Why there is performance problems with fortran application compiled on RHEL 6.5?

Solution In Progress - Updated -

Issue

  • After moving to RHEL 6.5 (from 5.x), fortran systems are behaving -much- slower than earlier.

Environment

  • Red Hat Enterprise Linux 6.5
  • gfortran-4.4.7
  • libgfortran-4.4.7-4

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