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Very instructive.

In C++, it was faster not to attempt anything like that with temporary variables (I tried), but instead to just leave the duplicated values and let the optimizer do it for you. Plus, of course, function call overhead can be eliminated via inline functions and macros.

In Perl, on the other hand, the compiler must run very fast, and doesn't attempt many of the optimizations of a C++ compiler run at high optimization levels.


In reply to Re^2: High Performance Game of Life by eyepopslikeamosquito
in thread High Performance Game of Life by eyepopslikeamosquito

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