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430 lines
12 KiB
430 lines
12 KiB
#include <fmt/core.h>
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#include <string>
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#include <fuc2/testing.hpp>
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#include "stats.hpp"
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using namespace fuc2;
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namespace perf_tests {
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struct LargeSOA {
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std::vector<int> a01;
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std::vector<int> a02;
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std::vector<int> a03;
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std::vector<int> a04;
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std::vector<int> a05;
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std::vector<int> a06;
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std::vector<int> a07;
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std::vector<int> a08;
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std::vector<int> a09;
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std::vector<int> a10;
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std::vector<int> a11;
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std::vector<int> a12;
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std::vector<int> a13;
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std::vector<int> a14;
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std::vector<int> a15;
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std::vector<int> a16;
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std::vector<int> a17;
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std::vector<int> a18;
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std::vector<int> a19;
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std::vector<int> a20;
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void push_back(int x) {
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a01.push_back(x);
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a02.push_back(x);
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a03.push_back(x);
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a04.push_back(x);
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a05.push_back(x);
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a06.push_back(x);
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a07.push_back(x);
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a08.push_back(x);
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a09.push_back(x);
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a10.push_back(x);
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a11.push_back(x);
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a12.push_back(x);
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a13.push_back(x);
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a14.push_back(x);
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a15.push_back(x);
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a16.push_back(x);
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a17.push_back(x);
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a18.push_back(x);
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a19.push_back(x);
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a20.push_back(x);
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}
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};
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struct LargeStruct {
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int a01;
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int a02;
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int a03;
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int a04;
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int a05;
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int a06;
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int a07;
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int a08;
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int a09;
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int a10;
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int a11;
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int a12;
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int a13;
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int a14;
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int a15;
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int a16;
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int a17;
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int a18;
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int a19;
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int a20;
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LargeStruct(int x) :
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a01(x),
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a02(x),
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a03(x),
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a04(x),
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a05(x),
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a06(x),
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a07(x),
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a08(x),
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a09(x),
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a10(x),
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a11(x),
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a12(x),
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a13(x),
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a14(x),
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a15(x),
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a16(x),
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a17(x),
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a18(x),
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a19(x),
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a20(x) {}
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};
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struct S1 {
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int a01;
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int a02;
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int a03;
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int a04;
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S1(int x) : a01(x), a02(x), a03(x), a04(x) { }
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};
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struct S2 {
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int a05;
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int a06;
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int a07;
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int a08;
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S2(int x) : a05(x), a06(x), a07(x), a08(x) { }
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};
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struct S3 {
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int a09;
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int a10;
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int a11;
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int a12;
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S3(int x) : a09(x), a10(x), a11(x), a12(x) { }
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};
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struct S4 {
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int a13;
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int a14;
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int a15;
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int a16;
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S4(int x) : a13(x), a14(x), a15(x), a16(x) { }
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};
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struct S5 {
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int a17;
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int a18;
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int a19;
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int a20;
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S5(int x) : a17(x), a18(x), a19(x), a20(x) { }
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};
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struct MultipleSOA {
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std::vector<S1> s1;
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std::vector<S2> s2;
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std::vector<S3> s3;
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std::vector<S4> s4;
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std::vector<S5> s5;
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void push_back(int x) {
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s1.push_back({x});
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s2.push_back({x});
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s3.push_back({x});
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s4.push_back({x});
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s5.push_back({x});
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}
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};
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struct Samples {
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std::vector<Stats> soa_big_for;
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std::vector<Stats> soa_many_for;
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std::vector<Stats> ls_big_for;
