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Author Topic: python OpenCL bitcoin miner  (Read 1200860 times)
NetTecture
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July 16, 2011, 07:49:46 AM
 #1001

Some comments and questions Wink

* What happened to options like AGGRESSION etc.? I can not enter them anymore.
* Can we as next step get multi GPU support? So that one can define multiple GPU or just something like -d all and it uses all GPU? Quite a lot of people I think run multi card configs with the same card everywhere, makes everything easier.
* Is there a way to get rid of the new measurement output and put it back to "line by line"? Easier for those starting the miner from a control program that then parses the output Wink Not sure I overlooked that.

Besides that - good thing.
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July 17, 2011, 05:50:04 PM
 #1002

Some comments and questions Wink

* What happened to options like AGGRESSION etc.? I can not enter them anymore.
* Can we as next step get multi GPU support? So that one can define multiple GPU or just something like -d all and it uses all GPU? Quite a lot of people I think run multi card configs with the same card everywhere, makes everything easier.
* Is there a way to get rid of the new measurement output and put it back to "line by line"? Easier for those starting the miner from a control program that then parses the output Wink Not sure I overlooked that.

Besides that - good thing.


aggression = frames


and the line by line, try the --verbose mode
SeW900
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July 18, 2011, 04:11:43 PM
 #1003

Hey guys, the new Catalyst drivers come with support for OpenCL and AMD APP. So is the installation of the SDK still required, or is it not?

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July 19, 2011, 08:44:45 PM
 #1004

Latest poclbm mainline breaks with the new difficulty!

Bugfix: http://gitorious.org/~Luke-Jr/bitcoin/luke-jrs-poclbm/commit/7fdc508a1070f5540046f2d7649eed15503177ad
To merge:
Code:
git fetch https://git.gitorious.org/~Luke-Jr/bitcoin/luke-jrs-poclbm.git bugfix_difficulty_error && git merge FETCH_HEAD

If this saves you time and money, consider dropping me some bitcoin Smiley 1AgqndFUg2sDSxW8NbzPyHvUibW6FHqQeA

OCedHrt
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July 20, 2011, 12:14:53 AM
 #1005

Does the current git run?

Code:
Traceback (most recent call last):
  File "C:\Users\Michael Hsu\Desktop\m0mchil-poclbm-1b5ec3e\HttpTransport.py", l
ine 45, in loop
    self.queue_work(work)
  File "C:\Users\Michael Hsu\Desktop\m0mchil-poclbm-1b5ec3e\Transport.py", line
122, in queue_work
    self.process(work)
  File "C:\Users\Michael Hsu\Desktop\m0mchil-poclbm-1b5ec3e\Transport.py", line
81, in process
    self.set_difficulty(work.difficulty)
  File "C:\Users\Michael Hsu\Desktop\m0mchil-poclbm-1b5ec3e\Transport.py", line
76, in set_difficulty
    self.true_target = np.array(unpack('IIIIIIII', true_target.decode('hex')), d
type=np.uint32)
  File "c:\Python27\lib\encodings\hex_codec.py", line 42, in hex_decode
    output = binascii.a2b_hex(input)
TypeError: Odd-length string
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July 20, 2011, 12:42:18 AM
 #1006

Does the current git run?
Try reading the post right above yours?

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July 20, 2011, 03:35:38 AM
 #1007

It prints newlines on every hash rate update when run in lxterminal (linuxcoin).  

Anyone experience the same?  Know why?

EDIT: was told this is because of the width of the terminal window.  There is some extra whitespace after the hash rate text which wraps around to form blank lines if the the terminal window isn't wide enough.

so how did you fix it? i want a clean command prompt @ windows Sad

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July 20, 2011, 04:00:44 AM
 #1008

Latest poclbm mainline breaks with the new difficulty!

Bugfix: http://gitorious.org/~Luke-Jr/bitcoin/luke-jrs-poclbm/commit/7fdc508a1070f5540046f2d7649eed15503177ad
To merge:
Code:
git fetch https://git.gitorious.org/~Luke-Jr/bitcoin/luke-jrs-poclbm.git bugfix_difficulty_error && git merge FETCH_HEAD

If this saves you time and money, consider dropping me some bitcoin Smiley 1AgqndFUg2sDSxW8NbzPyHvUibW6FHqQeA

Once again, Luke Jr. saves the day.

Here's the patch for the actually curious:
Code:
--- a/Transport.py
+++ b/Transport.py
@@ -62,7 +62,7 @@ class Transport(object):

        def set_difficulty(self, difficulty):
                self.difficulty = difficulty
-               bits = '%08x' % (difficulty,)
+               bits = hex(difficulty)
                bits = bits[2:len(bits) - 1]
                bits = ''.join(list(chunks(bits, 2))[::-1])
                true_target = hex(int(bits[2:], 16) * 2 ** (8 * (int(bits[:2], 16) - 3)))

ISO: small island nations with large native populations excited to pay tribute to flying gods, will trade BTC.
OCedHrt
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July 20, 2011, 05:03:33 AM
 #1009


Didn't click through Smiley

But, shouldn't also:

-        bits = bits[2:len(bits) - 1]

In that case? This is to remove the 0x and L.
Luke-Jr
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July 20, 2011, 05:37:50 AM
 #1010


Didn't click through Smiley

But, shouldn't also:

-        bits = bits[2:len(bits) - 1]

In that case? This is to remove the 0x and L.
Good catch, also sanitized the code immediately following it and repushed...

bitcoindaddy
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July 20, 2011, 05:22:15 PM
 #1011

Latest poclbm mainline breaks with the new difficulty!

