SETI@home v8.12 Windows GPU applications support thread

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Profile Raistmer
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Message 1794924 - Posted: 10 Jun 2016, 3:00:13 UTC

Already known issues and their possible solutions listed here: http://lunatics.kwsn.info/index.php/topic,1809.0.html (info will be updated there if new issues or better solutions will be available).

If you experience GUI lags or video driver restarts while using v8.12 GPU builds please post link to affected host along with (see link above) attempted command lines and one that helped and GPU model. This info will help to improve application's adaptation to your particular setup in future versions.
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Message 1795338 - Posted: 11 Jun 2016, 11:48:30 UTC - in response to Message 1794924.  

Already known issues and their possible solutions listed here: http://lunatics.kwsn.info/index.php/topic,1809.0.html (info will be updated there if new issues or better solutions will be available).

If you experience GUI lags or video driver restarts while using v8.12 GPU builds please post link to affected host along with (see link above) attempted command lines and one that helped and GPU model. This info will help to improve application's adaptation to your particular setup in future versions.



. . For some reason unable to access that url. It times out.
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Message 1795350 - Posted: 11 Jun 2016, 12:33:50 UTC - in response to Message 1795338.  


. . For some reason unable to access that url. It times out.


Appears that lunatics.kwsn.info is down (I would imagine temporarily.)
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Message 1795582 - Posted: 12 Jun 2016, 9:46:38 UTC
Last modified: 12 Jun 2016, 9:47:59 UTC

Cause Lunatics down more than day already worth to repeat already known issues here too:

Known issues:

-GUI lags/driver restarts on some GPU/driver combos:

To reduce/eliminate GUI lags while using v8.12 GPU applications try to add next parameters to applications's command line (there are few different ways to supply command line to app please consult with BOINC documentation and app's Readme ):
-sbs 256 -period_iterations_num 100

Increase value in -period_iterations_num option if needed.

- running together with GPU AstroPulse application and using -total_GPU_instances_num N process instances incorrectly bound to same instead of different CPUs in CPUlock mode.
For single vendor GPUs use older
-instances_per_device N
option for both apps.


For nVidia builds:
- -use_sleep leads to stop of processing with "SoG" 8.12 version
Please use this build instead if you need -use_sleep option: https://cloud.mail.ru/public/3X4g/HwEhUWHCE
Note, that NV GPUs with number of compute units 3 or less have -use_sleep enabled by default so SoG builds will be affected by this issue with default settings.


There can be excessive CPU usage for some of tasks. If lower CPU usage desirable supply
-use_sleep
option to command line.

Detailed descriptions of mentioned options can be found here (for brief description look application's ReadMe file): http://lunatics.kwsn.info/index.php/topic,1808.msg60931.html#msg60931
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Message 1795958 - Posted: 13 Jun 2016, 20:58:47 UTC - in response to Message 1795582.  

To fix SoG hang issue on low-end GPUs or with -use_sleep ebaled please replace existing v8.12 NV SoG binary with one from this pack:
https://cloud.mail.ru/public/6DBh/LD9MQr5Pz
All pack's content should be extracted to project directory.
Best route is to going to anonymous platform.
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Message 1796044 - Posted: 14 Jun 2016, 6:18:12 UTC - in response to Message 1795958.  

I'm getting real good about producing ghosts. Didn't notice the change in the app version from 8.00 > 8.12 in this new r3472 app and dumped my onboard cache of work with the old r3430 app. Probably should have a warning to finish your current work then set NNT and THEN update the app.
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Message 1796055 - Posted: 14 Jun 2016, 7:17:15 UTC - in response to Message 1796044.  

I'm getting real good about producing ghosts. Didn't notice the change in the app version from 8.00 > 8.12 in this new r3472 app and dumped my onboard cache of work with the old r3430 app. Probably should have a warning to finish your current work then set NNT and THEN update the app.

