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  2. Technical features new to Windows Vista - Wikipedia

    en.wikipedia.org/wiki/Technical_features_new_to...

    Windows Vista features a Dynamic System Address Space that allocates virtual memory and kernel page tables on-demand. It also supports very large registry sizes. Includes enhanced support for Non-Uniform Memory Access (NUMA) and systems with large memory pages. Windows Vista also exposes APIs for accessing the NUMA features.

  3. Commit charge - Wikipedia

    en.wikipedia.org/wiki/Commit_charge

    In such an event a popup window will be displayed stating that "The system is running low on virtual memory." If the system ever runs completely out of commit charge (that is, if the total reaches the limit), a popup window will be displayed stating that "The system is out of virtual memory," and it may become extremely sluggish or even ...

  4. Windows Vista editions - Wikipedia

    en.wikipedia.org/wiki/Windows_Vista_editions

    Windows Vista Enterprise was not available through retail or OEM channels, but was instead distributed through Microsoft Software Assurance (SA), with license terms that conferred the right to operate up to four virtual machines with various Windows Vista editions installed, access to Virtual PC Express, and activation via volume licensing. [23 ...

  5. Virtual memory - Wikipedia

    en.wikipedia.org/wiki/Virtual_memory

    Virtual memory combines active RAM and inactive memory on DASD [a] to form a large range of contiguous addresses.. In computing, virtual memory, or virtual storage, [b] is a memory management technique that provides an "idealized abstraction of the storage resources that are actually available on a given machine" [3] which "creates the illusion to users of a very large (main) memory".

  6. Page fault - Wikipedia

    en.wikipedia.org/wiki/Page_fault

    In computing, a page fault is an exception that the memory management unit (MMU) raises when a process accesses a memory page without proper preparations. Accessing the page requires a mapping to be added to the process's virtual address space.

  7. Thrashing (computer science) - Wikipedia

    en.wikipedia.org/wiki/Thrashing_(computer_science)

    In effect, physical main memory becomes a cache for virtual memory, which is in general stored on disk in memory pages. Programs are allocated a certain number of pages as needed by the operating system. Active memory pages exist in both RAM and on disk. Inactive pages are removed from the cache and written to disk when the main memory becomes ...

  8. AOL Mail

    mail.aol.com/?icid=aol.com-nav

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Cache coloring - Wikipedia

    en.wikipedia.org/wiki/Cache_coloring

    Illustration of cache coloring. Left is virtual memory spaces, center is the physical memory space, and right is the CPU cache.. A physically indexed CPU cache is designed such that addresses in adjacent physical memory blocks take different positions ("cache lines") in the cache, but this is not the case when it comes to virtual memory; when virtually adjacent but not physically adjacent ...