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Longer work units

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Profile Krzysztof Piszczek - wspieram Polski projekt BOINC
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Message 588 - Posted: 12 Oct 2015, 20:43:20 UTC

From new batch we start to send about 4 times longer work units...

Longer WU's allow us to check some models more deeply and also this change will unload server by giving us same data in less files...
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cyrusNGC_224@P3D

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Message 589 - Posted: 12 Oct 2015, 22:37:15 UTC

And credits remains at old level?
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Profile Krzysztof Piszczek - wspieram Polski projekt BOINC
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Message 590 - Posted: 12 Oct 2015, 22:59:37 UTC - in response to Message 589.  

No, credits also will be changed :)
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Message 591 - Posted: 13 Oct 2015, 6:51:13 UTC

Will the deadlines be adjusted likewise? Otherwise all the people that just crunch a couple of hours per day will be "excluded" from this project.
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Message 593 - Posted: 13 Oct 2015, 8:28:40 UTC - in response to Message 591.  

Deadline is extended to one week.
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Message 600 - Posted: 14 Oct 2015, 0:58:57 UTC

hi .I am new to this project so bear with me.

sinc the initial WU`s i have had no new downloads from your servers.is this due to the changes to WU`s tha you are making.
Please help.
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Message 603 - Posted: 14 Oct 2015, 6:38:43 UTC
Last modified: 14 Oct 2015, 6:44:06 UTC

Runtime on my Xeon L5520 will be ~24 hours, I received 91(!) workunits yesterday - very hard deadline if this isn't the only project

p.s.: cache setting = store 0.75 + additional 0.25 so I guess you didn't increase RSC_FPOPS_EST
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Message 604 - Posted: 14 Oct 2015, 8:31:18 UTC
Last modified: 14 Oct 2015, 8:32:02 UTC

OT : The WU names somehow bring up memories to Roelof Engelbrecht, who passed away November 16, 2004 - crunchers of SETI Classic (pre-BOINC) sure still remember him and probably his weblog about his fight against cancer, that he lost on that day.
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Message 605 - Posted: 14 Oct 2015, 9:06:50 UTC - in response to Message 603.  

p.s.: cache setting = store 0.75 + additional 0.25 so I guess you didn't increase RSC_FPOPS_EST

You are correct.
Will be fixed from next batch...
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Message 609 - Posted: 15 Oct 2015, 0:54:53 UTC - in response to Message 590.  
Last modified: 15 Oct 2015, 0:57:10 UTC

No, credits also will be changed :)


Can you give us an idea what these may be?
I currently have two running:

(1) lmm unit that should take 8 hours and I assume will be credited 333.33 which would be about 1k/day. Little below average on this box but in the acceptable range,
(1) RLOF work unit that will take 30 hours or more. Hoping these will be at least 1500 to compensate for the risk of losing work or a computation error late in the unit. It seems you like fractional numbers, how about 1666.65?
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Message 610 - Posted: 15 Oct 2015, 7:06:16 UTC - in response to Message 609.  

(1) RLOF work unit that will take 30 hours or more. Hoping these will be at least 1500 to compensate for the risk of losing work or a computation error late in the unit. It seems you like fractional numbers, how about 1666.65?


They seem to be granting 1,538.46 credits for each of those new WUs.
Take a look at WU 2830585 for example.
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Message 611 - Posted: 15 Oct 2015, 8:49:30 UTC

Estimated completion times should be updated from two hours. I got eight that will last 25 hours each - I unfortunately have to abort six due to other commitments
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Message 612 - Posted: 15 Oct 2015, 9:49:21 UTC

IIRC the estimated runtime is calculated by your local Boinc client after crunching a certain amount of WUs of one and the same application.
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Message 613 - Posted: 15 Oct 2015, 16:26:53 UTC

Due to longer WU's completion time I had updated application to new version where checkpoints are generated 10 times more often then before (200 checkpoints for one WU in compare to 20 before).

Also, after this batch new work units get 14 days deadline (currently 7 days).
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Message 615 - Posted: 15 Oct 2015, 17:42:06 UTC
Last modified: 15 Oct 2015, 17:42:27 UTC

It doesn't matter for me but some have complained about the upload size in the past so it's probably worth to mention.

The upload size seems to have been reduced, when I saw one that was just uploading, it was only about half the size of the previous results.
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Message 616 - Posted: 15 Oct 2015, 17:44:23 UTC

Thanks for the post Hoosh. I can live with that total.
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Message 617 - Posted: 16 Oct 2015, 4:41:52 UTC - in response to Message 610.  

(1) RLOF work unit that will take 30 hours or more. Hoping these will be at least 1500 to compensate for the risk of losing work or a computation error late in the unit. It seems you like fractional numbers, how about 1666.65?


They seem to be granting 1,538.46 credits for each of those new WUs.
Take a look at WU 2830585 for example.


I have had two grant and they were 1,333.33 points and 1,538.46 points. Not sure which will be the final number or if they are going to vary.

Conan
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Message 618 - Posted: 16 Oct 2015, 8:37:16 UTC

1,538.46 will be final.
As long, as it will be comparable to previous amounts...
Krzysztof 'krzyszp' Piszczek

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Message 620 - Posted: 16 Oct 2015, 17:23:29 UTC - in response to Message 618.  

1,538.46 will be final....

Is it exactly that or more like 1538,4615384615384615384615384615 ?
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Message 621 - Posted: 17 Oct 2015, 9:22:18 UTC - in response to Message 620.  

It's 1538.4615384615 :)
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