Benchmarks and anonymous delegates

Andrei Alexandrescu SeeWebsiteForEmail at erdani.org
Thu Nov 19 16:00:28 PST 2009


Vadym Stetsiak wrote:
> Hi, all
> 
> I'm encountering strange behavior when using anonymous delegates with bechmark function. In my case benchmark hangs and consumes 100% CPU.
> 
> I'm using D2.
> 
> Here's the code:
> import std.date;
> 
> void main()
> {
>         ulong[] measures = benchmark!(delegate void() 
> 	{
> 		for(int i = 0; i < 100_000; i++)
> 		{
> 			auto res1 = cmp1 == cmp2;
> 		}
> 		
> 	})(1, null);
> }
> 
> OTOH, when instead of anonymous delegate i use predefined function, benchmarks works just fine.
> 
> What I'm missing?

This needs to be looked at. My guess is a bug in the compiler, but the 
library may be at fault as well. Any chance you could please submit a 
bug report?

http://d.puremagic.com/issues/enter_bug.cgi


Andrei



More information about the Digitalmars-d mailing list