Memory debugging

This section provides troubleshooting information about memory debugging.

• The View Pointer Details window says a pointer is valid but does not show you which line of code it was allocated on
• mprotect fails error when using memory debugging with guard pages
  • Solution
• Allocations made before or during MPI_Init show up in Current Memory Usage but have no associated stack back trace
• Deadlock when calling printf or malloc from a signal handler
  • Solution
• Program runs more slowly with Memory Debugging enabled
  • Solution