Bugfix: http://gitorious.org/~Luke-Jr/bitcoin/luke-jrs-poclbm/commit/7fdc508a1070f5540046f2d7649eed15503177ad
To merge:
Code:
git fetch https://git.gitorious.org/~Luke-Jr/bitcoin/luke-jrs-poclbm.git bugfix_difficulty_error && git merge FETCH_HEAD

If this saves you time and money, consider dropping me some bitcoin Smiley 1AgqndFUg2sDSxW8NbzPyHvUibW6FHqQeA

Luke-Jr, what is the comand if you are just starting out fresh with your special poclbm and you don't already have it? (I'm no git expert). Does it depend on the normal poclbm (does that need to be installed first)?
Luke-Jr
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July 20, 2011, 05:51:13 PM
 #1012

Latest poclbm mainline breaks with the new difficulty!

Bugfix: http://gitorious.org/~Luke-Jr/bitcoin/luke-jrs-poclbm/commit/7fdc508a1070f5540046f2d7649eed15503177ad
To merge:
Code:
git fetch https://git.gitorious.org/~Luke-Jr/bitcoin/luke-jrs-poclbm.git bugfix_difficulty_error && git merge FETCH_HEAD

If this saves you time and money, consider dropping me some bitcoin Smiley 1AgqndFUg2sDSxW8NbzPyHvUibW6FHqQeA

Luke-Jr, what is the comand if you are just starting out fresh with your special poclbm and you don't already have it? (I'm no git expert). Does it depend on the normal poclbm (does that need to be installed first)?
Code:
git clone git://github.com/m0mchil/poclbm.git && cd poclbm && git fetch https://git.gitorious.org/~Luke-Jr/bitcoin/luke-jrs-poclbm.git bugfix_difficulty_error && git merge FETCH_HEAD

ivank2139
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July 21, 2011, 04:32:53 AM
 #1013

Latest poclbm mainline breaks with the new difficulty!

Bugfix: http://gitorious.org/~Luke-Jr/bitcoin/luke-jrs-poclbm/commit/7fdc508a1070f5540046f2d7649eed15503177ad
To merge:
Code:
git fetch https://git.gitorious.org/~Luke-Jr/bitcoin/luke-jrs-poclbm.git bugfix_difficulty_error && git merge FETCH_HEAD

If this saves you time and money, consider dropping me some bitcoin Smiley 1AgqndFUg2sDSxW8NbzPyHvUibW6FHqQeA

This fix worked for me and got me back to mining at full complement.  I sent you some bitcoins.  thanks.
NickW
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July 24, 2011, 12:01:08 AM
 #1014

The current version is great, but could we get more significant figures on the stale share percentage please? I know I can easily put in to a calculator myself, but it would be nice to see straight away rather then seeing 0% most of the time Smiley.

Keep up the good work though.

1DRCGzEkMhhzieEkDg3e8kUKt1mVM5uqNs
bitcoindaddy
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July 24, 2011, 12:14:27 PM
 #1015

The newest version already shows percentage out to the thousandth's place. 

pit.deepbit.net:8332 [321.472 MH/s (~305 MH/s)] [Rej: 8/2430 (0.33%)]           
zubatej
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July 26, 2011, 06:27:36 PM
 #1016

Switching to backup pools fails because of variable name mismatch. Rename either all occurences of backup_server_index to backup_pool_index or other way around. Can be done by
Code:
sed -i 's/backup_server_index/backup_pool_index/' Transport.py
Luke-Jr
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July 29, 2011, 03:27:58 AM
 #1017

Here's a new bugfix: http://tinyurl.com/3qo2j3o
Synopsis: Don't turn off X-Roll-Ntime just because the work submit doesn't include the header.
(it really should associate it to the specific work, but this is good enough)

BOARBEAR
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July 29, 2011, 09:38:39 PM
 #1018

Here's a new bugfix: http://tinyurl.com/3qo2j3o
Synopsis: Don't turn off X-Roll-Ntime just because the work submit doesn't include the header.
(it really should associate it to the specific work, but this is good enough)
can you make a mod that works with http://forum.bitcoin.org/index.php?topic=7964.0
it is a faster kernel
super6
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July 30, 2011, 03:52:46 PM
 #1019

I'm getting "poclbm.exe has stopped working" errors in guiminer. Will this patch fix it and how do I go about doing that in windows?
Luke-Jr
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July 30, 2011, 09:12:12 PM
 #1020

The following branches are stable for merging to mainline:
  • bugfix_workspecific_rollntime -- Don't disable rollntime if the header is missing on share submissions (only on new work)
  • extensions_header -- Send X-Mining-Extensions and X-Mining-Hashrate headers
  • logformat -- Split off log-style printing into a separate --logformat option
  • efficiency -- Display work efficiency (accepted shares / works)
  • submit_retry -- Retry submitting works after network errors

The above are all merged into my branch named combo.

I also have a extended_timeout branch that people with poor network connectivity can merge to get a more reliable mining experience. This one is not part of combo, and probably not suitable for merging to mainline.

To pull any of the above, run:
Code:
git fetch git://gitorious.org/~Luke-Jr/bitcoin/luke-jrs-poclbm.git PutBranchNameHere && git merge FETCH_HEAD

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