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Time needed for floating point vs fixed point operations

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Eugen_E

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Hello,

Do you know a table/ classification/ benchmark used to determine the time needed to multiply in fixed point vs floating point for CPUs starting with Pentium 2 to Pentium 4 and AMD. Also the time needed to compute sin and cos in floating point, to determine if it would be better to use a look up table and series expansion computation.


Thanks
 

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