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Message boards : Number Crunching : couriosity

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littleBouncer
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Message 8972 - Posted: 4 Jan 2011 | 19:49:16 UTC
Last modified: 4 Jan 2011 | 19:55:40 UTC

At the moment I have 2 Laptops who crunchs P@H-Wu's.

even they are +/- equal they get different quantites of work, and I ask me : why?

These Laptop has a NVIDIA - GPU (GX 103M) , BoincMgr 6.10.18 with a restriction config.xml-file for no GPU use. These machine has a daily quota of 47 Wu/CPU and get 1 to 4 WU's each hour
Dual Core CPU, which is marked as have 2 virtual CPU's

The second Laptop has a ATI - GPU (Radeon HD 5x00), BOINCMgr 6.10.58 with setting: never uses GPUs (what doesn't work correctly) , These machine has a daily quota of 0 Wu/CPU ??? and get 0 to 1 WU each hour (mostly 0)
1 P6000 CPU which is marked as 2 real CPU's

Why these difference in dailyquota and why gets the faster machine (2nd LT) less work then the older attached?

greetz littleBouncer

any hints apreciated
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littleBouncer
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Message 8973 - Posted: 5 Jan 2011 | 2:43:31 UTC
Last modified: 5 Jan 2011 | 2:44:41 UTC

or then things like this:

05.01.2011 03:31:36 Pirates@Home Sending scheduler request: Requested by project.
05.01.2011 03:31:36 Pirates@Home Requesting new tasks for CPU and GPU
05.01.2011 03:32:07 Project communication failed: attempting access to reference site
05.01.2011 03:32:07 Pirates@Home Scheduler request failed: Server returned nothing (no headers, no data)
05.01.2011 03:32:08 Internet access OK - project servers may be temporarily down.
05.01.2011 03:33:08 Pirates@Home Sending scheduler request: Requested by project.
05.01.2011 03:33:08 Pirates@Home Requesting new tasks for CPU and GPU
05.01.2011 03:33:10 Pirates@Home Scheduler request completed: got 0 new tasks
05.01.2011 03:33:10 Pirates@Home Message from server: Not sending work - last request too recent: 93 sec

He fails because the scheduler isn't responding and for that it will be penalized for an other hour !!

Profile NullCoding*
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Message 8975 - Posted: 9 Jan 2011 | 14:28:17 UTC

Each machine is limited to one work request every 3600 seconds (an hour) because it allows more people to get work. This project doesn't have much work to begin with, so it's only fair.

As for getting 0 new tasks: I know what you mean but don't know how to explain it. My two older Core Duo machines would make requests and get 0 tasks, whereas my i5, and even Pentium 4 always got four tasks. Then with Core 2 Duos it seemed like I might get 1 or 2 tasks every couple hours.

Don't know why that is. I do know for sure, though, that you can only make one work request per machine every hour. Also that happens automatically, so technically you don't have to click anything.
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Message 9258 - Posted: 27 Sep 2014 | 3:57:04 UTC

My eight core MacBook gets anywhere between 1 and 6 Wus, average of 4.

Any ideas why?
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Profile Pooh Bear 27
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Message 9263 - Posted: 18 Dec 2014 | 14:00:53 UTC - in response to Message 9258.

Because this is a play (used to be a test) project and does not hand out a lot of workunits at a time, so it limits the amount each computer can grab. That is also why the 1 hour backoff each time it returns work. They want everyone to have a chance to do some work.

Since it runs only a couple times a year, and it's run on almost like a home PC, it cannot create a ton of work fast. So only allowing a few units per PC at a time and extending the time when you can get work allows for more users to gain credit for work that does nothing.

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