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Old 2004-04-30, 23:39   #1
hbock
 
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Feb 2003

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Default Next Generation : 62 bit+

After submitting 25.5-26M prefactored to 62 bit the next release of a range for TF will be necessary by end of June, I guess.
This gives us about 8 weeks to prepare the next range. Foreward-looking it seems realistic and reasonable to extend these operation now to 1M ranges, ie. 26-27M has to be ready within about 8 weeks.
Furthermore it will (hopefully) ensure that no last-minute action is necessary during the typical holiday season on the northern hemisphere (Australia and New Zealand shouldn't carry the whole burden ).
If the TF buffer and the performance is increased also higher bit levels (eg. 63 bit starting from 28M) will maybe feasible in the near future.
The intention is to bring ranges not smaller than 0.1M up to 62 bit within one run (less administration effort and no risks due to delays of the GIMPS status), scheduled in the normal list of ranges available http://www.mersenneforum.org/showthread.php?t=1326 ( most wanted ranges are now bold) and ranges out http://www.mersenneforum.org/showthread.php?t=384 . Post the range as usual, special actions can be discussed here.
All free ranges are already posted, the ranges still in use have to be released by the end of May the latest. (will send a PM to the users)

Sorry, I know this is again a task for faster computer. I guess 0.1M/61-62bit requires a fast P3 (0.8-1.1G) running 24/7, 60-62 bit Athlons (>=1.2GHz).
Of course also P4's are welcome, but to be honest, they can do a much better job for TF or P-1 if interested in a GIMPS contribution by factoring.

Slower machines (P3/PII) are also welcome to prepare higher ranges up to 61/62 bit (27.5M-32.2M), but should not take work they cannot finish by the end of August (27.5-29M) and by end of the year 2004 (30-32.2M) respectively.

Let's start again !
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Old 2004-05-03, 02:25   #2
markr
 
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"Mark"
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Quote:
Originally Posted by hbock
Australia and New Zealand shouldn't carry the whole burden
Agreed!
Mark (Sydney, Australia )
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Old 2004-05-04, 15:16   #3
tom11784
 
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ooo - we have aussie's on the crew?
neat!
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Old 2004-05-04, 17:08   #4
dave_0273
 
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I don't know how many of us there are, but I am an aussie. (Brisbane, Australia)
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Old 2004-05-09, 16:29   #5
hbock
 
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Ok, 26-26.5M are already assigned, don't hesitate to get a range within 26.5-27M still available (about 7 weeks left for completion, hopefully).
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Old 2004-05-27, 12:08   #6
hbock
 
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All ranges above 26.5M are available now, this is the status:

26.0-26.5M assigned
26.5-26.6M 2584 exponents (60 bit, 45 at 61 bit)
26.6-26.7M assigned
26.7-26.8M 2485 exponents (1343 at 61 bit, 1142 at 60 bit)
26.8-26.9M 2613 exponents (60 bit)
26.9-26.0M 2598 exponents (60 bit)

TF is again faster than expected (good indicator), so the number of exponents available for TF will probably drop below 1000 by mid of June. In any case, by this time all results of 26-26.5M should be submitted to George or Primenet. If somebody can't ensure this, please post the range you can't finish here asap.
For the upper range (26.5-27M) it seems also still feasible, there are still about 3 weeks left, but we need more contributors.
OTH, I don't see much possibilites to improve that a lot, suggestions are welcome. Of course we can split the ranges again, not to small, eg. 0.05M. I add a file with some worktodo.ini's here.
Attached Files
File Type: zip 26M_1.zip (14.4 KB, 121 views)
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Old 2004-06-01, 11:02   #7
hbock
 
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About 2 weeks left, still enough time for a 0.05M sub-range, even with an Athlon 1200 if you take the 61 bit range from 26.7-26.75M. See previous post and also http://www.mersenneforum.org/showthread.php?t=2534
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Old 2004-06-02, 15:59   #8
MrHappy
 
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My current range (26.6 - 26.7M) will definitely not be finished by June 15th and some ranges between 26.5 and 27M aren't even assigned yet.
Will George release 26.0 - 26.5M or 26.0 - 27.0M?
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Old 2004-06-02, 17:19   #9
hbock
 
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Quote:
Originally Posted by MrHappy
My current range (26.6 - 26.7M) will definitely not be finished by June 15th and some ranges between 26.5 and 27M aren't even assigned yet.
Will George release 26.0 - 26.5M or 26.0 - 27.0M?
I think he will release just the ranges completed to 62 bit, I'll send a PM short before. At the moment it seems that nobody else is interested to help, so we will be lucky to finish 26-26.5 by mid of June (better June 13).
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Old 2004-06-10, 06:54   #10
hbock
 
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26-26.5M is done and will be released to primenet soon - thanks to all !

Looking forward to 26.5-27M, just 0.2M left to assign. Added some worktodo.ini files with 0.05M portions (first number is the sub-range, second is the number of exponents).
Attached Files
File Type: zip worktodo.zip (14.7 KB, 129 views)
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Old 2004-06-10, 14:19   #11
Mike
 
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I've got a P4 2.6 computer with Win XP... I'm thinking of doing the 2650_1294 work... It won't take too long, will it? o.O

It'll just go up to 2^62, right?
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