[Numpy-discussion] Built Lapack, Atlas from source.... now numpy.linalg.eig() hangs at 100% CPU

[Charles R Harris]

2009/3/28 Chris Colbert <sccolbert@gmail.com>

> this is really, really, half of numpy.linalg works, the other half doesn't.
>
>
> working functions:
>
> cholesky
> det
> inv
> norm
> solve
>
> non-working functions (they all hang at 100% cpu):
>
> eig
> eigh
> eigvals
> eigvalsh
> pinv
> lstsq
> svd
>
>
>
> I must be a total n00b to be the only person running into this problem :)
>
> Cheers,
>

What does your lapack make.inc file look like? Here is what I used on 64 bit
Hardy back when.

####################################################################
#  LAPACK make include file.                                       #
#  LAPACK, Version 3.1.1                                           #
#  February 2007                                                   #
####################################################################
#
# See the INSTALL/ directory for more examples.
#
SHELL = /bin/sh
#
#  The machine (platform) identifier to append to the library names
#
PLAT = _LINUX
#
#  Modify the FORTRAN and OPTS definitions to refer to the
#  compiler and desired compiler options for your machine.  NOOPT
#  refers to the compiler options desired when NO OPTIMIZATION is
#  selected.  Define LOADER and LOADOPTS to refer to the loader and
#  desired load options for your machine.
#
FORTRAN  = gfortran
OPTS     = -funroll-all-loops -O3 -fPIC
DRVOPTS  = $(OPTS)
NOOPT    = -fPIC
LOADER   = gfortran
LOADOPTS =
#
# Timer for the SECOND and DSECND routines
#
# Default : SECOND and DSECND will use a call to the EXTERNAL FUNCTION ETIME
# TIMER    = EXT_ETIME
# For RS6K : SECOND and DSECND will use a call to the EXTERNAL FUNCTION
ETIME_
# TIMER    = EXT_ETIME_
# For gfortran compiler: SECOND and DSECND will use a call to the INTERNAL
FUNCTION ETIME
TIMER    = INT_ETIME
# If your Fortran compiler does not provide etime (like Nag Fortran
Compiler, etc...)
# SECOND and DSECND will use a call to the INTERNAL FUNCTION CPU_TIME
# TIMER    = INT_CPU_TIME
# If neither of this works...you can use the NONE value... In that case,
SECOND and DSECND will always return 0
# TIMER     = NONE
#
#  The archiver and the flag(s) to use when building archive (library)
#  If you system has no ranlib, set RANLIB = echo.
#
ARCH     = ar
ARCHFLAGS= cr
RANLIB   = ranlib
#
#  The location of the libraries to which you will link.  (The
#  machine-specific, optimized BLAS library should be used whenever
#  possible.)
#
BLASLIB      = ../../blas$(PLAT).a
LAPACKLIB    = lapack$(PLAT).a
TMGLIB       = tmglib$(PLAT).a
EIGSRCLIB    = eigsrc$(PLAT).a
LINSRCLIB    = linsrc$(PLAT).a

Chuck
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