Messages in this thread | | | Subject | Re: Wanted: Secure-delete utility for Linux | Date | Wed, 23 Dec 1998 22:46:11 -0400 | From | Horst von Brand <> |
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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, Viña del Mar, Chile +56 32 672616
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