Martin v. Löwis wrote: > Adal Chiriliuc wrote: > > MSVC 7.1 and 8.0 malloc always uses the Windows heap functions > > (HeapAlloc & friends) if running on Windows 2000 or newer > > (malloc.c and heapinit.c). > > > > So it seems that for both Linux (gcc) and Win (msvc) the memory is > > released to the operating system. > > How so? HeapFree does not return the memory to the system. From > > http://msdn.microsoft.com/library/default.asp?url=/library/en-us/memory/base/heap_functions.asp > > "Once the pages are committed, they are not decommitted until the > process is terminated or until the heap is destroyed by calling the > HeapDestroy function."
http://www.python.org/sf/1389051 agrees with the microsoft documentation. (where imaplib runs out of memory after read- ing 2 megabytes of a 14 megabyte message). </F>
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