wall clock time การใช้

• Depending on the application its definition can take into account the difference between wall clock time and the CPU time.
• The extra pass over the list is a linear time operation, so while this technique requires more wall clock time, the asymptotics are not any worse.
• However, it sounded like you were ( understandably ) more concerned about the number of hard drive accesses than the amount of wall clock time that went past.
• In contrast, elapsed real time ( or simply real time, or wall clock time ) is the time taken from the start of a computer program until the end as measured by an ordinary clock.