An intermediate data storage area with high performance but limited capacity. The term "cache" can refer to hardware cache (on a processor) or software cache (which stores commonly used values in a computer's memory).

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2
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4answers
3k views

What is actually multilevel cache in processors?

I recently read about processors(mainly multi-processor) and i came across, what is called as multi-level caches. I know that they have several cache in this case, for increasing the performance. But ...
9
votes
2answers
8k views

How to stop ReadyBoost from rebuilding cache after every restart on SD cards and flash drives?

On my computers (running windows 7 and vista and using SD cards and flash drives) ReadyBoost rebuilds cache after every reboot. Because of this and 5400RPM HDD, it takes several minutes for computer ...
20
votes
2answers
31k views

Refresh Icon Cache Without Rebooting

Normally, to refresh the icon cache in Windows, we have to reboot. Is there a way to refresh the icon cache in Windows 7/8 without rebooting?
34
votes
4answers
14k views

Can I disable the cache in Chrome for specific hosts?

I like using Chrome as my everyday browser, as well as for web dev work. I'd like to be able to prevent Chrome from caching anything from localhost (or really, any arbitrary host name) so that I don't ...
8
votes
5answers
2k views

How to recover form information for a webpage in Firefox

I filled out a lengthy form on a webpage which rejected my submission due to a server error. I can't seem to recover the form input. Is there any way in Firefox to look into caches, history, etc. to ...
45
votes
7answers
89k views

How to turn off the Firefox cache?

I'm using Firefox 3.5.2. For some reason, it has cached a page and won't update. For example, I added an alert('test'); statement to some JavaScript code which is loaded on the page, but Firefox ...
7
votes
5answers
54k views

How to Move Offline Files Cache in Windows 7?

On Vista systems, I've been using these instructions to relocate the "Offline Files Cache" from its default location of c:\csc. Works great. However, these instructions do not work on Windows 7. ...
34
votes
9answers
54k views

How can I use my small SSD as a cache for a larger hard disk?

I would like to use a (small) SSD disk as a cache for a large hard disk. I realize there are hardware-based products that do this: HighPoint RocketHybrid HBA, Intel SmartResponse and others. There is ...
16
votes
3answers
34k views

Does hard drive buffer size matter?

These HDDs will be used mostly for backups and data-storage (pictures, movies) which aren't often read. The price difference is 1.5 Euros in the case of these two: HDD Western Digital Caviar Green ...
5
votes
3answers
7k views

How to clear Windows File Cache

For testing purposed I need to clear file cache (for example to measure file operation performance). I found CacheSet from sysinternals, but pressing Clear there doesn't help. A file that I just ...
6
votes
1answer
3k views

RamMap “Empty standby list” drastically speeds up PC. Is there a better way to do this?

Many people are educated on how Windows Memory manager caching work by reading Microsoft white papers, etc. However, there are relatively few documents that describe real-world performance issues ...
5
votes
1answer
293 views

Can I use Intel RST caching on another (i.e. non-OS) hard drive?

Is it possible to cache a (non-OS) HDD with an SSD in RST? I used RST to create a regular RAID volume of 128GB (I had to put the SSD and the HDD in RAID because RST requires it). I want to configure ...
5
votes
2answers
5k views

No Accelerate button/tab on Intel Rapid Storage window

I have an ASUS P8Z68 motherboard with a Corsair SSD as my primary boot drive. I have a TB standard hard drive as a secondary data drive. I am attempting to use an older Intel SSD as a cache on the ...
5
votes
2answers
13k views

How can I delete the thumbnail cache?

I would be very thankful for advice on how to delete the thumb cache files in Windows Vista without a reboot. They are stored in this folder: ...
4
votes
1answer
30k views

How do I clear the cache / history in Windows 7?

In Windows XP there was an option off the task bar properties to clear all recently accessed webpages, recent file lists, ie. cache, temp files and so on; is there an equivalent for Windows 7?
3
votes
1answer
154 views

Which property of CPUs is good for what?

Back in the days clock frequency used to be THE criteria to compare CPUs (or perhaps you had to take into account whether it was a DX or SX). The world was simple back then, but in these fast evolving ...
17
votes
2answers
83k views

Location of Chrome cache on Mac OS X

After a bit of Googling, I'm able to find the location of Chrome cached files on Windows but not on OS X. Would anyone know what the location is for Mac?
7
votes
3answers
3k views

Possible to force all disk activity to RAM?

I want to tell the operating system to stop using my hard disk and only use RAM as a cache instead. Optimally, I want to tell Windows to: a) pre-cache executable images and necessary bootstrap data ...
14
votes
5answers
5k views

Why has the size of L1 cache not increased very much over the last 20 years?

The Intel i486 has 8 KB of L1 cache. The Intel Nehalem has 32 KB L1 instruction cache and 32 KB L1 data cache per core. The amount of L1 cache hasn't increased at nearly the rate the clockrate has ...
7
votes
4answers
2k views

To what extent is size a factor in SSD performance?

To what extent is the size of an SSD a factor in its performance? In my mind, correct me if I'm wrong, a bigger SSD should be, everything else being equal, faster than a smaller one. A bigger SSD ...
5
votes
7answers
13k views

Trying to save a Flash video in my cache - where do temporary Flash files get stored with Firefox?

