Rewriting the benchmarks to get better data.
parent
c124b23d7a
commit
53c69d0c5d
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@ -2,6 +2,43 @@ require "benchmark"
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require "./utilities.cr"
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require "./db-cars.cr"
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# List of environment variables and default values:
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# ENV["CARNAME"] rescue "Corvet-#{(db_size/2).to_i}"
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# ENV["CARCOLOR"] rescue "red"
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# ENV["CARKEYWORD"] rescue "spacious"
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# ENV["DBSIZE"] rescue 1_000
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# ENV["DBSIZE_START"] rescue 5_000
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# ENV["DBSIZE_INCREMENT"] rescue 5_000
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# ENV["REPORT_DIR"] rescue "results"
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class DODB::Storage(V)
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def empty_db
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while pop
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end
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end
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end
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class Context
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class_property report_dir = "results"
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end
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def report(storage, db_size, nb_run, name, title, &block)
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#add_cars storage, db_size
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durations = run_n_times nb_run, &block
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File.open("#{Context.report_dir}/#{name}", "w") do |file|
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durations.each do |d|
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file.puts d
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end
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end
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avr = durations.reduce { |a, b| a + b } / nb_run
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puts "#{title}: #{avr}"
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#storage.empty_db
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avr
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end
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def batch(db_size, nb_run)
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cars_ram = DODB::RAMOnlySpecDataBase(Car).new
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cars_cached = DODB::CachedSpecDataBase(Car).new
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cars_semi = DODB::SpecDataBase(Car).new "-semi"
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@ -12,92 +49,97 @@ cached_searchby_name, cached_searchby_color, cached_searchby_keywords = ca
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semi_searchby_name, semi_searchby_color, semi_searchby_keywords = cached_indexes cars_semi
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uncached_searchby_name, uncached_searchby_color, uncached_searchby_keywords = uncached_indexes cars_uncached
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db_size = ENV["DBSIZE"].to_i rescue 1_000
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car_name_to_search = ENV["CARNAME"] rescue "Corvet-#{(db_size/2).to_i}"
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car_color_to_search = ENV["CARCOLOR"] rescue "red"
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car_keyword_to_search = ENV["CARKEYWORD"] rescue "spacious"
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puts "add some values"
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add_cars cars_ram, db_size
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add_cars cars_cached, db_size
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add_cars cars_semi, db_size
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add_cars cars_uncached, db_size
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# Searching for data with an index.
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car_name_to_search = ENV["CARNAME"] rescue "Corvet-#{(db_size/2).to_i}"
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puts "search by index '#{car_name_to_search}': get a single value"
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Benchmark.ips do |x|
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x.report("(ram db and index) searching with an index") do
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report(cars_ram, db_size, nb_run, "ram_#{db_size}_index", "(ram db and index) searching with an index") do
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corvet = ram_searchby_name.get car_name_to_search
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end
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x.report("(cached db and index) searching with an index") do
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report(cars_cached, db_size, nb_run, "cached_#{db_size}_index", "(cached db and index) searching with an index") do
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corvet = cached_searchby_name.get car_name_to_search
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end
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x.report("(semi: uncached db but cached index) searching with an index") do
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report(cars_semi, db_size, nb_run, "semi_#{db_size}_index", "(semi: uncached db but cached index) searching with an index") do
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corvet = semi_searchby_name.get car_name_to_search
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end
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x.report("(uncached db and index) searching with an index") do
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report(cars_uncached, db_size, nb_run, "uncached_#{db_size}_index", "(uncached db and index) searching with an index") do
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corvet = uncached_searchby_name.get car_name_to_search
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end
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end
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# Searching for data with a partition.
