Re: [Help-gsl] ode version and compilers

[Gideon Simpson]

The flags are standard on all machines:

CFLAGS = -g -O2
GSL_CFLAGS = -I${prefix}/include
        -e 's|@address@hidden|$(GSL_CFLAGS)|g' \

I did not do any tweaks with ./configure

-gideon

On Oct 30, 2013, at 10:03 AM, Rhys Ulerich <address@hidden> wrote:

>> Is anyone aware of a substantial performance difference in GSL when it's 
>> compiled with different GCC's?
> 
> It would depend on the use case, but I'll admit I've never measured it.
> 
> As a first check, what does 'grep CFLAGS Makefile' tell you about the
> CFLAGS in use on each system?  I'm wondering if there's just a basic
> optimization level difference at work.
> 
> - Rhys