hw04(gcc) #45
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hw04(gcc) #45
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目标，优化热区中step()
1,for循环中的int修改为size_t，并打开#pragma GCC ivdep
2,sqrt()改为std::sqrt()
3,循环中的常量尽量调整到函数外
4,打开-o3 -ffast-math -march=native -fopenmp