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Search: Posts Made By: jmblazek
Forum: Conjectures 'R Us 2014-09-13, 21:05
Replies: 1,671
Views: 110,958
Posted By jmblazek
Reserving S51 25k+

Reserving S51 25k+
Forum: Conjectures 'R Us 2014-09-13, 21:04
Replies: 2,180
Views: 147,826
Posted By jmblazek
Starting S393

Starting S393
Forum: Conjectures 'R Us 2014-09-11, 16:28
Replies: 2,180
Views: 147,826
Posted By jmblazek
S291 complete to 50k.

S291 complete to 50k.
Forum: Conjectures 'R Us 2014-09-11, 16:26
Replies: 3,740
Views: 231,286
Posted By jmblazek
S658 complete to 25k

S658 complete to 25k
Forum: Conjectures 'R Us 2014-09-03, 23:33
Replies: 3,740
Views: 231,286
Posted By jmblazek
Starting S658 and S291 to 10k.

Starting S658 and S291 to 10k.
Forum: Conjectures 'R Us 2014-08-23, 01:23
Replies: 401
Views: 21,791
Posted By jmblazek
Well done!!! In more ways than one. :wink:

Well done!!! In more ways than one. :wink:
Forum: Conjectures 'R Us 2014-08-04, 20:48
Replies: 868
Views: 69,789
Posted By jmblazek
My apologies. I was not aware that you personally...

My apologies. I was not aware that you personally sieved that k. From your post it appeared that credit was being given to RPS for the file. So, if it's not for their sieve file, why still credit...
Forum: Conjectures 'R Us 2014-08-04, 14:15
Replies: 868
Views: 69,789
Posted By jmblazek
Congratulations on such a large find and a top 25...

Congratulations on such a large find and a top 25 to boot. Job well done!

I noticed that this new proof code does not list the sieve effort, although it does list the sieve programs. This is not...
Forum: Conjectures 'R Us 2014-07-04, 18:32
Replies: 3,740
Views: 231,286
Posted By jmblazek
S1012 to 10k complete. 239 k's remain.

S1012 to 10k complete. 239 k's remain.
Forum: Conjectures 'R Us 2014-06-27, 14:04
Replies: 3,740
Views: 231,286
Posted By jmblazek
Starting S1012 to 10k.

Starting S1012 to 10k.
Forum: FermatSearch 2012-02-10, 20:19
Replies: 318
Views: 40,652
Posted By jmblazek
This is correct. The server performs the Fermat...

This is correct. The server performs the Fermat divisibility test and it uses pfgw.

Maybe a simple link to the official announcement (http://www.primegrid.com/download/PPS-F1494096.pdf) would...
Forum: Twin Prime Search 2009-06-10, 02:39
Replies: 11
Views: 8,464
Posted By jmblazek
8500T-10000T Primegrid COMPLETE ...

8500T-10000T Primegrid COMPLETE

Factor files located here: http://pgllr.mine.nu/sieves/tpsieve/factors/

Ranges (in T) completed by:

Menipe COMPLETE 13
pschoefer ...
Forum: Twin Prime Search 2009-06-09, 13:41
Replies: 311
Views: 22,078
Posted By jmblazek
The minimal TPS range we use for timing is 10T. ...

The minimal TPS range we use for timing is 10T. However, we look to 50T and 100T averages to make a determination.

We're using 64bit tpsieve as the standard for the timings since it's a little...
Forum: Twin Prime Search 2009-05-18, 18:36
Replies: 4
Views: 1,429
Posted By jmblazek
You can find all the recent timings here: ...

You can find all the recent timings here: http://www.primegrid.com/forum_thread.php?id=1331

Testing continues as we attempt to maximize speed.
Forum: Twin Prime Search 2007-02-04, 17:45
Replies: 144
Views: 9,402
Posted By jmblazek
FYI...stats about PG TPS's venture into the Top...

FYI...stats about PG TPS's venture into the Top 5000 Primes database.

Between January 1st and February 4th, 214 primes were added to the database. 15 were by PG TPS. 143 of the 214 entered...
Forum: Twin Prime Search 2007-02-03, 16:30
Replies: 311
Views: 22,078
Posted By jmblazek
Select Twin...and yes, your input is correct. ...

Select Twin...and yes, your input is correct.

You are searching for a twin in the form of k*2^450000+-1. You are searching through a k range of 0G to 100G.

Good Luck! :smile:
Forum: Twin Prime Search 2007-02-03, 03:33
Replies: 144
Views: 9,402
Posted By jmblazek
Congratulations!!! 21 single primes were...

Congratulations!!!

21 single primes were found in the first week of n=333,333. However, as of today, only 7 have been added to the Primes Database.

Currently, PG and TPS are ranked at 17th...
Forum: Twin Prime Search 2007-01-31, 04:27
Replies: 311
Views: 22,078
Posted By jmblazek
The optimal sieving depth, as provided by biwema,...

The optimal sieving depth, as provided by biwema, for n=500000 is 2^57.5 which is 203P. On a single P4 3.6 GHz machine, it's estimated to take over 40 years.

Either you have a GREAT PC farm or...
Forum: Twin Prime Search 2007-01-29, 06:06
Replies: 24
Views: 2,952
Posted By jmblazek
As for where the twin and single primes will be...

As for where the twin and single primes will be in the Top 5000 list (as of 29 Jan 07):


n= 333,333 Rank in list 3003
n= 400,000 Rank in list 1415
n= 500,000 Rank in list 820
n= ...
Forum: Twin Prime Search 2007-01-27, 05:07
Replies: 311
Views: 22,078
Posted By jmblazek
I recommend sieving the entire range at once,...

I recommend sieving the entire range at once, either 0G-207G or 0G-250G. Maybe someone can sieve it until RAM requirements lower and then turn it over.

OR, if splitting the file is necessary,...
Forum: Twin Prime Search 2007-01-26, 22:16
Replies: 27
Views: 2,181
Posted By jmblazek
Use sendspace.com...notice that's where all the...

Use sendspace.com...notice that's where all the other .del files are. My 205-250 range was 17M unzipped/5M zipped. Also, the dat file is 136M zipped and it's on sendspace.com.

btw, it's...
Forum: Twin Prime Search 2007-01-26, 18:08
Replies: 27
Views: 2,181
Posted By jmblazek
YEEHAW!!! gribozavr :smile: Rytis had a...

YEEHAW!!! gribozavr :smile:

Rytis had a few users circling the wagon...this will hold them off for a while! :grin:

It looks like we'll be able to reach 1126T before the next release if...
Forum: Twin Prime Search 2007-01-26, 16:59
Replies: 27
Views: 2,181
Posted By jmblazek
Is there anyone available who can create the new...

Is there anyone available who can create the new "master" dat by removing the posted DEL files from the 205T file? Then cut out 5M-500M and post it here. That way PG can have some work until...
Forum: Twin Prime Search 2007-01-26, 15:49
Replies: 27
Views: 2,181
Posted By jmblazek
DANG that was fast! Unfortunately, we're...

DANG that was fast!

Unfortunately, we're still waiting on a range release for PG. :sad:
Fortunately, you're new completed range might make the release! :smile:
Forum: Twin Prime Search 2007-01-26, 14:08
Replies: 27
Views: 2,181
Posted By jmblazek
Sorry Rytis. Yes, today is the start date. I...

Sorry Rytis. Yes, today is the start date. I thought that we would have had something for you either last night or first thing this morning.

I see that you have a few eager crunchers over at PG....
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