[Boost-users] Re: size of libboost_thread-gcc-mt.so

From: Vladimir Prus (ghost_at_[hidden])
Date: 2005-03-30 12:14:08

Amerio wrote:

>>>> After compiling libboost_thread-gcc-mt.so on debian/gcc-2.95.4,
>>>> this so weights 195kB
> [...]
>> Without read_write_mutex the size of gcc/release/shared build is 46K.
>> With read_write_mutex the size is 136K.
>>
>> Wow, that's a difference!
>>
>> When I comment out explicit template instantiations in that source
>> file, the library is becomes 76K. The comment says explicit
>> instantination are needed to detect syntax errors in templates but
>> those instantination bloat the library.
> 
> Would there be any problem if I comment out the explicit instantations in
> this file for production code ?
> Are they in there *only* for syntax checking ???

I think that's the case. Adding #ifndef NDEBUG
might be a reasonable solution. Note that if you use all of mutex types,
you'll still get the code size penalty, but most likely you won't use all
of them.

> In this case, what about commiting a new rev in the cvs without this ?

That's up to Boost.Thread maintainers.

> Note : In my case, 100kB wasted is large enough to be an issue (running
> low on free space, embedded system)

I understand.

- Volodya