On Sat, Nov 17, 2001 at 01:49:43PM +0100, H.Merijn Brand wrote:
> On Sat 17 Nov 2001 01:05, Jarkko Hietaniemi <[EMAIL PROTECTED]> wrote:
> > On Fri, Nov 16, 2001 at 11:53:41PM +0000, Nicholas Clark wrote:
> > > On Sat, Nov 17, 2001 at 01:05:14AM +0200, Jarkko Hietaniemi wrote:
> > > > Never mind the above... the overall difference doesn't seem to be that
> > > > significant.  Yes, dropping the preservation speeds up arith, but not
> > > > by that much... then again, speeding up arith may help other parts.
> > > > Isn't benchmarking and tuning fun?  Wait for the numbers and make
> > > > your own guestimate.
> > > 
> > > As you say, swings and roundabouts
> > 
> > ...and questions like: why does dropping the preservation code speed
> > up wantarray() by 11%, but slows down regexes by about 5%... (in alpha) 
> 
> Still need hppa benches for that?

Yes, seeing the following comparisons

        32bit    5.6.1 vs 32bit    blead
        32bit    blead vs 64bitall blead
        32bit    blead vs 32bit    blead with -DNO_PERL_PRESERVE_IVUV
        64bitall blead vs 64bitall blead with -DNO_PERL_PRESERVE_IVUV

would be nice, at least the first two.

> Personally I'm all in favour of /documenting/ stability, and (also
> personally)

It's a behavioral guarantee for which I think we would need Larry's say-so.

-- 
$jhi++; # http://www.iki.fi/jhi/
        # There is this special biologist word we use for 'stable'.
        # It is 'dead'. -- Jack Cohen

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