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https://github.com/nlohmann/json.git
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Merge branch 'develop' into feature/issue365
This commit is contained in:
Niels Lohmann
commit
4bd3b1b0ef
4
.gitignore
vendored
4
.gitignore
vendored
@ -14,3 +14,7 @@ doc/html
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me.nlohmann.json.docset
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benchmarks/files/numbers/*.json
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.idea
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cmake-build-debug
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@ -84,22 +84,22 @@ matrix:
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# Coverity (only for branch coverity_scan)
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- os: linux
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compiler: gcc
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compiler: clang
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before_install: echo -n | openssl s_client -connect scan.coverity.com:443 | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' | sudo tee -a /etc/ssl/certs/ca-certificates.crt
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addons:
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apt:
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sources: ['ubuntu-toolchain-r-test']
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packages: ['g++-5', 'valgrind']
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packages: ['valgrind']
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coverity_scan:
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project:
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name: "nlohmann/json"
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description: "Build submitted via Travis CI"
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notification_email: niels.lohmann@gmail.com
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build_command_prepend: "make clean ; sudo cp $(which g++-5) $(which g++)"
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build_command_prepend: "make clean"
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build_command: "make"
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branch_pattern: coverity_scan
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env:
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- COMPILER=g++-5
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- LLVM_VERSION=3.6.0
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- SPECIAL=coverity
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# OSX / Clang
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@ -1,11 +1,14 @@
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#define BENCHPRESS_CONFIG_MAIN
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#include <fstream>
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#include <sstream>
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#include <benchpress.hpp>
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#include <json.hpp>
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#include <pthread.h>
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#include <thread>
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using json = nlohmann::json;
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struct StartUp
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{
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StartUp()
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@ -23,129 +26,93 @@ struct StartUp
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};
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StartUp startup;
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BENCHMARK("parse jeopardy.json", [](benchpress::context* ctx)
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{
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for (size_t i = 0; i < ctx->num_iterations(); ++i)
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{
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ctx->stop_timer();
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std::ifstream input_file("benchmarks/files/jeopardy/jeopardy.json");
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nlohmann::json j;
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ctx->start_timer();
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j << input_file;
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ctx->stop_timer();
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}
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})
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enum class EMode { input, output_no_indent, output_with_indent };
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BENCHMARK("parse canada.json", [](benchpress::context* ctx)
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static void bench(benchpress::context& ctx,
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const std::string& in_path,
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const EMode mode)
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{
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for (size_t i = 0; i < ctx->num_iterations(); ++i)
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// using string streams for benchmarking to factor-out cold-cache disk
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// access.
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std::stringstream istr;
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{
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ctx->stop_timer();
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std::ifstream input_file("benchmarks/files/nativejson-benchmark/canada.json");
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nlohmann::json j;
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ctx->start_timer();
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j << input_file;
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ctx->stop_timer();
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}
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})
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// read file into string stream
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std::ifstream input_file(in_path);
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istr << input_file.rdbuf();
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input_file.close();
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BENCHMARK("parse citm_catalog.json", [](benchpress::context* ctx)
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{
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for (size_t i = 0; i < ctx->num_iterations(); ++i)
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{
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ctx->stop_timer();
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std::ifstream input_file("benchmarks/files/nativejson-benchmark/citm_catalog.json");
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nlohmann::json j;
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ctx->start_timer();
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j << input_file;
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ctx->stop_timer();
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}
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})
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BENCHMARK("parse twitter.json", [](benchpress::context* ctx)
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{
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for (size_t i = 0; i < ctx->num_iterations(); ++i)
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{
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ctx->stop_timer();
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std::ifstream input_file("benchmarks/files/nativejson-benchmark/twitter.json");
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nlohmann::json j;
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ctx->start_timer();
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j << input_file;
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ctx->stop_timer();
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}
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})
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BENCHMARK("parse numbers/floats.json", [](benchpress::context* ctx)
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{
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for (size_t i = 0; i < ctx->num_iterations(); ++i)
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{
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ctx->stop_timer();
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std::ifstream input_file("benchmarks/files/numbers/floats.json");
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nlohmann::json j;
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ctx->start_timer();
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j << input_file;
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ctx->stop_timer();
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}
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})
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BENCHMARK("parse numbers/signed_ints.json", [](benchpress::context* ctx)
