[phobos] Parallelism in Phobos

[Andrei Alexandrescu]

This should be validated by benchmarking.

Andrei

On 8/27/10 7:45 PDT, David Simcha wrote:
> IIRC (maybe this has changed recently) atomic increments in core.atomic
> are based on CAS instructions in a while loop, which is how more generic
> lock free primitives are made.  Atomic increment should be special cased
> to directly use lock; inc [someRegister];.
>
> On Fri, Aug 27, 2010 at 10:40 AM, Sean Kelly <sean at invisibleduck.org
> <mailto:sean at invisibleduck.org>> wrote:
>
>     On Aug 27, 2010, at 7:11 AM, David Simcha wrote:
>      >
>      >>
>      >> I see you have some CAS instructions. Sean, I think it's a good
>     time to collaborate with David to put them into druntime or
>     std.concurrency.
>      >
>      > Yeah, D needs a real atomics library.  core.atomic is a good
>     start, but I won't use it until it can efficiently do things like
>     atomic increment.
>
>     How could it be made more efficient?
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