Nvidia hotfix driver 376.48 that fix folding

It seems that a lot of GPU problems revolve around specific versions of drivers. Though NVidia has their own support structure, you can often learn from information reported by others who fold.

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Nvidia hotfix driver 376.48 that fix folding

Postby foldy » Thu Dec 22, 2016 10:44 am

Nvidia hotfix driver 376.48 that fix folding.
http://nvidia.custhelp.com/app/answers/detail/a_id/4288
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Re: Nvidia hotfix driver 376.48 that fix folding

Postby cruswi » Thu Dec 22, 2016 2:40 pm

... works for me :-)
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Re: Nvidia hotfix driver 376.48 that fix folding

Postby ChristianVirtual » Thu Dec 22, 2016 2:41 pm

cruswi wrote:... works for me :-)


Impact on performance, positive or negative ? Can you compare TFP before and after ?
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Re: Nvidia hotfix driver 376.48 that fix folding

Postby cruswi » Thu Dec 22, 2016 6:06 pm

ChristianVirtual wrote:
cruswi wrote:... works for me :-)


Impact on performance, positive or negative ? Can you compare TFP before and after ?

No, no noticeable changes in performance. Tested both drivers with two GTX 980 working on PRCG 9179 and 13112 at about 90% of done WUs: Deviations of Estimated TPF are marginal, not evident (1-3 seconds).
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Re: Nvidia hotfix driver 376.48 that fix folding

Postby foldy » Thu Dec 22, 2016 8:08 pm

Same here, work unit 11407 (9, 28, 22)
372.90 TPF 3:15
376.48 TPF 3:19
So only a marginal difference.
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Re: Nvidia hotfix driver 376.48 that fix folding

