From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham
	autolearn_force=no version=3.4.4
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 103376,229a77b902096176
X-Google-Attributes: gid103376,public
X-Google-ArrivalTime: 2002-12-14 08:23:37 PST
Path: 
 archiver1.google.com!news2.google.com!news1.google.com!newsfeed.stanford.edu!syros.belnet.be!news.belnet.be!colt.net!kibo.news.demon.net!news.demon.co.uk!demon!not-for-mail
From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: fastest data structure
Date: 14 Dec 2002 16:23:11 +0000
Organization: Pushface
Sender: simon@smaug.pushface.org
Message-ID: <x7v65tw36z4.fsf@smaug.pushface.org>
References: <at5kmf$3ia$1@news-reader12.wanadoo.fr>
 <ScyJ9.313000$QZ.46513@sccrnsc02> <at7k2o$9fb$1@news-reader10.wanadoo.fr>
 <1aUJ9.318688$NH2.22572@sccrnsc01>
NNTP-Posting-Host: pogner.demon.co.uk
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
X-Trace: news.demon.co.uk 1039883013 25102 62.49.19.209 (14 Dec 2002 16:23:33
 GMT)
X-Complaints-To: abuse@demon.net
NNTP-Posting-Date: Sat, 14 Dec 2002 16:23:33 +0000 (UTC)
User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.1
Xref: archiver1.google.com comp.lang.ada:31813
Date: 2002-12-14T16:23:11+00:00
List-Id: <comp.lang.ada>

"SteveD" <nospam_steved94@attbi.com> writes:

>   Optimize only the parts of a system worth optimizing.  One of the
> old systems proverbs, the 90-10 rule, says: In a typical
> application, 90 percent of the total run time is devoted to
> executing only 10 percent of the code.

One problem with code generators (including compilers) is that you
tend to get distributed overhead. If you have a generic that is
instantiated in hundreds of places in your system, it's very hard to
see the inefficiencies using something like gprof.