That's why I built a SoG Beta installer - both v8.00 and v8.12 are covered, also transitions between SoG and CUDA, either direction.

r3472 is in the Beta3 installer.
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Message 1796096 - Posted: 14 Jun 2016, 12:59:20 UTC - in response to Message 1796055.  

I'm getting real good about producing ghosts. Didn't notice the change in the app version from 8.00 > 8.12 in this new r3472 app and dumped my onboard cache of work with the old r3430 app. Probably should have a warning to finish your current work then set NNT and THEN update the app.

That's why I built a SoG Beta installer - both v8.00 and v8.12 are covered, also transitions between SoG and CUDA, either direction.

r3472 is in the Beta3 installer.



. . Is that the same r3472 that Raistmer has linked in "testing help wanted" thread?

. . I am guessing that it is so I will switch from CUDA50 to SoG and confirm that.
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Message 1796100 - Posted: 14 Jun 2016, 13:28:57 UTC - in response to Message 1796096.  
Last modified: 14 Jun 2016, 13:29:28 UTC



. . Is that the same r3472 that Raistmer has linked in "testing help wanted" thread?

In testing thread will be published special builds with increased verbosity or even not to run onlline ones (will be directly said in post with link to such build).
Builds posted in this thread (or included in installer) are general public production builds for day-to-day crunching.
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Message 1796257 - Posted: 15 Jun 2016, 4:58:01 UTC - in response to Message 1796055.  

I am still waiting for the general release of the 0.45 Lunatics installer. I thought somebody else should be "pioneers" and take the arrows. Didn't figure that my hesitation and cautiousness would burn me installing just the app I wanted since I have deleted my CUDA apps and settings in my app_info. The new SoG app works so much better on the GUPPI's and works better than CUDA on the non-VLAR in my rigs. I take it you can choose only SoG and not CUDA in the beta installer?
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Message 1796262 - Posted: 15 Jun 2016, 5:24:50 UTC - in response to Message 1796257.  

I take it you can choose only SoG and not CUDA in the beta installer?

No, you can chose either.
I used it to switch to SoG from CUDA50, then back to CUDA50 a day or 2 later without any loss of work or cache.
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Message 1796268 - Posted: 15 Jun 2016, 6:09:03 UTC - in response to Message 1796262.  

I see. I read through the new app_info created and see Richard covered all bases it seems. Entries for all levels of CUDA like old and entries for 8.00 and 8.12 app levels. I still have a question about the choices for AP CPU apps. In my case it defaulted to the old SSE4.1 level for AMD CPU being preferred over AVX. However, don't I remember that since Joe Segur left, the only SSE level of app being used is SSE3? SSE4.1 is not being used even though the installer selects it? In that case choosing the AVX version is faster than the SSE3 version the installer puts in in place of a real SSE4.1 app.
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Message 1796291 - Posted: 15 Jun 2016, 7:04:12 UTC - in response to Message 1796257.  

I am still waiting for the general release of the 0.45 Lunatics installer. I thought somebody else should be "pioneers" and take the arrows. Didn't figure that my hesitation and cautiousness would burn me installing just the app I wanted since I have deleted my CUDA apps and settings in my app_info. The new SoG app works so much better on the GUPPI's and works better than CUDA on the non-VLAR in my rigs. I take it you can choose only SoG and not CUDA in the beta installer?

There won't be a general release of the installer until the application changes have completed and finished. When Raistmer sent me r3472 for inclusion, he also said

There will be new update soon (on next coding window).
No "real" bug fixes but few inefficiency fixes that could improve both CPU times and usability.

Since r3472 was a real bug fix, that implies a v8.13 (or suchlike) stock update too, so I want to wait until I can incorporate that into app_info as well.

