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ea1f67393d
This changes our GHA CI and nix-store-tests packaging to build and run the benchmarks. This does not affect the default packaging - the overrides apply only for the GHA CI.
39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
#include <benchmark/benchmark.h>
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#include "nix/store/derivations.hh"
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#include "nix/store/store-api.hh"
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#include "nix/util/experimental-features.hh"
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#include "nix/util/environment-variables.hh"
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#include "nix/store/store-open.hh"
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#include <fstream>
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#include <sstream>
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using namespace nix;
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// Benchmark parsing real derivation files
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static void BM_ParseRealDerivationFile(benchmark::State & state, const std::string & filename)
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{
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// Read the file once
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std::ifstream file(filename);
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std::stringstream buffer;
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buffer << file.rdbuf();
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std::string content = buffer.str();
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auto store = openStore("dummy://");
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ExperimentalFeatureSettings xpSettings;
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for (auto _ : state) {
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auto drv = parseDerivation(*store, std::string(content), "test", xpSettings);
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benchmark::DoNotOptimize(drv);
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}
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state.SetBytesProcessed(state.iterations() * content.size());
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}
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// Register benchmarks for actual test derivation files if they exist
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BENCHMARK_CAPTURE(
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BM_ParseRealDerivationFile,
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hello,
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getEnvNonEmpty("_NIX_TEST_UNIT_DATA").value_or(NIX_UNIT_TEST_DATA) + "/derivation/hello.drv");
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BENCHMARK_CAPTURE(
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BM_ParseRealDerivationFile,
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firefox,
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getEnvNonEmpty("_NIX_TEST_UNIT_DATA").value_or(NIX_UNIT_TEST_DATA) + "/derivation/firefox.drv");
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