"Diez B. Roggisch" <de...@nospam.web.de> writes: > Am 13.02.10 17:18, schrieb Anssi Saari: >> Nobody<nob...@nowhere.com> writes: >> >>> A single process can't use much more than 2GiB of RAM without a 64-bit CPU >>> and OS. >> >> That's not really true. Even Windows XP has the /3GB boot option to >> allow 3 GiB per process. On PCs, free operating systems and server >> Windows can use PAE to give access to full 4 GB per process. > > No, PAE can be used to access much more memory than 4GB - albeit > through paging. AFAIK up to 2^36 Bytes.
That too. I admit, after checking, that you can't go above 3 GiB per process even in server Windows. But for Linux there exists (or existed, since it seems it hasn't been updated since 2004) a kernel patch which provides a "4GB/4GB" address split. Kernel is in one segment, userland in another and hence a process can access full 4GB. -- http://mail.python.org/mailman/listinfo/python-list
