Newer units providing fewer points


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arcturus

Joined: Sep 22 08
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Message 5631 - Posted 9 Jan 2010 22:52:57 UTC

My quad AMD has completed newer 'alpha' units vs the older 'trypsin' units. They are taking nearly twice as long to complete for fewer points.

Is this the new norm?

B.Rothbaecher.alt

Joined: Dec 29 09
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Message 5632 - Posted 10 Jan 2010 6:30:00 UTC

On my two machine it's the same.
The run time increased by approx. 80%. The credits are only 90%.
Which reduce the cr/h value to the half.

P . P . L .
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Message 5636 - Posted 11 Jan 2010 1:58:15 UTC

Hi.

The credits are fine by me no complaint here, they are taking longer.

But i've noticed that they get to 70% and seem to get stuck, the CPU time

goes up but the % does not move. The only way i've got them going again

was to suspend them and let them restart later and they finish o.k.

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Message 5638 - Posted 12 Jan 2010 5:24:10 UTC

It seems that something was done to the credits, I get either 115.5 or 200 for the same type of WU, probably the lower number for the ones generated earlier.

On my machine (64bit penguin) even the low measure still was above claim, so no need to complain by me besides the inconsistencies.
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Profile Trilce Estrada
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Message 5642 - Posted 14 Jan 2010 20:26:45 UTC

There was a consistent error with the initial flops estimation, the value was later corrected when enough simulations were collected. Now the initial estimation is more accurate and lees discrepancies will be found (still some old workunits will have this wrong estimation)

Thank you

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Message 5643 - Posted 14 Jan 2010 22:42:01 UTC

This is not real good.

__TIME__Claimed__Granted

mod0014trypsin / Tasks Before.

11,569.26__51.94__127.28
11,682.07__52.44__129.02
11,670.94__52.39__127.53

===========================

mod0014p38alpha / Tasks Before.

20,956.02__94.19__200.00
21,153.71__95.08__200.00
20,909.52__93.98__200.00

===========================

mod0014p38alpha / Now.

20,456.66__91.95__115.50
20,721.53__93.14__173.07

Near twice the run time, less credit now.


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Message 5644 - Posted 15 Jan 2010 5:27:17 UTC

So the old ones are still around with the false estimate and I guess it's far too much effort to correct them. No problem for my machine, as even with those the granted credits are above average compared with other projects. The intermediate 200s were far above necessary, the probable newest ones (163 with me) are in the upper ranges of granting.

As no WU gives less than average, nothing bad has happened. Fine Work!
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Message boards : Number crunching : Newer units providing fewer points

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