Michigan Dyslexia Institute 2010 Fact Sheet

Tuning Mac OS X Performance
Mac OS X makes extensive use of Virtual Memory (VM), which requires free disk space on your startup disk, aka your boot volume. If you startup disk is nearly .
http://www.thexlab.com/faqs/performance.html

Mac Virtual Memory – What it is, the Swap Location ... - OS X Daily
Oct 8, 2010 . I was asked recently about the Mac OS X swapfile, specifically how to disable Mac OS X swapping entirely. I decided I will take this opportunity .
http://osxdaily.com/2010/10/08/mac-virtual-memory-swap/



Through September of 2010 os x virtual memory has:

  • osx - How can I move virtual memory swap files to a different drive or ...
    Sep 12, 2010 . By default, Mac OS X stores its swap files in /private/var/vm/ . I would like to place the swap files in a different location. How can it be done?
    http://apple.stackexchange.com/questions/1465/how-can-i-move-virtual-memory-swap-files-to-a-different-drive-or-partition

  • Virtual memory encryption necessity in OS X | MacFixIt - CNET ...
    Sep 27, 2011 . Part of virtual memory on a computer is where the contents of RAM are written to the hard drive (as a special file called a "swapfile") to free it up .
    http://reviews.cnet.com/8301-13727_7-20112521-263/virtual-memory-encryption-necessity-in-os-x/

  • osx - OS X virtual memory size can't be correct, can it? - Super User
    Apr 26, 2012 . I've got Snow Leopard and 8G of RAM. Activity Monitor reports a VM size of 173 * Giga*bytes. My hard disk is only 250G and 200G of that is in .
    http://superuser.com/questions/416615/os-x-virtual-memory-size-cant-be-correct-can-it

  • Secure Virtual Memory on OS X
    Secure Virtual Memory on OS X. February 11, 2010. Since the purchase of my 2009 MacBook Pro, I've had a nagging issue of anytime the machine sleeps for .
    http://jimmitchell.org/2010/02/11/secure-virtual-memory-on-os-x/

  • OS/X Virtual Memory and Disk Fragmentation is real « Designerings
    Apr 29, 2009 . Yes OS/X definitely does end up with highly-fragmented free space and due to the dynamic allocation of swapfiles can hammer your virtual .
    http://aussiedesignedsoftware.com/blog/?p=94

  • Paging - Wikipedia, the free encyclopedia
    Paging is an important part of virtual memory implementation in most contemporary general-purpose operating . 5.4.1 Linux; 5.4.2 Mac OS X; 5.4.3 Solaris .
    http://en.wikipedia.org/wiki/Paging

    OS X : Checking Virtual Memory - GROK Knowledge Base
    Apr 18, 2012 . [Return to Snow Leopard: Overview] To see how much virtual memory your Mac has: 1. Select the Terminal application. 2. Type in vm_stat and .
    http://grok.lsu.edu/Article.aspx?articleid=4640

  • Memory Usage Performance Guidelines: About the Virtual Memory ...
    Jul 2, 2008 . Both Mac OS X and iOS include a fully-integrated virtual memory system that you cannot turn off; it is always on. Both system also provide up to .
    http://developer.apple.com/documentation/performance/conceptual/managingmemory/articles/aboutmemory.html

  • Kernel Programming Guide: Memory and Virtual Memory
    Feb 16, 2012 . At a lower level, the object level, virtual memory is seen as a collection . Shared memory support in Mac OS X is achieved by sharing objects .
    http://developer.apple.com/documentation/Darwin/Conceptual/KernelProgramming/vm/vm.html

  • Purge the OS X disk cache to analyze memory usage | MacFixIt ...
    Feb 7, 2012 . In OS X one aspect of the virtual memory system is the disk cache, which is used to overcome the relatively slow speed of the hard drive by .
    http://reviews.cnet.com/8301-13727_7-57372267-263/purge-the-os-x-disk-cache-to-analyze-memory-usage/

    How to Reduce Memory Usage on the Mac | ChrisWrites.com
    Feb 7, 2012 . To use physical Ram (memory) as efficiently as possible, OS X utilises your free hard disk space as “Virtual Memory” or VM. OS X creates this .
    http://www.chriswrites.com/2012/02/how-to-reduce-memory-usage-on-the-mac/

    Configuring X-Plane to Use Less Virtual Memory | X-Plane.com
    Windows 64-bit: 4 GB. Mac OS X: 3.5 GB. Linux: 3 GB. Because this is a virtual memory limit on each application, these limits apply no matter how much physical .
    http://www.x-plane.com/platform/desktop/mac/

