Non-freeing GC memory management

[Adam D. Ruppe via Digitalmars-d]

On Tuesday, 17 November 2015 at 19:27:15 UTC, tcak wrote:
> As far as I know, GC has a separate thread that stops all other 
> threads periodically to clear the unused memory fields.

That is a common misconception...

> What disadvantages would we have if GC was to be freeing memory 
> only when allocation is requested, and not checking 
> periodically?

This is what it actually does now.