[petsc-dev] [petsc-maint #69143] petsc-dev performance issues

[Barry Smith]

On Apr 5, 2011, at 8:56 AM, Satish Balay wrote:

> On Tue, 5 Apr 2011, Dmitry Karpeev wrote:
> 
>> Okay, but what's going on with petsc-3.1 on that machine?  It doesn't fail.
>> Is that because dlsym(0,string) works?
>> Or was dynamic loading disabled in it?
> 
> --with-dynamic=0 is usually the default buid.
> 
> petsc-3.1 never did dlopen()/dlsym() for this case - but petsc-dev
> does do dlopen()/dlsym() even with --with-dynamic=0 for basic ex2
> example code - hece it crashes.

   Yes, but the crash is only due to incomplete checking of functionality in configure before using it, not due to a bad model of how things should be one.

   Barry

> 
> Satish