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c++ Programming Glossary: start_time

C++ Array vs Vector performance test explanation [closed]

http://stackoverflow.com/questions/10887668/c-array-vs-vector-performance-test-explanation

struct timeval start struct timeval end string str double start_time end_time diff start_time start.tv_sec 1000 start.tv_usec 1000.0.. timeval end string str double start_time end_time diff start_time start.tv_sec 1000 start.tv_usec 1000.0 end_time end.tv_sec 1000.. end_time end.tv_sec 1000 end.tv_usec 1000.0 diff end_time start_time std cout str diff ms std endl EDIT As suggested in comments..

How to know calculate the execution time of an algorithm in c++?

http://stackoverflow.com/questions/1949752/how-to-know-calculate-the-execution-time-of-an-algorithm-in-c

time in milliseconds. Next do something like this int64 start_time GetTimeMs64 const int NUM_TIMES 100000 Choose this so it takes.. i Code you want to time.. double milliseconds GetTimeMs64 start_time double NUM_TIMES All done Note that I haven't tried to compile..

Porting clock_gettime to windows

http://stackoverflow.com/questions/5404277/porting-clock-gettime-to-windows

momemntics. #define BILLION 1000000000L struct timespec start_time struct timespec stop_time void start MyTestFunc Initialize the.. the Test Start time clock_gettime CLOCK_REALTIME start_time ... additonal code. cout The exectuion time of func calculateExecutionTime.. CLOCK_REALTIME stop_time double dSeconds stop_time.tv_sec start_time.tv_sec double dNanoSeconds double stop_time.tv_nsec start_time.tv_nsec..

Why is reading lines from stdin much slower in C++ than Python?

http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python

for line in sys.stdin count 1 delta_sec int time.time start_time if delta_sec 0 lines_per_sec int round count delta_sec print..

Why is splitting a string slower in C++ than Python?

http://stackoverflow.com/questions/9378500/why-is-splitting-a-string-slower-in-c-than-python

import print_function import time import sys count 0 start_time time.time dummy None for line in sys.stdin dummy line.split.. sys.stdin dummy line.split count 1 delta_sec int time.time start_time print Python Saw 0 lines in 1 seconds. .format count delta_sec..