Which is the best Fortran compiler? We’re often asked that question, but there is no single answer. All compilers have strong and weak points, and your choice should depend on finding the best match between your requirements and a compiler’s strengths. To help our customers make an informed decision, we have compiled a series of charts comparing the main contenders. The charts cover the questions we are most frequently asked, but avoid subjective issues, such as stability, quality of support and documentation etc. Please contact us if you need further advice in coming to your decision.
The Version Numbers of the compilers used in these comparisons are listed in the Benchmark Tables.
Windows Compilers
- Features – What other tools are supplied with the compiler?
- Language – What extensions to standard Fortran do the compilers support?
- Diagnostic Capabilities – Can they spot programming errors?
- Fortran Execution Time Benchmarks (64-bit Windows 7 on ‘Sandy Bridge’ Intel Core i5 2500k) – 17 Fortran benchmarks
- Fortran Execution Time Benchmarks (64-bit Windows 7 on AMD Phenom II) – 17 Fortran benchmarks
Linux Compilers
- Features – What other tools are supplied with the compiler?
- Language – What extensions to standard Fortran do the compilers support?
- Diagnostic Capabilities – Can they spot programming errors?
- Fortran Execution Time Benchmarks (Linux64 on ‘Sandy Bridge’ Intel Core i5 2500k) – 17 Fortran benchmarks
- Fortran Execution Time Benchmarks (Linux64 on AMD Phenom II) – 17 Fortran benchmarks
We’d like to acknowledge the help of many people who have reviewed these tables at various stages in their construction, and made innumerable helpful comments, suggestions and corrections. Any remaining mistakes are, of course, entirely our responsibility; if you see any, please let us know, and we’ll do our best to correct them.
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