RFC: std.uuid

[Piotr Szturmaj]

Vladimir Panteleev wrote:
> On Sunday, 25 December 2011 at 01:08:04 UTC, Piotr Szturmaj wrote:
>>> Anyway, I believe you can do without memcpy by using array copy? Array
>>> copy might even be faster, since memcpy is not a DMD compiler intrinsic
>>> like in many C/C++ compilers.
>>
>> I converted memcpy calls to array copy but it become about 1 Mbps slower.

That should be MBps.

>
> That's strange. I've tried optimizing some of my code today, and
> changing slice copies to memcpy had the opposite effect. You are
> benchmarking with -O -release -inline, right?

Yes. Here are the results: http://pastebin.com/rD8kiaQy. This is 
observed only with Windows DMD.