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## page was renamed from skynet-3.0.4

<<TableOfContents>>

= Getting Sage to build and pass all tests on Skynet =

It is very important to read

{{{
/usr/local/README.background_jobs
}}}

on the skynet machines, otherwise your builds will take a long time due to long-running CPU intensive tasks. That README file tells you how to stop those CPU intensive tasks.

Current tarballs are here:

http://sage.math.washington.edu/home/release/

Current versions of Sage should build without problem on the skynet machines cicero, cleo, eno, flavius, fulvia, iras, lena, mark, mark2, sextus and taurus.

Here is information about the skynet machines. For the linux boxes, this was obtained using the script at http://trac.sagemath.org/sage_trac/ticket/8048. For the Solaris 10 machines (fulvia, mark and mark2), it was obtained using the commands listed in the description.

== Cicero ==

As of 2012 April 16:

----
basic info
{{{
uname -a: Linux cicero 3.2.3-2.fc16.i686 #1 SMP Fri Feb 3 20:06:02 UTC 2012 i686 i686 i386 GNU/Linux
}}}
----
OS/system info
{{{
/etc/lsb-release: not found! (This is generally not a problem.)
/etc/issue: Fedora release 16 (Verne)'\r'Kernel \r on an \m (\l)'\r''\r'
version: Linux version 3.2.3-2.fc16.i686 ([email protected]) (gcc version 4.6.2 20111027 (Red Hat 4.6.2-1) (GCC) ) #1 SMP Fri Feb 3 20:06:02 UTC 2012
OS bitlength: 32-bit (may not reflect hardware capabilities)
}}}
----
CPU info
{{{
model name: Intel(R) Pentium(R) 4 CPU 2.66GHz
CPU Count: 1
cores per cpu: either "1" or not directly available from /proc/cpuinfo
total number of threads: 1
64-bit capable: either "no" or not directly available from /proc/cpuinfo
}}}
----
memory info
{{{
MemTotal: 1024472 kB
MemFree: 460088 kB
SwapCached: 9844 kB
SwapTotal: 2064380 kB
SwapFree: 1963624 kB
}}}
----
misc info
{{{
gcc (GCC) 4.7.0
}}}

== Cleo ==

----
basic info
{{{
uname -a: Linux cleo 2.6.18-128.1.1.el5 #1 SMP Mon Jan 26 13:57:09 EST 2009 ia64 ia64 ia64 GNU/Linux
}}}
----
OS/system info
{{{
/etc/*-release: not found! (This is generally not a problem.)
/etc/issue: Red Hat Enterprise Linux Server release 5.3 (Tikanga)'\r'Kernel \r on an \m'\r''\r'
version: Linux version 2.6.18-128.1.1.el5 ([email protected]) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-44)) #1 SMP Mon Jan 26 13:57:09 EST 2009
OS bitlength: 64-bit
}}}
----
CPU info
{{{
vendor: GenuineIntel
family: Itanium 2
arch: IA-64
CPU Count: 2
cores per cpu: 2
total number of threads: 4
64-bit capable: yes (IA-64)
}}}
----
memory info
{{{
MemTotal: 4061952 kB
MemFree: 1663840 kB
SwapCached: 0 kB
SwapTotal: 8388576 kB
SwapFree: 8388224 kB
}}}
----
misc info
{{{
gcc (GCC) 4.5.0
}}}

== Eno ==

----
basic info
{{{
uname -a: Linux eno 2.6.32.12-115.fc12.x86_64 #1 SMP Fri Apr 30 19:46:25 UTC 2010 x86_64 x86_64 x86_64 GNU/Linux
}}}
----
OS/system info
{{{
/etc/*-release: not found! (This is generally not a problem.)
/etc/issue: Fedora release 12 (Constantine)'\r'Kernel \r on an \m (\l)'\r''\r'
version: Linux version 2.6.32.12-115.fc12.x86_64 ([email protected]) (gcc version 4.4.3 20100127 (Red Hat 4.4.3-4) (GCC) ) #1 SMP Fri Apr 30 19:46:25 UTC 2010
OS bitlength: 64-bit
}}}
----
CPU info
{{{
model name: Intel(R) Xeon(R) CPU E5345 @ 2.33GHz
CPU Count: 2
cores per cpu: 4
total number of threads: 8
64-bit capable: yes (long-mode)
}}}
----
memory info
{{{
MemTotal: 16467944 kB
MemFree: 2018052 kB
SwapCached: 25784 kB
SwapTotal: 18579448 kB
SwapFree: 18534260 kB
}}}
----
misc info
{{{
gcc (GCC) 4.5.0
}}}

