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Topic: Cache

In the News (Thu 18 Jul 19)

  Cache - Wikipedia, the free encyclopedia
In computer science, a cache (pronounced "cash") is a collection of data duplicating original values stored elsewhere or computed earlier, where the original data is expensive (usually in terms of access time) to fetch or compute relative to reading the cache.
Caches have proven extremely effective in many areas of computing because access patterns in typical computer applications have locality of reference.
The cache of disk sectors in main memory is usually managed by the operating system kernel or file system.
en.wikipedia.org /wiki/Cache   (1705 words)

 CPU cache - Wikipedia, the free encyclopedia
A CPU cache is a cache used by the central processing unit of a computer to reduce the average time to access memory.
A victim cache is a cache used to hold blocks evicted from a CPU cache due to a conflict or capacity miss.
This cache is generally implemented on a separate chip from the CPU, and, as of 2004, may range in size from 2 to 256 megabytes.
en.wikipedia.org /wiki/CPU_cache   (6998 words)

 A View to a Kill: Michael Haneke's "Cache"
"Cache"'s been justifiably congratulated for reading the proverbial writing on the wall, virtually guaranteeing itself movie-of-the moment status while Paris (and Australia, and God knows where next...) are burning; it's that sense of now-ness which almost vibrates life into the film's dead-air dialogues and vacuum-packed characterizations.
In "Cache", this instability is more explicit: Haneke wants us to know that we cannot hide from the consequences of racial neglect, and the entire film is constructed like a warning against self-delusion.
In "Cache", the Laurents' hidden watcher is the judge of us all, and just as likely to be a manifestation of Georges's own conscience as a figure from the past with closure on his mind.
www.indiewire.com /movies/2005/12/a_view_to_a_kil.html   (1349 words)

 cache - Hutchinson encyclopedia article about cache
In other cases, the memory cache is normal DRAM, but is used to store frequently used instructions and data that would normally be accessed from backing storage.
Read cache is used to store copies of data and instructions that are retrieved from main memory or mass storage.
The data is subsequently moved to its permanent location by the cache controller, a process that takes more time because main memory and mass storage devices are much slower to access than cache memory.
encyclopedia.farlex.com /cache   (358 words)

 Caching Tutorial for Web Authors and Webmasters
Proxy caches are a type of shared cache; rather than just having one person using them, they usually have a large number of users, and because of this they are very good at reducing latency and network traffic.
Also known as “reverse proxy caches” or “surrogate caches,” gateway caches are also intermediaries, but instead of being deployed by network administrators to save bandwidth, they’re typically deployed by Webmasters themselves, to make their sites more scalable, reliable and better performing.
Some caches do allow their administrators to prioritize what kinds of representations are kept, and some allow representations to be “pinned” in cache, so that they’re always available.
www.mnot.net /cache_docs   (6009 words)

 Web Cache Reference @ InternetNavigator.com (Internet Navigator)   (Site not responding. Last check: 2007-10-22)
Web caching is the caching of web documents (HTML pages, images, etc.) in order to reduce bandwidth usage and web site access times.
HTTP has a relatively complicated set of features that user agents and origin servers can use to control whether or not documents are stored in a cache, and when cached copies may be reused.
Server-side caches, also known as reverse-caches and web accelerators, are placed in front of origin servers to reduce their load.
www.internetnavigator.com /encyclopedia/Web_cache   (436 words)

 HTTP/1.1: Header Field Definitions
Cache directives are unidirectional in that the presence of a directive in a request does not imply that the same directive is to be given in the response.
Cache directives MUST be passed through by a proxy or gateway application, regardless of their significance to that application, since the directives might be applicable to all recipients along the request/response chain.
A stale cache entry may not normally be returned by a cache (either a proxy cache or a user agent cache) unless it is first validated with the origin server (or with an intermediate cache that has a fresh copy of the entity).
www.w3.org /Protocols/rfc2616/rfc2616-sec14.html   (14880 words)

 What is cache? - A Word Definition From the Webopedia Computer Dictionary
A memory cache, sometimes called a cache store or RAM cache, is a portion of memory made of high-speed static RAM (SRAM) instead of the slower and cheaper dynamic RAM (DRAM) used for main memory.
Memory caching is effective because most programs access the same data or instructions over and over.
Disk caching can dramatically improve the performance of applications, because accessing a byte of data in RAM can be thousands of times faster than accessing a byte on a hard disk.
www.webopedia.com /TERM/c/cache.html   (737 words)

