility Radeon 5650. (I tried both versions of the kernel with the current git master, so that other changes wouldn't falsify the results.)
sed 's/mins/hours/'
The hashmeter has been tweaked, the measurements should be more stable but now, but it starts slow - please give it more time.

I noticed that. However, after the first 5 mins, there was barely any change for either run.
Note that my hashrate isn't particularly high; any fluctuations were never that high to begin with, and certainly not anywhere near 10%. With the hashmeter change, fluctuations have become even smoother, so I doubt that the hashrate would magically jump 10% just because I let it run a little longer.

AAMOF, I just checked on the run with the old version of phatk which has been running since my last post, and it is still stable at 56 MH/s. I'm initiating another run with the newer version of phatk, but I doubt the results will be significantly different.


Edit: As I expected: after 3.5h the average is at 49.5 MH/s. The Diablo kernel seems to be almost on par with the old phatk, though...

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March 30, 2012, 12:55:42 PM
 #4778

 Wow thanks. If it does nothing at all positive then it's not worth it.

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March 30, 2012, 03:06:35 PM
 #4779

Wow thanks. If it does nothing at all positive then it's not worth it.

I've been using this for over a month now. Smiley

Code:
#elif defined VECTORS2
uint result = W[117].x ? 0u:W[3].x;
     result = W[117].y ? result:W[3].y;
if (result)
output[FOUND] = output[NFLAG & result] = result;
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March 30, 2012, 08:34:52 PM
 #4780

Wow thanks. If it does nothing at all positive then it's not worth it.

I've been using this for over a month now. Smiley

Code:
#elif defined VECTORS2
uint result = W[117].x ? 0u:W[3].x;
     result = W[117].y ? result:W[3].y;
if (result)
output[FOUND] = output[NFLAG & result] = result;

What advantage does this give for 5xxx cards ?

Can we have it default for the next cgminer ?

Thanks !
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