From b429ee47d82ebb8f033edfe739d6cf3d4f006d39 Mon Sep 17 00:00:00 2001
From: "Zed A. Shaw" <zed.shaw@gmail.com>
Date: Sat, 1 Aug 2026 11:47:54 -0400
Subject: [PATCH] Changes from before AGS where I was adding Lua perf tests but
 not magic_stats yet.

---
 Makefile                 |   5 +-
 meson.build              |   1 +
 tests/data.hpp           | 150 +++++++++++++++++++++++++++++++++
 tests/lua_perf_tests.cpp | 136 ++++++++++++++++++++++++++++++
 tests/main.cpp           |   2 +
 tests/perf_tests.cpp     | 178 +++++----------------------------------
 tests/soa_tests.cpp      |   2 -
 7 files changed, 312 insertions(+), 162 deletions(-)
 create mode 100644 tests/data.hpp
 create mode 100644 tests/lua_perf_tests.cpp

diff --git a/Makefile b/Makefile
index 28f2cb8..0e7fb21 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-all: build test
+all: build test_perf
 
 reset:
 ifeq '$(OS)' 'Windows_NT'
@@ -18,6 +18,9 @@ debug_build:
 	meson setup --wipe builddir -Db_ndebug=true --buildtype debugoptimized
 	meson compile -j 10 -C builddir
 
+test_perf: build
+	./builddir/sol2_test -m "perf"
+
 test: build
 	./builddir/sol2_test
 
