Some FreeBSD performance Issues

[Adrian Chadd]

On 12/11/2007, Randall Hyde <randyhyde at earthlink.net> wrote:

> At this point I'm not sure why FreeBSD's API call is so slow (btw, it's not
> the system call that's responsible, if I make several additional API calls
> on each read, e.g., doing lseeks, this has only a marginal impact on
> performance). But it's pretty clear that if I expect reasonable performance
> in my own library I'm going to have to do the same thing that glib does and
> switch over to buffered I/O.  Pain in the butt, but there's nothing else to
> do at this point.

Why give up at this point? Why not actually do some pmcstat profiling
to see where all the CPU time is going?


Adrian


-- 
Adrian Chadd - adrian at freebsd.org