Re: Using pread

[Eli Zaretskii]

> Date: Fri, 01 Feb 2013 12:34:27 +0400
> From: Dmitry Antipov <address@hidden>
> Cc: Emacs development discussions <address@hidden>
> 
> On 02/01/2013 12:18 PM, Paul Eggert wrote:
> 
> > A few systems lack pread (HP-UX 10, mingw, MSVC 9, BeOS)
> > but there's a gnulib module for it so the mainline Emacs
> > code should be able to assume pread.
> 
> IMHO it's worth using at least for some bits in fileio.c.

Any numbers to back that up?  IOW, in what sense is this an
"optimization"?