Re: bzr commit into mysql-next-mr-opt-team branch (tor.didriksen:3215) WL#1393

[Tor Didriksen]

On 2010-09-16 15:00, Konstantin Osipov wrote:
> * Tor Didriksen<tor.didriksen@stripped>  [10/09/16 16:44]:
>    
>> optimized, from next-mr-bugfixing, configured with cmake (no arguments)
>>
>> $ll sql/mysqld
>> -rwxr-xr-x 1 clustra 44304518 2010-09-16 14:15 sql/mysqld*
>>
>>
>> same branch, but removed the explicit template instantiation
>>
>> $ll sql/mysqld
>> -rwxr-xr-x 1 clustra 44048388 2010-09-16 14:15 sql/mysqld*
>>
>> so executable size shrinks when you let gcc decide what to do with
>> the templates.
>>      
> Nice. I guess we need to get these numbers for a couple more
> major platforms and remove the switch.
>
>    
we use this for g++ only, and we link with gcc.
do we link with the OS native linker on any platform?

> On the other hand it's not a complete evaluation: without explicit
> template instantiation there is a tendency for uncontrolled growth
> of the use of templates, so it would be nice to read up on the
> modern compiler/linker's ability to eliminate duplicate code from the
> resulting executable.
>
>    
well, we cannot use stl anyways, since we link with gcc rather than g++
so any 'uncotrolled growth' must come from our own home-grown templates.

-- didrik