[SOLVED] Time of mathematic operation

sumegha13 · 09-19-2013, 09:12 AM

How to find time of mathematic operation in linux??? and NS2 ?
ex:
char a[12]="72bfvmdn";
char b[23]="mfsjh"
char c[45]="";

how to find time of the below operation:
c[45]=a^b(XOR) operation

linosaurusroot · 09-19-2013, 11:01 AM

Normally for short code fragments I'd suggest:
gcc -S to get assembly code
look up each item of assembly code to discover the number of clock cycles
correct for any pipelining
convert cycles to time using the CPU speed

but in this case check for bugs in the code first.

knudfl · 09-19-2013, 11:33 AM

# 11 . http://www.linuxquestions.org/questi...-a-4175476162/

http://en.wikipedia.org/wiki/Equation_of_time
""The equation of time describes the discrepancy
between two kinds of solar time.""

Probably not what you mean.
Please use some other words to describe what it is you want.
May be use an example ..

EDIT : Seems the question was changed.
And the original "#11" was moved to a new thread.

-