Discussion related to cado-nfs

[Anderson Felipe Jimenez Guevara <afjimenez@unimayor.edu.co>]

Hello, how are you, my error is in the square root step, I'm working on a Raspberry Pi 3, and I'm trying to factorize a number of 103 digits, The problem is that step is freeze:

5 12:51:46 2017 [0.723 s/iter] Info:Linear Algebra: krylov: N=7000 ; ETA (N=8000): Tue Sep 5 12:52:14 2017 [0.726 s/iter] Info:Linear Algebra: krylov: N=8000 ; ETA (N=8000): Tue Sep 5 12:52:38 2017 [0.729 s/iter] Info:Linear Algebra: lingen ETA: Tue Sep 5 12:53:05 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 12:57:26 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 12:57:18 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 12:56:11 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 13:00:48 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 13:00:57 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 13:00:59 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 13:01:07 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 13:01:09 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 13:01:15 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 13:13:13 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 13:13:32 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 13:13:35 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 13:14:34 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 13:02:50 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 13:03:26 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 13:03:40 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 13:03:49 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 13:03:33 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 13:03:08 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 13:04:41 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 13:05:08 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 13:03:43 2017 Info:Linear Algebra: lingen ETA: Tue Sep 5 13:02:01 2017 Info:Linear Algebra: mksol: N=1000 ; ETA (N=4000): Tue Sep5 13:54:52 2017 [0.795 s/iter] Info:Linear Algebra: mksol: N=2000 ; ETA (N=4000): Tue Sep5 13:55:12 2017 [0.800 s/iter] Info:Linear Algebra: mksol: N=3000 ; ETA (N=4000): Tue Sep5 13:55:20 2017 [0.802 s/iter] Info:Linear Algebra: mksol: N=4000 ; ETA (N=4000): Tue Sep5 13:55:12 2017 [0.800 s/iter] Info:Quadratic Characters: Starting Info:Square Root: Starting Info:Square Root: Creating file of (a,b) values

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GCC -v output 

Using built-in specs.

COLLECT_GCC=gcc

COLLECT_LTO_WRAPPER=/usr/lib/gcc/arm-linux-gnueabihf/6/lto-wrapper

Target: arm-linux-gnueabihf

Configured with: ../src/configure -v --with-pkgversion='Raspbian 6.3.0-18+rpi1' --with-bugurl=file:///usr/share/doc/gcc-6/README.Bugs --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-6 --program-prefix=arm-linux-gnueabihf- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-libitm --disable-libquadmath --enable-plugin --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-6-armhf/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-6-armhf --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-6-armhf --with-arch-directory=arm --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-target-system-zlib --enable-objc-gc=auto --enable-multiarch --disable-sjlj-exceptions --with-arch=armv6 --with-fpu=vfp --with-float=hard --enable-checking=release --build=arm-linux-gnueabihf --host=arm-linux-gnueabihf --target=arm-linux-gnueabihf

Thread model: posix

gcc version 6.3.0 20170516 (Raspbian 6.3.0-18+rpi1)

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I'm using the development and 2.2.0 version, this does not happen with samller numbers.

Thanks and sorry for my bad English