  • osx - What's the difference between Real, Virtual, Shared, and ...
    Aug 17, 2010 . Mac OS X can use more memory than the amount of physical RAM you have. A hard disk is much slower than RAM, so the virtual memory .
    http://apple.stackexchange.com/questions/104/whats-the-difference-between-real-virtual-shared-and-private-memory

  • 10.7.2 - virtual memory, nom nom nom - MacRumors Forums
    10.7.2 - virtual memory, nom nom nom Mac OS X. . Mac OS X: Reading system memory usage in Activity Monitor To see which apps are .
    http://forums.macrumors.com/showthread.php?t=1360849

    How to Disable Virtual Memory OS X | eHow.com
    How to Disable Virtual Memory OS X. Like Windows computers, Macs have both RAM (Random Access Memory) and virtual memory. As your computer gets .
    http://www.ehow.com/how_6812903_disable-virtual-memory-os-x.html

    Virtual Memory Configuration — Remons TechNotes
    Jan 29, 2012 . OSX 10.7 Shell command sudo defaults write /Library/Preferences/com.apple. virtualMemory DisableEncryptedSwap -boolean yes .
    http://remonpel.nl/2012/01/virtual-memory-configuration/

  • Disable Secure Virtual Memory on Mac OS X Lion (10.7) | Serbian ...
    Oct 3, 2011 . By default, OS X Lion encrypts your swap space. Pretty good stuff if you have a laptop on the road. But, at home it's okey to disable it unless you .
    http://tech.serbinn.net/2011/disable-secure-virtual-memory-on-mac-os-x-lion-10-7/

  • OS 10.5 - Activity Monitor...Virtual Memory - Mac-Forums.com
    {mrec_postbit1} 10-25-2008, 04:52 PM I just upgraded from Tiger to Leopard... So I was watching an avi movie in vlc and my .
    http://www.mac-forums.com/forums/os-x-operating-system/128026-os-10-5-activity-monitor-virtual-memory.html

  • Woopid Video Tutorials - Use Secure Virtual Memory
    Use secure virtual memory to protect information stored in memory. . Use Secure Virtual Memory. Software/Hardware used : Mac OS X Leopard. Views: 9714 .
    http://www.woopid.com/video/857/Use-Secure-Virtual-Memory

    VirtualMemory - Dive into OS X
    VirtualMemory. Q. How do I make a RAM disk in Mac OS X? A. RamBunctious 2.0 ( [WWW] review). A. Alternate viewpoint: [WWW] Why you don't need a RAM .
    http://diveintoosx.org/VirtualMemory.html

  • Real World Photoshop CS5 for Photographers: Virtual Memory ...
    Dec 11, 2010 . There's nothing wrong with this—Windows and Mac OS X use virtual memory the same way. In Mac OS X, the procedure for pointing the swap .
    http://www.peachpit.com/articles/article.aspx?p=1660191

  • osx - Retrieving the memory map of its own process in OS X 10.5 ...
    Not the answer you're looking for? Browse other questions tagged osx virtual- memory under-the-hood memory-mapping or ask your own .
    http://stackoverflow.com/questions/1627998/retrieving-the-memory-map-of-its-own-process-in-os-x-10-5-10-6

  • Memory Usage in OS X Explained | Interrupt19
    Jun 15, 2009 . Used: Used is the total amount of memory currently in use by OS X. VM size: VM size is the hard disk space being used as virtual memory.
    http://www.interrupt19.com/2009/06/15/os-x-memory-usage-explained/

    os x processes disk activity: virtual memory ? - CNET Mac OS X Forums
    Mac OS X: os x processes disk activity: virtual memory ? - Read Mac OS X discussions and get tips and advice on this topic and others on .
    http://forums.cnet.com/7723-6126_102-368896/os-x-processes-disk-activity-virtual-memory/

  • Reasons to Add More RAM to Mac Snow Leopard - For Dummies
    Virtual memory: Virtual memory allows Mac OS X to use empty hard drive space as temporary system memory, as shown in this figure. Data is written to your .
    http://www.dummies.com/how-to/content/reasons-to-add-more-ram-to-mac-snow-leopard.html

  • How to Modify the Virtual Memory in a Mac | Tech Tips - Salon.com
    Like Windows PCs, Macintosh computers use virtual memory to run more . OS X Daily: Mac Virtual Memory -- What It Is, the Swap Location, and How to Disable .
    http://techtips.salon.com/modify-virtual-memory-mac-1675.html

    How to Adjust Virtual Memory: 15 steps - wikiHow
    Apr 3, 2012 . You can adjust virtual memory to help increase your performance if . Memory window and the new settings will be applied to your OSX system.
    http://www.wikihow.com/Adjust-Virtual-Memory

