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Cache hierarchy, or multi-level cache, is a memory architecture that uses a hierarchy of memory stores based on varying access speeds to cache data. Highly requested data is cached in high-speed access memory stores, allowing swifter access by central processing unit (CPU) cores.
Unlike the case of exclusive cache, where the unique memory capacity is the combined capacity of all caches in the hierarchy. [4] If the size of lower level cache is small and comparable with the size of higher level cache, there is more wasted cache capacity in inclusive caches.
To illustrate both specialization and multi-level caching, here is the cache hierarchy of the K8 core in the AMD Athlon 64 CPU. [59] Cache hierarchy of the K8 core in the AMD Athlon 64 CPU. The K8 has four specialized caches: an instruction cache, an instruction TLB, a data TLB, and a data cache. Each of these caches is specialized:
AMD K6-2 – an improved K6 with the addition of the 3DNow! SIMD instructions. AMD K6-III Sharptooth – a further improved K6 with three levels of cache – 64 KB L1, 256 KB full-speed on-die L2, and a variable (up to 2 MB) L3. AMD K7 Athlon – microarchitecture of the AMD Athlon classic and Athlon XP microprocessors. Was a very advanced ...
In computing, Machine Check Architecture (MCA) is an Intel and AMD mechanism in which the CPU reports hardware errors to the operating system.. Intel's P6 and Pentium 4 family processors, AMD's K7 and K8 family processors, as well as the Itanium architecture implement a machine check architecture that provides a mechanism for detecting and reporting hardware (machine) errors, such as: system ...
Download QR code; Print/export ... [29] processors, the AMD Athlon, Opteron ... EDC/ECC and ECC/ECC are the two most-common cache error-protection techniques used in ...
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Download QR code; Print/export ... Cache Socket Memory Controller Features L1 L2 L3 ... + AMD-V. Clawhammer FX-53, FX-55 2400, 2400 1000 HT