Postby foldy » Wed Jan 11, 2017 5:16 pm

After several work units finished successful with this driver, now a work unit failed with clEnqueueReadBuffer (-5) at 84%
Code: Select all
*********************** Log Started 2017-01-06T12:28:13Z ***********************
12:28:13:************************* Folding@home Client *************************
12:28:13:        Website: http://folding.stanford.edu/
12:28:13:      Copyright: (c) 2009-2016 Stanford University
12:28:13:         Author: Joseph Coffland <joseph@cauldrondevelopment.com>
12:28:13:           Args: --open-web-control
12:28:13:         Config: C:\ProgramData\FAHClient\config.xml
12:28:13:******************************** Build ********************************
12:28:13:        Version: 7.4.16
12:28:13:           Date: Jan 6 2017
12:28:13:           Time: 00:25:14
12:28:13:     Repository: Git
12:28:13:       Revision: a9e9e27dc2ee6ff01398c439677bc27f6cb74032
12:28:13:         Branch: master
12:28:13:       Compiler: Visual C++ 2008
12:28:13:        Options: /TP /nologo /EHa /wd4297 /wd4103 /Ox -arch:SSE /MT
12:28:13:       Platform: win32 10
12:28:13:           Bits: 32
12:28:13:           Mode: Release
12:28:13:******************************* System ********************************
12:28:13:            CPU: Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz
12:28:13:         CPU ID: GenuineIntel Family 6 Model 42 Stepping 7
12:28:13:           CPUs: 4
12:28:13:         Memory: 15.60GiB
12:28:13:    Free Memory: 10.16GiB
12:28:13:        Threads: WINDOWS_THREADS
12:28:13:     OS Version: 6.1
12:28:13:    Has Battery: false
12:28:13:     On Battery: false
12:28:13:     UTC Offset: 1
12:28:13:            PID: 4344
12:28:13:            CWD: C:\ProgramData\FAHClient
12:28:13:             OS: Windows 7 Professional
12:28:13:        OS Arch: AMD64
12:28:13:           GPUs: 2
12:28:13:          GPU 0: Bus:1 Slot:0 Func:0 ATI:5 Tahiti PRO [Radeon R9 280/HD
12:28:13:                 7900/8950]
12:28:13:          GPU 1: Bus:2 Slot:0 Func:0 NVIDIA:5 GM204 [GeForce GTX 970]
12:28:13:  CUDA Device 0: Platform:0 Device:0 Bus:2 Slot:0 Compute:5.2 Driver:8.0
12:28:13:OpenCL Device 0: Platform:0 Device:0 Bus:1 Slot:0 Compute:1.2 Driver:2117.13
12:28:13:OpenCL Device 2: Platform:1 Device:0 Bus:2 Slot:0 Compute:1.2 Driver:376.48
12:28:13:  Win32 Service: false
12:28:13:***********************************************************************
12:28:13:<config>
12:28:13:  <!-- Client Control -->
12:28:13:  <disable-sleep-when-active v='false'/>
12:28:13:
12:28:13:  <!-- Folding Core -->
12:28:13:  <checkpoint v='5'/>
12:28:13:
12:28:13:  <!-- Folding Slot Configuration -->
12:28:13:  <client-type v=''/>
12:28:13:  <max-packet-size v='small'/>
12:28:13:
12:28:13:  <!-- Network -->
12:28:13:  <proxy v=':8080'/>
12:28:13:
12:28:13:  <!-- Slot Control -->
12:28:13:  <power v='FULL'/>
12:28:13:
12:28:13:  <!-- User Information -->
12:28:13:  <passkey v='********************************'/>
12:28:13:  <team v='224497'/>
12:28:13:  <user v='TurboPC_ALL_13JTuSEpKsfRUTdrHdiaMVjdQW688eiu74'/>
12:28:13:
12:28:13:  <!-- Work Unit Control -->
12:28:13:  <next-unit-percentage v='100'/>
12:28:13:
12:28:13:  <!-- Folding Slots -->
12:28:13:  <slot id='1' type='GPU'>
12:28:13:    <gpu-index v='0'/>
12:28:13:  </slot>
12:28:13:  <slot id='0' type='GPU'>
12:28:13:    <gpu-index v='1'/>
12:28:13:  </slot>
12:28:13:</config>
12:28:13:Trying to access database...
12:28:13:Successfully acquired database lock
12:28:13:Enabled folding slot 01: READY gpu:0:Tahiti PRO [Radeon R9 280/HD 7900/8950]
12:28:13:Enabled folding slot 00: READY gpu:1:GM204 [GeForce GTX 970]
...
17:06:48:WU00:FS00:0x21:Completed 2100000 out of 2500000 steps (84%)
17:07:41:WU00:FS00:0x21:ERROR:exception: Error downloading array energyBuffer: clEnqueueReadBuffer (-5)
17:07:41:WU00:FS00:0x21:Saving result file logfile_01.txt
17:07:41:WU00:FS00:0x21:Saving result file log.txt
17:07:41:WU00:FS00:0x21:Folding@home Core Shutdown: BAD_WORK_UNIT
17:07:42:WARNING:WU00:FS00:FahCore returned: BAD_WORK_UNIT (114 = 0x72)
17:07:42:WU00:FS00:Sending unit results: id:00 state:SEND error:FAULTY project:9191 run:2 clone:24 gen:151 core:0x21 unit:0x000000dfab40415457cb2ce1fb67e874
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Re: Nvidia hotfix driver 376.48 that fix folding

Postby silverpulser » Wed Jan 11, 2017 10:33 pm

Elsewhere it has been said that:-

But Folders are noticing a 100K-300K drop in Folding points per card with these drivers.


thats because theres a bug in the fah_core that needs resolving, the nvidia side fix was a work around that reduces performance.
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Re: Nvidia hotfix driver 376.48 that fix folding

Postby 7im » Wed Jan 11, 2017 10:41 pm

silverpulser wrote:Elsewhere it has been said that:-

But Folders are noticing a 100K-300K drop in Folding points per card with these drivers.

thats because theres a bug in the fah_core that needs resolving, the nvidia side fix was a work around that reduces performance.


Because the points curve is so steep in the faster GPUs, even a few seconds per frame, which is truly marginal in reality, creates an unrealistic difference in points, aka the 100K-300K difference you saw mentioned elsewhere.
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