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{
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for (size_t i = 0; i < ctx->num_iterations(); ++i)
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{
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ctx->stop_timer();
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std::ifstream input_file("benchmarks/files/numbers/signed_ints.json");
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nlohmann::json j;
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ctx->start_timer();
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j << input_file;
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ctx->stop_timer();
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}
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})
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BENCHMARK("parse numbers/unsigned_ints.json", [](benchpress::context* ctx)
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{
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for (size_t i = 0; i < ctx->num_iterations(); ++i)
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{
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ctx->stop_timer();
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std::ifstream input_file("benchmarks/files/numbers/unsigned_ints.json");
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nlohmann::json j;
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ctx->start_timer();
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j << input_file;
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ctx->stop_timer();
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}
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})
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BENCHMARK("dump jeopardy.json", [](benchpress::context* ctx)
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{
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std::ifstream input_file("benchmarks/files/jeopardy/jeopardy.json");
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nlohmann::json j;
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j << input_file;
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std::ofstream output_file("jeopardy.dump.json");
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ctx->reset_timer();
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for (size_t i = 0; i < ctx->num_iterations(); ++i)
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{
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ctx->start_timer();
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output_file << j;
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ctx->stop_timer();
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// read the stream once
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json j;
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j << istr;
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// clear flags and rewind
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istr.clear();
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istr.seekg(0);
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}
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std::remove("jeopardy.dump.json");
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})
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BENCHMARK("dump jeopardy.json with indent", [](benchpress::context* ctx)
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{
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std::ifstream input_file("benchmarks/files/jeopardy/jeopardy.json");
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nlohmann::json j;
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j << input_file;
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std::ofstream output_file("jeopardy.dump.json");
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ctx->reset_timer();
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for (size_t i = 0; i < ctx->num_iterations(); ++i)
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switch (mode)
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{
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ctx->start_timer();
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output_file << std::setw(4) << j;
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ctx->stop_timer();
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}
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// benchmarking input
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case EMode::input:
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{
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ctx.reset_timer();
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std::remove("jeopardy.dump.json");
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})
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for (size_t i = 0; i < ctx.num_iterations(); ++i)
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{
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// clear flags and rewind
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istr.clear();
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istr.seekg(0);
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json j;
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j << istr;
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}
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break;
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}
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// benchmarking output
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case EMode::output_no_indent:
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case EMode::output_with_indent:
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{
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// create JSON value from input
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json j;
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j << istr;
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std::stringstream ostr;
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ctx.reset_timer();
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for (size_t i = 0; i < ctx.num_iterations(); ++i)
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{
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if (mode == EMode::output_no_indent)
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{
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ostr << j;
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}
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else
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{
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ostr << std::setw(4) << j;
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}
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// reset data
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ostr.str(std::string());
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}
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break;
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}
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}
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}
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#define BENCHMARK_I(mode, title, in_path) \
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BENCHMARK((title), [](benchpress::context* ctx) \
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{ \
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bench(*ctx, (in_path), (mode)); \
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})
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BENCHMARK_I(EMode::input, "parse jeopardy.json", "benchmarks/files/jeopardy/jeopardy.json");
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BENCHMARK_I(EMode::input, "parse canada.json", "benchmarks/files/nativejson-benchmark/canada.json");
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BENCHMARK_I(EMode::input, "parse citm_catalog.json", "benchmarks/files/nativejson-benchmark/citm_catalog.json");
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BENCHMARK_I(EMode::input, "parse twitter.json", "benchmarks/files/nativejson-benchmark/twitter.json");
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BENCHMARK_I(EMode::input, "parse numbers/floats.json", "benchmarks/files/numbers/floats.json");
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BENCHMARK_I(EMode::input, "parse numbers/signed_ints.json", "benchmarks/files/numbers/signed_ints.json");
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BENCHMARK_I(EMode::input, "parse numbers/unsigned_ints.json", "benchmarks/files/numbers/unsigned_ints.json");
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BENCHMARK_I(EMode::output_no_indent, "dump jeopardy.json", "benchmarks/files/jeopardy/jeopardy.json");
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BENCHMARK_I(EMode::output_with_indent, "dump jeopardy.json with indent", "benchmarks/files/jeopardy/jeopardy.json");
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BENCHMARK_I(EMode::output_no_indent, "dump numbers/floats.json", "benchmarks/files/numbers/floats.json");
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BENCHMARK_I(EMode::output_no_indent, "dump numbers/signed_ints.json", "benchmarks/files/numbers/signed_ints.json");
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