Linux performance optimization gprof usage
gprof is used to analyze the time-consuming of function calls. It can be used to catch the most time-consuming functions in order to optimize the program.The - pg parameter must also be added when linking gcc, so that gmon.com can be generated after the program runs Out file for gprof analysis.gprof does not support multi-threaded programs by d ...
Posted by scorpioy on Sat, 29 Jan 2022 08:20:52 +0100
Front end page rendering optimization -- performance tool analysis and optimization
First of all, this is a code run to calculate the optimization of a large number of logic.
(1) Scene
When there is a lot of logical calculation of data in JSNon static resource optimizationCode level optimization
(2) Tools
The performance of Chrome Devtools can be found by pressing F12 in the browser.
(3) Situation
When our page is carryi ...
Posted by vishi83 on Thu, 13 Jan 2022 14:44:40 +0100
Performance analysis from IO to specific files
1. Overview
Performance analysis of IO has always been one of the focuses of performance analysis, and the idea of analysis is:
With clear logic in the code, you can completely know which files are read and written frequently. But for performance analysts, it's often a system that's not written by them, or sometimes produced by multiple ...
Posted by ro1960 on Sun, 02 Jan 2022 15:04:15 +0100