== Flavius ==

----
basic info
{{{
uname -a: Linux flavius 2.6.32.12-115.fc12.x86_64 #1 SMP Fri Apr 30 19:46:25 UTC 2010 x86_64 x86_64 x86_64 GNU/Linux
}}}
----
OS/system info
{{{
/etc/*-release: not found! (This is generally not a problem.)
/etc/issue: Fedora release 12 (Constantine)'\r'Kernel \r on an \m (\l)'\r''\r'
version: Linux version 2.6.32.12-115.fc12.x86_64 ([email protected]) (gcc version 4.4.3 20100127 (Red Hat 4.4.3-4) (GCC) ) #1 SMP Fri Apr 30 19:46:25 UTC 2010
OS bitlength: 64-bit
}}}
----
CPU info
{{{
model name: AMD Opteron(tm) Processor 248
CPU Count: either "1" or not directly available from /proc/cpuinfo
cores per cpu: either "1" or not directly available from /proc/cpuinfo
total number of threads: 2
64-bit capable: yes (long-mode)
}}}
----
memory info
{{{
MemTotal: 8778376 kB
MemFree: 1348220 kB
SwapCached: 100 kB
SwapTotal: 2031608 kB
SwapFree: 2030804 kB
}}}
----
misc info
{{{
gcc (GCC) 4.5.0
}}}

== Fulvia ==

{{{
uname -a: SunOS fulvia 5.10 Generic_127128-11 i86pc i386 i86pc
cat /etc/release: Solaris 10 5/08 s10x_u5wos_10 X86
CPU count: 1 physical CPU (according to /usr/sbin/psrinfo -p)
4 threads (?) (according to /usr/sbin/psrinfo)
/usr/sbin/psrinfo -v: The i386 processor operates at 2400 MHz, and has an i387 compatible floating point processor.
/usr/sbin/prtconf | grep Memory: Memory size: 8126 Megabytes
}}}

To build Sage on fulvia, set the following variables:
{{{
export SAGE_PORT='yes'
export PATH=/home/palmieri/fulvia/bin:/usr/local/gcc-4.5.1/x86_64-SunOS-core2-sun-ld/bin:$PATH
export LD_LIBRARY_PATH="/usr/local/gcc-4.5.1/x86_64-SunOS-core2-sun-ld/lib/amd64:/usr/local/gcc-4.5.1/x86_64-SunOS-core2-sun-ld/lib"
export SAGE_FORTRAN="/usr/local/gcc-4.5.1/x86_64-SunOS-core2-sun-ld/bin/gfortran"
export SAGE_FORTRAN_LIB="/usr/local/gcc-4.5.1/x86_64-SunOS-core2-sun-ld/lib/libgfortran.so"
}}}
(The PATH includes {{{/home/palmieri/fulvia/bin}}} to make sure that GNU tar is present and first in the path.) You might also want to do
{{{
export MAKE='make -j2' (or 'make -j3' or 'make -j4'?)
export SAGE_PARALLEL_SPKG_BUILD=yes
}}}

If you want to try a 64-bit build, then in addition to the above, set

{{{
export SAGE64='yes'
export SAGE_FORTRAN_LIB="/usr/local/gcc-4.5.1/x86_64-SunOS-core2-sun-ld/lib/amd64/libgfortran.so"
}}}
and continue as above. (The second setting replaces the earlier 32-bit setting.) As of this writing, the build will certainly fail when building R. You can bypass this by touching the file {{{SAGE_ROOT/spkg/installed/r-2.10.1.p2}}} and then restarting the build. (This issue is being tracked at http://trac.sagemath.org/sage_trac/ticket/9040.) However, whilst it's possible to create a 64-bit version of Sage, it will fail to run properly, and will almost certainly crash either at startup, or whenever one tries to do something non-trivial. Some, and possibly all of the problems are caused by libraries having text relocations. These include

 * Cliquer http://trac.sagemath.org/sage_trac/ticket/9833 & http://trac.sagemath.org/sage_trac/ticket/9871
 * ECL http://trac.sagemath.org/sage_trac/ticket/9840
 * Maxima http://trac.sagemath.org/sage_trac/ticket/9099 (almost certainly caused by ECL's text relocations).
 * PolyBoRi http://trac.sagemath.org/sage_trac/ticket/9872

