From: terra AT diku DOT dk (Morten Welinder) Newsgroups: comp.os.msdos.djgpp Subject: Re: GNU qsort() Date: 30 Apr 1998 04:07:47 +0200 Organization: Department of Computer Science, U of Copenhagen Lines: 22 Sender: terra AT tyr DOT diku DOT dk Message-ID: <6i8mdj$4op@tyr.diku.dk> References: <63bde56d DOT 3547cc6c AT aol DOT com> NNTP-Posting-Host: tyr.diku.dk To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Precedence: bulk Kbwms writes: >It occurred to me this evening that the sort statistics for >fqsort on the same sort targets that I sent for GNU qsort() >might be of interest. Data from separate runs is appended. >Here is a recap: > Items Comparisons Exchanges > ----- ----------- --------- > 10000 15005 2503 > 20000 30005 5003 > 50000 75005 12503 >100000 150005 25003 (0.109890 Seconds) I don't believe these numbers unless it's some strange sequence of numbers you are sorting. To vit: with 25003 exchanges, you can at most move 50006 elements to their places. The remaining 49994 elements must have been in the right place to being with. What am I missing? Morten