Forum > GPU crunching

Some questions about vlar kill

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diederiks:
Since i only use my gt8500 for seti@home WU crunching with v10 of the optimized seti@home cgpu client, is see loads of vlar kills in the crunched WU, why is this done?
And is there a optimized client that crunches vlar WU?
And what's the impact of crunching these WU on a video cart.
I ask thise becaus my video cart is often doing nothing because of the vlar kill.

Raistmer:
If your GPU is idle then better to use re-schedule script time to time to feed it. Processing VLARs on GPU is very ineffective still.

M_M:
Where can we find this script? What exactly does the script do? How to use the script?

Please explain a bit for all of us dummies...  :)

Thanks in advance.

Raistmer:
http://lunatics.kwsn.net/12-gpu-crunching/cpu-gpu-rebranding-perl-script.0.html

BMaytum:
@ Raistmer or Richard Haselgrove:

After irrecoverable Stop 0x051 Registry BSODs in Feb09, I've reverted to a Jan2008 backup and installed/re-installed many updates & programs. Recently (as per Raistmer's guidance http://lunatics.kwsn.net/12-gpu-crunching/v10-of-modified-seti-mb-cuda-opt-ap-package-for-full-multi-gpucpu-use.msg17425.html#msg17425, I have:
1) Installed nVidia v185.85 drivers;
2) Clean Install BOINC 6.6.28 from scratch (Jan08 backup had no BOINC or S@H installed);
3) Used Jason Gee's Beta unified optimized S@H Installer;
4) Got the v2.2 cufft.dll & cudart.dll in the appropriate (default) folders.

However, I've had numerous MainBeam WU's terminate with computational error, e.g.:

stdoutdae.txt:
27-May-2009 07:30:18 [SETI@home] Starting 03fe09ad.15841.1299.10.8.90_0
27-May-2009 07:30:18 [SETI@home] Starting task 03fe09ad.15841.1299.10.8.90_0 using setiathome_enhanced version 608
27-May-2009 07:30:19 [SETI@home] Computation for task 03fe09ad.15841.1299.10.8.90_0 finished
27-May-2009 07:30:19 [SETI@home] Output file 03fe09ad.15841.1299.10.8.90_0_0 for task 03fe09ad.15841.1299.10.8.90_0 absent

And stderr out:
 <core_client_version>6.6.28</core_client_version>
<![CDATA[
<message>
 - exit code -1073741511 (0xc0000139)
</message>
]]>
 
Validate state Invalid
Claimed credit 0
Granted credit 0
application version 6.08

You can see more details for my Host here: http://setiathome.berkeley.edu/show_host_detail.php?hostid=4950990

Questions:
1) Does exit code -1073741511 (0xc0000139) just mean these WUs were terminated by VLARKill? or, is there something wrong with my setup/ config/ project preferences? (My app_info.xml is not modified from what JGee's Beta Installer created).
2) Today I've gotten no Cuda WUs - is that because I've exceeded some #error limit(s)?

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