Message boards : Sixtrack Application : Xtrack beam simulation
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boboviz

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Message 7823 - Posted: 30 Sep 2022, 13:53:59 UTC

Version 0.11 is the first.

We are waiting for work to crunch!
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boboviz

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Message 7902 - Posted: 2 Dec 2022, 9:41:51 UTC

No news about this project??
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Profile Ray Murray
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Message 7916 - Posted: 2 Feb 2023, 22:46:30 UTC

I don't know what the expected behaviour of these is so here are my observations in the hope that they are helpful:
I had a successful 20 second Xtrack yesterday, where the wingmen completed in similar time but with error, and another running since yesterday. Progress 100%, 33hrs elapsed, none remaining. In Properties, CPU Time and Since last checkpoint are ~1/2 hr behind Elapsed Time but, in the slot, stderr says
12:29:53 (13692): app started; CPU time 20.000000, flags:
but nothing has been written to any of the slot files since yesterday. It's using all of one core. The wingman completed in 2.05s so I suspect it is stuck.
A restart of Boinc reset the clocks
Initial estimate of 3?mins 50% reached at 2mins but progress, and time remaining, getting progressively slower. 91% at 7mins. 99.60% at 23mins, remaining 00:00:00. Using ~70% of a core. 99.999% at 33mins. 100% at 45mins. Using almost all of a core and I'll let it do that overnight but I expect it will have to be euthanised tomorrow.
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boboviz

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Message 7917 - Posted: 4 Feb 2023, 16:52:50 UTC - in response to Message 7916.  

I don't know what the expected behaviour of these is so here are my observations in the hope that they are helpful


This is the very first version of the app, launched in September.
Since September have been a lot of Xtrack releases, but the boinc app is not updated as well
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Profile Laurence
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Message 7918 - Posted: 6 Feb 2023, 15:07:32 UTC - in response to Message 7917.  

Sorry for the lack of communication. The Xtrack application is a new version of Sixtrack which supports GPUs. It is currently work in progress. The current status is that the application has been deployed correctly in the server and seems to be running. We hope to continue testing within the next few weeks.
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[AF>Le_Pommier] Jerome_C2005

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Message 7919 - Posted: 7 Feb 2023, 10:38:42 UTC

Great news ! a future GPU app for LHC !

I hope you won't forget macOS in the process :)
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boboviz

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Message 7920 - Posted: 7 Feb 2023, 11:06:49 UTC - in response to Message 7918.  

The current status is that the application has been deployed correctly in the server and seems to be running. We hope to continue testing within the next few weeks.


Great!!
We are ready to test!!
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boboviz

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Message 7921 - Posted: 22 Feb 2023, 10:49:55 UTC - in response to Message 7918.  

We hope to continue testing within the next few weeks.


There is a plan to open an "Xtrack" forum section??
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boboviz

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Message 7922 - Posted: 3 Mar 2023, 17:00:49 UTC - in response to Message 7921.  

The readme file on github has update with guide to compile and run Xtrack test on Boinc client on Windows and Ubuntu.
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Toby Broom

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Message 7923 - Posted: 4 Mar 2023, 13:22:01 UTC

Mine seems stuck also
https://lhcathomedev.cern.ch/lhcathome-dev/result.php?resultid=3190324

I don't have any AMD GPUs, will it work with nVidia too?
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Profile Magic Quantum Mechanic
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Message 7924 - Posted: 4 Mar 2023, 17:37:37 UTC
Last modified: 4 Mar 2023, 17:40:50 UTC

I don't think they are actually ready for testing yet.
The few I have seen weren't running on a video card and the ones running off the amd cpu didn't actually do anything.

But we always have plenty of CMS and Theory to run.

https://lhcathomedev.cern.ch/lhcathome-dev/results.php?hostid=4601&offset=0&show_names=0&state=0&appid=16

You can see Laurence tested them and they don't actually do anything.
And another example https://lhcathomedev.cern.ch/lhcathome-dev/show_host_detail.php?hostid=4818


I have both versions of GPU runners but they don't get used on these yet.
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Profile Ray Murray
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Message 7934 - Posted: 7 Mar 2023, 19:32:18 UTC
Last modified: 7 Mar 2023, 19:45:38 UTC

Two Xtracks that I'm about to euthanise 2283960 and 2283961. Both completed on Linux in a couple of seconds but the Windows wingman Aborted after 2 days. Is that significant? Mine (Windows) are 29 and 21 hours respectively. Both have been using all of a core each but I'm pretty sure they haven't actually done anything.

This host only has onboard graphics. Are these supposed to only go to proper GPUs ?

Boboviz's github link looks far to technical for me. If setting all that up is required to get these running, I'll set to not accept these for now and just go back to Theory tasks.
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Toby Broom

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Message 7935 - Posted: 7 Mar 2023, 21:25:38 UTC

I just leave mine, its only 1 core, its using some CPU so it could be doing something. then the FLOPS esitmate is wrong?
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boboviz

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Message 7936 - Posted: 8 Mar 2023, 9:48:33 UTC - in response to Message 7924.  
Last modified: 8 Mar 2023, 9:49:37 UTC

I don't think they are actually ready for testing yet.
The few I have seen weren't running on a video card and the ones running off the amd cpu didn't actually do anything.


They are working on.
Just yesterday they added the firsts submission files

We are at the beginning
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marmot

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Message 7937 - Posted: 8 Mar 2023, 23:14:24 UTC
Last modified: 8 Mar 2023, 23:15:00 UTC

Posted my evaluation of the 38 I have running here: https://lhcathomedev.cern.ch/lhcathome-dev/forum_thread.php?id=557&postid=7927

The 33 still running are over 2 days into the run and deadline sometime in 24 hours.

These are supposed to need a GPU co-proc?
If true, then their GPU detection/self-aborting, code is not functioning.
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Crystal Pellet
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Message 7941 - Posted: 10 Mar 2023, 8:03:18 UTC

Aborted the resends I got. They are running endless.
I let one run overnight: https://lhcathomedev.cern.ch/lhcathome-dev/result.php?resultid=3191964
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Profile Magic Quantum Mechanic
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Message 7943 - Posted: 11 Mar 2023, 19:21:13 UTC - in response to Message 7941.  
Last modified: 11 Mar 2023, 20:04:21 UTC

Aborted the resends I got. They are running endless.
I let one run overnight: https://lhcathomedev.cern.ch/lhcathome-dev/result.php?resultid=3191964


Yes I have one that claims to still be running at 100% for over an hour so I probably should just abort it too.


https://lhcathomedev.cern.ch/lhcathome-dev/result.php?resultid=3192639
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Toby Broom

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Message 7944 - Posted: 11 Mar 2023, 20:26:25 UTC

Mine ran past the deadline with no end, so I guess there is no termination routine yet.
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Fardringle

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Message 7967 - Posted: 15 Mar 2023, 12:20:59 UTC

I'm not sure why I haven't received any other Xtrack tasks yet, but my first and only task appears to be bad as well.

It has run anywhere from about 5 hours to about 30 hours several times, and then it resets back to zero again without any errors reported in the logs. It looks like a few other people have also had trouble with this task.

https://lhcathomedev.cern.ch/lhcathome-dev/workunit.php?wuid=2283960
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marmot

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Message 7972 - Posted: 15 Mar 2023, 22:05:40 UTC

Looked at some of the WU's , that are labeled as able to work on Linux or Windows, and some of these hitting Linux are completing and validating with 3 sec CPU runtime.
When they hit a Windows OS, they fail and don't end at deadline.

https://lhcathomedev.cern.ch/lhcathome-dev/workunit.php?wuid=2283919
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