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Old 2005-05-09, 23:25   #1
wblipp
 
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Default Links to Precompiled GMP-ECM versions

This thread is for links to versions of GMP-ECM that have been compiled for various systems and discussions about their relative preformance. Please include information about target processors and operating systems and environments (i.e. Cygwin or MinGW or ?) and about the code and patch versions used.
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Old 2005-06-18, 21:06   #2
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GMP-ECM 6.0.1:

Athlon M4 Thunderbird 950Mhz. OS: Windows XP SP2. Compiled with MinGW: ecmathlon.rar

P4 Northwood 2.4Ghz. OS: Windows XP SP2. Compiled with MinGW: ecmp4n.rar

P4 Prescott 3.4Ghz. OS: Windows XP SP2. Compiled with MinGW: ecmp4p.rar
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Old 2005-06-18, 21:22   #3
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Testing on Kevin G. Hare's c301 http://www.mersenneforum.org/showthread.php?t=3101:

P4 3.4Ghz:
ecm 3000000 < c301.txt
GMP-ECM 6.0.1 [powered by GMP 4.1.4] [ECM]
Input number is 3831565799519436303487742350308454794716675157894098584352121252263510024611805907320592374654433186020517108665467143471934035839395496243353321245760019611207664487665420776742726779780862993590544596916020496510980740067901995154639576852120198067468078357247366647828551141390739467161074462608561 (301 digits)
Using B1=3000000, B2=4016636513, polynomial Dickson(6), sigma=643218815
Step 1 took 161863ms
Step 2 took 53618ms

Same number on Athlon 950Mhz:
Using B1=3000000, B2=4016636513, polynomial Dickson(6), sigma=3274898277
Step 1 took 376698ms
Step 2 took 134392ms
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Old 2005-06-20, 14:14   #4
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Same c301 on:
P4 2.4Ghz
Using B1=3000000, B2=4016636513, polynomial Dickson(6), sigma=2830588821
Step 1 took 211290ms
Step 2 took 74878ms
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Old 2005-09-13, 17:52   #5
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Hi !

I have access to a Celeron M 360 (1.4Ghz, 1Mb fast L2 cache) and, whereas ggnfs is only 15 % slower with the celeron than with a 2Ghz OC Duron, P4 gmp-ecm pre-compiled binaries are 45-50% slower...
I know that Pentium M and Celeron M are P4 compatibles and I wonder if this difference is inherent to the program or if a pentium M gmp-ecm built would speed ecm a lot?? (ggnfs is Pentium M optimized)
BTW, can someone provide me pre-compiled pentium M win32 binaries or a link to such binaries (or simply an answer, to see if it's worth the time to install linux on the portable, just for compiling gmp and ecm myself with P.M optimizations...).

Thanks.
Regards.

Philippe.

Last fiddled with by Phil MjX on 2005-09-13 at 17:53
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Old 2005-09-13, 18:35   #6
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Hi Philippe

You don't have to install Linux to compile an optimized ecm. If you're running Windoze you can try to follow my guide to compile it.

Good luck!

OH
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Old 2005-09-13, 18:41   #7
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Here are PentiumM-optimized binaries.
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Old 2005-09-13, 19:20   #8
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Quote:
Originally Posted by OmbooHankvald
Hi Philippe

You don't have to install Linux to compile an optimized ecm. If you're running Windoze you can try to follow my guide to compile it.

Good luck!

OH
Hi OmbooHankvald!
I have formerly tried to compile gmp-ecm with cygwin (and I must say that compiling gmp with cygwin isn't so easy) and binaries were slightly less efficient than those compiled by others with more experience with gcc flags...That's why I was asking for binaries.
I do indeed appreciate your guides and have visited the page you show me a few days ago... Lacking a fast internet connexion, it is easier for me to download a binary than the whole mingw suite...
Thanks for helping me !

Hi Mystwalker!
Thanks a lot for the binaries!...I'll try them in a few minutes and, if interesting, post my results !

Best regards.
Philippe.

Last fiddled with by Phil MjX on 2005-09-13 at 19:22
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Old 2006-01-27, 19:49   #9
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Anyone interested in compiling, for me, the GMP-ECM 6.0.1 for an AMD 64 windows machine?

Thanks in advance,

Carlos

Last fiddled with by em99010pepe on 2006-01-27 at 19:52
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Old 2006-02-02, 22:43   #10
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Anyone?!?!?!

Carlos
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Old 2006-06-18, 20:17   #11
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Bump.

Are there 6.1 executables available for various configurations?

I've determined the 6.0.1 Windows executable I'm using on P4s and Athlon XPs fails when doing ECM with B1=260M, giving the message

GNU MP: Cannot allocate memory (size=562053120)
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