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Old 2010-09-03, 20:42   #12
RichardB
 
Apr 2010
England

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It was a long time ago I installed Prime95, so I can't remember- when I install will it reserve numbers and start automatically, as I said I want to only use it for P-1 and trial factoring.

Don't worry I found out for myself, thanks.

Last fiddled with by RichardB on 2010-09-03 at 20:56
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Old 2010-09-03, 21:05   #13
RichardB
 
Apr 2010
England

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Uh oh, on the worker screen I saw it say something like not enough memory for P-1 and then I saw it say double check, I specifically said trial and P-1, Worker 1 seems to now be doing something similar to my iMac's iteration talk for LL and worker 2 is doing trial factoring. My status window if this helps:

Below is a report on the work you have queued and any expected completion dates.
[Worker thread #1]
M25361101, Double-check, Thu Sep 16 22:04 2010
[Worker thread #2]
M74284403, factor from 2^66 to 2^67, Sat Sep 4 02:33 2010
M74313089, factor from 2^65 to 2^66, Sat Sep 4 04:57 2010
M76389373, factor from 2^66 to 2^67, Sat Sep 4 09:38 2010
M76421977, factor from 2^66 to 2^67, Sat Sep 4 14:18 2010
M76429979, factor from 2^66 to 2^67, Sat Sep 4 18:58 2010
M76322471, factor from 2^65 to 2^66, Sat Sep 4 21:19 2010
M76340161, factor from 2^65 to 2^66, Sat Sep 4 23:39 2010
M76398983, factor from 2^65 to 2^66, Sun Sep 5 01:59 2010
M76430201, factor from 2^65 to 2^66, Sun Sep 5 04:19 2010
M76471207, factor from 2^65 to 2^66, Sun Sep 5 06:40 2010
M76475089, factor from 2^65 to 2^66, Sun Sep 5 09:00 2010
M76494283, factor from 2^65 to 2^66, Sun Sep 5 11:20 2010
M76497089, factor from 2^65 to 2^66, Sun Sep 5 13:40 2010
M76503737, factor from 2^65 to 2^66, Sun Sep 5 16:00 2010
M76506127, factor from 2^64 to 2^65, Sun Sep 5 17:10 2010
The chance that the exponent you are testing will yield a Mersenne prime is about 1 in 11840115.

Last fiddled with by RichardB on 2010-09-03 at 21:12
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Old 2010-09-03, 21:11   #14
mdettweiler
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Aug 2007
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Quote:
Originally Posted by RichardB View Post
Uh oh, on the worker screen I saw it say something like not enough memory for P-1 and then I saw it say double check, I specifically said trial and P-1, Worker 1 seems to now be doing something similar to my iMac's iteration talk for LL and worker 2 is doing trial factoring.
My guess is that Worker 1, which I'm assuming is the one you selected P-1 for, was recognized by PrimeNet as not having enough memory to do P-1; thus, it likely assigned a doublecheck LL (or possibly first-time LL) instead.

How much memory does the machine have, and how much do you have Prime95 set to use? The latter defaults to 8 MB, which is useless for P-1; you should be able to get a P-1 asisgnment if you set it to 300MB or greater. (If you have 2 GB or more of total memory, I'd recommend setting Prime95 to use at least 500MB, more if you can spare it. There's a diminishing returns effect as you add more memory but the "sweet spot" is in the vicinity of 300MB-1GB.)

Once you've done that, try unreserving the LL (Advanced>Unreserve Exponent); Worker 1 should then stop that test and fetch a P-1 as originally intended.

Last fiddled with by mdettweiler on 2010-09-03 at 21:12
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Old 2010-09-03, 21:15   #15
RichardB
 
Apr 2010
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I noticed this exactly when I saw the goings on, it's now on 1024 for day time and night time (4 GB RAM on computer). But I want P-1 back, not the double check! I try the unreserve, do I need to type it in manually? Strange there's no popup menu. (How would I un reserve one this isn't reserved?)

Last fiddled with by RichardB on 2010-09-03 at 21:17
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Old 2010-09-03, 21:22   #16
mdettweiler
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Quote:
Originally Posted by RichardB View Post
I noticed this exactly when I saw the goings on, it's now on 1024 for day time and night time (4 GB RAM on computer). But I want P-1 back, not the double check! I try the unreserve, do I need to type it in manually? Strange there's no popup menu. (How would I un reserve one this isn't reserved?)
Yeah, the Unreserve dialogue box is a bit spartan...the reasoning behind that is that you can use that box to unreserve exponents held by any of your computers, not just the one you're on. (If you enter an exponent that isn't assigned to you, it will give you an error message.) Nonetheless, it has been a popular feature request for future P95 versions to replace it with a list of currently reserved exponents from which the user can choose.

Once you've manually entered the doublecheck exponent into the Unreserve box and clicked OK (or whatever the button is to actually submit the unreservation), Worker 1 should immediately stop the doublecheck and grab a P-1 instead.

Last fiddled with by mdettweiler on 2010-09-03 at 21:23
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Old 2010-09-03, 21:25   #17
RichardB
 
Apr 2010
England

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Thank, working great:


Below is a report on the work you have queued and any expected completion dates.
[Worker thread #1]
M53208523, P-1, Mon Sep 6 13:42 2010
M53208527, P-1, Thu Sep 9 04:59 2010
[Worker thread #2]
M74284403, factor from 2^66 to 2^67, Sat Sep 4 02:16 2010
M74313089, factor from 2^65 to 2^66, Sat Sep 4 04:40 2010
M76389373, factor from 2^66 to 2^67, Sat Sep 4 09:20 2010
M76421977, factor from 2^66 to 2^67, Sat Sep 4 14:01 2010
M76429979, factor from 2^66 to 2^67, Sat Sep 4 18:41 2010
M76322471, factor from 2^65 to 2^66, Sat Sep 4 21:01 2010
M76340161, factor from 2^65 to 2^66, Sat Sep 4 23:22 2010
M76398983, factor from 2^65 to 2^66, Sun Sep 5 01:42 2010
M76430201, factor from 2^65 to 2^66, Sun Sep 5 04:02 2010
M76471207, factor from 2^65 to 2^66, Sun Sep 5 06:22 2010
M76475089, factor from 2^65 to 2^66, Sun Sep 5 08:42 2010
M76494283, factor from 2^65 to 2^66, Sun Sep 5 11:02 2010
M76497089, factor from 2^65 to 2^66, Sun Sep 5 13:22 2010
M76503737, factor from 2^65 to 2^66, Sun Sep 5 15:42 2010
M76506127, factor from 2^64 to 2^65, Sun Sep 5 16:52 2010
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