Difference between revisions of "GNU Compiler 2016"
From HPC users
Jump to navigationJump to search
| Line 32: | Line 32: | ||
* performance of resulting C++ usually good | * performance of resulting C++ usually good | ||
* most open source software tested with GNU | * most open source software tested with GNU | ||
== Disadvantages == | == Disadvantages == | ||
* optimization of code is moderate: performance of C, Fortran code can be moderate | * optimization of code is moderate: performance of C, Fortran code can be moderate | ||
Revision as of 09:57, 17 February 2017
The GNU Compilers are available as module and as part of the operating system. To see the other available versions of the GNU Compilers type
module av gcc
which currently shows
---------- /cm/local/modulefiles ---------- gcc/6.1.0 ---------- /cm/shared/uniol/modules/compiler ---------- GCC/4.9.4-2.25 GCC/5.4.0-2.26 GCC/6.2.0-2.27 (D)
To load the module of your choice type e.g.
module load gcc/4.9.4-2.25
The commands for the available languages are:
| Name | Description |
|---|---|
| gcc | C compiler |
| g++ | C++ compiler |
| gfortran | Fortran compiler |
Advantages
- high availability, open source (free)
- new standards implemented
- fast compilation
- performance of resulting C++ usually good
- most open source software tested with GNU
Disadvantages
- optimization of code is moderate: performance of C, Fortran code can be moderate
