I’m running GPUGrid & Milkyway on an E4600 Core2Due with a 9600GT (XPPro) and Boinc 6.45
Multi CPU is set to 100% using both cores
I observed that v 6.55 cuda status shows: Running (0.04CPU’s, 1 Cuda)
Win task man shows that acemd6.55 runs between 40 – 46% CPU and 45-50% milkyway.

Boinc 6.45 runs only 1 x Milkyway (Priority Low) & 1 x GRUGRID (Priority BelowNormal) with the above CPU usage

The other cuda versions of Boinc (6.3.21 – 6.4.1 & 6.5.0) run 3 apps: 2 x Milkyway & 1 GPUGRID
Milkyway uses 50% + 50% (Priority BelowNormal) GPUGRID only 0 – 1% (Priority Normal). GPUGRID task runs very slowly because Milkyway uses all CPU.
Only when I manually change the priority for GPUGRID to High or Real-time it then uses 4 -5 % like it should
This works fine using 100% of the PC but every time a new work unit starts the priority change back to normal.
Any suggestions how can I force acemd_6.55_wini86 to automatically run a higher priority

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Use Process Lasso (free for home use)
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Thanks Milford
Will give it a try & report back

Use Process Lasso (free for home use)

Sorry to hear that; works ok for me (High priority for acem... CUDA) cpu 3-5% on Q6600@3.3Ghz
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Sorry to hear that; works ok for me (High priority for acem... CUDA) cpu 3-5% on Q6600@3.3Ghz

Ubuntu 8.10 with 4 Gb, 6.4.5 and good drivers

noticed acemd was using 2.3 Gb RAM at 70% WU progress, with BM showing "waiting for memory..."

However, standard setting for BOINC preferences limits RAM usage to 50%.

Changed this to 90% all the time. BM now shows "Running (0.04 CPUs, 1 CUDA)#.

Not sure what the effect on the total runtime could be, but it is probably worth to recommend verifying RAM usage.

Kind regards

Alain

This was about WU 129474 that succesfully finished overnight in 19807s on a GTX260.

My next WU is now over 90% and acemd.. now only uses 22 MB!?

Still on CUDA driver 178.

Alain