What is cache?

[clairvoyant christopher]

What is cache? I see CPU's & programs that offer to speed up your computer by using cache.

 

[mfarrukh]

Cache, pronounced cash, is a temporary storage place inside your computer for frequently or recently accessed data.
or
A cache, in computer terms, is a place to store information that's faster than the place where the information is usually stored. Cache memory is fast memory that is used to hold the most recently accessed data in slower main memory. The idea is that frequently accessed data will stay in cache, which allows the CPU to access it more quickly, which means it doesn't have to wait for the data to arrive.
In reference to your processor, the Cache Memory is the Processor's internal quick-hand storage that it uses for things that it's currently processing at that given time.
As with most things, the more cache memory a processor has, it will usually run smoother and faster than one with less of about the same operating frequency.

 

[clairvoyant christopher]

Best answer selected by clairvoyant christopher.

 

[clairvoyant christopher]

Thank you.

 

[bige420]

lol, Do you ever sign off mfarrukh, seems like you've been on all night and day

 

[warmon6]

lol, Do you ever sign off mfarrukh, seems like you've been on all night and day

Didn't you know he's a robot? :lol:

 

[nau4nik]

Didn't you know he's a robot? :lol:

maybe you too :lol:

 

[warmon6]

maybe you too :lol:

Na. im flesh and bone.

 

[nau4nik]

like ahmed the dead terorrist
http://www.youtube.com/watch?v=1uwOL4rB-go&feature=related

 

[warmon6]

you could say that. :lol:

http://www.youtube.com/watch?v=XCXS_1zFvjk

surprisingly i was at this one i wounder how this person got it past security with that cammera.

Im sure you'll find it funny

 

[randomizer]

As with most things, the more cache memory a processor has, it will usually run smoother and faster than one with less of about the same operating frequency.

Subject to architectural differences of course. Core 2 Quad has a ton of cache but is slower than Core i7 which has less cache. It's pretty safe to compare between CPUs of the same architecture, but outside of that it's like comparing clock speed and assuming a faster clock speed means higher performance

 

[scudst0rm]

On the topic of cache, this is a very interesting watch:

http://www.infoq.com/presentations/click-crash-course-modern-hardware

Caution: Its very long and a little technical. The jist of it is that speed on modern systems is dictated by cache misses (when the cpu cant find the data it wants in cache and has to go to main memory) and how cache mechanisms are becoming increasingly complex.

 

[clairvoyant christopher]

On the topic of cache, this is a very interesting watch:

http://www.infoq.com/presentations/click-crash-course-modern-hardware

Caution: Its very long and a little technical. The jist of it is that speed on modern systems is dictated by cache misses (when the cpu cant find the data it wants in cache and has to go to main memory) and how cache mechanisms are becoming increasingly complex.

Thank you for the video .

 

[clairvoyant christopher]

like ahmed the dead terorrist
http://www.youtube.com/watch?v=1uwOL4rB-go&feature=related

Thank you for sharing that link to the video! It was very funny :lol: