mersenneforum.org  

Go Back   mersenneforum.org > Great Internet Mersenne Prime Search > Software

Reply
 
Thread Tools
Old 2011-01-08, 20:45   #1
nuggetprime
 
nuggetprime's Avatar
 
Mar 2007
Austria

12E16 Posts
Default Glucas Source

Where can I get the newest 2.9.2 glucas source?
The oxixares server reports some error if I want to download it.

BTW,is Glucas actively developed at the moment?
nuggetprime is offline   Reply With Quote
Old 2011-01-11, 16:23   #2
nuggetprime
 
nuggetprime's Avatar
 
Mar 2007
Austria

2·151 Posts
Default

nuggetprime is offline   Reply With Quote
Old 2011-01-11, 16:46   #3
rogue
 
rogue's Avatar
 
"Mark"
Apr 2003
Between here and the

2×3,019 Posts
Default

As far as I know, glucas is no longer actively developed. I've had no recent contact with Guillermo.

If you PM me your e-mail I can zip up the source and send it to you.
rogue is online now   Reply With Quote
Old 2011-01-11, 18:53   #4
tichy
 
Nov 2010

22·19 Posts
Default

Maybe we could put it on launchpad or sourceforge ?
tichy is offline   Reply With Quote
Old 2011-01-12, 21:51   #5
rogue
 
rogue's Avatar
 
"Mark"
Apr 2003
Between here and the

2×3,019 Posts
Default

You can d/l glucas 2.9.2 source from here.
rogue is online now   Reply With Quote
Old 2011-01-13, 14:22   #6
nuggetprime
 
nuggetprime's Avatar
 
Mar 2007
Austria

2×151 Posts
Default

doesn't compile:
Code:
glucas.h:344: error: alignment of array elements is greater than element size
Maybe upload another 2.9.2 subversion?

Last fiddled with by nuggetprime on 2011-01-13 at 14:23
nuggetprime is offline   Reply With Quote
Old 2011-01-13, 15:42   #7
rogue
 
rogue's Avatar
 
"Mark"
Apr 2003
Between here and the

10111100101102 Posts
Default

Quote:
Originally Posted by nuggetprime View Post
doesn't compile:
Code:
glucas.h:344: error: alignment of array elements is greater than element size
Maybe upload another 2.9.2 subversion?
I have no clue what that error means. It is possible that gcc doesn't like some of the code in glucas.
rogue is online now   Reply With Quote
Old 2011-01-13, 16:29   #8
nuggetprime
 
nuggetprime's Avatar
 
Mar 2007
Austria

2·151 Posts
Default

I believe it has to do with the glucas version.
Could you up an earlier 2.9.2 shapshot?
BTW,does it compile fine on your PowerPC machine?

Last fiddled with by nuggetprime on 2011-01-13 at 16:29
nuggetprime is offline   Reply With Quote
Old 2011-01-13, 17:20   #9
rogue
 
rogue's Avatar
 
"Mark"
Apr 2003
Between here and the

2·3,019 Posts
Default

Quote:
Originally Posted by nuggetprime View Post
I believe it has to do with the glucas version.
Could you up an earlier 2.9.2 shapshot?
BTW,does it compile fine on your PowerPC machine?
I have nothing earlier than 2.9.2.

It did before, I haven't had to rebuild the library for a long time. I can try again later tonight.
rogue is online now   Reply With Quote
Old 2011-01-14, 13:56   #10
nuggetprime
 
nuggetprime's Avatar
 
Mar 2007
Austria

2×151 Posts
Default

don't mind,Glucas 2.9.0 can be downloaded from sourceforge and it's the same speed as the 2.9.2 version.
but something else:
Why is LLR about 5 times faster than Phrot for Phrot tests?
On my P4 3.2 GHZ:
LLR 3.8.4:
Code:
3*2^140000+1 is not prime.  Proth RES64: 2820B15AB5652D8A  Time : 29.538 sec.
Phrot 0.7.2:
Code:
3*2^140000+1 is composite LLR64=2820b15ab5652d8a. (e=0.03042 (0.0602137~3.30672e-16@0.000) t=156.42s)
Why is that?
nuggetprime is offline   Reply With Quote
Old 2011-01-14, 16:08   #11
rogue
 
rogue's Avatar
 
"Mark"
Apr 2003
Between here and the

2·3,019 Posts
Default

Quote:
Originally Posted by nuggetprime View Post
don't mind,Glucas 2.9.0 can be downloaded from sourceforge and it's the same speed as the 2.9.2 version.
but something else:
Why is LLR about 5 times faster than Phrot for Phrot tests?
On my P4 3.2 GHZ:
LLR 3.8.4:
Code:
3*2^140000+1 is not prime.  Proth RES64: 2820B15AB5652D8A  Time : 29.538 sec.
Phrot 0.7.2:
Code:
3*2^140000+1 is composite LLR64=2820b15ab5652d8a. (e=0.03042 (0.0602137~3.30672e-16@0.000) t=156.42s)
Why is that?
Note that glucas does not have hand-tuned assembly. gwnum does, and it does for many different flavors of x86 CPUs. Based upon what I've seen, glucas is better for RISC architectures. phrot on PPC is similar in speed to pfgw on x86 for most numbers, but phrot on x86 is much slower. I don't recommend phrot on x86 since pfgw can be built on any x86 platform (with a little help).
rogue is online now   Reply With Quote
Reply

Thread Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
Mlucas/Glucas for LLR tests? mdettweiler Mlucas 4 2008-03-12 22:25
OS X Glucas build rtharper Software 3 2007-06-13 23:28
Glucas and GIMPS optim Software 6 2004-04-05 21:32
GLucas.... bayanne Software 5 2003-08-15 16:14
Factoring with GLucas bayanne Software 10 2003-02-07 18:25

All times are UTC. The time now is 21:38.

Wed Dec 2 21:38:54 UTC 2020 up 83 days, 18:49, 2 users, load averages: 3.21, 4.45, 4.86

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2020, Jelsoft Enterprises Ltd.

This forum has received and complied with 0 (zero) government requests for information.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation.
A copy of the license is included in the FAQ.