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词汇 Unified Memory Architecture
分类 英语词汇 英语翻译词典
释义

Unified Memory Architecture

中文百科

共享内存 Shared memory

(重定向自Unified Memory Architecture)

共享内存,分为两种:

共享内存指在多处理器的计算机系统中,可以被不同中央处理器访问的大容量内存。由于多个CPU需要快速访问存储器,这样就要对存储器进行缓存。由于其他处理器可能也要访问,任一缓存数据更新后,共享内存就需要立即更新,否则不同处理器可能用到不同的数据(参见缓存一致和内存一致)。

共享内存的类似方案有分布内存、分布共享内存,用以解决同类问题。

英语百科

Shared memory 共享内存

(重定向自Unified Memory Architecture)
An illustration of a shared memory system of three processors.
HSA defines a special case of memory sharing, where the MMU of the CPU and the IOMMU of the GPU have an identical pageable virtual address space.

In computer science, shared memory is memory that may be simultaneously accessed by multiple programs with an intent to provide communication among them or avoid redundant copies. Shared memory is an efficient means of passing data between programs. Depending on context, programs may run on a single processor or on multiple separate processors.

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