[llvm-dev] LLD status update and performance chart

Davide Italiano via llvm-dev llvm-dev at lists.llvm.org
Tue Dec 13 13:23:57 PST 2016


On Tue, Dec 13, 2016 at 1:22 PM, Davide Italiano <davide at freebsd.org> wrote:
> On Tue, Dec 13, 2016 at 12:22 PM, Rafael Avila de Espindola via
> llvm-dev <llvm-dev at lists.llvm.org> wrote:
>> 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.
>>
>
> I wouldn't use the word "horrible" here.
>
> I'm not going to express an opinion about lld, and I'm not familiar

s/lld/lld as a library/

--
Davide


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