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ProfileCrunch3r
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Message 1789 - Posted: 29 Feb 2008, 23:18:06 UTC

Howdy folks!

there are things that bug me....
first thing is that i can only get 20 wus on my V8... that suckz...

Can we get rid of that limiting factor ?

second thing IF #1 fails(getting more wus) is that wus are way to short ! my V8 is computing one WU in about 310 sec... can we increase that to about 4 times the time ?





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Message 1790 - Posted: 29 Feb 2008, 23:20:12 UTC - in response to Message 1789.  

Howdy folks!

there are things that bug me....
first thing is that i can only get 20 wus on my V8... that suckz...

Can we get rid of that limiting factor ?

second thing IF #1 fails(getting more wus) is that wus are way to short ! my V8 is computing one WU in about 310 sec... can we increase that to about 4 times the time ?





well....there is a coded maximum of 20 wus per cycle. and we have to think about slower systems when setting that factor. i'll talk with travis and see what he thinks if he doesn't see this thread.

Dave Przybylo
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Message 1791 - Posted: 29 Feb 2008, 23:26:55 UTC
Last modified: 29 Feb 2008, 23:31:31 UTC

This question has been answered in numerous threads,Any more than 20 at a time slows down the searches as it is an evolving process... excess work runs the risk of being outdated before it is returned.The amount of time each unit takes will get progressively longer in time as the volume of stars used increases.

We are of course here to help the project not to have the project design suit our needs.

Travis is trying to get the time delay of 20 minutes between rpc calls reduced to help dead zones on fast 8 cores and 16 cores from running out of work.

Seems at the moment the server is sending no work.
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ProfileDave Przybylo
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Message 1792 - Posted: 29 Feb 2008, 23:32:23 UTC - in response to Message 1791.  

This question has been answered in numerous threads,Any more than 20 at a time slows down the searches as it is an evolving process... excess work runs the risk of being outdated before it is returned.The amount of time each unit takes will get progressively longer in time as the volume of stars used increases.

We are of course here to help the project not to have the project design suit our needs.

Travis is trying to get the time delay of 20 minutes between rpc calls reduced to help dead zones on fast 8 cores and 16 cores from running out of work.

Seems at the moment the server is sending no work.



This is correct. I think the optimum solution would be to reduce rpc call time which we should have implemented fairly soon.
Dave Przybylo
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Message 1793 - Posted: 29 Feb 2008, 23:46:13 UTC

looks like we drained the WU dry,cant get any on my systems
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Message 1794 - Posted: 1 Mar 2008, 0:48:19 UTC - in response to Message 1792.  

This question has been answered in numerous threads,Any more than 20 at a time slows down the searches as it is an evolving process... excess work runs the risk of being outdated before it is returned.The amount of time each unit takes will get progressively longer in time as the volume of stars used increases.

We are of course here to help the project not to have the project design suit our needs.

Travis is trying to get the time delay of 20 minutes between rpc calls reduced to help dead zones on fast 8 cores and 16 cores from running out of work.

Seems at the moment the server is sending no work.



This is correct. I think the optimum solution would be to reduce rpc call time which we should have implemented fairly soon.


Well if that's the case... any chance to triple the WU "size" ? I mean 310 sec for one wu is a bit low....

Need more work :)




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Message 1795 - Posted: 1 Mar 2008, 1:11:36 UTC - in response to Message 1794.  
Last modified: 1 Mar 2008, 1:12:52 UTC

... any chance to triple the WU "size" ? I mean 310 sec for one wu is a bit low....


Its all perspective ...slow computers can take 1/2 hour to 1 hour and longer....you weren't here when the 1st work would have taken about 100 sec on your host :) I think the studies need to be completed before volumes of stars are increased...it might take a while...but I don't have those answers ;)
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Message 1799 - Posted: 2 Mar 2008, 1:32:59 UTC - in response to Message 1794.  

