Re: Wanted: Secure-delete utility for Linux

Horst von Brand (vonbrand@sleipnir.valparaiso.cl)
Wed, 23 Dec 1998 22:46:11 -0400


Thomas Kunert <kunert@physik.tu-dresden.de> said:

[...]

> 2.5 GB/s, that is 8 Bytes/clockcycle or 2 loops/clockcycle, each loop
> consisting of calculation and fwrite-syscall.
> Processors can do a _lot_ in one clockcycle nowadays:)

This here is one multiplication, one add, one syscall, one jump for 4
bytes; so you are saying the machine is able to do two syscalls + change in
a clockcycle?! I think Linus will be pretty pleased by that level of
performance from the kernel ;-)

-- 
Horst von Brand                             vonbrand@sleipnir.valparaiso.cl
Casilla 9G, Viņa del Mar, Chile                               +56 32 672616

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