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@Uuq114 Uuq114 commented Feb 25, 2022

系统配置
Intel(R) Xeon(R) Platinum 8269CY CPU @ 2.50GHz

优化结果
=================Baseline=================
Time elapsed: 1963 ms
=================Optimize=================
Initial energy: -13.414013
Final energy: -13.356913
Time elapsed: 300 ms

使用方法

  • 改为size_t
  • 函数改为static
  • unroll
  • 提取代数式中的不变量
  • alignas(32)
  • SOA,改float[]
  • 除法变乘法
  • #pragma GCC ivdep
  • 改frand()返回值为tuple

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