21 static constexpr uint64_t sz = 30; // 该值越大任务平均可并行度越大（平均并发度=sz/9）
22 static constexpr uint64_t iter = 1000000; // 该值越大迭代次数越多（减少测量误差）
23 static constexpr uint64_t depth = 10; // 该值越大子任务平均粒度越大（任务完成时间为泊松分布）（单位：微秒）
25 static inline uint64_t func(uint64_t x, uint64_t y)  in func()
28     uint64_t target = g() % (depth * 20);  in func()
29     uint64_t acc = 0;  in func()
36 static inline void GenerateIndexes(std::mt19937_64& rnd, uint64_t(idx)[3])  in GenerateIndexes()
41         for (uint64_t i = 0; i < 3; i++) {  in GenerateIndexes()
43             for (uint64_t z = 0; z < i; z++) {  in GenerateIndexes()
52 static uint64_t BenchmarkNative()  in BenchmarkNative()
54     uint64_t* arr = new uint64_t[sz];  in BenchmarkNative()
57     for (uint64_t i = 0; i < sz; i++) {  in BenchmarkNative()
63     for (uint64_t i = 0; i < iter; i++) {  in BenchmarkNative()
65         uint64_t idx[3] = {};  in BenchmarkNative()
74     uint64_t hash = 14695981039346656037ULL;  in BenchmarkNative()
75     for (uint64_t i = 0; i < sz; i++) {  in BenchmarkNative()
82 static uint64_t BenchmarkFFRT()  in BenchmarkFFRT()
84     uint64_t* arr = new uint64_t[sz];  in BenchmarkFFRT()
87     for (uint64_t i = 0; i < sz; i++) {  in BenchmarkFFRT()
92     for (uint64_t i = 0; i < iter; i++) {  in BenchmarkFFRT()
94         uint64_t idx[3] = {};  in BenchmarkFFRT()
105     uint64_t hash = 14695981039346656037ULL;  in BenchmarkFFRT()
106     for (uint64_t i = 0; i < sz; i++) {  in BenchmarkFFRT()