Fortran computes cosine 300 times faster than C (on Sun3)

[Clarence Dold]

>From article <688 at friday.UUCP>, by fritz at 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?

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