Error message "- 9 result overflow"


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Questions and Answers : Windows : Error message "- 9 result overflow"

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Profile [ue] Ari Ervaskivi
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Finland
Message 355 - Posted: 14 Jun 2004, 8:48:40 UTC


Hi!
Maybe this is known issue, maybe not...

Two latest WU's gave this error with 3.07 - W2k pro - AMD 2700+ (i,m not sure yet if both was from that host)Pending credit was 0.09 both.

stderr out 3.07

SETI@Home Informational message -9 result_overflow
NOTE: The number of results detected exceeds the storage space allocated.



Ari

Profile [ue] Ari Ervaskivi
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Message 356 - Posted: 14 Jun 2004, 8:52:21 UTC

I checked and another one was from my mobile AMD Duron(tm) Processor Pentium

Operating System Microsoft Windows XP Home Edition, Service Pack 1, (05.01.2600.00)

Ari

Heffed
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Message 357 - Posted: 14 Jun 2004, 10:03:50 UTC
Last modified: 14 Jun 2004, 10:05:23 UTC

This is nothing to worry about, as it's not an error.

As the message states, it's an informational alert.

It simply means that there are too many triplets or significant spike data in the WU to process it. The resulting output file would be too large. This would also be classified as a "noisy" WU.

Why bother returning them at all if they are difficult to process? Well, it just might be one of the "noisy" ones that contain proof of what we're looking for. So these results are "flagged" because they warrant further investigation.

Since it is not an error, if other hosts processing the WU also report the -9, you will get credit for it. Not a lot, but you will get some. :)


Profile [ue] Ari Ervaskivi
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Message 358 - Posted: 14 Jun 2004, 12:14:11 UTC - in response to Message 357.

Thank you!

Now i understand just a little more this project :)
Satisfied.

Ari

> This is nothing to worry about, as it's not an error.
>
> As the message states, it's an informational alert.
>
> It simply means that there are too many triplets or significant spike data in
> the WU to process it. The resulting output file would be too large. This would
> also be classified as a "noisy" WU.
>
> Why bother returning them at all if they are difficult to process? Well, it
> just might be one of the "noisy" ones that contain proof of what we're looking
> for. So these results are "flagged" because they warrant further
> investigation.
>
> Since it is not an error, if other hosts processing the WU also report the -9,
> you will get credit for it. Not a lot, but you will get some. :)
>
>
>
>

STE\/E [BlackOps]
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Message 388 - Posted: 15 Jun 2004, 11:20:12 UTC

Like Heff said it is not a error, you do get Credit for the WUnit...I get 2 or maybe 3 out of every 10 with that message all the time... :/

Profile Thierry Van Driessche
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Message 395 - Posted: 15 Jun 2004, 12:58:33 UTC
Last modified: 15 Jun 2004, 14:16:18 UTC

Short CPU times is what we had also in S@H1.
Sometimes a WU is processed in a very short time, look at this picture.
In this picture, the signal is at a scale of 4 times and represents only the 2 Gaussian signals that were found in this WU. The fact the scale has been put at 4 means these signals are very strong.

In the following picture, the scale is put at maximum and you see only the peak signals.

If you look now to the time of processing for both pictures, it is only 19 seconds !!
In S@H2, it is similar: the chance to get a "Hit" is quite high if your processing time is very short.

You might be V E R Y happy if you get WU with very low credits !!!

Good hunting.

Questions and Answers : Windows : Error message "- 9 result overflow"

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