1000 一 MIMD'SIMD(32b) x-MIMD"SIMD(64 b) A SIMD (32 b) →SMD(64b) HHMIMD 100 10 2003 2007 2011 2015 2019 2023 x86 computers. This figure assumes that two cores per chip for MIMD will be added every two years and the p Figure 4.1 Potential speedup via parallelism from MIMD, SIMD, and both MIMD and SIMD over time for number of operations for SIMd will double every four years 2021/1/29 机体系结构2021/1/29 计算机体系结构 6