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-   -   49.7 to 51.0 to 63-bit (https://www.mersenneforum.org/showthread.php?t=6070)

James Heinrich 2006-06-30 12:40

49.7 to 51.0 to 63-bit
 
I'll take 49.7-50.0 (currently done to 61-bit) and 50.0-51.0 (currently done to 62-bit) and bump them up to 63-bit. Rough ETA for entire range: end of August.

James Heinrich 2006-07-01 02:27

Hmm, this may take longer than first expected... it may be closer to November by the time I'm done this set (unless I can find more CPU power somewhere)

James Heinrich 2006-07-24 23:43

Update:
47.7-50.0 should be done ~Aug 02
50.0-51.0 should be done ~Aug 30
(TF now running in 64-bit mode under Vista... and it's [url=http://mersenneforum.org/showthread.php?p=83960#post83960]waaaay faster[/url] than the 32-bit version)

James Heinrich 2006-08-04 23:21

47.0-50.0 completed to 63-bit. 7398 exponents checked, 223 factors.

James Heinrich 2006-09-07 13:15

I just "upgraded" from an Opteron165 to a Sempron2800+...
Actaully the Sempron and Opteron have identical TF performance at equal clock speeds; however because I'm down to a single core at a lower clock speed (1@2.0GHz vs 2@2.6GHz) this set now has an ETA of mid-November.

James Heinrich 2006-11-11 00:56

Updated ETA: approx Dec 18

currently done 20737 exponents, 5403 remaining, 449 factors found so far

James Heinrich 2006-12-15 12:25

Finally, range completed :smile:

49.7-50.0 from 61-63 bits:
7398 exponents, 223 factors (3.01%)

50.0-51.0 from 62-63 bits:
18742 exponents, 285 factors (1.52%)

overall:
26140 exponents, 508 factors (1.94%)

James Heinrich 2006-12-15 12:32

1 Attachment(s)
508 factors attached

lycorn 2006-12-18 22:54

Have you emailed the results to George?

James Heinrich 2006-12-25 14:21

[QUOTE=lycorn;94313]Have you emailed the results to George?[/QUOTE]
Of course :smile:

1997rj7 2007-01-17 01:04

James,

It would seem that George did not get some of your work. There are about 5500 exponents in that range still listed at 62 bits. Could you try resending them?


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