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SubjectRe: faster strcpy()
On Sun, 26 Apr 1998, Andrew Kieschnick wrote:

>
> 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.
>
It would be interesting to determine if it's due to a cache that isn't
a cache at all. On three machines here, all pentiums, strange is
slower.


Cheers,
Dick Johnson
***** FILE SYSTEM MODIFIED *****
Penguin : Linux version 2.1.92 on an i586 machine (66.15 BogoMips).
Warning : It's hard to remain at the trailing edge of technology.

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