L.S.,
Weekly I make a graph of the file nofactors.cmp. It shows till what
depth ranges of exponents have been factored. Currently the depth varies
from 2^56 up to 2^73. The graphs are available as .gif images at
http://home.planet.nl/~tha/mersenne/index.html
YotN,
Henk Stokhorst
on the Dilbert website for quite some time. It
does do mission statements. Can someone generate a mission statement for
Gimps using this site?
http://www.dilbert.com/comics/dilbert/games/career/bin/ms.cgi
YotN,
Henk Stokhorst
L.S.,
Does this signify some results have been judged invalid and need retesting?
YotN,
Henk Stokhorst.
--- Mersenne Exponent Test Distribution Map ---
Exponent Range Trial Factoring Lucas-Lehmer Double Checking
Avail Out Factd
L.S.,
Any netconx teammember on the list that can contact me?
YotN,
Henk Stokhorst
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to be through the emailaddress in the client
if even that is known to the server.
YotN,
Henk Stokhorst
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http://slashdot.org
factoring breakthrough?
YotN,
Henk Stokhorst
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already been handcoded. But it would be nice to know if a recompile with
this compiler would improve throughput significantly, anyone?
YotN,
Henk Stokhorst
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L.S.,
With all the new machines getting steam, among them Pentium IV machines with
the SSE2 code the throughput of primenet is increasing sharply over the last
weeks, Today it broke the 3 Tflop barrier.
The virtual machine's
sustained throughput* is currently
3024 billion floating
L.S.,
Another milestone has been acomplished. M4 has been completely factored,
two factors were found, 2^4 -1 = 15 = 3 * 5.
more details at http://slashdot.org/ see: IBM builds a limited quatum
computer.
YotN,
Henk Stokhorst
L.S.,
at the time of the discovery the amount of personal computers checking
in results to primenet was around 20,000. I have no idea where the
210,000 number came from.
YotN,
Henk Stokhorst
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. The Delphi sourcecode in the
zipfile can be trown away if not wanted. To use the program run the
'decomp -n lowerlimit upperlimit' utility first. The program can be
found at:
http://home.planet.nl/~tha/overview.zip
YotN,
Henk Stokhorst
Gordon Spence wrote:
Currently my team report cleared list shows 338 double checks and 12
double checked factored including this monster
6630223 87 DF 195139088771490335223859559 07-Apr-01 07:58 trilog
(In fact when it was checked in PrimeNet initially rejected it because
it was longer
Tijl Kindt wrote:
* Does anybody know how much more energy would be consumed by running
Prime95 10 hours a day and on all workdays on 130 computers*
Depends on, if the systems are on anyway, there will be no noticeable
difference. If they are switched on just to run prime95, whilst they
L.S.,
Another 'eagle eyed' observation ;-)
Intel Pentium 4 :560
AMD Athlon: 8510
Intel Pentium III : 9737
Intel Pentium II : 3434
Intel Celeron : 2023
Intel Pentium Pro : 1617
Intel Pentium : 2800
AMD K6
L.S.,
from the status.shtml page:
--- Mersenne Exponent Test State ---
Assigned in Tests Cleared Since Last Synchronization
Factoring only: 8683 Factored composite: 13505
Lucas-Lehmer testing : 27314
George Woltman wrote:
In fact, one of the reasons I was a little suspicious of the report
this morning
was that I had not received the primenet email. It seems that the
eagle-eyed
Henk Stokhorst may have been the first to know that M#39 was uncovered.
Achim Passauer, also from Europe
. But it is an indication
how much air is in the number of processors active listed on the
primenet statuspage due to pc's that never finish an assigned exponent.
Assume the amount of contributing processors to be in between 15.000 to
23.000
Henk Stokhorst
to pc's that never finish an assigned exponent.
YotN,
Henk Stokhorst.
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?
YotN,
Henk Stokhorst
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improvements so
I wondered if it wouldn't be a good idea to inform users through the
occasional newsletter. Particulary because it gives a 10% improvement
for Pentium I, II and III users and it skips P-1 if it has been done.
YotN,
Henk Stokhorst.
