Re: faster strcpy()

Andrew Kieschnick (andrewk@mail.utexas.edu)
Sun, 26 Apr 1998 20:49:36 -0500 (CDT)


On Sun, 26 Apr 1998, Richard B. Johnson wrote:

> # echo Note that normal strcpy copies about twice as many strings in
> Note that normal strcpy copies about twice as many strings in
> # echo one second as does strlen + memcpy.
> one second as does strlen + memcpy.

On ppro and pII, yes - normal copies 2x as many as strange.
On pentium, K5, and K6, no - strange copies 1.3x - 1.6x as many as normal.

I used the same binary on all of them, compiled with gcc 2.7.2.3, linked
against glibc-2.0.6.

later,
Andrew Kieschnick

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