From: Chad Perrin <perrin@...>
Date: 2006-07-27T10:07:00+09:00
Subject: Re: For performance, write it in C

On Thu, Jul 27, 2006 at 09:26:45AM +0900, David Pollak wrote:
> On 7/26/06, Chad Perrin <perrin@apotheon.com> wrote:
> >On Thu, Jul 27, 2006 at 12:42:46AM +0900, David Pollak wrote:
> >
> >
> >>
> >> There are some applications that will never perform as in Java (e.g.,
> >> stuff that's heavily oriented to bit manipulation.)  But for many
> >> classes of applications (e.g., spreadsheets) Java can perform as well
> >> as C.
> >
> >Is that heavily optimized Java vs. "normal" (untweaked) C?
> 
> No.  That's heavily optimized Java vs. heavily optimized C.  I spent a
> fair amount of time chatting with the Excel team a while back.  They
> cared as much about performance as I did.  They spent a lot more time
> and money optimizing Excel than I did with Integer.  They had far more
> in terms of tools and access to compiler tools than I did (although
> Sun was very helpful to me.)

Excel isn't a very good point of comparison for C.  For one thing, it's
not C -- it's C++.  For another, it has a pretty bad case of featuritis.

-- 
CCD CopyWrite Chad Perrin [ http://ccd.apotheon.org ]
Brian K. Reid: "In computer science, we stand on each other's feet."