Garbage collector

Daniel Keep daniel.keep.lists at gmail.com
Tue May 30 23:43:41 PDT 2006



Tom S wrote:
> Daniel Keep wrote:
>> Paolo Invernizzi wrote:
>>> Hi all,
>>>
>>> DMD 0.159 win32, Why I don't see my memory exploding while the program
>>> is running?
>>>
>>>
>>> int main(char[][] argv) {
>>>     std.gc.disable();
>>>     for (int i=0; i < 1000000; i++) {
>>>         byte[] a = new byte[10000000];
>>>     }
>>> }
>>>
>>> Thanks!
>>>
>>> ---
>>> Paolo Invernizzi
>>
>> Well, I can only think of a few possibilities:
>>
>> 1. DMD is (for some reason) still collecting the old arrays.
>> 2. DMD is smart enough to omit that line entirely since it knows you're
>> not using it.
>> 3. You have 9 terabytes of RAM.
>>
>> If #3 is correct, I want your machine.
> 
> There's the fourth option => std.gc.disable is not implemented.
> I was also curious about this, so I checked the source and
> std.gc.disable/enable only seem to increment/decrement one variable that
> is never used...
> 
> 

HAHAHAHA.  Oh, I wasn't expecting that one...  Hopefully that gets fixed
at some point :P

	-- Daniel

-- 
Unlike Knuth, I have neither proven or tried the above; it may not even
make sense.

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