 Define cache - a definition from Whatis.com - see also: cached
A disk cache (either a reserved area of RAM or a special hard disk cache) where a copy of the most recently accessed data and adjacent (most likely to be accessed) data is stored for fast access.
L2 cache memory, which is on a separate chip from the microprocessor but faster to access than regular RAM.
Also see: buffer, which, like a cache, is a temporary place for data, but with the primary purpose of coordinating communication between programs or hardware rather than improving process speed.
whatis.techtarget.com /definition/0,289893,sid9_gci211728,00.html   (444 words)

 Proxy Caching
When W3C httpd is run as a proxy it can perform caching of the documents retrieved from remote hosts to make futher requests faster.
Caching is normally turned implicitly on by specifying the Cache Root Directory, but it can be explicitly turned on and off by
Note that the cache refresh happens only if and when the document is requested, so if you have a refresh interval of 2 hours it doesn't mean that all the files in cache are fetched every two hours.
www.w3.org /Daemon/User/Config/Caching.html   (1277 words)

 Big Sky Cachers
Participating in a cache hunt is a good way to take advantage of the wonderful features and capability of a gps unit.
The basic idea is to have individuals and organizations set up caches all over the world and share the locations of these caches on the internet.
Once found, a cache may provide the visitor with a wide variety of rewards.
www.bigskycachers.com   (215 words)

 FAQ of Caching Mechanism
This document describes the caching mechanism in use the 331 release of the client source.
Depending upon the cache restrictions on the cache item, it will be added either to the disk or to the memory cache.
When the cache has been operational for a while, and the amount of available space for a new item becomes insufficient, the cache deletes approximately 10% of its size to make space for the item.
www.mozilla.org /docs/netlib/cachefaq.html   (838 words)

 Geocaching - Cache Types
The only commonality of this cache type is that the coordinates listed are not of the actual cache location but a general reference point, such as a nearby parking location.
A virtual cache is a cache that exists in a form of a location.
Depending on the cache "hider," a virtual cache could be to answer a question about a location, an interesting spot, a task, etc. The reward for these caches is the location itself and sharing information about your visit.
www.geocaching.com /about/cache_types.aspx   (698 words)

 The Perl Cache homepage   (Site not responding. Last check: 2007-10-22)
The Perl Cache modules are designed to assist a developer in persisting data for a specified period of time.
The simplest cache is the MemoryCache, which is suitable for applications that are serving multiple sequential requests, and wish to avoid making redundant expensive queries, such as an Apache/mod_perl application talking to a database.
If you wish to share that data between processes, then perhaps the SharedMemoryCache is appropriate, although its behavior is tightly bound to the underlying IPC mechanism, which varies from system to system, and is unsuitable for large objects or large numbers of objects.
perl-cache.sourceforge.net   (372 words)

 InterSystems Caché: Post-relational Database
CACHÉ is a multidimensional database that uniquely combines robust objects and robust SQL, thus eliminating object-relational mapping.
Developers can innovate with Caché at no risk, because we back it with 24x7 support and a money-back guarantee.
Caché is available for Unix, Linux, Windows, Mac OS X, and OpenVMS – and it's deployed on more than 100,000 systems ranging from two to over 50,000 users.
www.intersystems.com /cache   (159 words)

 Ricardo Galli, de software libre » WP-Cache 2.0
It works by caching Worpress pages and storing them in a static file for serving future requests directly from the file rather than loading and compiling the whole PHP code and then building the page from the database.
Remember that the cache is created on demand, so the first time you load a page it’ll be generated from the database.
Caching is new to me so I have a few basic questions that I didn’t see discussed elsewhere.
mnm.uib.es /gallir/wp-cache-2   (13717 words)

 (GCKFC2) Lake Arrewood by Sundanze
Cache is white in a fl plasticbag...size 20x13x8
diam.) you are nearly halfway to the cache.
Cache find counts are based on the last time the page generated.
www.geocaching.com /seek/cache_details.aspx?wp=GCKFC2   (297 words)

 Django | Documentation | Cache API
To cache something is to save the result of an expensive calculation so that you don't have to perform the calculation next time.
Upstream caching is a nice efficiency boost, but there's a danger to it: Many Web pages' contents differ based on authentication and a host of other variables, and cache systems that blindly save pages based purely on URLs could expose incorrect or sensitive data to subsequent visitors to those pages.
Another problem with caching is the privacy of data and the question of where data should be stored in a cascade of caches.
www.djangoproject.com /documentation/cache   (2435 words)

