缓存器的容量 - Register File 寄存器 << Cache 缓存器 (SRAM) << Main Memory 内存 (DRAM)。 缓存器的延迟 - Register File 寄存器 << Cache 缓存器 (SRAM) << Main Memory 内存 (DRAM)。 缓存器的带宽 一般来说,缓存器和处理器是在同一块片上系统的(On-Chip),然后,内存和处理器不在,所以,从带宽...
所以可以加一个Write Buffer,类似一个 Queue,可以 Queue-in 要存入内存的数据 好处是,如果有连续的 Store 指令,他们可以在 Write Buffer 里形成一个完整的 Block,然后再存入 Memory 中,而不是每次都要访问内存,这种效果叫做 Write Merging 可以减少 Cache 和 Memory 之间的 Bandwidth 的压力,也能减少 Miss Penalty...
In this paper, we describe how a cache memory simulator can be effectively used to enhance the understanding of cache memories in a computer architecture course. Various types of course assignments that are described in this paper require the use of the simulator to understand effects of varying ...
A hierarchical cache architecture that reduces traffic on a main memory bus while overcoming the disadvantages of prior systems. The architecture includes a plurality of level one caches that are of the store through type, each level one cache is associated with a processor and may be incorporated...
上图是 CPU 性能和 Memory 存储器访问性能的发展。 我们可以看到,随着工艺和设计的演进,CPU 计算性能其实发生了翻天覆地的变化,但是DRAM存储性能的发展没有那么快。 所以造成了一个问题,存储限制了计算的发展。 容量与速度不可兼得。 如何解决这个问题呢?可以从计算访问数据的规律入手。
Cache memory G.R.Wilson, inEmbedded Systems and Computer Architecture, 2002 15.2.1Memory write operations When the microprocessor performs a memory write operation, and the word is not in the cache, the new data is simply written into main memory. However, when the word is in the cache, bo...
Synonyms COMA (Cache-only memory architecture) Definition A Cache-Only Memory Architecture (COMA) is a type of cache-coherent nonuniform memory access (CC-NUMA) architecture. Unlike in a conventional CC-NUMA architecture, in a COMA, every shared-memory module in the machine is a cache, where...
计算机组成与结构:lecture 4 Cache Memory.pdf,Cache Memory Zhao Fang Computer Organization Architecture -for the college students Goal for Today Computer Memory System Overview Cache Memory Principles Elements of Cache Design Pentium 4 and ARM Cache Organ
本文主要内容如下,基本涉及了Cache的概念,工作原理,以及保持一致性的入门内容。 1、为什么需要 Cache 1.1 为什么需要 Cache 我们首先从一张图来开始讲为什么需要 Cache. 上图是 CPU 性能和 Memory 存储器访问性能的发展。 我们可以看到,随着工艺和设计的演进,CPU 计算性能其实发生了翻天覆地的变化,但是DRAM存储性能的...
A cache-based computer architecture is disclosed in which the address generating unit and the tag comparator are packaged together and separately from the cache RAMs. If the architecture supports virtual memory, an address translation unit may be included on the same chip as, and logically between...