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2. Virtual memory compression - Wikipedia

   en.wikipedia.org/wiki/Virtual_memory_compression

   By reducing the I/O activity caused by paging requests, virtual memory compression can produce overall performance improvements. The degree of performance improvement depends on a variety of factors, including the availability of any compression co-processors, spare bandwidth on the CPU, speed of the I/O channel, speed of the physical memory, and the compressibility of the physical memory ...

3. Dirty bit - Wikipedia

   en.wikipedia.org/wiki/Dirty_bit

   A dirty bit or modified bit is a bit that is associated with a block of computer memory and indicates whether the corresponding block of memory has been modified. [1] The dirty bit is set when the processor writes to (modifies) this memory. The bit indicates that its associated block of memory has been modified and has not been saved to storage ...

4. Page cache - Wikipedia

   en.wikipedia.org/wiki/Page_cache

   Pages in the page cache modified after being brought in are called dirty pages. [5] Since non-dirty pages in the page cache have identical copies in secondary storage (e.g. hard disk drive or solid-state drive), discarding and reusing their space is much quicker than paging out application memory, and is often preferred over flushing the dirty pages into secondary storage and reusing their space.

5. The ultimate guide to computer health: How to ensure ... - AOL

   www.aol.com/lifestyle/the-ultimate-guide-to...

   Optimize virtual memory and page files: This step can alleviate system sluggishness by efficiently managing storage resources. Manage CPU and RAM usage: ...

6. Clear cache on a web browser - AOL Help

   help.aol.com/articles/clear-cookies-cache...

   A browser's cache stores temporary website files which allows the site to load faster in future sessions. This data will be recreated every time you visit the webpage, though at times it can become corrupted.

7. Page replacement algorithm - Wikipedia

   en.wikipedia.org/wiki/Page_replacement_algorithm

   This means that if target page is dirty (that is, contains data that have to be written to the stable storage before page can be reclaimed), I/O has to be initiated to send that page to the stable storage (to clean the page). In the early days of virtual memory, time spent on cleaning was not of much concern, because virtual memory was first ...