Modern Fortran: Glossary

Fortran is one of the oldest programming languages still in active use

Many important scientific codes are written in Fortran

Fortran is a Programming Language especially suited to High-Performance numeric computation

Fortran has evolved over the years adding and removing features to accommodate the evolution of scientific computing

Fortran is a very expressive language when dealing with arrays

Using Fortran modules facilitate the creation of large software projects

Avoid old Fortran 77 style even if correct the code looks better if you use Modern Fortran

Use OpenMP for multiple cores, OpenACC and CUDA Fortran for GPUs and MPI for distributed computing.

OpenMP is a directive-based approach for parallelization.

OpenACC is another directive-base model for parallel programming.

OpenACC is similar to OpenMP but take advantage of accelerators such as GPUs

CUDA Fortran is a direct approach for controlling GPUs for numerical processing

MPI is a distributed programming model

Collective operations are usually more efficient than point-to-point messages