  • scottlinux.com - OS X Monitor Virtual Memory Usage from Command ...
    Published on November 11, 2011, by scott in osx. OS X has a simple command line tool to monitor virtual memory usage: vm_stat. I'll show you how it works!
    http://scottlinux.com/2011/11/11/os-x-monitor-virtual-memory-usage-from-command-line/

  • Mac OS X Hidden Files & Directories
    Some programs use one, some use the other, so Mac OS X provides both. /var/ vm, Used to store the swap files for Mac OS X's virtual memory. /var/vm/ .
    http://www.westwind.com/reference/OS-X/invisibles.html

  • Mplus
    Microsoft Windows 2000/XP/Vista/7; Mac OS X 10.4 or later; Linux (tested on the . Memory requirements for Mplus (both RAM and virtual memory) depend on .
    http://www.statmodel.com/sysreq.shtml

  • Memory Cleaner for Intel Macs: It Works
    Dec 14, 2011 . If I ran two or three programs, I was making heavy use of virtual memory, especially if I ran two or more browsers. With OS X 10.6 Snow Leopard .
    http://lowendmac.com/reviews/11rev/memory-cleaner.html

  • Virtual memory - Apple Wiki, a wiki about Macs, iPod, iPhone, iPad ...
    Virtual memory adds more memory to your Macintosh by making use of unused . Virtual Memory is permanently on beginning with Mac OS X; before this, it was .
    http://apple.wikia.com/wiki/Virtual_memory

  • Mac OS X Memory Management: terms in Activity Monitor | My Little ...
    Apr 23, 2011 . Mac OS X Memory Management: terms in Activity Monitor . Check out this for more details about memory management and virtual memory.
    http://sophie-notes.blogspot.com/2011/04/mac-os-x-memory-management-terms-in.html

  • Mac Daddy World
    You don't see that anymore nowadays, because computers use a system called virtual memory. With virtual memory on OS X, each program seems to have its .
    http://macdaddyworld.com/

    OS X Lion: What is the simplest way to completely disable virtual ...
    OS X Lion: What is the simplest way to completely disable virtual memory memory use in OS X Lion? Post. Add Answer. B; I; U; @. Edit Link Text. Show answer .
    http://www.quora.com/OS-X-Lion/What-is-the-simplest-way-to-completely-disable-virtual-memory-memory-use-in-OS-X-Lion

  • Something is deeply broken in OS X memory ... - work stuff - Tumblr
    Apr 4, 2012 . Something is deeply broken in OS X memory management (Lion . The core issue seems to be that the virtual memory manager is bad at .
    http://workstuff.tumblr.com/post/20464780085/something-is-deeply-broken-in-os-x-memory-management

  • osx - Ballooning Mac OS X kernel_task and Wired memory usage ...
    Feb 21, 2010 . Ballooning Mac OS X kernel_task and Wired memory usage. How to . How to find virtual memory size and cache size of a linux system?
    http://superuser.com/questions/111501/ballooning-mac-os-x-kernel-task-and-wired-memory-usage-how-to-diagnose-fix

  • Mac OS X 10.1
    Oct 15, 2001 . Is Mac OS X a black hole for RAM? In a word, yes. But that's actually a good thing ...sort of. I talked about Mac OS X's virtual memory system as it .
    http://arstechnica.com/apple/reviews/2001/10/macosx-10-1.ars/7

  • OSX eats unbounded amounts of memory - Mac Applications & Software
    OSX eats unbounded amounts of memory. I'm trying to understand some virtual memory strangeness I'm seeing. After a reboot, I have lots of free memory .
    http://www.justskins.com/forums/osx-eats-unbounded-amounts-147497.html

  • Disabling Virtual Memory in Mac OSX...: Apple Support Communities
    Nov 11, 2010 . Now I'm going to preemptively say, I know exactly what I'm doing and yes, I do want to completely disable Mac OSX's virtual memory/swap files.
    https://discussions.apple.com/thread/2645143?start=0&tstart=0

  • Improving MacOS X Performance | Sveinbjorn Thordarson
    Benchmarks seem to indicate that OS X virtual memory performs much better with a dedicated swap file partition, especially if it's on a seperate hard drive from .
    http://sveinbjorn.org/osxperformance

  • Enhancing Performance of your Mac - Mac Guides
    Mar 20, 2012 . There are certain things that would help Mac OS X perform well and be more . the amount of time the computer has to use Virtual memory.
    http://guides.macrumors.com/Enhancing_Performance_Of_Mac_OS_X

  • Mac Performance Tips – Keep Plenty of Free Disk Space
    OS X's memory management system uses lots of virtual memory. Since virtual memory is actually space on your startup drive, having a startup drive that is .
    http://macs.about.com/od/usingyourmac/qt/Mac-Performance-Tips-Keep-Plenty-Of-Free-Disk-Space.htm