pi benchmark on ldc and dmd

[David Nadlinger]

On 8/2/11 7:34 PM, Robert Clipsham wrote:
> On 02/08/2011 00:40, Walter Bright wrote:
>> Anyone care to examine the assembler output and figure out why?
>
> I was talking to David Nadlinger the other day, and there was some sort
> of codegen bug causing things to massively outperform dmd and clang with
> equivalent code - it's possible this is the cause, I don't know without
> looking though. He may be able to shed some light on it.

Nope, this turned out to be a bug in my program, where some memory chunk 
used as test input data was prematurely garbage collected (that only 
surfaced with aggressive compiler optimizations, which is why I 
suspected a compiler bug).

David