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-   -   Strategic Double Clicking (https://www.mersenneforum.org/showthread.php?t=20372)

Mark Rose 2016-05-14 20:37

[QUOTE=Madpoo;433934]Here are a few more... looking at the CPU's lifetime history and picked any that had more than zero bad, zero good, and only one or two non-doublechecked results. Could be interesting...

For example, there are systems that have only ever checked in two results and one of them was bad... I have to think there are good odds their other one is bad as well.
[/QUOTE]

I queued them all. Should keep me busy for a month. I have some CPU power now, since SoB is down.

GP2 2016-05-17 17:50

[QUOTE=Mark Rose;433944]I queued them all. Should keep me busy for a month. I have some CPU power now, since SoB is down.[/QUOTE]

A pity what happened there. I hope PrimeNet is careful about backups.

Madpoo 2016-05-21 05:12

More strategic double-check stuff.

[CODE]exponent Bad Good Unk Sus Solo Mis worktodo
38305409 5 1 1 0 1 0 DoubleCheck=38305409,71,1
38941213 6 2 1 0 1 0 DoubleCheck=38941213,71,1
39081709 3 0 2 0 2 0 DoubleCheck=39081709,71,1
40083389 4 1 1 0 1 0 DoubleCheck=40083389,72,1
40183463 3 0 1 0 1 0 DoubleCheck=40183463,72,1
40324943 3 0 3 0 2 1 DoubleCheck=40324943,72,1
40424129 3 0 2 0 2 0 DoubleCheck=40424129,72,1
40463261 6 0 1 0 1 0 DoubleCheck=40463261,72,1
40707103 5 1 2 0 2 0 DoubleCheck=40707103,72,1
40733453 4 0 1 1 1 1 DoubleCheck=40733453,72,1
40758463 4 1 1 0 1 0 DoubleCheck=40758463,72,1
41080399 5 0 3 0 2 1 DoubleCheck=41080399,72,1
41109259 15 5 1 0 1 0 DoubleCheck=41109259,72,1
41178523 4 0 1 0 1 0 DoubleCheck=41178523,72,1
41218607 3 1 1 1 1 1 DoubleCheck=41218607,72,1
41250659 4 1 4 0 4 0 DoubleCheck=41250659,72,1
45968987 3 0 1 0 1 0 DoubleCheck=45968987,72,1
47151683 3 1 7 0 5 2 DoubleCheck=47151683,72,1
47231027 9 3 6 2 4 4 DoubleCheck=47231027,72,1
47363587 3 1 7 0 5 2 DoubleCheck=47363587,72,1
47368703 3 1 7 0 5 2 DoubleCheck=47368703,72,1
47374993 3 1 7 0 5 2 DoubleCheck=47374993,72,1
48782423 9 3 6 2 4 4 DoubleCheck=48782423,72,1
49554821 9 3 6 2 4 4 DoubleCheck=49554821,72,1
49602347 3 1 7 0 5 2 DoubleCheck=49602347,72,1
50158111 9 3 6 2 4 4 DoubleCheck=50158111,73,1
73511609 5 1 11 0 11 0 DoubleCheck=73511609,75,1
73602083 5 1 11 0 11 0 DoubleCheck=73602083,75,1
73605017 9 0 16 0 16 0 DoubleCheck=73605017,75,1
73611509 5 1 11 0 11 0 DoubleCheck=73611509,75,1
73648909 19 3 9 0 8 1 DoubleCheck=73648909,75,1
73681061 9 0 16 0 16 0 DoubleCheck=73681061,75,1
73682051 17 2 20 0 20 0 DoubleCheck=73682051,75,1
73809503 17 2 20 0 20 0 DoubleCheck=73809503,75,1
78037517 3 0 3 6 4 5 DoubleCheck=78037517,75,1
78042049 3 0 3 6 4 5 DoubleCheck=78042049,75,1
78042199 3 0 3 6 4 5 DoubleCheck=78042199,75,1
78042233 3 0 3 6 4 5 DoubleCheck=78042233,75,1
[/CODE]

petrw1 2016-05-21 15:26

[QUOTE=petrw1;431837][CODE]78409057 6 1 24 0 24 0 DoubleCheck=78409057,75,1
78409061 6 1 24 0 24 0 DoubleCheck=78409061,75,1
78409361 6 1 24 0 24 0 DoubleCheck=78409361,75,1
78483023 6 1 27 0 27 0 DoubleCheck=78483023,75,1[/CODE][/QUOTE]

