Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!oliveb!pyramid!ctnews!starfish!cdold
From: cdold@starfish.Convergent.COM (Clarence Dold)
Newsgroups: comp.lang.c
Subject: Re: Fortran computes cosine 300 times faster than C (on Sun3)
Message-ID: <965@starfish.Convergent.COM>
Date: 13 Mar 89 19:28:01 GMT
References: <688@friday.UUCP>
Distribution: na
Organization: Convergent Technologies, San Jose, CA
Lines: 15

From article <688@friday.UUCP>, by fritz@friday.UUCP (Fritz Whittington):
>>I chanced upon a segment of code that runs approximately 300 times faster in
>>FORTRAN than in C. I have tried the code on Sun3(OS3.5) and on Sun4(OS4.0)
   . . .
>>    for(i=0;i<262144;i++)
>>	tmp=cos(2.5)*cos(2.5)*cos(2.5)*cos(2.5);
   . . .
What about a Floating Point Chip?
Is Fortran configured to use the FPU by default, while the C compiler
uses software floating point?

-- 
Clarence A Dold - cdold@starfish.Convergent.COM         (408) 434-2083
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