Thanks Jed. After configuring using this, how can I turn on the debugging option when I compile the code?
On Dec 18, 2013, at 5:16 PM, Jed Brown <[email protected]> wrote: > Gavin Ge <[email protected]> writes: > >> Hi All: >> >> Hope everyone enjoy a nice holiday. I just got a problem with matsetvalues >> function when I mute the debugging option. A segmentation violation error >> jumps out when I set value for the very first element in the matrix. There >> is no problem for me to run the program when turning on the debugging >> option. I just want to tune this for better performance. Or is it better to >> turn on the debugging option? Could anybody help me with this? Thanks! > > Run in a debugger and get a stack trace. You can configure the > non-debug PETSC_ARCH with COPTFLAGS='-O0 -g' to ensure that debugging > symbols are available.
