https://issues.dlang.org/show_bug.cgi?id=11646

Walter Bright <bugzilla@digitalmars.com> changed...

...GC allocations.

Correct me if I'm wrong - your and mine HashMaps avoid allocations and...

...own memory (with stdx.allocator and arena allocations via Mallocator), placing objects in the tree...

...between struct and class is not surprising; allocations are slow in general, and D generally...

...could technically be done for integers without allocations. But in the general case it cannot...

...but performance. It performs many unnecessary memory allocations, and consumes (finish - start) stack frames instead...

...it should be *possible* to avoid memory allocations entirely, at least in most cases, and...

...see 3 (instead of 2) kinds of allocations here:

1. GC: destruction during `GC.collect...

...less interface in the GC for scoped allocations? That would make new's even faster...

...optimization pass [1] which promotes heap allocations to stack allocations, without  the user having to...