Mark, On 9/29/06 2:59 PM, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote:
> Here are results over 64 Mbytes of memory, to ensure that every call is > a cache miss: On my Mac OSX intel laptop (Core Duo, 2.16 GHz, 2GB RAM, gcc 4.01): Luke-Lonergans-Computer:~/strNcpy-perf-test lukelonergan$ gcc -O3 -std=c99 -DSTRING='"This is a very long sentence that is expected to be very slow."' -DN="(1024*1024)" -o x x.c y.c strlcpy.c ; ./x /usr/bin/ld: warning multiple definitions of symbol _strlcpy /var/tmp//cc1eMVq7.o definition of _strlcpy in section (__TEXT,__text) /usr/lib/gcc/i686-apple-darwin8/4.0.1/../../../libSystem.dylib(strlcpy.So) definition of _strlcpy NONE: 416677 us MEMCPY: 5649587 us STRNCPY: 5806591 us STRLCPY: 12865010 us LENCPY: 17801485 us Luke-Lonergans-Computer:~/strNcpy-perf-test lukelonergan$ gcc -O3 -std=c99 -DSTRING='"Short sentence."' -DN="(1024*1024)" -o x x.c y.c strlcpy.c ; ./x /usr/bin/ld: warning multiple definitions of symbol _strlcpy /var/tmp//ccOZl9R6.o definition of _strlcpy in section (__TEXT,__text) /usr/lib/gcc/i686-apple-darwin8/4.0.1/../../../libSystem.dylib(strlcpy.So) definition of _strlcpy NONE: 416652 us MEMCPY: 5830540 us STRNCPY: 6207594 us STRLCPY: 5582607 us LENCPY: 7887703 us Luke-Lonergans-Computer:~/strNcpy-perf-test lukelonergan$ gcc -O3 -std=c99 -DSTRING='""' -DN="(1024*1024)" -o x x.c y.c strlcpy.c ; ./x /usr/bin/ld: warning multiple definitions of symbol _strlcpy /var/tmp//ccBUsIdR.o definition of _strlcpy in section (__TEXT,__text) /usr/lib/gcc/i686-apple-darwin8/4.0.1/../../../libSystem.dylib(strlcpy.So) definition of _strlcpy NONE: 417210 us MEMCPY: 5506346 us STRNCPY: 5769302 us STRLCPY: 5424234 us LENCPY: 5609338 us - Luke ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings
