Hi,
I have been trying to understand the performance of a simple test
programs using both floats and doubles and was hoping that someone on this
list could help give some insight. Basically I have a small program that
does some simple floating point math using random numbers using floats or
doubles in a loop. I use clock() to time the loop so that I can compare
the speed with floats and doubles. With no optimization things are as
expected - doubles take quite a bit longer. With '-O3 -march=i686' the
time is exactly the same. This is on a celeron 366. Any ideas?
Karl
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| Karl W. MacMillan |
| Computer Music Department |
| Peabody Institute of the Johns Hopkins University |
| [EMAIL PROTECTED] |
| www.peabody.jhu.edu/~karlmac |
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