l2 cache การใช้

• Intel's Pentium III processors have had on-chip L2 cache since last October.
• An L2 cache, which is on the motherboard, talks to the L1.
• As such, most Pentium II mainboards do not include the L2 cache.
• On February 10, 2003, the Athlon XP with 512KB L2 Cache was released.
• Beware of the few systems, mostly home-oriented, that forego L2 cache.
• This is double the L2 cache found on the Turion 64 X2 processor.
• This cartridge-type design houses the processor and L2 cache on a single cartridge.
• The L2 cache is usually not split and is usually shared between cores.
• However, this far faster L2 cache did come with some complications.
• Each CPU core has 64 KB L1 cache and 128 KB L2 cache.
• Any L1 changing must be reported in L2 cache and also in L3.
• This is effectively only if the L1 and L2 cache size are comparable.
• The iMac has a 333-megahertz PowerPC G3 with 512 kilobytes of L2 cache.
• A 256 KB, 512 KB or 1 MB external L2 cache was supported.
• The L2 cache is 12-way set associative and has 256-byte lines.
• It was cheaper to manufacture because of the separate, slower L2 cache memory.
• The important thing is that there be an L2 cache.
• The chips come in two sizes, with 6 MB and 3 MB L2 cache.
• Until now, the L2 cache was on a separate chip.
• The L2 cache was on-die and was 32 KB large.