Mailinglist Archive: opensuse (4570 mails)

[Jerry Feldman <gaf@xxxxxxx>]

On Sun, 13 Nov 2005 02:01:28 +0100
Anders Johansson <andjoh@xxxxxxxxxx> wrote:

> On Sunday 13 November 2005 01:34, Randall R Schulz wrote:
> > I'd think you'd not be given to folklore about program efficiency.
> > Static compilation to native code as gcj (or conventional C++) does it
> > is _not_ the best way to optimize performance. Java's so-called JIT
> > (it's really on-demand) native code compilation has optimization
> > opportunities not available when only static program analysis is
> > possible.
> 
> Well, gcc has more to offer than just static compilation, although the new 
> stuff isn't really ready yet. But the profiling that you can do in later 
> versions of gcc has a lot of the same characteristics as JIT
There are other compilers who do much more aggressive optimizations,
such as inter-procedure optimizations or dynamic optimizations. 

-- 
Jerry Feldman <gaf@xxxxxxx>
Boston Linux and Unix user group
http://www.blu.org PGP key id:C5061EA9
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