 :: rogerebert.com :: Reviews :: Caché (xhtml)
The opening shot of Michael Haneke's "Caché" shows the facade of a townhouse on a side street in Paris.
Many of the shots in the film itself are set up and filmed in the same way, so that "Caché" could be watching itself just as the videos watch the Laurents.
When "Caché" played at Cannes 2005 (where it won the prize for best direction), it had an English title, "Hidden." That may be a better title than "Caché," which can also be an English word, but more obscure.
rogerebert.suntimes.com /apps/pbcs.dll/article?AID=/20060112/REVIEWS/51220007/1023   (980 words)

 Conroe Area Christian Home Educators (CACHE) - Home school support group in Montgomery County, Texas (TX)
CACHE is now represented by more than 250 families who wish to educate their children independently, with a focus on both spiritual and academic excellence.
CACHE holds its graduation ceremonies in May of each school year.
Families with seniors must be CACHE members by December 1 to participate in CACHE’s Graduation Ceremony.
www.cacheonline.org   (442 words)

 Cache Now!   (Site not responding. Last check: 2007-10-22)
Web cache offers a win/win situation for both content providers and users, yet is little used in North America.
Subsequent requests from other users of the cache get the saved copy, which is much faster and does not consume Internet bandwidth.
Encourage the use of LAN cache servers in office environments and elsewhere.
vancouver-webpages.com /CacheNow   (471 words)

 Technorati Tag: cache   (Site not responding. Last check: 2007-10-22)
Download Cache Cleaner Now Permanently delete all history and shred sensitive files with PC Confidential.
Just like category_cache, Wordpress uses post_cache global variable to cache all the posts by their IDs.
Cache Cleaner Evidence Eliminator V5.0 Cache, web tracks, Internet history cleaning/erasing information.
www.technorati.com /tag/cache   (486 words)

 Caché - Toronto's Fiercest Salsa Band
Caché has been voted Favourite Latin Alternative Group at the 2006 Canadian Music Week Indie Awards.
Let us know what you think the new Caché album should be called, and you could win a free copy of the new CD, and more!
Caché plays latin music for dancers, and has established themselves as the group for Salsa dancing in Toronto.
www.con-cache.com   (120 words)

 Fujitsu | CAChe | CAChe 5.0   (Site not responding. Last check: 2007-10-22)
CAChe 5.0 for Windows is a leading computer-aided chemistry modeling package for experimental chemists conducting research in life sciences, materials and chemicals, as well as for undergraduate and graduate educators.
CAChe 5.0 includes the new PM5 Hamiltonian, a MOPAC 2002 method for computing electronic properties of molecules and the first new MOPAC method since 1986.
Contact Sales@CACheSoftware.com or call 1 (877) YO CAChe to speak with a technical representative.
www.cachesoftware.com /cache   (393 words)

 Cache View Homepage   (Site not responding. Last check: 2007-10-22)
Cache View is a viewer for the Netscape Navigator
You can open the cached files for viewing, and copy or move them out of the cache.
Cache View is a 32 bit Windows program, and so requires Windows 95 or NT.
www.progsoc.uts.edu.au /~timj/cv   (123 words)

 Howstuffworks "How Caching Works"
If you have been shopping for a computer, then you have heard the word "cache." Modern computers have both L1 and L2 caches.
It turns out that caching is an important computer-science process that appears on every computer in a variety of forms.
Virtual memory is even a form of caching.
computer.howstuffworks.com /cache.htm   (107 words)

 cache - Glossary - CNET.com   (Site not responding. Last check: 2007-10-22)
Caches come in many types, but they all work the same way: they store information where you can get to it fast.
A Web browser cache stores the pages, graphics, sounds, and URLs of online places you visit on your hard drive; that way, when you go back to the page, everything doesn't have to be downloaded all over again.
Of course, disk access is slower than RAM access, so there's also disk caching, which stores information you might need from your hard disk in faster RAM.
www.cnet.com /Resources/Info/Glossary/Terms/cache.html   (110 words)

 JBoss.com - JBoss Cache   (Site not responding. Last check: 2007-10-22)
JBoss Cache is a product designed to cache frequently accessed Java objects in order to dramatically improve the performance of e-business applications.
JBoss Cache has a business friendly open source license that makes it free to download, use, embed, and distribute.
JBoss Cache is designed for the middle-tier and delivers cached data to users at in-memory speed.
www.jboss.org /products/jbosscache   (224 words)

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