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Author Topic: GPU Mining on OS X Using poclbm  (Read 75912 times)
Threshold
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June 16, 2011, 01:39:42 AM
 #61

rethaw, thanks for posting this.  Downloading Xcode now.  Smiley

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Threshold
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June 16, 2011, 10:35:58 PM
 #62

Doh!

My iMac with its ATI Radeon HD 2600 Pro is chugging away at 2200 khash/s.

Maybe its time to get a new machine!

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rethaw
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June 16, 2011, 10:53:45 PM
 #63

What year iMac is it? Those things hold their value quite well.

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June 16, 2011, 11:25:59 PM
 #64

What year iMac is it? Those things hold their value quite well.

I honestly don't remember.  It must be 5ish years old.

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Randall Flagg
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June 18, 2011, 02:15:03 AM
 #65

I'm curious if you have any theories why Lion is so much faster than Snow Leopard with the same GPU?

New OpenCL implementation (for the new Final Cut)

is that can be upgradable for OS 10.6.7 ?  maybe it will on 10.6.8...
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June 18, 2011, 02:48:04 AM
 #66

After I got around those old curl urls, this worked like a charm! ATI Radeon HD5770 on old Mac Pro chuggin away at around 100Mhash/sec. The GPU is about 20x faster than the CPU! Works perfectly, huge hat tip!  Cool

"old" mac pro ?  what do you mean, i have the exact same amount as you do with mac pro 5,1 with same Ati ...
robin1979
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June 18, 2011, 10:08:02 AM
 #67

Update:

old: MacPro4,1 - OSX Snow Leopard ( 10.6.8 ) - '-f 30 -w 256' - Radeon 5870

180MH/s

newer: MacPro4,1 - OSX Lion ( DP4 ) - '-f 30 -w 256' - Radeon 5870

300MH/s  Grin Grin Grin Grin

new: MacPro4,1 - OSX Lion ( DP4 update 1 ) - '-f 30 -w 256' - Radeon 5870

280MH/s   Shocked Shocked Shocked Shocked


rethaw
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June 18, 2011, 03:19:23 PM
 #68

Update:

new: MacPro4,1 - OSX Lion ( DP4 update 1 ) - '-f 30 -w 256' - Radeon 5870

280MH/s   Shocked Shocked Shocked Shocked


Put in a ticket!

rethaw
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July 09, 2011, 06:31:19 PM
 #69

New version of poclbm has been released. First post changed.

robin1979
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July 11, 2011, 05:55:33 AM
 #70

New version of poclbm has been released. First post changed.

You might want to update it again to specify the new server syntax.
rethaw
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July 11, 2011, 06:02:36 AM
 #71

New version of poclbm has been released. First post changed.

You might want to update it again to specify the new server syntax.

Thanks, got it.

theowalpott
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July 11, 2011, 12:36:42 PM
 #72

Has anyone got any decent performance out of a Mac Pro using poclbm?!? I've got access to one with a 5870 in it, but the best I can get out of it is around 210MH/s - not great!

I've tried running it using the latest version from the git repo, but when I turn vectors on it gets a much lower hashrate, using anything other than the maximum worksize (-w256) seems to cause it to slow down too! It seems to get segfaults all over the place if I don't choose the options very carefully too! I've ended up using an older version of poclbm, which doesnt use the phatk kernel. Anyone got any tips?

btw, this is running a 64-bit version of OS X, 10.6.8. I'm not much of a Mac guy, but I know my way round a linux/unix command line, so I've basically been treating it like a linux box.

Cheers for any help Smiley

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robin1979
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July 11, 2011, 01:40:24 PM
 #73

Has anyone got any decent performance out of a Mac Pro using poclbm?!? I've got access to one with a 5870 in it, but the best I can get out of it is around 210MH/s - not great!

I've tried running it using the latest version from the git repo, but when I turn vectors on it gets a much lower hashrate, using anything other than the maximum worksize (-w256) seems to cause it to slow down too! It seems to get segfaults all over the place if I don't choose the options very carefully too! I've ended up using an older version of poclbm, which doesnt use the phatk kernel. Anyone got any tips?

btw, this is running a 64-bit version of OS X, 10.6.8. I'm not much of a Mac guy, but I know my way round a linux/unix command line, so I've basically been treating it like a linux box.

Cheers for any help Smiley

210MH/s sounds pretty decent for a 5870 under Snow Leopard. I never got it past 180MH/s. Now running Lion (GM), I'm getting a little over 300 (310-320), with the original poclbm kernel.

Could not get the phatk kernel to run with Lion, does weird things and does not submit shares (or very irregular), while it reports speeds over over 1 Thash. I did not have time to debug it yet.
rethaw
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July 11, 2011, 03:37:30 PM
 #74

Hmm sounds like phatk doesn't play nicely. It may be time to branch a mac version.

