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15/01/2008, 03h18

# time ./a.out test.data

the output:

real 0m49.172s
user 0m5.638s
sys 0m4.850s

Why real time and user time have big difference? I've tried to change
a code: for example disable print() function, the real time and user
time closer. How to improve the real time in a program?

15/01/2008, 03h18	#1
cplusplusquestion@gmail.com Messages: n/a Hébergeur:	Program Running Time # time ./a.out test.data the output: real 0m49.172s user 0m5.638s sys 0m4.850s Why real time and user time have big difference? I've tried to change a code: for example disable print() function, the real time and user time closer. How to improve the real time in a program?