Re: Mersenne: Factoring hiccup?

2003-02-14 Thread Mary K. Conner
At 10:49 PM 2/13/03 -0600, Steve Harris wrote:

I can't tell you what is causing that, but I can tell you that it has
happened to me as well.  I have only noticed it on a machine which I
switched to factoring because it consistently got errors during LL testing.
With TF I get no errors, but do get the occasional hiccup, maybe once every
six months.


I have a machine that when my son played a certain kids game, it would mark 
a factoring assignment that was in a 64 bit or higher pass as complete 
immediately and return the result.  I discovered it was because of a bad 
sound driver.  I fixed that and reran the two exponents it prematurely ended.

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Re: Mersenne: Factoring hiccup?

2003-02-13 Thread Steve Harris
I can't tell you what is causing that, but I can tell you that it has
happened to me as well.  I have only noticed it on a machine which I
switched to factoring because it consistently got errors during LL testing.
With TF I get no errors, but do get the occasional hiccup, maybe once every
six months.

Regards,
Steve

-Original Message-
From: Gordon Bower <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Thursday, February 13, 2003 5:28 AM
Subject: Mersenne: Factoring hiccup?


>
>
>An odd thing happened today. I have version 21.4.1 on my laptop (a
>PIII-1000, but only turned on a few hours a day so that LL tests would
>take months) doing trial factoring. I ahppened to see the following in the
>screen display tonight:
>
>[Feb 13 01:44] Factoring M21632497 to 2^67 is 14.43% complete.
>[Feb 13 01:45] Factoring M21632497 to 2^67 is 14.46% complete.
>[Feb 13 01:46] Factoring M21632497 to 2^67 is 14.49% complete.
>[Feb 13 01:47] Factoring M21632497 to 2^67 is 14.52% complete.
>[Feb 13 01:48] Factoring M21632497 to 2^67 is 14.55% complete.
>[Feb 13 01:49] Factoring M21632497 to 2^67 is 16.14% complete.
>
>Strange.
>
>Do we know if this is just a minor glitch in the GUI, or if the factoring
>algorithm actually misses factors?
>
>GRB
>
>
>
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>

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Mersenne: Factoring hiccup?

2003-02-13 Thread Gordon Bower


An odd thing happened today. I have version 21.4.1 on my laptop (a
PIII-1000, but only turned on a few hours a day so that LL tests would
take months) doing trial factoring. I ahppened to see the following in the
screen display tonight:

[Feb 13 01:44] Factoring M21632497 to 2^67 is 14.43% complete.
[Feb 13 01:45] Factoring M21632497 to 2^67 is 14.46% complete.
[Feb 13 01:46] Factoring M21632497 to 2^67 is 14.49% complete.
[Feb 13 01:47] Factoring M21632497 to 2^67 is 14.52% complete.
[Feb 13 01:48] Factoring M21632497 to 2^67 is 14.55% complete.
[Feb 13 01:49] Factoring M21632497 to 2^67 is 16.14% complete.

Strange.

Do we know if this is just a minor glitch in the GUI, or if the factoring
algorithm actually misses factors?

GRB



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