diff --git a/meson.build b/meson.build
index 2adff3d..addbd9c 100644
--- a/meson.build
+++ b/meson.build
@@ -32,6 +32,7 @@ executable('sol2_test', [
   'tests/bao_tests.cpp',
   'tests/soa_tests.cpp',
   'tests/perf_tests.cpp',
+  'tests/lua_perf_tests.cpp',
   'src/stats.cpp',
   'tests/main.cpp',
   ],
diff --git a/tests/data.hpp b/tests/data.hpp
new file mode 100644
index 0000000..bb82a38
--- /dev/null
+++ b/tests/data.hpp
@@ -0,0 +1,150 @@
+#pragma once
+
+struct LargeSOA {
+  std::vector<int> a01;
+  std::vector<int> a02;
+  std::vector<int> a03;
+  std::vector<int> a04;
+  std::vector<int> a05;
+  std::vector<int> a06;
+  std::vector<int> a07;
+  std::vector<int> a08;
+  std::vector<int> a09;
+  std::vector<int> a10;
+  std::vector<int> a11;
+  std::vector<int> a12;
+  std::vector<int> a13;
+  std::vector<int> a14;
+  std::vector<int> a15;
+  std::vector<int> a16;
+  std::vector<int> a17;
+  std::vector<int> a18;
+  std::vector<int> a19;
+  std::vector<int> a20;
+
+  void push_back(int x) {
+    a01.push_back(x);
+    a02.push_back(x);
+    a03.push_back(x);
+    a04.push_back(x);
+    a05.push_back(x);
+    a06.push_back(x);
+    a07.push_back(x);
+    a08.push_back(x);
+    a09.push_back(x);
+    a10.push_back(x);
+    a11.push_back(x);
+    a12.push_back(x);
+    a13.push_back(x);
+    a14.push_back(x);
+    a15.push_back(x);
+    a16.push_back(x);
+    a17.push_back(x);
+    a18.push_back(x);
+    a19.push_back(x);
+    a20.push_back(x);
+  }
+};
+
+struct LargeStruct {
+  int a01;
+  int a02;
+  int a03;
+  int a04;
+  int a05;
+  int a06;
+  int a07;
+  int a08;
+  int a09;
+  int a10;
+  int a11;
+  int a12;
+  int a13;
+  int a14;
+  int a15;
+  int a16;
+  int a17;
+  int a18;
+  int a19;
+  int a20;
+
+  LargeStruct(int x) :
+    a01(x),
+    a02(x),
+    a03(x),
+    a04(x),
+    a05(x),
+    a06(x),
+    a07(x),
+    a08(x),
+    a09(x),
+    a10(x),
+    a11(x),
+    a12(x),
+    a13(x),
+    a14(x),
+    a15(x),
+    a16(x),
+    a17(x),
+    a18(x),
+    a19(x),
+    a20(x) {}
+};
+
+
+struct S1 {
+  int a01;
+  int a02;
+  int a03;
+  int a04;
+
+  S1(int x) : a01(x), a02(x), a03(x), a04(x) { }
+};
+
+struct S2 {
+  int a05;
+  int a06;
+  int a07;
+  int a08;
+  S2(int x) : a05(x), a06(x), a07(x), a08(x) { }
+};
+
+struct S3 {
+  int a09;
+  int a10;
+  int a11;
+  int a12;
+  S3(int x) : a09(x), a10(x), a11(x), a12(x) { }
+};
+
+struct S4 {
+  int a13;
+  int a14;
+  int a15;
+  int a16;
+  S4(int x) : a13(x), a14(x), a15(x), a16(x) { }
+};
+
+struct S5 {
+  int a17;
+  int a18;
+  int a19;
+  int a20;
+  S5(int x) : a17(x), a18(x), a19(x), a20(x) { }
+};
+
+struct MultipleAOS {
+  std::vector<S1> s1;
+  std::vector<S2> s2;
+  std::vector<S3> s3;
+  std::vector<S4> s4;
+  std::vector<S5> s5;
+
+  void push_back(int x) {
+    s1.push_back({x});
+    s2.push_back({x});
+    s3.push_back({x});
+    s4.push_back({x});
+    s5.push_back({x});
+  }
+};
diff --git a/tests/lua_perf_tests.cpp b/tests/lua_perf_tests.cpp
new file mode 100644
index 0000000..bca83f1
--- /dev/null
+++ b/tests/lua_perf_tests.cpp
@@ -0,0 +1,136 @@
+#include <fmt/core.h>
+#include <string>
+#include <fuc2/testing.hpp>
+#include "stats.hpp"
+#include "data.hpp"
+#define SOL_ALL_SAFETIES_ON 1
+#include <sol/sol.hpp>
+
+using namespace fuc2;
+
+namespace lua_perf_tests {
+  struct Samples {
+    std::vector<Stats> maos_many_for;
+    std::vector<Stats> lua_many_for;
+  };
+
+  void test_maos_performance(Samples& samples, int sample_size, int sample_number) {
+    auto maos = new MultipleAOS();
+
+    for(int i = 0; i < sample_size; i++) {
+      maos->push_back(i);
+    }
+
+    Stats maos_many_for;
+    for(int sample = 0; sample < sample_number; sample++) {
+      auto start = maos_many_for.time_start();
+
+      for(auto& el : maos->s1) {
+        el.a01 += el.a02 + sample;
+        el.a02 += el.a03 + sample;
+        el.a03 += el.a04 + sample;
+      }
+
+      for(auto& el : maos->s2) {
+        el.a05 += el.a06 + sample;
+        el.a06 += el.a07 + sample;
+        el.a07 += el.a08 + sample;
+      }
+
+      for(auto& el : maos->s3) {
+        el.a09 += el.a10 + sample;
+        el.a10 += el.a11 + sample;
+        el.a11 += el.a12 + sample;
+      }
+
+      for(auto& el : maos->s4) {
+        el.a13 += el.a14 + sample;
+        el.a14 += el.a15 + sample;
+        el.a15 += el.a16 + sample;
+      }
+
+      for(auto& el : maos->s5) {
+        el.a17 += el.a18 + sample;
+        el.a18 += el.a19 + sample;
+        el.a19 += el.a20 + sample;
+      }
+
+      maos_many_for.sample_time(start);
+    }
+
+    samples.maos_many_for.push_back(maos_many_for);
+  }
+
+  void test_lua_maos_perf(Samples& samples, int sample_size, int sample_number) {
+    sol::state lua;
+    lua.open_libraries(sol::lib::base);
+
+    auto maos = new MultipleAOS();
+
+    for(int i = 0; i < sample_size; i++) {
+      maos->push_back(i);
+    }
+
+    // setup lua for MOAS
+    lua.new_usertype<S1>("S1",
+        "a01", &S1::a01,
+        "a02", &S1::a02,
+        "a03", &S1::a03,
+        "a04", &S1::a04);
+
+    lua.script(R"(
+      function effed_handler(v, size, sample)
+        for i = 1,size,1 do
+          v[i].a01 = v[i].a01 + v[i].a02 + sample
+          v[i].a02 = v[i].a02 + v[i].a03 + sample
+          v[i].a03 = v[i].a03 + v[i].a04 + sample
+        end
+      end
+
+      function handler(v, sample)
+        v.a01 = v.a01 + v.a02 + sample
+        v.a02 = v.a02 + v.a03 + sample
+        v.a03 = v.a03 + v.a04 + sample
+      end
+    )");
+
+    sol::function handler = lua["handler"];
+
+    Stats lua_many_for;
+    for(int sample = 0; sample < sample_number; sample++) {
+      auto start = lua_many_for.time_start();
+
+      for(auto& el : maos->s1) {
+        handler(el, sample);
+      }
+
+      lua_many_for.sample_time(start);
+    }
+
+    samples.lua_many_for.push_back(lua_many_for);
+  }
+
+  void test_all_performance() {
+    Samples samples;
+    int sample_size = 100;
+    int sample_count = 100;
+
+    for(int i = 0; i < 10; i++) {
+      test_maos_performance(samples, sample_size, sample_count);
+      test_lua_maos_perf(samples, sample_size, sample_count);
+    }
+
+    for(size_t i = 0; i < samples.maos_many_for.size(); i++) {
+      fmt::println("{:.2f} {:.2f}",
+          samples.maos_many_for[i].mean(),
+          samples.lua_many_for[i].mean());
+    }
+  }
+
+  fuc2::Set TESTS{
+    .name="lua_perf",
+      .tests={
+        TEST(test_all_performance),
+      }
+  };
+}
diff --git a/tests/main.cpp b/tests/main.cpp
index 4b8932f..14e96bb 100644
--- a/tests/main.cpp
+++ b/tests/main.cpp
@@ -4,6 +4,7 @@ TEST_SET(sol2_tests);
 TEST_SET(bao_tests);
 TEST_SET(soa_tests);
 TEST_SET(perf_tests);
+TEST_SET(lua_perf_tests);
 
