Subject: Re: NetBSD ld.elf_so vs FreeBSD vs Linux
To: Charles M. Hannum <>
From: Bang Jun-Young <>
List: tech-userlevel
Date: 09/26/2002 21:55:46
On Thu, Sep 26, 2002 at 12:22:18PM +0000, Charles M. Hannum wrote:
> > In spite of performance improvements made recently, our ld.elf_so
> > was slowest among them. Loading time of statically linked binary was
> > also slowest with NetBSD.
> If I were to hazard a guess, I'd say you have the causality wrong
> here.  The fact that static executable startup is slower is likely a
> kernel issue that will also affect (possibly even worse) dynamic
> executables.

Maybe due to lack of memcpy/copyin optimized for recent x86 processors
in our kernel?


Bang Jun-Young <>