Apparent problem with GC not collecting on Windows

Ali Çehreli acehreli at yahoo.com
Wed Nov 28 12:53:35 PST 2012


On 11/28/2012 11:11 AM, 1100110 wrote:
 > On 11/28/2012 12:57 PM, Dmitry Olshansky wrote:
 >> 11/28/2012 10:51 PM, Ali Çehreli пишет:
 >>> A friend of mine reports that the memory usage of the following program
 >>> grows continuously when compiled with dmd 2.060 and run on Windows 
7 sp1
 >>> home premium 64 bit (also on Microsoft Windows [Version 6.1.7600]).
 >>>
 >>> If you are on Windows, could you please say whether you have the same
 >>> problem. (I don't have Windows.) The following is how we reproduce:
 >>
 >> [snip]
 >>
 >>> The program gets terminated by a core.exception.OutOfMemoryError. (Same
 >>> problem with std.stream.BufferedFile.)
 >>
 >> Same here on more or less fresh 2.061. About 12 iterations. Win8 x64
 >> running 32-bit app.
 >>
 >>
 >
 > Isn't this a known problem with a conservative GC on 32bit? The GC sees
 > something that *Could* be a reference, and refuses to collect that data.

I think it is more like an integer value looking like a pointer to 
something. I don't see what the GC may be confused with in this case.

I've still created a bug:

   http://d.puremagic.com/issues/show_bug.cgi?id=9094

Ali



More information about the Digitalmars-d-learn mailing list