Re: [Help-gsl] x8664 cflags blas/lapack lnking

[John Chludzinski]

Are you targeting Windows or Linux/Unix?  If Windows, MinGW or VC++?  If
Window+MinGW, why not download the binaries and avoid the pain of compiling?


http://ascendwiki.cheme.cmu.edu/Binary_installer_for_GSL-1.13_on_MinGW

---John

On Thu, Jan 6, 2011 at 6:20 PM, luxInteg <address@hidden> wrote:

> Greetings
>
> I am planning on having a go at compiling   gsl  The machine has these:-
>
> ---cpu -amd64 2 cores
> ---os -64-bit cblfs linux with gcc-4.4.2
> ---blas:- atlas3.9.32 and lapack-3.2.2
>
> i did a trial run  compiling gls-1.14.  I noticed  lines like these
> "libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -I.. -O3 - ........
>  -MT sasum.lo -MD -MP -MF .deps/sasum.Tpo -c sasum.c " in the compiler
> output.
>
> I have compiled atlas3.9.(23-32)    and the corresponding  output from
> atlas
> for cblas seems to have more compiler optimisation
> see below for the same  file  "sasum.c" in the cblas part of the
>  application.
>
>
>
>
>
> -DAdd_
> -DF77_INTEGER=int
> -DStringSunStyle
> -DATL_OS_Linux
> -DATL_ARCH_AMD64K10h
> -DATL_CPUMHZ=2800
> -DATL_SSE3
> -DATL_SSE2
> -DATL_SSE1
> -DATL_3DNow
> -DATL_USE64BITS
> -DATL_GAS_x8664
> -DPentiumCPS=2900
> -DATL_DYLIBS
> -DATL_FULL_LAPACK
> -DATL_NCPU=2
> -fomit-frame-pointer
> -mfpmath=sse
> -msse3
> -O2
> -falign-loops=32
> -fPIC -m64 -fPIC -DATL_USEPTHREADS
>
>
> I would like to know
> a) if there   ae recommended cflags for compiling gsl(-1.14)
> b) recommended procedures if any for linking to lapack and atlas libraries
> c) recommended  procedures of linking to   blas and threaded blas  (I have
> libcblas/libptcblas and libf77blas/libptf77blas.
>
> thanks in advance.
>
> sincerely
> lux-integ
>
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