== Iras ==

----
basic info
{{{
uname -a: Linux iras 2.6.16.46-0.12-default #1 SMP Thu May 17 14:00:09 UTC 2007 ia64 ia64 ia64 GNU/Linux
}}}
----
OS/system info
{{{
/etc/*-release: LSB_VERSION="core-2.0-noarch:core-3.0-noarch:core-2.0-ia64:core-3.0-ia64"
/etc/issue: '\r'Welcome to SUSE Linux Enterprise Server 10 SP1 (ia64) - Kernel \r (\l).'\r''\r''\r'
version: Linux version 2.6.16.46-0.12-default (geeko@buildhost) (gcc version 4.1.2 20070115 (prerelease) (SUSE Linux)) #1 SMP Thu May 17 14:00:09 UTC 2007
OS bitlength: 64-bit
}}}
----
CPU info
{{{
vendor: GenuineIntel
family: 32
arch: IA-64
CPU Count: 2
cores per cpu: 2
total number of threads: 4
64-bit capable: yes (IA-64)
}}}
----
memory info
{{{
MemTotal: 3998256 kB
MemFree: 1549984 kB
SwapCached: 0 kB
SwapTotal: 2097120 kB
SwapFree: 2096592 kB
}}}
----
misc info
{{{
gcc (GCC) 4.5.0
}}}

== Lena ==

----
basic info
{{{
uname -a: Linux lena 2.6.32.12-115.fc12.x86_64 #1 SMP Fri Apr 30 19:46:25 UTC 2010 x86_64 x86_64 x86_64 GNU/Linux
}}}
----
OS/system info
{{{
/etc/*-release: not found! (This is generally not a problem.)
/etc/issue: Fedora release 12 (Constantine)'\r'Kernel \r on an \m (\l)'\r''\r'
version: Linux version 2.6.32.12-115.fc12.x86_64 ([email protected]) (gcc version 4.4.3 20100127 (Red Hat 4.4.3-4) (GCC) ) #1 SMP Fri Apr 30 19:46:25 UTC 2010
OS bitlength: 64-bit
}}}
----
CPU info
{{{
model name: AMD Phenom(tm) II X4 940 Processor
CPU Count: 1
cores per cpu: 4
total number of threads: 4
64-bit capable: yes (long-mode)
}}}
----
memory info
{{{
MemTotal: 16340044 kB
MemFree: 1629512 kB
SwapCached: 0 kB
SwapTotal: 18350072 kB
SwapFree: 18350072 kB
}}}
----
misc info
{{{
gcc (GCC) 4.5.0
}}}

== Mark ==

{{{
uname -a: SunOS mark 5.10 Generic_127111-01 sun4u sparc SUNW,Sun-Blade-2500
cat /etc/release: Solaris 10 1/06 s10s_u1wos_19a SPARC
CPU count: 2 physical CPUs (according to /usr/sbin/psrinfo -p)
2 threads (according to /usr/sbin/psrinfo)
/usr/sbin/psrinfo -v: The sparcv9 processor operates at 1280 MHz, and has a sparcv9 floating point processor.
/usr/sbin/prtconf | grep Memory: Memory size: 4096 Megabytes
}}}

As of version 4.5.2.rc1, Sage should build on mark without trouble (although it takes a long time). For this to work, you need to set the following environment variables:
{{{
export PATH=/usr/local/gcc-4.5.1/sparc-SunOS-ultrasparc3-sun-as-ld/bin:$PATH

export LD_LIBRARY_PATH=/usr/local/gcc-4.5.1/sparc-SunOS-ultrasparc3-sun-as-ld/lib:/usr/local/gcc-4.5.1/sparc-SunOS-ultrasparc3-sun-as-ld/lib/sparcv9:/usr/local/flex-2.5.35/sparc-SunOS-ultrasparc3-gcc-4.4.3/lib

export SAGE_FORTRAN=/usr/local/gcc-4.5.1/sparc-SunOS-ultrasparc3-sun-as-ld/bin/gfortran

export SAGE_FORTRAN_LIB=/usr/local/gcc-4.5.1/sparc-SunOS-ultrasparc3-sun-as-ld/lib/libgfortran.so
}}}

If you want to try a 64-bit build, then in addition to the above, set

{{{
export SAGE64='yes'
export SAGE_FORTRAN_LIB="/usr/local/gcc-4.5.1/sparc-SunOS-ultrasparc3-sun-as-ld/lib/sparcv9/libgfortran.so"
}}}
and continue as above. (The second setting replaces the earlier 32-bit setting.) As of this writing (13th September 2010). it is possible to build a 64-bit version of Sage on SPARC systems. which is able to do some computations, but the resulting build is very unstable. The instability is at leasat in part due to the problems described above for 'fulvia', in that some of the libraries have text relocations.

