GC pathological case behaviour

[Ola Fosheim Grøstad via Digitalmars-d]

On Tuesday, 28 June 2016 at 21:01:20 UTC, John Colvin wrote:
> On Tuesday, 28 June 2016 at 20:12:29 UTC, luminousone wrote:
>> Is puts high enough latency that, that main thread can fill 
>> the message queue faster then start can exhaust it? If you put 
>> a call to sleep for 1ms in the main loop does it have the same 
>> result?
>
> It appears that adding a 1ms sleep causes the leak to 
> disappear. Still seems like bad behaviour from the GC though, 
> perhaps indicative of a bug.

Not necessarily, if the 10K allocations results in system calls, 
but try to remove the 1ms delay, set setMaxMailboxSize to a 
millon and set it to ignore. (i.e. if the box is full you bypass 
sending).