Linus with some good observations on garbage collection

[bearophile]

dsimcha:

> It's slightly slower than VLAs, 
> but the difference is negligible since it's still almost never a 
> threading bottleneck and you still have to do something with the array 
> you allocated.

I have to compare the performance of both for my use cases (fast allocations of very small arrays, even a just a small number of chars).
I think an advantage of stack allocations is that most times the top of the current stack is already in cache L1, so it's warm memory.

Bye,
bearophile