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Add benchmark tests and related configurations for performance evaluation

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This commit is contained in:
yhirose
2026-03-14 22:16:53 -04:00
parent 5ecba74a99
commit ba0d0b82db
7 changed files with 171 additions and 70 deletions
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test/Makefile
+11 -1
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@@ -219,6 +219,16 @@ style_check: $(STYLE_CHECK_FILES)
echo "All files are properly formatted."; \
fi
BENCHMARK_LIBS = -lpthread
ifneq ($(OS), Windows_NT)
ifeq ($(shell uname -s), Darwin)
BENCHMARK_LIBS += -framework CoreFoundation -framework CFNetwork
endif
endif
test_benchmark : test_benchmark.cc ../httplib.h Makefile
$(CXX) -o $@ -I.. $(CXXFLAGS) test_benchmark.cc gtest/src/gtest-all.cc gtest/src/gtest_main.cc -Igtest -Igtest/include $(BENCHMARK_LIBS)
test_websocket_heartbeat : test_websocket_heartbeat.cc ../httplib.h Makefile
$(CXX) -o $@ -I.. $(CXXFLAGS) test_websocket_heartbeat.cc $(TEST_ARGS)
@file $@
@@ -254,5 +264,5 @@ cert.pem:
./gen-certs.sh
clean:
rm -rf test test_split test_mbedtls test_split_mbedtls test_wolfssl test_split_wolfssl test_no_tls, test_split_no_tls test_proxy test_proxy_mbedtls test_proxy_wolfssl server_fuzzer *.pem *.0 *.o *.1 *.srl httplib.h httplib.cc _build* *.dSYM *_shard_*.log cpp-httplib
rm -rf test test_split test_mbedtls test_split_mbedtls test_wolfssl test_split_wolfssl test_no_tls, test_split_no_tls test_proxy test_proxy_mbedtls test_proxy_wolfssl test_benchmark server_fuzzer *.pem *.0 *.o *.1 *.srl httplib.h httplib.cc _build* *.dSYM *_shard_*.log cpp-httplib
test/test.cc
-65
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@@ -102,71 +102,6 @@ static void read_file(const std::string &path, std::string &out) {
fs.read(&out[0], static_cast<std::streamsize>(size));
}
void performance_test(const char *host) {
Server svr;
svr.Get("/benchmark", [&](const Request & /*req*/, Response &res) {
res.set_content("Benchmark Response", "text/plain");
});
auto listen_thread = std::thread([&]() { svr.listen(host, PORT); });
auto se = detail::scope_exit([&] {
svr.stop();
listen_thread.join();
ASSERT_FALSE(svr.is_running());
});
svr.wait_until_ready();
Client cli(host, PORT);
// Warm-up request to establish connection and resolve DNS
auto warmup_res = cli.Get("/benchmark");
ASSERT_TRUE(warmup_res); // Ensure server is responding correctly
// Run multiple trials and collect timings
const int num_trials = 20;
std::vector<int64_t> timings;
timings.reserve(num_trials);
for (int i = 0; i < num_trials; i++) {
auto start = std::chrono::high_resolution_clock::now();
auto res = cli.Get("/benchmark");
auto end = std::chrono::high_resolution_clock::now();
auto elapsed =
std::chrono::duration_cast<std::chrono::milliseconds>(end - start)
.count();
// Assertions after timing measurement to avoid overhead
ASSERT_TRUE(res);
EXPECT_EQ(StatusCode::OK_200, res->status);
timings.push_back(elapsed);
}
// Calculate 25th percentile (lower quartile)
std::sort(timings.begin(), timings.end());
auto p25 = timings[num_trials / 4];
// Format timings for output
std::ostringstream timings_str;
timings_str << "[";
for (size_t i = 0; i < timings.size(); i++) {
if (i > 0) timings_str << ", ";
timings_str << timings[i];
}
timings_str << "]";
// Localhost HTTP GET should be fast even in CI environments
EXPECT_LE(p25, 5) << "25th percentile performance is too slow: " << p25
<< "ms (Issue #1777). Timings: " << timings_str.str();
}
TEST(BenchmarkTest, localhost) { performance_test("localhost"); }
TEST(BenchmarkTest, v6) { performance_test("::1"); }
class UnixSocketTest : public ::testing::Test {
protected:
void TearDown() override { std::remove(pathname_.c_str()); }
test/test_benchmark.cc
+78
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@@ -0,0 +1,78 @@
#include <httplib.h>
#include <gtest/gtest.h>
#include <algorithm>
#include <chrono>
#include <sstream>
#include <thread>
#include <vector>
using namespace httplib;
static const int PORT = 11134;
static void performance_test(const char *host) {
Server svr;
svr.Get("/benchmark", [&](const Request & /*req*/, Response &res) {
res.set_content("Benchmark Response", "text/plain");
});
auto listen_thread = std::thread([&]() { svr.listen(host, PORT); });
auto se = detail::scope_exit([&] {
svr.stop();
listen_thread.join();
ASSERT_FALSE(svr.is_running());
});
svr.wait_until_ready();
Client cli(host, PORT);
// Warm-up request to establish connection and resolve DNS
auto warmup_res = cli.Get("/benchmark");
ASSERT_TRUE(warmup_res); // Ensure server is responding correctly
// Run multiple trials and collect timings
const int num_trials = 20;
std::vector<int64_t> timings;
timings.reserve(num_trials);
for (int i = 0; i < num_trials; i++) {
auto start = std::chrono::high_resolution_clock::now();
auto res = cli.Get("/benchmark");
auto end = std::chrono::high_resolution_clock::now();
auto elapsed =
std::chrono::duration_cast<std::chrono::milliseconds>(end - start)
.count();
// Assertions after timing measurement to avoid overhead
ASSERT_TRUE(res);
EXPECT_EQ(StatusCode::OK_200, res->status);
timings.push_back(elapsed);
}
// Calculate 25th percentile (lower quartile)
std::sort(timings.begin(), timings.end());
auto p25 = timings[num_trials / 4];
// Format timings for output
std::ostringstream timings_str;
timings_str << "[";
for (size_t i = 0; i < timings.size(); i++) {
if (i > 0) timings_str << ", ";
timings_str << timings[i];
}
timings_str << "]";
// Localhost HTTP GET should be fast even in CI environments
EXPECT_LE(p25, 5) << "25th percentile performance is too slow: " << p25
<< "ms (Issue #1777). Timings: " << timings_str.str();
}
TEST(BenchmarkTest, localhost) { performance_test("localhost"); }
TEST(BenchmarkTest, v6) { performance_test("::1"); }