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Microsoft to Launch 64-bit Windows on Monday

maotx writes "Several news outlets are reporting that Microsoft will officially roll out 64-bit versions of its Windows operating systems on Monday. As compared with existing 32-bit versions: 64-bit Windows will handle 16 terabytes of virtual memory, as compared to 4 GB for 32-bit Windows. System cache size jumps from 1 GB to 1 TB, and paging-file size increases from 16 TB to 512 TB."

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  1. what, only 16TB? by Vladimir · · Score: 5, Interesting

    With kernel 2.6.11 I had no problem malloc()'ing 2^47 bytes (128TB) ! Memory overcommitting is on, of course. While it seems like an unneeded feature now, remember that W$ limitation means you cannot mmap() stuff >16TB, and this will be a painful limitation in a year or two (1TB IDE disks will soon be launched, I heard).

    In addition, I was _really_ surprised to see that Intel's compiler still keeps "long" to 4 bytes on windows (didn't check, but so says their doc). With NO standard integer type for 64 bit, programming is set to be no fun on x86_64 under windows.