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If you have L2 cache do you have L1 cache also?

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a b à CPUs
September 23, 2010 3:38:16 AM

I have L2 cache and know that that is the 2nd thing the cpu searches for and L1 cache is the 1st. If I have L2 cache do I have L1 cache also, and if you have L3 cache do you have L1, L2, and L3 cache?

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a b à CPUs
September 23, 2010 4:47:01 AM

Your L1 cache is the fastest cache. But it is also the smallest cache.
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September 23, 2010 7:21:08 AM

Here is the definitions of th L Cache setup:

Level 1, L1 Cache is a special block of memory within the processor that is used to store data which manipulates the system into believing it will have access again.

Level 2, L2 Cache is a secondary external cache which is used in case the CPU cannot locate the data from the internal cache.

Level 3, L3 cache can be far larger than L1 and L2, and even though it’s also slower, it’s still a lot faster than fetching from RAM.

If your CPU only states L1 and L2 caches then thats all you got
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a b à CPUs
September 23, 2010 4:40:23 PM

So I have an Athlon II X3 440 which says L2 cache, which mean I have L1 and L2 cache right?
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a b à CPUs
September 23, 2010 4:48:43 PM

Yes
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a b à CPUs
September 23, 2010 4:57:55 PM

Thank you.
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