78409057 - Mismatch
78409361 - Mismatch

The other 2 will be done by the end of the month.

Prime95 2016-05-21 16:04

[QUOTE=Madpoo;434523]More strategic double-check stuff.[/QUOTE]

I took these:

[CODE]38305409 5 1 1 0 1 0 DoubleCheck=38305409,71,1
38941213 6 2 1 0 1 0 DoubleCheck=38941213,71,1
39081709 3 0 2 0 2 0 DoubleCheck=39081709,71,1
40083389 4 1 1 0 1 0 DoubleCheck=40083389,72,1
40183463 3 0 1 0 1 0 DoubleCheck=40183463,72,1
40324943 3 0 3 0 2 1 DoubleCheck=40324943,72,1
[/CODE]

petrw1 2016-05-21 22:54

Mine...
 
[CODE]40424129 3 0 2 0 2 0 DoubleCheck=40424129,72,1
40463261 6 0 1 0 1 0 DoubleCheck=40463261,72,1
40707103 5 1 2 0 2 0 DoubleCheck=40707103,72,1
40733453 4 0 1 1 1 1 DoubleCheck=40733453,72,1
40758463 4 1 1 0 1 0 DoubleCheck=40758463,72,1
41080399 5 0 3 0 2 1 DoubleCheck=41080399,72,1
41109259 15 5 1 0 1 0 DoubleCheck=41109259,72,1
41178523 4 0 1 0 1 0 DoubleCheck=41178523,72,1
41218607 3 1 1 1 1 1 DoubleCheck=41218607,72,1
41250659 4 1 4 0 4 0 DoubleCheck=41250659,72[/CODE]

petrw1 2016-05-26 15:24

[QUOTE=petrw1;434567]78409057 - Mismatch
78409361 - Mismatch

The other 2 will be done by the end of the month.[/QUOTE]

And these 2 match....

78409061 C - Verified
78483023 C - Verified

Madpoo 2016-05-29 19:01

Here's a new list of strategic double checks.

