phoronix-test-suite is currently the best benchmark tool for Linux. You can use it to figure out the bottleneck of performance of your Linux machine. Please refer to Benchmark Your Linux Machine Using phoronix-test-suite for more discussions.
BCC is a toolkit for creating efficient kernel tracing and …
Pulling/pushing Docker images is extremely slow in China. There are a few ways to speed up docker pulling/pushing in China.
Now the best way is to use the offical China mirror. Please refer to Docker 中国官方镜像加速 …
If there is some block of useless code, the compile is smart enough to ignore it and thus speed up the program.
Use the option -O2 to generate optimized code when you are ready to publish your code.
Define variables only when needed to avoid the overhead of creating …