Re: Microbenchmarks

[10.50%free.fr@localhost]

Selon Andrew Doran <ad%netbsd.org@localhost>:

> Hi,
>
> I thought I'd post this because it makes for interesting reading. It's the
> output of Sun's libmicro, comparing these systems in (mostly) default
> configurations: NetBSD-current, NetBSD 4.0, Fedora Core 9, FreeBSD 7.
> The output and libmicro's home page:
>
>       http://www.netbsd.org/~ad/libmicro.html
>       http://www.opensolaris.org/os/project/libmicro/
>
> Some tests are not included because they don't work properly on !Solaris
> yet, couldn't complete because of resource limits (NetBSD 4) or crashed the
> machine (not NetBSD). I made sure that the BSD systems were using the cpu's
> cycle counter for clock, I think Linux already does that.

Could you be a bit more specific on this? Particulary what still needs
improvement and why we have got a so wonderful result on malloc (is it a
property of the new jmalloc that it doesn't scale up CPU time in o(calls) but in
o(1) or so ?)

Thanks
Vincent