Well if that's the case... any chance to triple the WU "size" ? I mean 310 sec for one wu is a bit low....

We’ve already had one such tripling. It’s my impression that the plan is to gradually ‘ramp up’ the size & complexity of tasks as the admins gain experience about how the number of stars modelled and whatever other inputs they provide will affect crunching times & throughput. I imagine the relation is more or less exponential, so small increases in the ‘input size’ could greatly increase the work involved.

A couple of years ago SzTAKI Desktop Grid made a “minimal” increase in the size of its tasks that resulted in running times something like two orders of magnitude (IIRC) longer than they had been, and wildly unpredictable to boot. A rash of “maximum CPU time exceeded” errors ensued, to the dismay of many participants … Of course it’s a very different kind of app over there, but the same principles may apply.

As this project is still at the “testing” stage, as opposed to “production”, I can understand the developer’s desire to proceed incrementally.

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Message 1800 - Posted: 2 Mar 2008, 3:13:52 UTC - in response to Message 1799.  

are you guys still not getting work? it looks like milkyway was down for some time which might have caused that...
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Message 1803 - Posted: 2 Mar 2008, 3:49:02 UTC - in response to Message 1800.  

ok there should be work available soon. the assimilator had crashed and thats why no new WUs were being generated.
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Message 1805 - Posted: 2 Mar 2008, 12:17:54 UTC - in response to Message 1803.  

ok there should be work available soon. the assimilator had crashed and thats why no new WUs were being generated.


Thanks. it's working again.


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Message 2033 - Posted: 7 Mar 2008, 14:57:02 UTC - in response to Message 1805.  
Last modified: 7 Mar 2008, 15:24:11 UTC

*bump*

OMG, Out of work again !





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Message 2038 - Posted: 7 Mar 2008, 16:08:37 UTC

heeeeeeeeeelp out of work!!!!!
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Message 2040 - Posted: 7 Mar 2008, 16:37:06 UTC - in response to Message 2038.  

heeeeeeeeeelp out of work!!!!!


should be a bunch more work waiting for you guys now :)
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Message 2043 - Posted: 7 Mar 2008, 16:55:51 UTC - in response to Message 2040.  
Last modified: 7 Mar 2008, 17:12:41 UTC


should be a bunch more work waiting for you guys now :)


Results ready to send 0 :(



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Message 2044 - Posted: 7 Mar 2008, 17:27:30 UTC - in response to Message 2043.  


should be a bunch more work waiting for you guys now :)


Results ready to send 0 :(



it should be genrating more work, you guys getting any yet?
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Message 2045 - Posted: 7 Mar 2008, 17:32:27 UTC - in response to Message 2044.  


it should be genrating more work, you guys getting any yet?



no...

07.03.2008 18:31:47|Milkyway@home|Sending scheduler request: Requested by project
07.03.2008 18:31:47|Milkyway@home|Requesting 407189 seconds of new work
07.03.2008 18:31:52|Milkyway@home|Scheduler RPC succeeded [server version 511]
07.03.2008 18:31:52|Milkyway@home|Deferring communication for 3 hr 36 min 0 sec
07.03.2008 18:31:52|Milkyway@home|Reason: no work from project




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Message 2046 - Posted: 7 Mar 2008, 17:42:10 UTC - in response to Message 2044.  



it should be genrating more work, you guys getting any yet?


Yes! Got some for 2 hosts. The second host didn't get the full amount requested - I guess I drained you dry ;)

Al.
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Message 2048 - Posted: 7 Mar 2008, 17:56:51 UTC - in response to Message 2046.  



it should be genrating more work, you guys getting any yet?


Yes! Got some for 2 hosts. The second host didn't get the full amount requested - I guess I drained you dry ;)

Al.


yeah i think theres a lot of people trying to get work right now so it might take awhile for the queue to get filled up

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Message 2137 - Posted: 9 Mar 2008, 22:22:10 UTC - in response to Message 2044.  



It happened again :(




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