I've also posted about the AMD / AVX installer choice in the appropriate thread - that doesn't belong here.
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Message 1796293 - Posted: 15 Jun 2016, 7:09:19 UTC

In Lunatics we trust.
At least the kitties do.
I am also waiting for the next installer to be finalized before I make any other changes here.
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Message 1796380 - Posted: 15 Jun 2016, 15:47:31 UTC

To fix SoG hang issue on low-end GPUs or with -use_sleep ebaled please replace existing v8.12 NV SoG binary with one from this pack:
https://cloud.mail.ru/public/6DBh/LD9MQr5Pz
All pack's content should be extracted to project directory.
Best route is to going to anonymous platform.



Does this version limit the -sbs size on low performance GPUs?
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Message 1796425 - Posted: 15 Jun 2016, 19:49:55 UTC - in response to Message 1796380.  


Does this version limit the -sbs size on low performance GPUs?

No, common default is 128MB. Can be changed via -sbs N option.
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Message 1796429 - Posted: 15 Jun 2016, 20:18:17 UTC
Last modified: 15 Jun 2016, 20:18:50 UTC

Thanks.
However, it never uses more than 378MB(from GPU-z)
768MB assigned.
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Message 1796430 - Posted: 15 Jun 2016, 20:23:09 UTC - in response to Message 1796429.  
Last modified: 15 Jun 2016, 20:23:47 UTC

Thanks.
However, it never uses more than 378MB(from GPU-z)
768MB assigned.

From one of completed tasks stderr:

OpenCL Platform Name: NVIDIA CUDA
Number of devices: 1
Max compute units: 2
Max work group size: 1024
Max clock frequency: 1550Mhz
Max memory allocation: 268435456
Cache type: Read/Write
Cache line size: 128
Cache size: 32768
Global memory size: 1073741824
Constant buffer size: 65536
Max number of constant args: 9
Local memory type: Scratchpad
Local memory size: 49151
Queue properties:
Out-of-Order: Yes
Name: GeForce GT 720M
Vendor: NVIDIA Corporation
Driver version: 347.88
Version: OpenCL 1.1 CUDA
Extensions: cl_khr_byte_addressable_store cl_khr_icd cl_khr_gl_sharing cl_nv_compiler_options cl_nv_device_attribute_query cl_nv_pragma_unroll cl_nv_d3d9_sharing cl_nv_d3d10_sharing cl_khr_d3d10_sharing cl_nv_d3d11_sharing cl_nv_copy_opts cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_fp64


Runtime's limit for your GPU.
Real used buf size listed in host parameters in that stderr little below.

In general, stderr is right place to look if some question arise.
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Message 1796591 - Posted: 16 Jun 2016, 13:27:46 UTC - in response to Message 1796100.  



. . Is that the same r3472 that Raistmer has linked in "testing help wanted" thread?

In testing thread will be published special builds with increased verbosity or even not to run onlline ones (will be directly said in post with link to such build).
Builds posted in this thread (or included in installer) are general public production builds for day-to-day crunching.


. . So I should use the version of V3472 on your site not the one in Beta3 package?

. . Can I use that by simply replacing the app file in projects/setiathome directory with the test version?
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Message 1796685 - Posted: 16 Jun 2016, 20:38:24 UTC
Last modified: 16 Jun 2016, 20:48:51 UTC

Hello, since update of nVidia drivers, most of my calculations using
setiathome_8.12_windows_intelx86__opencl_nvidia_SoG.exe
starts to < 1% then fall back and hangs to 0.001%

I'm not the only one having this problem as seen in
https://setiathome.berkeley.edu/forum_thread.php?id=79707

My config:
Windows 7/64 bit [up to date]
BOINC mananager 7.6.22 (x64) [up to date]
GeForce GT 430 w/ 2048 Mo nVidia driver 368.39 [up to date]
DirectX 11.0

Please let me know:
1. if a cure exist.
2. if I can tune GPU BOINC apps to be more effective regarding the fact my video board got 2 Go (2xtimes standard) of memory.

I'm ok to go on testing whatever if you furnish precise info/procedure.

Tanks in advance for your time & concern, Marc.
P.S. I can test on Ubuntu 16 or various linuxes if you want to!
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