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Search: Posts Made By: nngs
Forum: PrimeNet 2008-10-07, 22:32
Replies: 2
Views: 725
Posted By nngs
A much longer one before (about one month...

A much longer one before (about one month without updating)
http://mersenneforum.org/showpost.php?p=135342&postcount=22
Forum: Lounge 2008-09-16, 20:19
Replies: 55
Views: 4,634
Posted By nngs
I use a IDL...

I use a IDL (http://www.ittvis.com/ProductServices/IDL.aspx) route called LMFIT. Here is the first sentence in LMFIT help:



If I use A+B*n only (which will give me B=0.561...), the residuals...
Forum: Lounge 2008-09-16, 18:10
Replies: 55
Views: 4,634
Posted By nngs
My prediction of M45 was quite off...

My prediction of M45 was quite off (http://mersenneforum.org/showpost.php?p=130178&postcount=174), and didn't even have a chance to predict M46 (my prediction of M46 surely
would be even more off if...
Forum: Lounge 2008-07-31, 21:50
Replies: 41
Views: 3,014
Posted By nngs
I love to play go (a board game) nngs ---...

I love to play go (a board game)


nngs --- no name go server
Forum: Information & Answers 2008-05-30, 08:34
Replies: 19
Views: 1,654
Posted By nngs
I sent a PM about the exponent to you many...

I sent a PM about the exponent to you

many thanks
Forum: Lounge 2008-05-30, 00:21
Replies: 215
Views: 17,589
Posted By nngs
I did not notice that Ok, my refined range...

I did not notice that

Ok, my refined range is
57,970,000~57,980,000
Forum: Lounge 2008-05-29, 19:47
Replies: 215
Views: 17,589
Posted By nngs
I predict next Mesenne prime will be found in...

I predict next Mesenne prime will be found in between 55M~59M around Nov 2009
Forum: Information & Answers 2008-05-29, 06:09
Replies: 19
Views: 1,654
Posted By nngs
Here is my new problem. I added a exponent...

Here is my new problem.

I added a exponent for test into worktodo.ini
Test=57xxxxxx,69,1

and repeatedly get following error message like below

[Wed May 28 19:47:05 2008 - ver 24.14]...
Forum: Information & Answers 2008-05-14, 06:33
Replies: 19
Views: 1,654
Posted By nngs
This is my case! Thanks a lot for the...

This is my case!

Thanks a lot for the details
Forum: Information & Answers 2008-05-13, 23:18
Replies: 19
Views: 1,654
Posted By nngs
Got it. Then I have another question: ...

Got it.

Then I have another question:

I can't find the exponent I want to test on that page (I input the proper range, but not all
primes in that range show up after click "get data")

can...
Forum: Information & Answers 2008-05-13, 19:06
Replies: 19
Views: 1,654
Posted By nngs
Thanks for the explanation I did not find...

Thanks for the explanation

I did not find the "factoring limits" query page, but I got something from
http://mersenne.org/math.htm

Now I guess I can use
Test=xxxxxxxx, yy, 0 (yy is quoted...
Forum: Information & Answers 2008-05-13, 04:22
Replies: 19
Views: 1,654
Posted By nngs
I have one more question related to this topic ...

I have one more question related to this topic

If I want to test an exponent (very big) that has not yet been touched by
a factoring machine in primenet, what format should I use to add it into...
Forum: Lounge 2008-03-31, 21:23
Replies: 1
Views: 520
Posted By nngs
To describe this in another way, There is a...

To describe this in another way,

There is a number X. if your rank N times your speed V (in p90year/day) is greater than X, you will move up in the ranking list; otherwise you will move downward...
Forum: Lounge 2008-03-31, 20:44
Replies: 1
Views: 520
Posted By nngs
Ranking and Speed

I found a very interesting thing about LL ranking and LL (computing) speed.

First, let me list some data:
RankingPlace versus LL speed

the 1st place --- 237 (P90)year/day (from...
Forum: Lounge 2008-03-29, 02:10
Replies: 215
Views: 17,589
Posted By nngs
This makes me to think to use more complicated...

This makes me to think to use more complicated function to
fit $\log_2(\log_2(M_{\rm n}))$ instead of the simple linear function used in http://primes.utm.edu/notes/faq/NextMersenne.html

I used a...
Forum: Hardware 2008-02-15, 01:48
Replies: 7
Views: 918
Posted By nngs
More details about your computer? what kind of...

More details about your computer?
what kind of CPU, memory?

I have CeleronD (3.0GHz 256K cache) box running LL test. The best iterationtime for 40M numbers (FFT 2560K) is about 0.112s, but...
Forum: Hardware 2008-01-25, 07:02
Replies: 54
Views: 5,821
Posted By nngs
C2Q power consumption for LL tests: Dell...

C2Q power consumption for LL tests:

Dell Inspiron530
CPU: C2Q 2.4GHz
1 GB DDR2 SDRAM @ 667MHz (seems dual channel, but not sure)
Integrated Video/Audio
SATA 250GB
16X DVD+/-RW
19in1 card...
Forum: PrimeNet 2007-11-30, 19:15
Replies: 1
Views: 745
Posted By nngs
Just found the answer from the report entry page ...

Just found the answer from the report entry page
"Lucas-Lehmer assignments usually start with an asterisk (*) to the right of the exponent, indicating Prime95 will try to factor the Mersenne...
Forum: PrimeNet 2007-11-30, 19:10
Replies: 1
Views: 745
Posted By nngs
A question on the account report

In the "Exponents Assigned" section of the report, a "*" symbol often shows up in 2nd collumn (as shown bellow)

38313227 * 69 3255999 24.7 15.1 71.1 13-Nov-07 21:21 06-Nov-07 02:18 ...
Forum: Software 2007-11-14, 21:34
Replies: 15
Views: 742
Posted By nngs
What if M45 in that region? :wink::wink:

What if M45 in that region? :wink::wink:
Forum: Software 2007-11-11, 21:26
Replies: 15
Views: 742
Posted By nngs
Thx for the explanation. So people will feel...

Thx for the explanation.

So people will feel their machines a little bit "slow down" (adding fewer P90 years) as they crunching in between 39500000 and 40250000 :squash:
Forum: Software 2007-11-11, 07:15
Replies: 15
Views: 742
Posted By nngs
This link gave the same results which puzzles me...

This link gave the same results which puzzles me too. Because these two exponents use different FFT size (2048k versus 2560k), their P90 years should have much larger difference (based on the list...
Forum: Software 2007-11-11, 04:41
Replies: 15
Views: 742
Posted By nngs
Wrong credit in P90 years?

Here is my concern:

Recently I finished 2 exponents, one is 391xxxxx (FFT size 2048k), another is 402xxxxx (FFT size 2560k). Because they are different in FFT size, I expected the 2nd one add...
Forum: PrimeNet 2007-04-25, 04:29
Replies: 0
Views: 535
Posted By nngs
what heppened to "PrimeNet Top Producers Awards"

http://mersenne.org/ips/tops.shtml
http://mersenne.org/ips/top101to500.shtml
http://mersenne.org/ips/top501to1000.shtml
...

These pages seem to be unchanged since Apr 19 2007 4:00AM Pacific
Forum: Software 2007-04-13, 22:29
Replies: 4
Views: 2,088
Posted By nngs
I remember I read a thread somewhere here which...

I remember I read a thread somewhere here which suggested changing the screen resolution
to the lowest one if using integrated video card. But my video card is a regular AGP card, and I lowered the...
Showing results 1 to 25 of 60

 
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