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Author Topic: python OpenCL bitcoin miner  (Read 1193106 times)
m4rkiz
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March 11, 2011, 07:37:06 PM
 #661

similar problem with q6600 + 5970, W7 x64, ati 2.3.451

each instance of poclb using one core to the full


no such problem with single 5870 - it uses 3-5% of cpu
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m0mchil
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March 11, 2011, 10:00:41 PM
 #662

Miner updated with support for long polling, see http://bitcointalk.org/index.php?topic=3889.msg63957#msg63957

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March 13, 2011, 03:43:19 AM
 #663

Latest version, shut it down by doing CTRL+c

Code:
13/03/2011 04:41:47, Unexpected error:
Traceback (most recent call last):
  File "BitcoinMiner.pyo", line 285, in mine
  File "Queue.pyo", line 177, in get
  File "threading.pyo", line 256, in wait
IOError: [Errno 4] Interrupted function call

bye
DarkMatter
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March 13, 2011, 06:55:35 PM
 #664

HD5770 + Ati Stream 2.1 + Catalyst + Windows 7 64bit = worked out of teh box without any issue.
Well, actually i have an issue: 25% constant cpu load (quad core machine).
I only have one miner instance open, crunching at +- 170Mhash/s with the gpu.
How come it is using that CPU core?

[edit]
@m0m
Hey man, could you please update the executable on OP?
I'm lazy to setup a compiling environment Tongue
[/edit]

do Ctrl alt delete and check your processes to see what is using your CPU

poclbm.exe is using 25% cpu, tot it was obvious Smiley
Not explorer.exe or something else.

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bitjet
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March 13, 2011, 09:52:45 PM
 #665

similar problem with q6600 + 5970, W7 x64, ati 2.3.451

each instance of poclb using one core to the full


no such problem with single 5870 - it uses 3-5% of cpu

Im having the same problem on intel i5.
snedie
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March 13, 2011, 10:47:05 PM
 #666

poclbm: each miner appears to use exactly 25% of your CPU. Open task manager and start/stop a miner.
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March 14, 2011, 06:20:36 AM
 #667

poclbm: each miner appears to use exactly 25% of your CPU. Open task manager and start/stop a miner.


Each miner is using 1/N_Core of your CPU, where n_Core is the number of Cores detected by windows. If you have HyperThreading, enable it to half the CPU usage.

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snedie
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March 14, 2011, 08:16:44 AM
 #668

poclbm: each miner appears to use exactly 25% of your CPU. Open task manager and start/stop a miner.


Each miner is using 1/N_Core of your CPU, where n_Core is the number of Cores detected by windows. If you have HyperThreading, enable it to half the CPU usage.

i5, no hyperthreading Sad
m0mchil
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March 14, 2011, 09:18:14 AM
 #669

It shouldn't use any CPU (unless you use it on your CPU which you should not). Any other CPU usage is cleanly problem of driver + OpenCL SDK + OS.

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March 14, 2011, 09:48:50 AM
 #670

Hi m0mchil I do experience 25% load on the cpu per poclbm instance. I have tried running with 10.11 + 2.1 stream but poclbm refused to load. Also 11.2 + 2.1 doesnt work either saying that no opencl device detected. 11.2 + 2.2 on the other hand runs with the 25% load issue. I am running win 7 64 bit. Any advice on the configuration?

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March 14, 2011, 10:20:28 AM
 #671

poclbm: each miner appears to use exactly 25% of your CPU. Open task manager and start/stop a miner.


Each miner is using 1/N_Core of your CPU, where n_Core is the number of Cores detected by windows. If you have HyperThreading, enable it to half the CPU usage.

This won't half the cpu usage, just apparently.

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qed
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March 14, 2011, 11:19:46 AM
 #672

poclbm: each miner appears to use exactly 25% of your CPU. Open task manager and start/stop a miner.


Each miner is using 1/N_Core of your CPU, where n_Core is the number of Cores detected by windows. If you have HyperThreading, enable it to half the CPU usage.

This won't half the cpu usage, just apparently.

It half the cpu time, as well as Watt and cpu usage %. Another "solution" is to stack all the process in 1 core, changing the Cpu Affinity under the system monitor (CTRL+ALT+CANC).


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March 14, 2011, 12:01:17 PM
 #673

It half the cpu time, as well as Watt and cpu usage %.
No, it just looks that way because Windows will say that 100% of one core on a dual core CPU is 25% instead of 50%. You still only have two cores, and a single process will 100% of it even if you enable HT. Enabling HT will not give you twice as many cores or twice as high performance. If two process use the same core with HT, it will only be a few percent more efficient than using a single core at best. Setting affinity is much better.
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March 14, 2011, 01:48:17 PM
 #674

It half the cpu time, as well as Watt and cpu usage %.
No, it just looks that way because Windows will say that 100% of one core on a dual core CPU is 25% instead of 50%. You still only have two cores, and a single process will 100% of it even if you enable HT. Enabling HT will not give you twice as many cores or twice as high performance. If two process use the same core with HT, it will only be a few percent more efficient than using a single core at best. Setting affinity is much better.

Too bad my Watt meter do not agree with you.

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March 14, 2011, 01:58:44 PM
 #675

Windows has probably put two process on the same core, then.
DarkMatter
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March 14, 2011, 03:10:42 PM
 #676

It half the cpu time, as well as Watt and cpu usage %.
No, it just looks that way because Windows will say that 100% of one core on a dual core CPU is 25% instead of 50%. You still only have two cores, and a single process will 100% of it even if you enable HT. Enabling HT will not give you twice as many cores or twice as high performance. If two process use the same core with HT, it will only be a few percent more efficient than using a single core at best. Setting affinity is much better.

Too bad my Watt meter do not agree with you.

It's not that hard
http://en.wikipedia.org/wiki/Hyper-threading

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marcus_of_augustus
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March 15, 2011, 11:10:56 PM
 #677


What's the new message all about ...

16/03/2011 11:53:09, 68b26a98, accepted                     
16/03/2011 11:53:19, a7c9af8b, accepted                     
16/03/2011 11:54:54, a59d5bc1, accepted                     
16/03/2011 11:56:08, 06783321, accepted                     m0mchil's python miner
16/03/2011 11:56:51, 14d00ef9, accepted                     
16/03/2011 11:57:57, 676f7efb, accepted                     

Litt
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March 16, 2011, 08:42:31 AM
 #678

win 7 64 with 2 6970's and I'm getting 50% usage. 25% for each gpu instance. Was on 2.3 11.2 and was having this prob. Now on 11.4 and 2.4 and still having the same usage prob. Doesn't fix anything.
fatcom4
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March 16, 2011, 10:31:26 AM
 #679

When I download it on Windows 7 it says "What should Firefox do with this file?" then you can tick a "Open with" box that has a "Browse..." button after it, or a "Save File" box. I tried both but I didn't know what program to open it with. Also, I followed the first three steps of these instructions. Only the first three because the rest was for after downloading the miner.

http://bc.x14.eu/sigs/7c68dc28.png (http://bc.x14.eu/s/74)
There's a game called minethings (http://www.minethings.com/miners/index/+21974). It's awesome.
urizane
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March 16, 2011, 10:37:21 AM
 #680

It's a 7zip file.  Open it with any good archiver like 7zip/WinRAR/etc....
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