Posts by Bambi

21) Questions and Answers : GPU applications : dumb? CUDA question (Message 847745)
Posted 1 Jan 2009 by Profile Bambi
Post:
You can create/edit a cc_config.xml file in your boinc data directory to make Boinc use all your cores AND your gpu, as it seems to default to all your cores minus 1.

//Contents of cc_config.xml

<cc_config>
<options>
<ncpus>5</ncpus>
</options>
</cc_config>

//This uses all 4 of my cores plus the gpu.

Once downside to this is, if your machine runs out of CUDA work units Boinc will still try to run 5 tasks, resulting in 1 core running 2 tasks. It does also seem to make my machine a little less responsive running 5 jobs.
22) Questions and Answers : GPU applications : Yip, another thread about CUDA (Message 847268)
Posted 31 Dec 2008 by Profile Bambi
Post:
I found a small issue with the cc_config.xml patch to use all cores + GPU, this is if you run out of seti CUDA workunits and seti doesn't give you any more due to AP WU's being run you still run 5 jobs but only on 4 cores, meaning 1 core is running 2 jobs at once. This probably isn't the best way of doing things, but what do I know, all this tweaking boinc is new to me.
23) Message boards : Number crunching : WorkUnit deadline is 12/31/1969 ???? (Message 846592)
Posted 30 Dec 2008 by Profile Bambi
Post:
The lesser known 2009 bug!

Time to flash your betamax bios....
24) Message boards : Number crunching : More Cuda questions (Message 846591)
Posted 30 Dec 2008 by Profile Bambi
Post:
I found that thread too and it sorted my problem.
4 cpu and 1 gpu now.
25) Message boards : Number crunching : Random Musings About the Value of CPUs vs CUDA (Message 846590)
Posted 30 Dec 2008 by Profile Bambi
Post:
I have just discovered the joys of optimized clients since CUDA. The whole thing made me thing am I getting the most out of my computers eating up electricity.
I have since swapped to the latest 'custom' apps for seti and AP on vista and 64b Linux.
I now have 4 cpu's and 1 gpu working on my main box and a further 3 cores chugging away on other computers, waiting to see the increase in points.
The SSSE3(?) optimized AP client makes a huge difference on my Quad core AMD
26) Message boards : Number crunching : CUDA Not So Fast? (Message 844641)
Posted 24 Dec 2008 by Profile Bambi
Post:
Since upgrading to version 6.45 which is supposed to support CUDA I have noticed zero increase in speed, maybe even a slight degradation in speed.

I have a Quad core Phenom and a 9800GTX gfc card, boinc recognises the card as a co-processor but it is still only running 4 jobs at once.

Am I missing the point somewhere? My Seti jobs used to take about 3 hours a WU and Astropulse takes about 98 hours, now its taking 3.5hours for seti WU's????


*update*
New wu's that show as 6.05 now use cuda.


Are the 6.05 (cuda) wu's significantly smaller as it has just completed one in under 2 minutes?


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