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IBM developerWorks: High-performance programming techniques on Linux and Windows 2000

May 02, 2001, 22:37 (14 Talkback[s])
(Other stories by Edward G. Bradford)

Claus Sørensen, Chairman of KLID writes:

IBM has tested the speed of C++ routines to be used for measuring speed of programs on Linux and Windows 2000.

It is the system API calls GetTimeOfDay in Linux and QueryPerformanceCounter() in Windows 2000.

Red Hat Linux 7.0 with kernel 2.2.16 gives 0.740 usec, kernel 2.4.2 gives 0.729usec.

Microsoft Windows gives 1.945 usec or more than 2.5 times slower than Linux.

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