How to speed-up make-based building process

If you are building some multifile-based project using make tool, it is worth to use parallel build in order to speed up building process.

You can do that using -j option of make tool ex.

make -j2

If you will select -j2, you are informing your compiler to use 2 cores of your CPU for building process.

The optimal option is to split build using all cores of your CPU. In order to get number of cores of your CPU on Linux-based OS you can use command:

nproc

Therefore, if you would like to speed-up build time optimally using all cores of you CPU, you can use following command on Linux-based OS:

make -j`nproc`

Picture source: http://hostme.ie/wp-content/uploads/2011/03/speed-up-wordpress.jpg

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