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SPEC 2006 Memory Access Pattern Analysis

0. 总体方法论

  1. 用Gem5跑一遍spec 2006 benchmark中所有的checkpoint(这里为了简单,只做了权重最高的ckpt的分析),按照gem5 trace方法收集L1 miss trace
  2. 绘制全局miss图,查看整体pattern
  3. 找到miss最多的pc, 到汇编进行对应,再找到对应的spec源码,分析pattern

(也可以用linux perf去分析热点函数)

1. INT

2. FP

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