 using namespace fuc2;
 
@@ -13,6 +14,7 @@ int main(int argc, char* argv[]) {
     bao_tests::TESTS,
     soa_tests::TESTS,
     perf_tests::TESTS,
+    lua_perf_tests::TESTS,
   };
 
   return run_tests(tests, argc, argv);
diff --git a/tests/perf_tests.cpp b/tests/perf_tests.cpp
index 4f46485..3b7c117 100644
--- a/tests/perf_tests.cpp
+++ b/tests/perf_tests.cpp
@@ -2,159 +2,11 @@
 #include <string>
 #include <fuc2/testing.hpp>
 #include "stats.hpp"
+#include "data.hpp"
 
 using namespace fuc2;
 
 namespace perf_tests {
-  struct LargeSOA {
-    std::vector<int> a01;
-    std::vector<int> a02;
-    std::vector<int> a03;
-    std::vector<int> a04;
-    std::vector<int> a05;
-    std::vector<int> a06;
-    std::vector<int> a07;
-    std::vector<int> a08;
-    std::vector<int> a09;
-    std::vector<int> a10;
-    std::vector<int> a11;
-    std::vector<int> a12;
-    std::vector<int> a13;
-    std::vector<int> a14;
-    std::vector<int> a15;
-    std::vector<int> a16;
-    std::vector<int> a17;
-    std::vector<int> a18;
-    std::vector<int> a19;
-    std::vector<int> a20;
-
-    void push_back(int x) {
-      a01.push_back(x);
-      a02.push_back(x);
-      a03.push_back(x);
-      a04.push_back(x);
-      a05.push_back(x);
-      a06.push_back(x);
-      a07.push_back(x);
-      a08.push_back(x);
-      a09.push_back(x);
-      a10.push_back(x);
-      a11.push_back(x);
-      a12.push_back(x);
-      a13.push_back(x);
-      a14.push_back(x);
-      a15.push_back(x);
-      a16.push_back(x);
-      a17.push_back(x);
-      a18.push_back(x);
-      a19.push_back(x);
-      a20.push_back(x);
-    }
-  };
-
-  struct LargeStruct {
-    int a01;
-    int a02;
-    int a03;
-    int a04;
-    int a05;
-    int a06;
-    int a07;
-    int a08;
-    int a09;
-    int a10;
-    int a11;
-    int a12;
-    int a13;
-    int a14;
-    int a15;
-    int a16;
-    int a17;
-    int a18;
-    int a19;
-    int a20;
-
-    LargeStruct(int x) :
-      a01(x),
-      a02(x),
-      a03(x),
-      a04(x),
-      a05(x),
-      a06(x),
-      a07(x),
-      a08(x),
-      a09(x),
-      a10(x),
-      a11(x),
-      a12(x),
-      a13(x),
-      a14(x),
-      a15(x),
-      a16(x),
-      a17(x),
-      a18(x),
-      a19(x),
-      a20(x) {}
-  };
-
-
-  struct S1 {
-    int a01;
-    int a02;
-    int a03;
-    int a04;
-
-    S1(int x) : a01(x), a02(x), a03(x), a04(x) { }
-  };
-
-  struct S2 {
-    int a05;
-    int a06;
-    int a07;
-    int a08;
-    S2(int x) : a05(x), a06(x), a07(x), a08(x) { }
-  };
-
-  struct S3 {
-    int a09;
-    int a10;
-    int a11;
-    int a12;
-    S3(int x) : a09(x), a10(x), a11(x), a12(x) { }
-  };
-
-  struct S4 {
-    int a13;
-    int a14;
-    int a15;
-    int a16;
-    S4(int x) : a13(x), a14(x), a15(x), a16(x) { }
-  };
-
-  struct S5 {
-    int a17;
-    int a18;
-    int a19;
-    int a20;
-    S5(int x) : a17(x), a18(x), a19(x), a20(x) { }
-  };
-
-  struct MultipleAOS {
-    std::vector<S1> s1;
-    std::vector<S2> s2;
-    std::vector<S3> s3;
-    std::vector<S4> s4;
-    std::vector<S5> s5;
-
-    void push_back(int x) {
-      s1.push_back({x});
-      s2.push_back({x});
-      s3.push_back({x});
-      s4.push_back({x});
-      s5.push_back({x});
-    }
-  };
-
   struct Samples {
     std::vector<Stats> soa_big_for;
     std::vector<Stats> soa_many_for;
@@ -431,7 +283,7 @@ namespace perf_tests {
     int sample_size = 100;
     int sample_count = 100;
 
