DPAD - cease operation of client v4.4

[Zbox]

Per Stephen's Good news and bad news posts on the muon1 board I would recommend that you revert to the v4.34 client, pending the release of v4.41...

The good news is: I've tested one of the recent ~10.25% designs from SolenoidsTo15cm and they are repeatable, not a fluke or an error.

The bad news is split into two parts.
The part you probably already knew was that v4.4 is slower and disagrees with v4.34 on the percentages for SolenoidsTo15cm because it lets the solenoid fields extend a large distance from the magnets rather than clipping them at the entrance of the adjacent solenoids, as v4.34 did. The way I've got Muon1 to repeat the results properly is by changing the solenoid clipping essentially back to how it was (except less cludged) in the v4.41 development source.
The other part of bad news is that there's a stupid error in the "...A" lattice files themselves, so when v4.41 comes out we will be correcting that, with PhaseRotB and ChicaneLinacB, simulated using the proper clipping (so SolenoidsTo15cm will agree with v4.34 again) and also back to v4.34 speeds because of that.

In a second post he notes:

The current stuff in the ...A optimisation section of the database is bad results, or at least results that would need some funny interpretation.

Since we will not have fixed lattice files until v4.41, the results produced by v4.4 are bad... Switching back to v4.34 will also produce higher Mpts yields as the clipping method is not in place and the client is much faster.

-z

 

[Unforgiven]

w3rd! i assumed the other day when i saw all these fixes due to be released that this was the case. thank you for the info senor z!

 

[amdxborg]

Thanx for the info z!

 

[BlackMountainCow]

oh well ...

 

[Unforgiven]

:beer: for you bmc

 

[amdxborg]

lol @ bmc! :beer:

 

[Redviffer]

Crap! Well, I guess this means that I won't be such an early adopter next time. I'm going to wait to hear GOOD stuff before I switch from v4.3 again.

Thanks for the heads up Z.

 

[Confused]

Thanks for the heads up.

After the 4.34a fiasco where that didn't work 100% properly (and a newer version was bought out just 4 days later), i'm glad I waited in installing 4.4!


Garry

 

[Orange Kid]

Thanks for the heads up

 

[scoser]

It looks like 4.41 just made it out on Stephen's website, for the brave people who want to test it for the TeAm.

 

[Viztech]

Switching the test box over now.

The rest are on 4.34 still...

viz