stephenbrooks.orgForumMuon1GeneralLinac900Ext8Xc2: Alternate optimizations
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[TN]opyrt
2013-06-26 17:08:52
Linac900Ext8Xc2 seems to have slowed down a lot around 3.65%. I believe we can still push it quite a bit further, so a couple of weeks ago, I made some custom samplefiles and distributed them to my team mates.  After that, more team mates have joined in.

Optimization 1 is between 3300 Mpts and 3450 Mpts and is currently at 3.1%.
Optimization 2 is between 3200 Mpts and 3300 Mpts and is currently at 3.55%

They should be quite easy to spot in the graph:
http://stephenbrooks.org/muon1/plots/graph1/?optim=Linac900Ext8Xc2&coords=

Both optimizations are seeded from BOINC results.  It will be interesting to see if they will pass the current best!

-opyrt
Stephen Brooks
2013-06-27 01:09:25
Looks good.  Some time I should really have another look at this "getting stuck" behaviour and see what's so difficult about breaking out of the various plateaus.  Currently a bit busy though.
runesk
2013-06-29 14:03:43
I had forgotten new lattices, and alas, the Linac900Ext8Xc2 were not grabbed from the start.  As we started the alternative optimizations, I added the lattice to the grab list, and the video now clearly shows our mission to find a new better path.

http://tools.1up.no/muon1/?lattice=linac900ext8xc2

.R
[Edited by runesk at 2013-06-29 14:04:14]
runesk
2013-07-01 14:27:11
And the results are in.  A new best optimization from the second "strain" by [TN]steinrar at 3.700289 / ~3294 Mpts.

http://www.stephenbrooks.org/muon1/plots/graph1/?optim=Linac900Ext8Xc2&coords=?1120,100

.R
[TN]opyrt
2013-07-01 18:28:04
And then havardma decided to make it all interesting again by finding a better optimization on the old track! 

-opyrt
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