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July 11, 2011, 04:09:47 PM
 #75

Has anyone got any decent performance out of a Mac Pro using poclbm?!? I've got access to one with a 5870 in it, but the best I can get out of it is around 210MH/s - not great!

I've tried running it using the latest version from the git repo, but when I turn vectors on it gets a much lower hashrate, using anything other than the maximum worksize (-w256) seems to cause it to slow down too! It seems to get segfaults all over the place if I don't choose the options very carefully too! I've ended up using an older version of poclbm, which doesnt use the phatk kernel. Anyone got any tips?

btw, this is running a 64-bit version of OS X, 10.6.8. I'm not much of a Mac guy, but I know my way round a linux/unix command line, so I've basically been treating it like a linux box.

Cheers for any help Smiley

210MH/s sounds pretty decent for a 5870 under Snow Leopard. I never got it past 180MH/s. Now running Lion (GM), I'm getting a little over 300 (310-320), with the original poclbm kernel.

Could not get the phatk kernel to run with Lion, does weird things and does not submit shares (or very irregular), while it reports speeds over over 1 Thash. I did not have time to debug it yet.

Yes, I had the stupidly high hashrate issue with phatk too.. if you let it go for a minute or so, it'll produce a share and then crash out - usually spewing a lot of "verification error" type messages. I went back to the original poclbm kernel, and also made the edit to the Ma define line, which is probably why I got the extra speed.

I'll have to look into getting Lion running on it once its released. It's not my machine though - belongs to my father, who has absolutely no idea what power he has inside it.. sigh. If I had my way, it'd be running linux (and windows for games)! For now though, I've set it to run in the background between 6am and 6pm (they have solar power!) every day - I couldn't even tell it was running as long as the frames were set right (went for -f120). Can't really complain about the extra 200 MH/s for free! Smiley

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rethaw
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July 11, 2011, 04:19:44 PM
 #76

Has anyone got any decent performance out of a Mac Pro using poclbm?!? I've got access to one with a 5870 in it, but the best I can get out of it is around 210MH/s - not great!

I've tried running it using the latest version from the git repo, but when I turn vectors on it gets a much lower hashrate, using anything other than the maximum worksize (-w256) seems to cause it to slow down too! It seems to get segfaults all over the place if I don't choose the options very carefully too! I've ended up using an older version of poclbm, which doesnt use the phatk kernel. Anyone got any tips?

btw, this is running a 64-bit version of OS X, 10.6.8. I'm not much of a Mac guy, but I know my way round a linux/unix command line, so I've basically been treating it like a linux box.

Cheers for any help Smiley

This is more general help, but I strongly advise installing homebrew. Its like a package manager that handles building a lot of the popular linux packages. My snow leopard machine uses python 2.6, I wonder if not being on 2.7 is a problem. It can be installed easily via brew alongside the default installation.

theowalpott
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July 11, 2011, 05:46:46 PM
 #77

Cool, thanks for the tip rethaw. Will take a look at it once I've got some time - got a lot of projects on the go atm Smiley

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pletoss
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January 23, 2012, 04:28:19 PM
 #78

Hi,

I packaged Kiv's poclbm guiminer into a bundled standalone Mac OS X Binary (app) using py2app and some funky voodoo patching action. No dependencies needed, just click'n'run, Apple style ;-).

You can get it from here: https://github.com/downloads/pletoss/poclbm/guiminer-poclbm-macosx.dmg and give it a try. I hope this works for everybody.

It's important to drag it out of the dmg to some place where it is writable before running since it needs to be able to write some log files in the app. Dragging it to Applications as usual should work.

Also - join our pool Wink - btcmp.com, I added api support for balance updating and withdraw into guiminer. It's true pay per share, so no variance what so ever, you instantly get BTC's for each share you submit. We've been mining since July.

If you're interested in the voodoo: https://github.com/pletoss/poclbm.

Cheers,
Pletoss
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January 28, 2012, 08:54:57 PM
 #79

Old Mac Pro 3,1 with an EFI-hacked PC 6870 (hardly a fast card) was getting me around 148 Mhash/sec using poclbm and phoenix.

Not content with that - a hackintosh with a Sapphire 5770 was getting over 100 Mhash/sec using the same software, so I'm switching to cgminer and will try triple-GPU mining with three 5770s on my Hac Pro. The Mac Pro will keep the 6870 and either add in the Genuine Apple HD4870 (expensive and only 80 Mhash/sec), or a couple of single-slot 5770s hacked to EFI (if poss).

The biggest problem with OS X mining on GPUs is that there's no readily available API for overclocking the cards, which is critical for high performance (20-40% increases per card...).

However if they're sitting around.... Wink

...so I give in to the rhythm, the click click clack
I'm too wasted to fight back...


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rethaw
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March 10, 2012, 06:38:19 AM
 #80

If you're having trouble getting mining on mac I suggest using https://en.bitcoin.it/wiki/DiabloMiner .

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