performance - some details (and shellsort)

[Jeff Sturm]

Norman Hendrich wrote:
> > For the POSIX thread implementation the waiting is done via a
> > condition variable.  This shouldn't cause busy-waiting, but maybe it
> > does on Linux.  I haven't looked.
> 
> It seems that the libpthread I have at home is broken. Thanks again
> for your answer!

I didn't mention that I was using glibc 2.1... pthreads was still broken
in 2.0.  The implementations of condition variables and mutexes may have
changed; I don't really know.

--
Jeff Sturm
jsturm@sigma6.com