auto-generated benchmarks!

cpp/bench/CMakeLists.txt

@@ -73,3 +73,13 @@ target_include_directories(jl-bench-complex1 SYSTEM PRIVATE
 
 configure_file(${CMAKE_SOURCE_DIR}/bench/src/complex1.json ${CMAKE_BINARY_DIR}/bench/complex1.json COPYONLY)
 target_link_libraries(jl-bench-complex1 PRIVATE jsonlogic faker-cxx)
+
+add_executable(jl-bench-simple-and src/benchmark-simple-and.cpp)
+target_compile_options(jl-bench-simple-and PRIVATE -O3)
+target_include_directories(jl-bench-simple-and SYSTEM PRIVATE
+    ${CMAKE_CURRENT_SOURCE_DIR}/../bench/include
+    ${CMAKE_CURRENT_SOURCE_DIR}/../include
+)
+
+configure_file(${CMAKE_SOURCE_DIR}/bench/src/simple-and.json ${CMAKE_BINARY_DIR}/bench/simple-and.json COPYONLY)
+target_link_libraries(jl-bench-simple-and PRIVATE jsonlogic faker-cxx)

cpp/bench/src/benchmark-simple-and.cpp

@@ -0,0 +1,140 @@
+#include <bench.hpp>
+#include <boost/json.hpp>
+#include <boost/json/src.hpp>
+#include <cstdio>
+#include <faker-cxx/location.h>
+#include <faker-cxx/number.h>
+#include <filesystem>
+#include <fstream>
+#include <iostream>
+#include <jsonlogic/logic.hpp>
+#include <string>
+#include <vector>
+
+std::string read_file(const std::string &filename) {
+  std::ifstream file(filename);
+  if (!file)
+    throw std::runtime_error("Failed to open file");
+
+  return {std::string((std::istreambuf_iterator<char>(file)),
+                      std::istreambuf_iterator<char>())};
+}
+
+const unsigned long SEED_ = 42;
+static const size_t N_ = 1'000'000;
+static const int N_RUNS_ = 3;
+
+int main(int argc, const char **argv) try {
+
+  // Test expression: x > 5 and y < 3
+  std::string expr;
+  try {
+    expr = read_file("simple-and.json");
+    std::cout << "Successfully read simple-and.json from current directory"
+              << std::endl;
+  } catch (const std::exception &) {
+    try {
+      expr = read_file("bench/src/simple-and.json");
+      std::cout << "Successfully read simple-and.json from bench/src/"
+                << std::endl;
+    } catch (const std::exception &e) {
+      std::cerr << "Error: Could not find simple-and.json: " << e.what()
+                << std::endl;
+      // Print current working directory
+      std::cerr << "Current directory: " << std::filesystem::current_path()
+                << std::endl;
+      throw;
+    }
+  }
+
+  std::span<const char *> args(argv, argc);
+
+  size_t N = N_;
+  if (argc > 1) {
+    N = std::stoul(args[1]);
+  }
+  size_t N_RUNS = N_RUNS_;
+  if (argc > 2) {
+    N_RUNS = std::stoul(args[2]);
+  }
+
+  size_t SEED = SEED_;
+  if (argc > 3) {
+    SEED = std::stoul(args[3]);
+  }
+
+  faker::getGenerator().seed(SEED);
+  std::vector<double> xs;
+  xs.reserve(N);
+  std::vector<int> ys;
+  ys.reserve(N);
+
+  // Create test data
+  for (size_t i = 0; i < N; ++i) {
+    xs.push_back(faker::number::decimal<double>(
+        0, 10)); // 0-10 range to get some matches
+    ys.push_back(
+        faker::number::integer<int>(0, 6)); // 0-6 range to get some matches
+  }
+
+  // JL1 - Using boost::json::object approach
+
+  auto jv_expr = boost::json::parse(expr);
+  boost::json::object data_obj;
+
+  size_t matches = 0;
+  auto jl1_lambda = [&] {
+    matches = 0;
+    for (size_t i = 0; i < N; ++i) {
+      data_obj["x"] = xs[i];
+      data_obj["y"] = ys[i];
+      auto data = boost::json::value_from(data_obj);
+      auto result = jsonlogic::apply(jv_expr, data);
+
+      bool val = jsonlogic::truthy(result);
+
+      if (val) {
+        ++matches;
+      }
+    }
+  };
+
+  auto jl1_bench = Benchmark("simple-and-jl1", jl1_lambda);
+
+  // JL2 - Using create_logic approach
+
+  auto jl2_lambda = [&] {
+    matches = 0;
+    auto [rule, ignore1, ignore2] = jsonlogic::create_logic(jv_expr);
+    for (size_t i = 0; i < N; ++i) {
+      auto result = jsonlogic::apply(rule, {xs[i], ys[i]});
+      bool val = jsonlogic::truthy(result);
+
+      if (val) {
+        ++matches;
+      }
+    }
+  };
+
+  auto jl2_bench = Benchmark("simple-and-jl2", jl2_lambda);
+
+  // Run benchmarks
+  auto jl1_results = jl1_bench.run(N_RUNS);
+  std::cout << "JL1 matches: " << matches << std::endl;
+
+  auto jl2_results = jl2_bench.run(N_RUNS);
+  std::cout << "JL2 matches: " << matches << std::endl;
+
+  // Display results
+  jl1_results.summarize();
+  jl2_results.summarize();
+  jl2_results.compare_to(jl1_results);
+
+  return 0;
+} catch (const std::exception &e) {
+  std::cerr << "Fatal error: " << e.what() << '\n';
+  return 1;
+} catch (...) {
+  std::cerr << "Fatal unknown error\n";
+  return 2;
+}

cpp/bench/src/simple-and.json

@@ -0,0 +1,10 @@
+{"and": [
+    {">": [
+        {"var": "x"},
+        5
+    ]},
+    {"<": [
+        {"var": "y"},
+        3
+    ]}
+]}