PS those abandoned assignments do't slow down the project
with a constant daily flow. Does
anyone know more about this?
YotN,
Henk Stokhorst
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done etc. It is not the place to dicuss items that should be
discussed on this list.
The homepage can be found at
http://groups.yahoo.com/group/LoneMersenneHunters
Happy hunting,
Henk Stokhorst.
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not been updated yet.
YotN,
Henk Stokhorst
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' to
'nofactor_old', create a new nofactor file with the same range and then
run factor_changes_overview.
Mail me for any questions.
YotN,
Henk Stokhorst
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Mersenne Prime FAQ
have that option. That version should only be available to people who
have fast (700 MHz or more) machines running most of the day. That would
help prevent exponents expiring multiple times.
YotN,
Henk Stokhorst
L.S.,
If anyone is working within the range 39.000.000 - 40.000.000, please
contact me to avoid double work, I plan to delve for factors over there.
YotN,
Henk Stokhorst
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L.S.,
I would enjoy it if it would be possible to have a prime95 version with
a P-1 factoring assignments only option. My pc starts to crunch
(literally, really, it starts to peep intermittantly like as if it needs
lubricant) if I switch to LL testing. It would save time for the people
prefering
done and can be done
to avoid this?
YotN,
Henk Stokhorst
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recommend for
such operations ;-)
YotN,
Henk Stokhorst
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Gordon Spence wrote:
When I extract items from this file using decomp.exe from George, then ALL
of the
lines already say Factor=
How are you extracting them?
with the wrong parameter, -t instead of -w ;-)
YotN,
Henk Stokhorst
L.S.,
Anyone already working on a 64 bits version of Prime for AMD's
Hammerfamily?
YotN,
Henk Stokhorst
http://www.x86-64.org/
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Hi,
for all of you who couldn't get their 1.13 GHz Pentiums working
correctly with Prime95, there is a story on that at
http://www.tomshardware.com/cpu/00q3/000801/pentiumiii-01.html
YotN,
Henk Stokhorst
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?
There are no energysaving programs installed other than switching of the
monitor. Restarting Prime 95 gets the system monitor reporting 100%
processor usage, however taking an iteration 40 times as much time as
normal, quitting Prime95 then gets processor activity back to zero!
YotN,
Henk
of the
Willamette should be preferred for LL testing?
YotN,
Henk Stokhorst.
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L.S.,
And below M3600, there are 159,975 exponents (again repeating Brian)
with at least 10 million digits.
Fine, but are the efforts being made in that region centrally registered?
YotN,
Henk Stokhorst.
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[EMAIL PROTECTED] wrote:
Perhaps we should wait a few weeks, then poll a selection of users as to
whether they prefer to participate using a "Prime95 style" background
program or a "Seti@home" style screensaver.
A working Prime95 screensaver program will certainly make it a lot easier to
charts, just for
the fun, in case there is nothing else useful to be done.
Henk Stokhorst
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:
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9962497646848024880749924272446637457099914453082421646959773690663827212173
6526607699022870679030143158018123175881930939339869708632591433883
YotN,
Henk Stokhorst
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be
viewed at http://home.wxs.nl/~tha/Mersenne/endorse.gif
YotN,
Henk Stokhorst.
-
Meganet P-Time Deterministic Primality Test endorsed by world renowned
mathematician.
In response to your email inquiring about our Polynomial Time 100%
Deterministic Prime Testing, we have attached the endorsement
George responded:
At 07:49 PM 11/3/98 +0100, you wrote:
Does that take into account the fact that a factor found does not
require time to check, whereas a LL residue needs to be
computed twice?
Yes and no. I don't take it into account when I compute
the breakeven point, but I always
George Woltman wrote:
The optimal breakeven point for factoring vs. LL testing
changes every time the factoring code or LL code changes.
In the old days, the breakeven point was 2^56, now its 2^57.
Does that take into account the fact that a factor found does not
require time to check,
John R Pierce wrote:
agreed. I discovered most of my HTTP clients at work were busy retrying ever 2
minutes and not getting any work done today.
The next version (16.x or whatever) should default to 240 minutes instead of 2. As
long as the server is down less than the days of work to get
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