On Wed, 5 Jan 2022, 08:11 Ming Cheng via Gcc-help, <gcc-help@xxxxxxxxxxx> wrote: > > > Hi Jonathan, > > Thanks for this nice advice. I'd like to learn more about cmd size. Among > text/data/bss sections, which section(s) has the most impact to the perf? > You are right that people should do actual test. But for the same code, in > theory, larger size's perf should be always <= smaller size's . > Not necessarily. Function inlining can increase size but also increase performance. You need to measure.