memory hierarchy

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memory hierarchy

The levels of memory in a computer. From fastest to slowest speed, they are:

1. CPU registers
2. L1 cache
3. L2 cache
4. Main memory
5. Virtual memory
6. Disk

memory hierarchy [′mem·rē ′hī·ər‚är·kē]

(computer science)

A ranking of computer memory devices, with devices having the fastest access time at the top of the hierarchy, and devices with slower access times but larger capacity and lower cost at lower levels.

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Computer storage technology

Designed to make parallel performance easily accessible to programmers, a key feature of the architecture is its compiler-managed memory hierarchy and single-threaded approach.

Stream Processors, Inc. Announces Storm-1 Family of Data-Parallel ... by Business Wire

Accesses to the memory system consume both time and energy, stealing software performance and burning energy by moving data through a complex memory hierarchy.

PowerEscape's New Product Line Enables Rapid Development of High ... by Business Wire

The CT3600 product family integrates up to sixteen SIMD 32-bit DSP engines, eight general-purpose CPUs, 144 programmable I/O pins and a three-tiered memory hierarchy system to accelerate and integrate multimedia infrastructure processing.

Cradle and ActivEye Bring Video Content Analysis Software to Embedded ... by Business Wire

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