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Author Topic: Improve Mining  (Read 749 times)
h0ud1n1
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September 01, 2013, 10:50:13 PM
 #1

Hello everyone,

Few days ago I had a HD 5570 and was getting about 80M/hash. I recentrly bought a HD 7770 wih 1Gb and I only get aroud 50. The bfg an cg miner are not working since a switch card so i used the guiminer to test it, but i'd like to know if you could give me some advice to boost the hash rate of my  graphic card or any tip on how to get bfgminer working back. i've search the error and didn't find anything usefull.


I got a basic PC if it make any differences, 2GB of RAM, core 2 duo proc, and quite old mobo but it's doing it.

the part of the log file :


 [2013-09-01 17:32:34] Unknown stratum msg: {"error": [-3, "Method 'get_transactions' not found for service 'mining'", null], "id": "txlist467b", "result": null}
 [2013-09-01 17:32:34] Network difficulty changed to 65.8M (470.7Th/s)
 [2013-09-01 17:32:34] New block: ...b327fc21 #255555 diff 65.8M (470.7Th/s)
 [2013-09-01 17:32:34] Stratum from pool 0 detected new block
 [2013-09-01 17:32:34] Pool 0 is hiding block contents from us
 [2013-09-01 17:32:34] Unknown stratum msg: {"error": [-3, "Method 'get_transactions' not found for service 'mining'", null], "id": "txlist467b", "result": null}
 [2013-09-01 17:32:35] Init GPU thread 0 GPU 0 virtual GPU 0
 [2013-09-01 17:32:35] CL Platform vendor: Advanced Micro Devices, Inc.
 [2013-09-01 17:32:35] CL Platform name: AMD Accelerated Parallel Processing
 [2013-09-01 17:32:35] CL Platform version: OpenCL 1.2 AMD-APP (1124.2)
 [2013-09-01 17:32:35] List of devices:
 [2013-09-01 17:32:35]    0   Capeverde
 [2013-09-01 17:32:35] Selected 0: Capeverde
Failed to init bfd from (C:\WINDOWS\SYSTEM32\amdocl.dll)
0x5135ada0 : C:\WINDOWS\SYSTEM32\amdocl.dll : clGetSamplerInfo
Failed to init bfd from (C:\WINDOWS\SYSTEM32\amdocl.dll)
0x5135b13a : C:\WINDOWS\SYSTEM32\amdocl.dll : clGetSamplerInfo
Failed to init bfd from (C:\WINDOWS\SYSTEM32\amdocl.dll)
0x5135b1c2 : C:\WINDOWS\SYSTEM32\amdocl.dll : clGetSamplerInfo
Failed to init bfd from (C:\WINDOWS\SYSTEM32\amdocl.dll)
0x5131eea4 : C:\WINDOWS\SYSTEM32\amdocl.dll : clGetSamplerInfo
Failed to init bfd from (C:\WINDOWS\SYSTEM32\amdocl.dll)
0x515302df : C:\WINDOWS\SYSTEM32\amdocl.dll : runSlotMaximizer








if you need more info i'd be glad to give them to you

thanks to anyone who can help it.
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d7RA27
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September 01, 2013, 11:00:35 PM
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I use guiminer, i find it to be much simpler. Have you compared your speeds and settings with the wikis?
Macieja
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September 01, 2013, 11:04:39 PM
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uninstall old driver using proper program as ''driver fusion'' than install the new one.
h0ud1n1
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September 01, 2013, 11:07:01 PM
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I use guiminer, i find it to be much simpler. Have you compared your speeds and settings with the wikis?


i was using guiminer and one day find out that i could get better rate with bfgminer or cgminer and it was true, i was also getting 50M/hash with the old card and when i try bfgminer i got 80.

And on the wikis people got 182 - 213M/hash with the card i got with lower speed, but there was not really any setting exept the miner wich is poclbm


uninstall old driver using proper program as ''driver fusion'' than install the new one.

thanks for the tip will try in few minutes
h0ud1n1
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September 02, 2013, 08:20:02 PM
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i tried almost every thing and I can't reinstall the driver, still working on this
rigelsix
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September 02, 2013, 11:07:39 PM
 #6

You should be getting around 200-250MH/s with that 7770, based on info here:

https://en.bitcoin.it/wiki/Mining_hardware_comparison

The AMD drivers really are a big deal. I've had continuous problems with the 13.4 drivers (newest as of now). I've got one mining machine running the 13.1 drivers without problems.

Also, I really recommend guiminer if you are having problems:

https://bitcointalk.org/?topic=3878.0


13YwDmRKxAzkxkcWnirQhwv66v6ZzSgHQY
h0ud1n1
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September 02, 2013, 11:39:38 PM
 #7

I finaly got the driver working and bfg working, with my config I got 240MH/s with default settings,
the problem was the driver so i should be Ok with bfg now, i'll try to get better MH/s in few days.
i will probably put it here if i get something really good
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