[llvm-dev] LLD status update and performance chart

[Rafael Avila de Espindola via llvm-dev]

David Chisnall via llvm-dev <llvm-dev at lists.llvm.org> writes:

> On 13 Dec 2016, at 19:02, Mehdi Amini via llvm-dev <llvm-dev at lists.llvm.org> wrote:
>> 
>> I’m totally willing to believe you that it is not possible to write the fastest ELF linker on earth (or in the universe) with a library based and reusable components approach. But clang is not the fastest C/C++ compiler available, and LLVM is not the fastest compiler framework either!
>
> I’m not how it compares now, but at least when I started contributing and for a year or two after the speed of clang (especially at O0, for fast compile-test-debug cycles) was one of its big selling points.

It is pretty horrible actually. Last I measure (March) clang was slower
than gcc at building llvm+clang. The subject is "llvm and clang are
getting slower" if you want to search for the details.

Another reason for having lld "done" and benchmarked first.

Cheers,
Rafael