GC vs. Manual Memory Management Real World Comparison

[anonymous]

On Wednesday, 5 September 2012 at 12:22:52 UTC, Alex Rønne 
Petersen wrote:
> On 05-09-2012 13:03, Benjamin Thaut wrote:
>> I rewrote a 3d game I created during my studies with D 2.0 to 
>> manual
>> memory mangement. If I'm not studying I'm working in the 3d 
>> Engine
>> deparement of Havok. As I needed to pratice manual memory 
>> management and
>> did want to get rid of the GC in D for quite some time, I did 
>> go through
>> all this effort to create a GC free version of my game.
>>
>> The results are:
>>
>>     DMD GC Version: 71 FPS, 14.0 ms frametime
>>     GDC GC Version: 128.6 FPS, 7.72 ms frametime
>>     DMD MMM Version: 142.8 FPS, 7.02 ms frametime
>>
>> GC collection times:
>>
>>     DMD GC Version: 8.9 ms
>>     GDC GC Version: 4.1 ms
>>
>> As you see the manual managed version is twice as fast as the 
>> garbage
>> collected one. Even the highly optimized version created with 
>> GDC is
>> still slower the the manual memory management.
>>
>> You can find the full article at:
>>
>> http://3d.benjamin-thaut.de/?p=20#more-20
>>
>>
>> Feedback is welcome.
>>
>> Kind Regards
>> Benjamin Thaut
>
> BTW, your blog post appears to have comparison misspelled.

Also "development".

It was interesting to read it. What about GDC MMM?