Another performance problem

[David Nadlinger]

On Sunday, 8 December 2013 at 14:03:18 UTC, David Nadlinger wrote:
> I did, however, find a rather severe bug: We emit the "__gshared
> static" globals in the MemoryPool struct as thread-local, which 
> is a)
> a big correctness problem, and b) might cause substantial 
> slowdown due
> to the additional overhead incurred when accessing them.

Turns out that this is actually a DMD issue: 
http://d.puremagic.com/issues/show_bug.cgi?id=4419

You might want to watch out for this trap in the future (or annoy 
people to fix it in the frontend, of course).

David