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test: freepipe

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This commit is contained in:
Luís Murta 2025-08-06 21:16:22 +01:00
parent 4d37acdda7
commit bd8e17b2ab
Signed by: satprog
GPG Key ID: 169EF1BBD7049F94
2 changed files with 33 additions and 10 deletions
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2
tests/CMakeLists.txt
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@ -3,7 +3,7 @@ find_package(benchmark REQUIRED)
add_executable(pipeline.test pipeline.test.cpp) add_executable(pipeline.test pipeline.test.cpp)
target_compile_features(pipeline.test PUBLIC cxx_std_23) target_compile_features(pipeline.test PUBLIC cxx_std_23)
target_link_libraries(pipeline.test benchmark::benchmark_main target_link_libraries(pipeline.test benchmark::benchmark_main
pipeline::pipeline joboccara::pipes) pipeline::pipeline joboccara::pipes pipe)
add_test(NAME pipeline.test COMMAND pipeline.test) add_test(NAME pipeline.test COMMAND pipeline.test)
find_package(GTest REQUIRED) find_package(GTest REQUIRED)

37
tests/pipeline.test.cpp
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@ -1,7 +1,9 @@
#include <benchmark/benchmark.h> #include <benchmark/benchmark.h>
#include <freepipe/freepipe.hpp>
#include <pipeline/pipeline.hpp> #include <pipeline/pipeline.hpp>
#include <pipes/pipes.hpp> #include <pipes/pipes.hpp>
#include <tuple>
#include <vector> #include <vector>
namespace { namespace {
@ -37,19 +39,40 @@ void BM_Pipes(benchmark::State& state) {
} }
BENCHMARK(BM_Pipes); BENCHMARK(BM_Pipes);
void BM_Pipe(benchmark::State &state) {
using namespace freepipe;
for (auto _ : state) {
const Pipe p;
auto r = p | [] { return std::tuple{0, 1}; } | [](auto ab) {
auto a = std::get<0>(ab);
auto b = std::get<1>(ab);
return a + b;
} | [](auto a) {
return a * 2;
} | [](auto a) { return a * a; };
benchmark::DoNotOptimize(r);
}
}
BENCHMARK(BM_Pipe);
} // namespace } // namespace
// 2025-07-31T22:57:54+01:00 // 2025-08-06T21:13:50+01:00
// Running /home/murta/src/pipeline/build/tests/pipeline.test // Running /home/murta/src/pipeline/build/tests/pipeline.test
// Run on (16 X 3200 MHz CPU s) // Run on (16 X 3199.99 MHz CPU s)
// CPU Caches: // CPU Caches:
// L1 Data 32 KiB (x8) // L1 Data 32 KiB (x8)
// L1 Instruction 64 KiB (x8) // L1 Instruction 64 KiB (x8)
// L2 Unified 512 KiB (x8) // L2 Unified 512 KiB (x8)
// L3 Unified 8192 KiB (x2) // L3 Unified 8192 KiB (x2)
// Load Average: 0.42, 0.47, 0.40 // Load Average: 1.68, 1.49, 0.97
// ------------------------------------------------------ // -------------------------------------------------------
// Benchmark Time CPU Iterations // Benchmark Time CPU Iterations
// ------------------------------------------------------ // -------------------------------------------------------
// BM_Pipeline 0.340 ns 0.340 ns 2065571679 // BM_Pipeline 0.323 ns 0.323 ns 2163778209
// BM_Pipes 13.3 ns 13.3 ns 54185576 // BM_Pipes 12.2 ns 12.2 ns 57225038
// BM_Pipe 0.320 ns 0.320 ns 2173384108