-    for(int i = 0; i < 100; i++) {
+    for(int i = 0; i < 10; i++) {
       // quick and dirty "randomness"
       if(i % 2 == 0) {
         test_large_soa(samples, sample_size, sample_count);
@@ -480,24 +332,32 @@ namespace perf_tests {
       maos_many_for_2.sample(samples.maos_many_for_2[i].mean());
     }
 
+    soa_big_for.dump("soa_big_for");
+    soa_many_for.dump("soa_many_for");
+    ls_big_for.dump("ls_big_for");
+    ls_many_for.dump("ls_many_for");
+    maos_big_for.dump("maos_big_for");
+    maos_many_for.dump("maos_many_for");
+    maos_many_for_2.dump("maos_many_for_2");
+
     // totally not sure if this t-test is legit, must study more
     soa_big_for.t_test(ls_big_for);
     soa_big_for.t_test(maos_big_for);
 
-    soa_many_for.t_test(ls_many_for);
-    soa_many_for.t_test(maos_many_for);
+    // soa_many_for.t_test(ls_many_for);
+    // soa_many_for.t_test(maos_many_for);
 
-    ls_many_for.t_test(maos_many_for);
-    ls_big_for.t_test(maos_big_for);
+    // ls_many_for.t_test(maos_many_for);
+    // ls_big_for.t_test(maos_big_for);
 
-    // the most pathologic case
-    fmt::println("---- {}", soa_big_for.mean() - ls_many_for.mean());
-    soa_big_for.t_test(ls_many_for);
+    // // the most pathologic case
+    // fmt::println("---- {}", soa_big_for.mean() - ls_many_for.mean());
+    // soa_big_for.t_test(ls_many_for);
 
-    fmt::println("--- MAOS many_for vs many_for_2");
+    // fmt::println("--- MAOS many_for vs many_for_2");
     maos_many_for.t_test(maos_many_for_2);
 
-    fmt::println("--- MAOS big_for vs many_for_2");
+    // fmt::println("--- MAOS big_for vs many_for_2");
     maos_big_for.t_test(maos_many_for_2);
   }
 
diff --git a/tests/soa_tests.cpp b/tests/soa_tests.cpp
index 9c00d66..bf2d283 100644
--- a/tests/soa_tests.cpp
+++ b/tests/soa_tests.cpp
@@ -10,8 +10,6 @@ using namespace fuc2;
 
 namespace soa_tests {
 
-
-
   struct SOAStyle {
     std::vector<std::string> name;
     std::vector<int> hp;