>> I have run a very trivial program called loops.c:
OT> Which measures only floating point performance (and doesn't count
OT> if anything else runs on that box, to get meaningful results run
OT> it in single user mode).
This measures only the performance of the empty loop, ;-) because the
-O2 option simply removes the assignment statement (with evaluation of
sine) from the loop, as x is not referenced outside the loop:
while(i++ < MAXLOOPS) {
x = sin(x/(i+1));
}
Best regards, -- Vladimir.
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