Re: [gentoo-dev] New project: LLVM

[Lei Zhang]

2016-08-20 1:13 GMT+08:00 C Bergström <cbergstrom@×××××××××.com>:
> I finally got it to build and here's the size numbers
> 952K    ./lib/libc++abi.a
> 616K    ./lib/libc++abi.so.1.0
>
> If the above isn't enough motivation and you really want benchmarks
> which prove it's a pig... I'll try to figure something else
>
> Not exactly a 1:1 comparison because I think other things are mixed in, but...
> 352K    /usr/lib/gcc/x86_64-linux-gnu/4.9/libsupc++.a
> 356K    /usr/lib/gcc/x86_64-linux-gnu/5/libsupc++.a
>
> In the land of HPC we frequently statically link stuff... not that
> 864KB is big by any sort of modern definition, but it does raise
> questions..

Though larger code size might be detrimental to performance (more
cache misses), seeing the runtime of a real world program is probably
more convincing :)

Speaking of HPC, could you recommend some HPC programs that I can
benchmark against libcxxrt/libc++abi?


Lei