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- W1570632537 abstract "We investigate the relative efficiency of C++ and C code versus FORTRAN 77 code through numerical experiments conducted on a range of computer platforms. The problem areas cover basic linear algebra and finite element solution of porous media fluid flow and species transport problems. The C++ codes are short and make extensive use of Diffpack, a generic library based on object-oriented programming techniques, while the FORTRAN and C programs are either based on vendor supplied numerical libraries or written and tuned particularly for the test problem. Challenges encountered in optimizing C++ codes and the efficiency of dynamic memory handling in C++ are also addressed. Differences in computational efficiency observed for the problem areas studied were small, and tended to be problem dependent. Based on our experience with optimizing C++ code, we conclude that the use of object-oriented techniques should be confined to high-level administrative tasks, while CPU intensive numerics should be implemented using low-level C code and carefully constructed for-loops." @default.
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- W1570632537 date "1997-01-01" @default.
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- W1570632537 title "On the Numerical Efficiency of C++ in Scientific Computing" @default.
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- W1570632537 doi "https://doi.org/10.1007/978-1-4612-1984-2_5" @default.
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