Stas Bekman wrote:
> > The perl shipped with RH 9 (actually a 5.8.0 + lots of patches)
> > is compiled with threads and with a shared libperl.so, two factors that
> > are known to slow things down. I think that 5.8.0 is slower than 5.6.x,
> > but not considerably. However I have no definitive numbers either.
> 
> I know about the threads issue. But it's a first time I hear about a shared 
> libperl.so. Is it relevant to mod_perl? It gets loaded at the server startup 
> and I think produces no overhead at run-time. Or does it? Is it about 
> resolving symbols at run-time vs. PERL_DL_NONLAZY=1, which doesn't happen in 
> the static library?

For discussion about this, see the INSTALL file, section "Building a shared
Perl library". You're right, maybe this doesn't impact mod_perl.

PERL_DL_NONLAZY is only for XS modules (AFAIK).

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