I am watching a video lecture which seems to be in Adobe Flash and I want to save it. I'm using Firefox to view this website. My about:cache result is below, if that helps. Memory cache device ...
0
votes
5answers
3k views

How do I identify my CPU model?

I have a Intel Xeon CPU at 3.06GHz with 512KB cache size. I was wondering if the on-chip cache for the machine is L1 or L2. Is there a way of knowing that through a Unix command?
7
votes
3answers
385 views

Is storage hierarchy the path of data flow?

I was wondering if CPUs read and write data (almost) always following the hierarchy of storage: CPU <- register <- CPU cache memory <- main memory <- secondary storage ? If without ...
6
votes
3answers
847 views

Windows: Disable caching of large files

I am currently dealing with very large video files, including de/encoding them and copying them around etc. To my surprise Windows attempts to cache these video files, even though there is no point ...
6
votes
2answers
6k views

What does “Write cache buffer flushing” mean

As in the Windows 7 Disk Policy Options: [x] Enable Write Caching on the device [ ] Turn off Windows write-cache buffer flushing on the device Is the first the cache on the physical disk, and the ...
5
votes
5answers
29k views

Why does remote desktop not work for me by computer name, and only by IP?

I have a computer at work that I can only connect to remotely when using the computer's IP address and not when using the computer's name. I can see my computer name is set up correctly as "JoshPC" ...
4
votes
0answers
129 views

How do I evaluate an SSD caching solution for home desktop use?

I've got a 30GB SSD that I would love to start using as a cache for my larger HDDs. I primarily want to improve apparent performance for general desktop use. I do the occasional massive DB migration ...
4
votes
3answers
4k views

Disable linux read and write file cache on partition

How do i disable the linux file cache on a xfs partition (both read an write). We have a xfs partition over a hardware RAID that stores our RAW HD Video. Most of the shoots are 50-300gb each so the ...
2
votes
1answer
1k views

How to play .qtch files?

So I have qtch files that apparently were created with QT 7+ because they can't be played (with QT 7+ or VLC) just by renaming their extension (as fileinfo.com says). Any solution out there ?
2
votes
3answers
498 views

using one disk as cache for others

Given a PC with several hard drives: Is it possible to use one fast disk as a giant file cache? I.e. automatically copying frequently accessed data to that one disk, and transparently redirecting ...
0
votes
1answer
218 views

How can I use SRT to cache a non boot hard drive?

In a comment on my answer to the question Making SSD & HDD work together like a hybrid I was informed that my statement that SRT can only cache a Windows boot drive is no longer valid. I have ...
0
votes
4answers
1k views

Firefox, saving all images from every page so that they are retrievable?

I'm having a bit of trouble finding a way to do this, I know that firefox saves images to a cache file but it is in a gzip archive file that I am unable to unzip (just gives error when I try, I'm ...
6
votes
4answers
15k views

How could I limit or even disable file cache on Windows Server 2008R2?

There is a machine, with a very fast RAID array, and a fast internet connection. But, it only got 8gb of mem, which runs out really quick, when the upload goes up. Any ideas how could I disable, or ...
5
votes
1answer
725 views

How can I keep a file in Windows 7's cache?

Sometimes you know better than Windows what files will be re-used later. Suppose you have 8GB of memory, and you use the same 1GB file every hour in an I/O-bound application (which takes 1 second to ...
3
votes
1answer
243 views

Why do we need multiple levels of cache memory?

In general a cache memory is useful because the speed of the processor is higher than the speed of the ram (they are both increasing in speed but the difference still remains). So reducing the number ...
3
votes
2answers
3k views

Intel Rapid Storage refuses to work (no button in SRT utility)

I've got a fresh Dell Inspiron 15R SE with pre-installed Windows 8, 1Tb HDD and 32Gb SSD on mSATA included by manufacturer specifically for caching purposes and advertised as such. The problem is that ...
3
votes
1answer
1k views

Write caching causes slower performance?

USB 2.0 External WD 2TB Elements HD. Connected to Windows XP SP3 machine, write caching disabled by default. Worked fine. Since it is intended to be a permanent fixture (never removed), and on a UPS ...
2
votes
1answer
144 views

How can you tell when the browser is retrieving from a cache?

Is it possible to tell when a browser is retrieving a page from a cache? I've thought that opening a new tab and directly browsing to the URL would make a fresh pull request from the server, but ...
2
votes
1answer
870 views

Caching YouTube videos across loads

Is there a way to force the browser to cache loaded YouTube videos across page loads? In other words, if you refresh some video page in which the video already started loading (or is fully loaded), ...
2
votes
3answers
757 views

Does web browser uses previously saved cache in private browsing?

All the current versions of top five web browsers support private browsing mode, where they don't save anything as history or cache or cookies. But do they use cache saved from previous normal ...
1
vote
2answers
847 views

What is “Intel Flash Cache” and when should it be used?

If it make a difference I am running VISTA 32 bit. I just found that I need to search for "Turbo Memory Module", on google to get prices etc. Is it faster then a SD flash card? (Given it costs more ...
0
votes
0answers
42 views

Does EnhanceIO supports TRIM on SSD?

Does EnhanceIO supports TRIM on SSD? Or it has own implementation of similar technology?