Wall Clock Vs Cpu Time at Mario Maria blog

Wall Clock Vs Cpu Time. In order to understand performance you want to compare the two. User and sys are there to show how long the cpu was actually busy in. For example, the host command sends a dns query to a dns server to figure out which mailservers my domain is using: When a program loops through an array, it is accumulating user cpu time. Wall clock time measures how much time has passed, as if you were looking. Wall clock time measures how much time has passed, as if you were looking at the clock on your wall. If what matters to you is the wall clock time, real is the metric to look at. Cpu time is how many seconds the cpu was busy. Conversely, when a program executes a system call such as exec or fork, it is accumulating. What is the difference between wall clock time and cpu time?

人工智能时代计算机架构的趋势与挑战 会员交流会精彩摘要CSDN博客
from blog.csdn.net

In order to understand performance you want to compare the two. Wall clock time measures how much time has passed, as if you were looking at the clock on your wall. For example, the host command sends a dns query to a dns server to figure out which mailservers my domain is using: Wall clock time measures how much time has passed, as if you were looking. When a program loops through an array, it is accumulating user cpu time. User and sys are there to show how long the cpu was actually busy in. What is the difference between wall clock time and cpu time? Conversely, when a program executes a system call such as exec or fork, it is accumulating. Cpu time is how many seconds the cpu was busy. If what matters to you is the wall clock time, real is the metric to look at.

人工智能时代计算机架构的趋势与挑战 会员交流会精彩摘要CSDN博客

Wall Clock Vs Cpu Time For example, the host command sends a dns query to a dns server to figure out which mailservers my domain is using: For example, the host command sends a dns query to a dns server to figure out which mailservers my domain is using: Wall clock time measures how much time has passed, as if you were looking at the clock on your wall. If what matters to you is the wall clock time, real is the metric to look at. In order to understand performance you want to compare the two. Conversely, when a program executes a system call such as exec or fork, it is accumulating. What is the difference between wall clock time and cpu time? When a program loops through an array, it is accumulating user cpu time. Wall clock time measures how much time has passed, as if you were looking. User and sys are there to show how long the cpu was actually busy in. Cpu time is how many seconds the cpu was busy.

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