-profile and threaded code

[David Ferenczi]

BCS wrote:

> Hello BCS,
> 
>> I have a program that runs an "easily" parallelizable loop. When I run
>> it as a single thread it only takes about 10% longer than 2 threads
>> (on a dual-core). I'm trying to track down the lossed time and am
>> wondering if turning on -profile is even worth looking at. The concern
>> is that it might not be thread safe or might just skew the result so
>> much as to be useless.
>> 
> 
> Well it seems that runing threded code with -profile gives a seg-v. So I
> guess that answers that.

See last comment of Walter:
http://d.puremagic.com/issues/show_bug.cgi?id=971