[CODE]exponent Bad Good Unk Sus Solo Mis worktodo
39243439 1 0 1 0 1 0 DoubleCheck=39243439,71,1
40147433 1 0 1 0 1 0 DoubleCheck=40147433,72,1
40190221 2 0 1 0 1 0 DoubleCheck=40190221,72,1
40335709 2 0 2 0 2 0 DoubleCheck=40335709,72,1
40608851 1 0 2 0 2 0 DoubleCheck=40608851,72,1
40609993 1 0 1 0 1 0 DoubleCheck=40609993,72,1
40633921 1 0 2 0 2 0 DoubleCheck=40633921,72,1
40635191 3 0 1 0 1 0 DoubleCheck=40635191,72,1
40683901 6 1 1 0 1 0 DoubleCheck=40683901,72,1
40755161 1 0 1 0 1 0 DoubleCheck=40755161,72,1
40842203 1 0 1 0 1 0 DoubleCheck=40842203,72,1
40874411 3 1 1 1 1 1 DoubleCheck=40874411,72,1
41065957 4 1 1 0 1 0 DoubleCheck=41065957,72,1
41097391 6 1 3 0 3 0 DoubleCheck=41097391,72,1
41142403 1 0 1 0 1 0 DoubleCheck=41142403,72,1
41241313 6 1 3 0 3 0 DoubleCheck=41241313,72,1
41255129 6 1 1 0 1 0 DoubleCheck=41255129,73,1
45627863 1 0 2 0 2 0 DoubleCheck=45627863,72,1
45968987 3 0 1 0 1 0 DoubleCheck=45968987,74,1
47231027 9 3 6 2 4 4 DoubleCheck=47231027,74,1
47368703 3 1 7 0 5 2 DoubleCheck=47368703,74,1
47374993 3 1 7 0 5 2 DoubleCheck=47374993,74,1
47884789 1 0 2 0 2 0 DoubleCheck=47884789,72,1
48782423 9 3 6 2 4 4 DoubleCheck=48782423,74,1
49554821 9 3 6 2 4 4 DoubleCheck=49554821,74,1
49602347 3 1 7 0 5 2 DoubleCheck=49602347,74,1
50158111 9 3 6 2 4 4 DoubleCheck=50158111,75,1
70623359 3 1 0 3 3 0 DoubleCheck=70623359,75,1
73484093 19 2 18 0 18 0 DoubleCheck=73484093,75,1
73511609 5 1 11 0 11 0 DoubleCheck=73511609,75,1
73566083 5 1 11 0 11 0 DoubleCheck=73566083,75,1
73602083 5 1 11 0 11 0 DoubleCheck=73602083,75,1
73605017 9 0 16 0 16 0 DoubleCheck=73605017,75,1
73611509 5 1 11 0 11 0 DoubleCheck=73611509,75,1
73648909 19 4 8 0 6 2 DoubleCheck=73648909,75,1
73681061 9 0 16 0 16 0 DoubleCheck=73681061,75,1
73682051 19 2 18 0 18 0 DoubleCheck=73682051,75,1
73809503 19 2 18 0 18 0 DoubleCheck=73809503,75,1
73915319 19 2 18 0 18 0 DoubleCheck=73915319,75,1
73915801 19 2 18 0 18 0 DoubleCheck=73915801,75,1
73916057 19 2 18 0 18 0 DoubleCheck=73916057,75,1
73919411 19 2 18 0 18 0 DoubleCheck=73919411,75,1
73919803 19 2 18 0 18 0 DoubleCheck=73919803,75,1
78037517 3 0 3 6 4 5 DoubleCheck=78037517,75,1
78042049 3 0 3 6 4 5 DoubleCheck=78042049,75,1
78042199 3 0 3 6 4 5 DoubleCheck=78042199,75,1
78042233 3 0 3 6 4 5 DoubleCheck=78042233,75,1
[/CODE]

Mark Rose 2016-05-29 19:35

[QUOTE=Madpoo;435093]Here's a new list of strategic double checks.

[CODE]exponent Bad Good Unk Sus Solo Mis worktodo
39243439 1 0 1 0 1 0 DoubleCheck=39243439,71,1
40147433 1 0 1 0 1 0 DoubleCheck=40147433,72,1
40190221 2 0 1 0 1 0 DoubleCheck=40190221,72,1
40335709 2 0 2 0 2 0 DoubleCheck=40335709,72,1
[/CODE][/QUOTE]

I queued these.

Madpoo 2016-06-02 20:54

[QUOTE=Prime95;411520]Nevermind the questions. You have found a real bug!!

If the final shift count is more than (exponent - 64), then the top (64 - (exponent - shiftcount)) bits are zeroed. I'll code up a fix.

The chance this is affecting existing LL tests is small. For exponents around 64M, 1 in 1,000,000 LL tests will be affected. I'll query the database to get us a list affected LL tests.[/QUOTE]

Since I recently ran a bunch of additional (and unneeded) checks, I forgot about this bug, or maybe I was thinking 28.7 had the fix (it doesn't).

Thanks to GP2 for noticing I now had 2 more bad results in my stats due to the "shift count+64 < exponent" bug. Whoops.

Just to know, does version 28.9 have that fix?

Prime95 2016-06-02 22:25

[QUOTE=Madpoo;435411]
Just to know, does version 28.9 have that fix?[/QUOTE]

yes


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