Longer MB units

Are we getting longer (timewise) MBs or is it because of the different ranges again. I can normal do a MB in 105 minutes however some are taking around 170 minutes. It seems to be one in every four for me.Can someone explain please.
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It all depends on the Angle Range.

F.
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There's a very large batch of VLARs crawling through at the moment.

Especially long/slow/bad for us CUDA crunchers :-(

Happy crunchin',
Martin
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Are we getting longer (timewise) MBs or is it because of the different ranges again. I can normal do a MB in 105 minutes however some are taking around 170 minutes. It seems to be one in every four for me.Can someone explain please.

The longer units take more time, but you get more credits for them.

Instead of the normal 38, you might get 50 to 80. So unless they are snarling up your CUDA rig then they aren't a problem.

Ian

Been getting almost nothing but VLAR's for 3 days now, and the ones from the 26Dec08 series are particularly nasty and prone to hanging.

It's all those VLAR units that have been previously bounced by CUDA users being re-sent because they're clogging up the system. It's the law of "Swings and Roundabouts". *Someone* has to eat all the black jelly beans that have been left behind in the jar :-)

Brodo

Been getting almost nothing but VLAR's for 3 days now, and the ones from the 26Dec08 series are particularly nasty and prone to hanging.

For the moment the cache is down to a little over 12 days and the times are more like normal. Oh well, It could be worse I guess the PC could get the swine flu. ;)

Been getting almost nothing but VLAR's for 3 days now, and the ones from the 26Dec08 series are particularly nasty and prone to hanging.

Looking at the Arecibo observing schedule for December, it looks as if all those VLARs came from P2030: An ALFA Pulsar Survey of the Galactic Plane. Surveys usually give higher ARs, but it looks like they finished the first scan in 2005 and they're now studying individual locations in more detail.

P2030 is managed by Cornell University, and there's a new Cornell publication Arecibo pulsar survey is using 50,000 PCs worldwide to generate supercomputing power linked from the BOINC home page. It's a BOINC project, but under the wing of Einstein@Home, not us.

So we have an interesting BOINC dilemma. Einstein's new ABP1 application relies on precisely the same data that drags SETI/CUDA to its knees. What's a cruncher to do?

Starting today, P2030 is getting five more observing slots on consecutive days (01 May - 05 May). I hope Eric can come up with some way of alleviating the CUDA VLAR problem before those tapes hit the splitters.

Hi, last time I mainly crunch , AP units, on the 3 QUADs that is.
On my 'old'P4 Dual (2.8GHz), I get MB's. I've taken my LT, out.
.I let it crunch for more then a year, with optimized MB SSE3 applications, once recued by my insurance {:)}.

I do constantly need it for other, quite demanding programs and a LINUX setup.

I get more AP then MB WU's now a day, I'm pleased with them.
2 a day, per core on the fastest QUAD and 3 per 2 day's on the Q6600's.
And, they do are part of the sky survey just like the Multi Beam (Narrow Band;1.42x.xxx.xxx Hz.)!

That means more AR (0.2-0.5) or VLAR?
Still aproblem for CUDA?

Keep On Crunching
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Knight Who Says Ni N!, OUT numbered.................

Starting today, P2030 is getting five more observing slots on consecutive days (01 May - 05 May). I hope Eric can come up with some way of alleviating the CUDA VLAR problem before those tapes hit the splitters.