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std::vector<Stats> ls_many_for;
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std::vector<Stats> moa_big_for;
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std::vector<Stats> moa_many_for;
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};
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void test_large_soa(Samples& samples, int sample_size, int sample_number) {
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auto soa = new LargeSOA();
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for(int i = 0; i < sample_size; i++) {
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soa->push_back(i);
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}
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Stats big_for;
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for(int i = 0; i < sample_number; i++) {
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auto start = big_for.time_start();
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for(int i = 0; i < sample_size; i++) {
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soa->a01[i] += soa->a02[i] + i;
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soa->a02[i] += soa->a03[i] + i;
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soa->a03[i] += soa->a04[i] + i;
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soa->a04[i] += soa->a05[i] + i;
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soa->a05[i] += soa->a06[i] + i;
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soa->a06[i] += soa->a07[i] + i;
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soa->a07[i] += soa->a08[i] + i;
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soa->a08[i] += soa->a09[i] + i;
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soa->a09[i] += soa->a10[i] + i;
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soa->a10[i] += soa->a11[i] + i;
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soa->a11[i] += soa->a12[i] + i;
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soa->a12[i] += soa->a13[i] + i;
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soa->a13[i] += soa->a14[i] + i;
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soa->a14[i] += soa->a15[i] + i;
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soa->a15[i] += soa->a16[i] + i;
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soa->a16[i] += soa->a17[i] + i;
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soa->a17[i] += soa->a18[i] + i;
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soa->a18[i] += soa->a19[i] + i;
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soa->a19[i] += soa->a20[i] + i;
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}
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big_for.sample_time(start);
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}
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samples.soa_big_for.push_back(big_for);
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Stats many_for;
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for(int i = 0; i < sample_number; i++) {
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auto start = many_for.time_start();
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for(int i = 0; i < sample_size; i++) soa->a01[i] += soa->a02[i] + i;
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for(int i = 0; i < sample_size; i++) soa->a02[i] += soa->a03[i] + i;
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for(int i = 0; i < sample_size; i++) soa->a03[i] += soa->a04[i] + i;
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for(int i = 0; i < sample_size; i++) soa->a04[i] += soa->a05[i] + i;
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for(int i = 0; i < sample_size; i++) soa->a05[i] += soa->a06[i] + i;
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for(int i = 0; i < sample_size; i++) soa->a06[i] += soa->a07[i] + i;
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for(int i = 0; i < sample_size; i++) soa->a07[i] += soa->a08[i] + i;
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for(int i = 0; i < sample_size; i++) soa->a08[i] += soa->a09[i] + i;
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for(int i = 0; i < sample_size; i++) soa->a09[i] += soa->a10[i] + i;
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for(int i = 0; i < sample_size; i++) soa->a10[i] += soa->a11[i] + i;
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for(int i = 0; i < sample_size; i++) soa->a11[i] += soa->a12[i] + i;
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for(int i = 0; i < sample_size; i++) soa->a12[i] += soa->a13[i] + i;
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for(int i = 0; i < sample_size; i++) soa->a13[i] += soa->a14[i] + i;
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for(int i = 0; i < sample_size; i++) soa->a14[i] += soa->a15[i] + i;
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for(int i = 0; i < sample_size; i++) soa->a15[i] += soa->a16[i] + i;
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for(int i = 0; i < sample_size; i++) soa->a16[i] += soa->a17[i] + i;
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for(int i = 0; i < sample_size; i++) soa->a17[i] += soa->a18[i] + i;
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for(int i = 0; i < sample_size; i++) soa->a18[i] += soa->a19[i] + i;
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for(int i = 0; i < sample_size; i++) soa->a19[i] += soa->a20[i] + i;
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many_for.sample_time(start);
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}
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samples.soa_many_for.push_back(many_for);
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}
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void test_large_struct(Samples& samples, int sample_size, int sample_number) {
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auto ls = new std::vector<LargeStruct>;
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for(int i = 0; i < sample_size; i++) {
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ls->push_back({i});
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}
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Stats ls_big_for;
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for(int i = 0; i < sample_number; i++) {
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auto start = ls_big_for.time_start();
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for(auto& el : *ls) {
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el.a01 += el.a02 + i;
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el.a02 += el.a03 + i;
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el.a03 += el.a04 + i;
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el.a04 += el.a05 + i;
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el.a05 += el.a06 + i;
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el.a06 += el.a07 + i;
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el.a07 += el.a08 + i;
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el.a08 += el.a09 + i;
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el.a09 += el.a10 + i;
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el.a10 += el.a11 + i;
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el.a11 += el.a12 + i;
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el.a12 += el.a13 + i;
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el.a13 += el.a14 + i;
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el.a14 += el.a15 + i;
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el.a15 += el.a16 + i;
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el.a16 += el.a17 + i;
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el.a17 += el.a18 + i;
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el.a18 += el.a19 + i;
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el.a19 += el.a20 + i;
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}
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ls_big_for.sample_time(start);
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}
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samples.ls_big_for.push_back(ls_big_for);
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Stats ls_many_for;
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for(int i = 0; i < sample_number; i++) {
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auto start = ls_many_for.time_start();
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for(auto& el : *ls) el.a01 += el.a02 + i;
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for(auto& el : *ls) el.a02 += el.a03 + i;
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for(auto& el : *ls) el.a03 += el.a04 + i;
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for(auto& el : *ls) el.a04 += el.a05 + i;
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for(auto& el : *ls) el.a05 += el.a06 + i;
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for(auto& el : *ls) el.a06 += el.a07 + i;
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for(auto& el : *ls) el.a07 += el.a08 + i;
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for(auto& el : *ls) el.a08 += el.a09 + i;
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for(auto& el : *ls) el.a09 += el.a10 + i;
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for(auto& el : *ls) el.a10 += el.a11 + i;
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for(auto& el : *ls) el.a11 += el.a12 + i;
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for(auto& el : *ls) el.a12 += el.a13 + i;
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for(auto& el : *ls) el.a13 += el.a14 + i;
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for(auto& el : *ls) el.a14 += el.a15 + i;
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for(auto& el : *ls) el.a15 += el.a16 + i;
