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Separation Modified Fit v1.26 Release
Separation Modified Fit v1.26 Release
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Message boards : News : Separation Modified Fit v1.26 Release

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Profile Jake Weiss
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Message 59702 - Posted: 27 Aug 2013, 17:24:47 UTC

Hi all,

I am going to be releasing a new version of MilkyWay Separation Modified Fit today. The new version will include:
- The Modified Fit included last release which is giving very promising results.
- A new background model (Broken Power Law instead of Hernquist)
- Windows 32-bit Support
- Compatibility fix for Linux 32 and 64 bit.

We plan on continuing to put up runs with the Modified Fit alone, and comparing the results to the results from Matt Newby's last paper. Simultaneously, we will be putting up runs with the new background fit in an attempt to improve the accuracy of our model. If anyone has any questions about the new release feel free to post them here.

The runs to test this release are:
de_modift_15_3s_bplwithwraptest_2
ps_modift_15_3s_bplwithwraptest_2

If any errors come up with these runs please post them here.

Thank you,

Jake W.

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Message 59703 - Posted: 27 Aug 2013, 18:12:08 UTC
Last modified: 27 Aug 2013, 18:12:52 UTC

Failing on XP
http://milkyway.cs.rpi.edu/milkyway/result.php?resultid=553473210
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Message 59707 - Posted: 28 Aug 2013, 1:14:53 UTC

i had errors at first, but it was my own fault. i run on an anonymous platform, and so the application didn't automatically update for me.

i thought there was a relatively easy way to update the application for anonymous platform users too, but i couldn't figure it out of there was one...perhaps i'm just rusty and have a faded memory, b/c its been a while i've had to manually update a BOINC project application. at first i just closed BOINC and changed some entries (i changed 1.24 to 1.26 and 124 to 126) in the app_info.xml, but apparently that doesn't really let the project server know that my host needs the new v1.26 app. in fact, upon restarting BOINC i got a message stating that the app_info.xml file referencing a nonexistent application. now that much made sense, b/c only the regular v1.02 app and the modified fit v1.24 app were in the project directory. so i tried resetting the project, but that didn't help either.

what i ended up having to do was close BOINC, remove the app_info.xml file and the application binaries from the project directory, restart BOINC, and reset Milkyway@Home. only then did BOINC download the new v1.26 modified fit app and re-download the regular v1.02 app. well, actually, i don't know for sure if removing the application binaries from the directory was absolutely necessary, but that's neither here nor there. now that i had the new v1.26 app in the project directory, i was able to put my app_info.xml file back into the project directory and restart BOINC. sure enough, everything is working perfectly again, almost error-free...but i'll get to that in just a second. in the mean time, is there an easier way to download an updated application binary for anonymous platform hosts than removing the app_info.xml from the project directory and resetting the project?

ok, onto the handful of errors...actually they're invalids. of the 3, one's outcome is a validate error, while the other two's outcomes are "successes," but the validate state is reported as "work unit error - check skipped." this type of error is new to me...any ideas? and yes, these are modified fit tasks...here's a link to my INVALID TASKS.
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Message 59713 - Posted: 28 Aug 2013, 5:13:37 UTC

well the number of invalids continues to grow...i'm now up to 20 of them. i've made no hardware or driver changes since the new v1.26 app showed up. 19 of the 20 invalids are modified fit tasks.
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Message 59718 - Posted: 28 Aug 2013, 16:35:53 UTC

Here too - too many errors.

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Message 59719 - Posted: 28 Aug 2013, 16:50:05 UTC - in response to Message 59718.

Here too - too many errors.

yup...looks like you're getting the same kind of invalids i'm getting - a 50/50 mix of "validate errors" and "completed - can't validate," where the "completed - can't validate" tasks apparently failed due to "work unit error - check skipped." granted, every last one of your invalids are modified fit tasks, whereas a vast majority of my invalids are modified fit tasks with a handful of regular MW@H invalids...but the rgular MW@H invalids are older than the rest, and they've stopped rolling in since having switched to crunching only MW@H tasks (and no modified fit tasks for now). i can confirm this much b/c the number of consecutive valid MW@H tasks continues to climb, while the number of consecutive valid modified fit tasks hardly breaks into double digits before dropping back down to zero and starting again.
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Message 59720 - Posted: 28 Aug 2013, 17:49:17 UTC

Now I've got 141 Invalids of "Milkyway@Home Separation (Modified Fit) v1.26" since yesterday. No other errors. Opted out...

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Message 59723 - Posted: 28 Aug 2013, 21:45:35 UTC

About 13 invalid WUs, all of them modified_fit 1.26 as of posting

Profile Jake Weiss
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Message 59725 - Posted: 28 Aug 2013, 23:24:24 UTC

Hey Guys,

Thanks for all of the reports. I'm looking into it all now. Will get back to you when I know more.

Jake W