Use SIMD to accelerate comment lexing

[Walter Bright via Digitalmars-d]

On 6/2/2015 5:27 AM, Manu via Digitalmars-d wrote:
> On 2 June 2015 at 05:39, Walter Bright via Digitalmars-d
> <digitalmars-d at puremagic.com> wrote:
>> https://issues.dlang.org/show_bug.cgi?id=14641
>>
>> Manu, our resident god of vector instructions, do you want to take this on?
>
> How do you measure this?

Time how long the compiler takes when running a non-optimized build.


> Is there a convenient setup that will produce
> a realistic test environment?

Compile Phobos.


> This is more awkward in C than in D, it needs a different
> implementation for each compiler... will DMD's CI build with all
> common C compilers to prove that the implementations are correct?

Just make it work with one compiler on one platform, the most convenient one. We 
can extend it to others later.