phpbench.json

{
  "$schema":"./vendor/phpbench/phpbench/phpbench.schema.json",
  "runner.bootstrap": "vendor/autoload.php",
  "runner.file_pattern": "*Bench.php",
  "report.generators": {
    "diff": {
      "generator": "component",
      "partition": ["benchmark_name"],
      "components": [
        {
          "component": "section",
          "title": "{{ first(frame['benchmark_name']) }}",
          "components": [
            {
              "component": "table_aggregate",
              "partition": ["subject_name", "variant_name"],
              "groups":
              {
                "time (kde mode)":
                {
                  "cols": ["time", "time-diff"]
                },
                "memory":
                {
                  "cols": ["memory", "memory-diff"]
                }
              },
              "row":
              {
                "subject": "first(partition['subject_name']) ~ ' (' ~ first(partition['variant_name']) ~ ')'",
                "time":
                {
                  "type": "expand",
                  "partition": "suite_tag",
                  "cols":
                  {
                    "Tag: {{ key }}": "mode(partition['result_time_avg']) as time ~ ' (' ~ rstdev(partition['result_time_avg']) ~ ')'"
                  }
                },
                "time-diff":
                {
                  "type": "expand",
                  "partition": "subject_name",
                  "cols":
                  {
                    "time-diff": "percent_diff(coalesce(partition['result_time_avg']?[1], 0), coalesce(partition['result_time_avg']?[0], 0))"
                  }
                },
                "memory":
                {
                  "type": "expand",
                  "partition": "suite_tag",
                  "cols":
                  {
                    "Tag: {{ key }} ": "mode(partition['result_mem_peak']) as memory"
                  }
                },
                "memory-diff":
                {
                  "type": "expand",
                  "partition": "subject_name",
                  "cols":
                  {
                    "memory-diff": "percent_diff(coalesce(partition['result_mem_peak']?[1], 0), coalesce(partition['result_mem_peak']?[0], 0))"
                  }
                }
              }
            }]
        }]
    }
  }
}