== Mark2 ==

{{{
same as "mark"
}}}

== Sextus ==

----
basic info
{{{
uname -a: Linux sextus 2.6.32.12-115.fc12.x86_64 #1 SMP Fri Apr 30 19:46:25 UTC 2010 x86_64 x86_64 x86_64 GNU/Linux
}}}
----
OS/system info
{{{
/etc/*-release: not found! (This is generally not a problem.)
/etc/issue: Fedora release 12 (Constantine)'\r'Kernel \r on an \m (\l)'\r''\r'
version: Linux version 2.6.32.12-115.fc12.x86_64 ([email protected]) (gcc version 4.4.3 20100127 (Red Hat 4.4.3-4) (GCC) ) #1 SMP Fri Apr 30 19:46:25 UTC 2010
OS bitlength: 64-bit
}}}
----
CPU info
{{{
model name: Intel(R) Xeon(TM) CPU 3.60GHz
CPU Count: 1
cores per cpu: 1
total number of threads: 2
64-bit capable: yes (long-mode)
}}}
----
memory info
{{{
MemTotal: 1022612 kB
MemFree: 617012 kB
SwapCached: 3752 kB
SwapTotal: 16777208 kB
SwapFree: 16764052 kB
}}}
----
misc info
{{{
gcc (GCC) 4.5.0
}}}

== Silius ==

{{{
> date
Fri Aug 19 19:32:36 GMT 2011
> uname -a
Linux silius 2.6.32.43-0.4-ppc64 #1 SMP 2011-07-14 14:47:44 +0200 ppc64 ppc64 ppc64 GNU/Linux
> cat /etc/issue
Welcome to SUSE Linux Enterprise Server 11 SP1 (ppc64) - Kernel \r (\l).
> cat /proc/cpuinfo
processor : 0
cpu : POWER7 (architected), altivec supported
clock : 3000.000000MHz
revision : 2.1 (pvr 003f 0201)

processor : 4
cpu : POWER7 (architected), altivec supported
clock : 3000.000000MHz
revision : 2.1 (pvr 003f 0201)
...
processor : 60
cpu : POWER7 (architected), altivec supported
clock : 3000.000000MHz
revision : 2.1 (pvr 003f 0201)

timebase : 512000000
platform : pSeries
model : IBM,8233-E8B
machine : CHRP IBM,8233-E8B


> free
             total used free shared buffers cached
Mem: 32211328 22843008 9368320 0 369280 17518592
-/+ buffers/cache: 4955136 27256192
Swap: 2104320 0 2104320

}}}


== Taurus ==

----
basic info
{{{
uname -a: Linux taurus 2.6.32.12-115.fc12.x86_64 #1 SMP Fri Apr 30 19:46:25 UTC 2010 x86_64 x86_64 x86_64 GNU/Linux
}}}
----
OS/system info
{{{
/etc/*-release: not found! (This is generally not a problem.)
/etc/issue: Fedora release 12 (Constantine)'\r'Kernel \r on an \m (\l)'\r''\r'
version: Linux version 2.6.32.12-115.fc12.x86_64 ([email protected]) (gcc version 4.4.3 20100127 (Red Hat 4.4.3-4) (GCC) ) #1 SMP Fri Apr 30 19:46:25 UTC 2010
OS bitlength: 64-bit
}}}
----
CPU info
{{{
model name: Intel(R) Xeon(R) CPU X5570 @ 2.93GHz
CPU Count: 2
cores per cpu: 4
total number of threads: 16
64-bit capable: yes (long-mode)
}}}
----
memory info
{{{
MemTotal: 12318660 kB
MemFree: 3820936 kB
SwapCached: 14372 kB
SwapTotal: 14417912 kB
SwapFree: 14377820 kB
}}}
----
misc info
{{{
gcc (GCC) 4.5.0
}}}

== Some completely unreliable timings ==

Here is how long it took to build Sage 4.5.2.alpha1 (not including the documentation) on the various skynet machines. These were all built with SAGE_PARALLEL_SPKG_BUILD set to 'yes' and MAKE='make -jN', with N replaced by the number of cores on the machine in question.

|| cicero || 332 minutes ||
|| cleo || 186 minutes ||
|| eno || 46 minutes ||
|| flavius || 128 minutes ||
|| fulvia || This needs to be measured ||
|| iras || 190 minutes ||
|| lena || 53 minutes ||
|| mark || > 8 hours ||
|| sextus || 195 minutes ||
|| taurus || 36 minutes ||