Re: [Help-gsl] GSL on OSX: Optimal compilation and linking to Fortran

[Brian Gough]

Stephen Cornell writes:
 > Are there obvious things to add to CFLAGS (see above) when compiling 
 > GSL to get the required performance boost?  Would I get a huge 
 > improvement if I compiled GSL with the IBM XLC compiler, for which I 
 > don't currently have a license?  Is the problem unavoidable, given that 
 > I'm linking C code to Fortran code?  Are the GSL routines just much 
 > more careful, and therefore slower?

Hello,

The bottom-line here is that you would need to profile the executable
on your system to see what parts of the program are dominating the
runtime.

-- 
best regards 

Brian Gough

Network Theory Ltd,
Commercial support for GSL --- http://www.network-theory.co.uk/gsl/