On Thu, Jun 1, 2017 at 8:52 PM Mike Hommey <[email protected]> wrote:

> Hi,
>
> For some reason, the default when building on Linux had stayed -Os. I
> just landed a change[1] to this default to now use -O2 instead (on
> autoland at the moment). This is going to give better performance to
> local builds (although that might make the build itself take a little
> longer).


Does this change affect our shipped build?

Long ago -Os produced faster builds than -O2 because the memory effects of
larger code outweigh the better in lining. That might not be true any more,
but I'm interested in seeing data.

--BDS
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