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# frozen_string_literal: true
require_relative 'bson'
require_relative 'multi_doc'
require_relative 'parallel'
require_relative 'single_doc'
module Mongo
module DriverBench
ALL = [ *BSON::ALL, *SingleDoc::ALL, *MultiDoc::ALL, *Parallel::ALL ].freeze
BENCHES = {
'BSONBench' => BSON::BENCH,
'SingleBench' => SingleDoc::BENCH,
'MultiBench' => MultiDoc::BENCH,
'ParallelBench' => Parallel::BENCH,
'ReadBench' => [
SingleDoc::FindOneByID,
MultiDoc::FindMany,
MultiDoc::GridFS::Download,
Parallel::LDJSON::Export,
Parallel::GridFS::Download
].freeze,
'WriteBench' => [
SingleDoc::InsertOne::SmallDoc,
SingleDoc::InsertOne::LargeDoc,
MultiDoc::BulkInsert::SmallDoc,
MultiDoc::BulkInsert::LargeDoc,
MultiDoc::GridFS::Upload,
Parallel::LDJSON::Import,
Parallel::GridFS::Upload
].freeze
}.freeze
# A benchmark suite for running all benchmarks and aggregating (and
# reporting) the results.
#
# @api private
class Suite
PERCENTILES = [ 10, 25, 50, 75, 90, 95, 98, 99 ].freeze
def self.run!
new.run
end
def run
perf_data = []
benches = Hash.new { |h, k| h[k] = [] }
ALL.each do |klass|
result = run_benchmark(klass)
perf_data << compile_perf_data(result)
append_to_benchmarks(klass, result, benches)
end
perf_data += compile_benchmarks(benches)
save_perf_data(perf_data)
summarize_perf_data(perf_data)
end
private
def run_benchmark(klass)
print klass.bench_name, ': '
$stdout.flush
klass.new.run.tap do |result|
puts format('%4.4g', result[:score])
end
end
def compile_perf_data(result)
percentile_data = PERCENTILES.map do |percentile|
{ 'name' => "time-#{percentile}%",
'value' => result[:percentiles][percentile] }
end
{
'info' => {
'test_name' => result[:name],
'args' => {},
},
'metrics' => [
{ 'name' => 'score',
'value' => result[:score] },
*percentile_data
]
}
end
def append_to_benchmarks(klass, result, benches)
BENCHES.each do |benchmark, list|
benches[benchmark] << result[:score] if list.include?(klass)
end
end
def compile_benchmarks(benches)
benches.each_key do |key|
benches[key] = benches[key].sum / benches[key].length
end
benches['DriverBench'] = (benches['ReadBench'] + benches['WriteBench']) / 2
benches.map do |bench, score|
{
'info' => {
'test_name' => bench,
'args' => {}
},
'metrics' => [
{ 'name' => 'score',
'value' => score }
]
}
end
end
# rubocop:disable Metrics/AbcSize
def summarize_perf_data(data)
puts '===== Performance Results ====='
data.each do |item|
puts format('%s : %4.4g', item['info']['test_name'], item['metrics'][0]['value'])
next unless item['metrics'].length > 1
item['metrics'].each do |metric|
next if metric['name'] == 'score'
puts format(' %s : %4.4g', metric['name'], metric['value'])
end
end
end
# rubocop:enable Metrics/AbcSize
def save_perf_data(data, file_name: ENV['PERFORMANCE_RESULTS_FILE'] || 'results.json')
File.write(file_name, data.to_json)
end
end
end
end
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