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BENCHMARK("speedtest") {
#ifdef ZEROERR_OS_UNIX
    uint64_t* data      = new uint64_t[1000000];
    FILE*     file      = fmemopen(data, 1000000 * sizeof(uint64_t), "w");
    FILE*     oldstdout = stdout;
    FILE*     oldstderr = stderr;
    stdout = stderr = file;
#endif
    zeroerr::LogStream::getDefault().setFlushManually();
    std::stringstream ss;
    Benchmark         bench("log speed test");
    bench.run("spdlog", [] { spdlog::info("hello world {:03.2f}", 1.1); })
        .run("stringstream",
             [&] {
                 ss << "hello world " << 1.1;
                 doNotOptimizeAway(ss);
             })
        .run("log", [] { LOG("hello world {value}", 1.1); })
        .report();
    zeroerr::LogStream::getDefault().setFlushAtOnce();

#ifdef ZEROERR_OS_UNIX
    stdout = oldstdout;
    stderr = oldstderr;
    fclose(file);
    delete[] data;
#endif
}