On Saturday, September 13, 2003, at 10:48  AM, Matthias Buelow wrote:

> By enough a margin to keep that inelegant crude hack in the API?
> I mean, it was a workaround for a CPU bug -- the disability of
> COW on a certain VAX CPU due to microcode errors, not a great
> achievement in itself!  I'm quite amazed that it went back in,
> when some people earlier already had the foresight to eliminate
> such crude (and by now most likely unnecessary) workarounds.

Uh, it's a significant performance boost even on modern hardware for 
the types of applications where it is intended to be used.

         -- Jason R. Thorpe <thorpej@wasabisystems.com>