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From: Jonathan Wakely <jwakely.gcc@gmail.com>
Date: Wed, 5 Jan 2022 08:13:55 +0000
Message-ID: <CAH6eHdRC2Ef8qFM=JDT3uwqGesfo8+7vTst5y4rpY62dYMG+Kw@mail.gmail.com>
Subject: Re: Fw: binary size
To: Ming Cheng <chengm349@hotmail.com>
Cc: gcc-help <gcc-help@gcc.gnu.org>
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On Wed, 5 Jan 2022, 08:11 Ming Cheng via Gcc-help, <gcc-help@gcc.gnu.org>
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.