[phobos] phobos commit, revision 2331

[Brad Roberts]

On 1/14/2011 10:39 AM, Robert Jacques wrote:
> On Fri, 14 Jan 2011 11:19:34 -0500, Jonathan M Davis <jmdavisProg at gmx.com> wrote:
> 
>> On Friday 14 January 2011 05:43:19 Robert Jacques wrote:
>>> On Fri, 14 Jan 2011 06:36:18 -0500, dsource.org <noreply at dsource.org>
>>>
>>> wrote:
>>> > phobos commit, revision 2331
>>> >
>>> >
>>> > user: jmdavis
>>> >
>>> > msg:
>>> > Re-enabled std.datetime for Windows but disabled its unit tests for
>>> > Windows.
>>> >
>>> > For some reason, the std.datetime unit tests compile and pass without
>>> > problems on Linux and in Wine on Linux, but on real Windows, the
>>> > compiler runs out of memory when compiling them. So, for now, all of the
>>> > std.datetime unit tests are versioned with testStdDateTime. On Posix,
>>> > version=testdStdDateTime is used in std.datetime, so the tests will run,
>>> > but that version is not set on Windows, so the unit tests don't run on
>>> > Windows. So, if you want to run the std.datetime unit tests on Windows or
>>> > under Wine or Linux, then compile with -version=testStdDateTime.
>>> >
>>> > At the moment, all of the tests pass on both Linux and under Wine, and
>>> > the normal code does compile on proper, so I'm fairly certain that it's
>>> > fine
>>> > for use on Windows, but for now, I can't enable the tests on Windows. My
>>> > best guess is that it's some sort of weird compiler bug involving system
>>> > calls that leak memory on Windows-proper but not in Wine, but I really
>>> > don't know.
>>> >
>>> > http://www.dsource.org/projects/phobos/changeset/2331
>>> >
>>> > paths changed:
>>> > U   trunk/phobos/std/datetime.d
>>> >
>>> > _______________________________________________
>>> > phobos mailing list
>>> > phobos at puremagic.com
>>> > http://lists.puremagic.com/mailman/listinfo/phobos
>>>
>>> If DMD is running out of memory at compile time, I doubt it has to do with
>>> weird compiler bugs. DMD running out of memory is usually a sign of heavy
>>> compile time string manipulation, CTFE or template usage. Remember, DMD
>>> keeps all template instantiations in memory and every time a string or
>>> array is touched, a new copy is created (bug 1382).
>>
>> Yes. But to then have it not only work on Linux but on Wine and yet not work on
>> Windows? The only real difference between running something under Wine and
>> Windows is that the implementation of system calls as changed.
> 
> Well, is the crash due to a marginal difference in memory levels, or something
> major? i.e. is DMD's memory usage on Wine also very high, or is it relatively low.

I haven't had time to try to help with this.. but for what it's worth, the
windows test box has 2 gigs of ram and is running 32bit windows.  So, there
_ought_ to be pleanty of memory.