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-   -   CADO-NFS Humo(u)r (https://www.mersenneforum.org/showthread.php?t=25567)

EdH 2020-05-25 20:24

CADO-NFS Humo(u)r
 
I've written more than once about ETAs in the distant future, which is caused quite naturally by an expectation that a single machine is running the project and clients have not, as yet, uploaded any results.

This time, as results came in, I received ETAs into the past:
[code]
PID28269 [B]2020[/B]-05-25 15:56:59,540 Info:Polynomial Selection (size optimized): Marking workunit c200_polyselect1_211962240-211972320
as ok (105.8% => ETA Sat Sep 11 02:31:20 [B]1982[/B])
. . .
PID28269 [B]2020[/B]-05-25 15:59:16,188 Info:Polynomial Selection (size optimized): Marking workunit c200_polyselect1_212052960-212063040
as ok (106.3% => ETA Tue Jul 8 06:54:08 [B]1980[/B])
. . .
PID28269 [B]2020[/B]-05-25 16:02:12,767 Info:Polynomial Selection (size optimized): Marking workunit c200_polyselect1_212143680-212153760
as ok (106.8% => ETA Thu Jun 15 05:31:36 [B]1978[/B])
[/code]:smile:

xilman 2020-05-26 07:57

[QUOTE=EdH;546423]I've written more than once about ETAs in the distant future, which is caused quite naturally by an expectation that a single machine is running the project and clients have not, as yet, uploaded any results.

This time, as results came in, I received ETAs into the past:
[code]
PID28269 [B]2020[/B]-05-25 15:56:59,540 Info:Polynomial Selection (size optimized): Marking workunit c200_polyselect1_211962240-211972320
as ok (105.8% => ETA Sat Sep 11 02:31:20 [B]1982[/B])
. . .
PID28269 [B]2020[/B]-05-25 15:59:16,188 Info:Polynomial Selection (size optimized): Marking workunit c200_polyselect1_212052960-212063040
as ok (106.3% => ETA Tue Jul 8 06:54:08 [B]1980[/B])
. . .
PID28269 [B]2020[/B]-05-25 16:02:12,767 Info:Polynomial Selection (size optimized): Marking workunit c200_polyselect1_212143680-212153760
as ok (106.8% => ETA Thu Jun 15 05:31:36 [B]1978[/B])
[/code]:smile:[/QUOTE]I reported that effect to the CADO-NFS mailing list a year or two ago. Extrapolation of my early results suggested that the factorization would be complete in roughly 4000BCE

retina 2020-05-26 08:15

[QUOTE=xilman;546466]Extrapolation of my early results suggested that the factorization would be complete in roughly 4000BCE[/QUOTE]Pity it wasn't [url=https://www.wired.com/2010/10/1022creation-4004bc-ussher/]4004BCE[/url]

xilman 2020-05-26 09:51

[QUOTE=retina;546467]Pity it wasn't [url=https://www.wired.com/2010/10/1022creation-4004bc-ussher/]4004BCE[/url][/QUOTE]That date was well within the error bars.


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