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Changes between Version 5 and Version 6 of compiling


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Timestamp:
Jun 2, 2009, 3:52:42 PM (15 years ago)
Author:
jweil
Comment:

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  • compiling

    v5 v6  
    4949
    5050This sets the level for floating point exceptions, which can be 0-3, where FPE=3 means none and FPE=0 means all. FPE=3 is the default. This flag is only supported with ifort and gfortran.
     51
     52
     53== Parallel Make ==
     54
     55If you have a multi-core machine, you can speed up the compilation process by specifying the number of cores that are available on your system. E.g. on a quad-code machine you could do
     56
     57{{{
     58make -j4
     59}}}
     60
     61This can potentially be up to four times faster than the standard single-threaded make ("-j1"), since four files can be compiled in parallel.