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Benchmarks

Running the benchmarks

From the parent directory, run

npm run-script benchmark

The above script supports the following arguments:

  • --benchmarks=...: A semicolon-separated list of benchmark names. These names
    will be mapped to file names in this directory by appending .js.

Adding benchmarks

The steps below should be followed when adding new benchmarks.

  1. Decide on a name for the benchmark. This name will be used in several places.
    This example will use the name new_benchmark.

  2. Create files new_benchmark.cc and new_benchmark.js in this directory.

  3. Copy an existing benchmark in binding.gyp and change the target name prefix
    and the source file name to new_benchmark. This should result in two new
    targets which look like this:

      {
        'target_name': 'new_benchmark',
        'sources': [ 'new_benchmark.cc' ],
        'includes': [ '../except.gypi' ],
      },
      {
        'target_name': 'new_benchmark_noexcept',
        'sources': [ 'new_benchmark.cc' ],
        'includes': [ '../noexcept.gypi' ],
      },
    

    There should always be a pair of targets: one bearing the name of the
    benchmark and configured with C++ exceptions enabled, and one bearing the
    same name followed by the suffix _noexcept and configured with C++
    exceptions disabled. This will ensure that the benchmark can be written to
    cover both the case where C++ exceptions are enabled and the case where they
    are disabled.