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for(auto& el : *ls) el.a16 += el.a17 + i;
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for(auto& el : *ls) el.a17 += el.a18 + i;
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for(auto& el : *ls) el.a18 += el.a19 + i;
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for(auto& el : *ls) el.a19 += el.a20 + i;
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ls_many_for.sample_time(start);
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}
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samples.ls_many_for.push_back(ls_many_for);
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}
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void test_moa_style(Samples& samples, int sample_size, int sample_number) {
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auto moa = new MultipleSOA();
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for(int i = 0; i < sample_size; i++) {
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moa->push_back(i);
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}
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Stats moa_big_for;
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for(int i = 0; i < sample_number; i++) {
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auto start = moa_big_for.time_start();
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for(int i = 0; i < sample_size; i++) {
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moa->s1[i].a01 += moa->s1[i].a02 + i;
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moa->s1[i].a02 += moa->s1[i].a03 + i;
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moa->s1[i].a03 += moa->s1[i].a04 + i;
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moa->s1[i].a04 += moa->s2[i].a05 + i;
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moa->s2[i].a05 += moa->s2[i].a06 + i;
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moa->s2[i].a06 += moa->s2[i].a07 + i;
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moa->s2[i].a07 += moa->s2[i].a08 + i;
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moa->s2[i].a08 += moa->s3[i].a09 + i;
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moa->s3[i].a09 += moa->s3[i].a10 + i;
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moa->s3[i].a10 += moa->s3[i].a11 + i;
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moa->s3[i].a11 += moa->s3[i].a12 + i;
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moa->s3[i].a12 += moa->s4[i].a13 + i;
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moa->s4[i].a13 += moa->s4[i].a14 + i;
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moa->s4[i].a14 += moa->s4[i].a15 + i;
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moa->s4[i].a15 += moa->s4[i].a16 + i;
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moa->s4[i].a16 += moa->s5[i].a17 + i;
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moa->s5[i].a17 += moa->s5[i].a18 + i;
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moa->s5[i].a18 += moa->s5[i].a19 + i;
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moa->s5[i].a19 += moa->s5[i].a20 + i;
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}
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moa_big_for.sample_time(start);
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}
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samples.moa_big_for.push_back(moa_big_for);
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Stats moa_many_for;
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for(int i = 0; i < sample_number; i++) {
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auto start = moa_many_for.time_start();
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for(auto& el : moa->s1) {
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el.a01 += el.a02 + i;
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el.a02 += el.a03 + i;
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el.a03 += el.a04 + i;
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}
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for(int i = 0; i < sample_size; i++) {
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moa->s1[i].a04 += moa->s2[i].a05 + i;
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}
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for(auto& el : moa->s2) {
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el.a05 += el.a06 + i;
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el.a06 += el.a07 + i;
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el.a07 += el.a08 + i;
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}
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for(int i = 0; i < sample_size; i++) {
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moa->s2[i].a08 += moa->s3[i].a09 + i;
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}
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for(auto& el : moa->s3) {
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el.a09 += el.a10 + i;
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el.a10 += el.a11 + i;
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el.a11 += el.a12 + i;
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}
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for(int i = 0; i < sample_size; i++) {
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moa->s3[i].a12 += moa->s4[i].a13 + i;
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}
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for(auto& el : moa->s4) {
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el.a13 += el.a14 + i;
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el.a14 += el.a15 + i;
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el.a15 += el.a16 + i;
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}
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for(int i = 0; i < sample_size; i++) {
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moa->s4[i].a16 += moa->s5[i].a17 + i;
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}
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for(auto& el : moa->s5) {
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el.a17 += el.a18 + i;
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el.a18 += el.a19 + i;
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el.a19 += el.a20 + i;
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}
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moa_many_for.sample_time(start);
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}
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samples.moa_many_for.push_back(moa_many_for);
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}
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void test_soa_performance() {
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Samples samples;
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int sample_size = 1000;
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int sample_count = 1000;
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for(int i = 0; i < 100; i++) {
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// quick and dirty "randomness"
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if(i % 2 == 0) {
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test_large_soa(samples, sample_size, sample_count);
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test_large_struct(samples, sample_size, sample_count);
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test_moa_style(samples, sample_count, sample_count);
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} else if(i % 3 == 0) {
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test_large_struct(samples, sample_size, sample_count);
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test_large_soa(samples, sample_size, sample_count);
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test_moa_style(samples, sample_count, sample_count);
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} else {
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test_moa_style(samples, sample_count, sample_count);
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test_large_struct(samples, sample_size, sample_count);
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test_large_soa(samples, sample_size, sample_count);
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}
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}
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fmt::println("soa_bf soa_mf ls_bf ls_mf moa_bf moa_mf");
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for(size_t i = 0; i < samples.soa_big_for.size(); i++) {
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fmt::println("{:.2f} {:.2f} {:.2f} {:.2f} {:.2f} {:.2f}",
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samples.soa_big_for[i].mean(),
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samples.soa_many_for[i].mean(),
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samples.ls_big_for[i].mean(),
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samples.ls_many_for[i].mean(),
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samples.moa_big_for[i].mean(),
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samples.moa_many_for[i].mean());
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}
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}
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fuc2::Set TESTS{
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.name="perf",
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.tests={
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TEST(test_soa_performance),
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}
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};
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}
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