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puts ""
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puts "search by partition #{car_color_to_search}: get #{ram_searchby_color.get(car_color_to_search).size} values"
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Benchmark.ips do |x|
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x.report("(ram db and partition) searching with a partition") do
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corvet = ram_searchby_color.get car_color_to_search
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end
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x.report("(cached db and partition) searching with a partition") do
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corvet = cached_searchby_color.get car_color_to_search
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end
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x.report("(semi: uncached db but cached partition) searching with a partition") do
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corvet = semi_searchby_color.get car_color_to_search
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end
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x.report("(uncached db and partition) searching with a partition") do
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corvet = uncached_searchby_color.get car_color_to_search
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end
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end
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# Searching for data with a tag.
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puts ""
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puts "search by tag #{car_keyword_to_search}: get #{ram_searchby_keywords.get(car_keyword_to_search).size} values"
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Benchmark.ips do |x|
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x.report("(ram db and tag) searching with a tag") do
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corvet = ram_searchby_keywords.get car_keyword_to_search
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end
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x.report("(cached db and tag) searching with a tag") do
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corvet = cached_searchby_keywords.get car_keyword_to_search
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end
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x.report("(semi: uncached db but cached tag) searching with a tag") do
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corvet = semi_searchby_keywords.get car_keyword_to_search
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end
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x.report("(uncached db and tag) searching with a tag") do
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corvet = uncached_searchby_keywords.get car_keyword_to_search
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end
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end
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# # Searching for data with a partition.
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# car_color_to_search = ENV["CARCOLOR"] rescue "red"
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# puts ""
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# puts "search by partition #{car_color_to_search}: get #{ram_searchby_color.get(car_color_to_search).size} values"
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# Benchmark.ips do |x|
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# add_cars cars_ram, db_size
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# x.report("(ram db and partition) searching with a partition") do
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# corvet = ram_searchby_color.get car_color_to_search
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# end
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# cars_ram.empty_db
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#
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# add_cars cars_cached, db_size
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# x.report("(cached db and partition) searching with a partition") do
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# corvet = cached_searchby_color.get car_color_to_search
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# end
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# cars_cached.empty_db
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#
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# add_cars cars_semi, db_size
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# x.report("(semi: uncached db but cached partition) searching with a partition") do
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# corvet = semi_searchby_color.get car_color_to_search
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# end
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# cars_semi.empty_db
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#
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# add_cars cars_uncached, db_size
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# x.report("(uncached db and partition) searching with a partition") do
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# corvet = uncached_searchby_color.get car_color_to_search
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# end
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# cars_uncached.empty_db
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# end
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#
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# # Searching for data with a tag.
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# car_keyword_to_search = ENV["CARKEYWORD"] rescue "spacious"
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# puts ""
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# puts "search by tag #{car_keyword_to_search}: get #{ram_searchby_keywords.get(car_keyword_to_search).size} values"
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# Benchmark.ips do |x|
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# add_cars cars_ram, db_size
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# x.report("(ram db and tag) searching with a tag") do
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# corvet = ram_searchby_keywords.get car_keyword_to_search
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# end
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# cars_ram.empty_db
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#
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# add_cars cars_cached, db_size
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# x.report("(cached db and tag) searching with a tag") do
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# corvet = cached_searchby_keywords.get car_keyword_to_search
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# end
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# cars_cached.empty_db
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#
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# add_cars cars_semi, db_size
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# x.report("(semi: uncached db but cached tag) searching with a tag") do
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# corvet = semi_searchby_keywords.get car_keyword_to_search
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# end
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# cars_semi.empty_db
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#
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# add_cars cars_uncached, db_size
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# x.report("(uncached db and tag) searching with a tag") do
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# corvet = uncached_searchby_keywords.get car_keyword_to_search
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# end
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# cars_uncached.empty_db
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# end
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cars_ram.rm_storage_dir
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cars_cached.rm_storage_dir
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cars_semi.rm_storage_dir
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cars_uncached.rm_storage_dir
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cars_ram = DODB::RAMOnlySpecDataBase(Car).new
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cars_cached = DODB::CachedSpecDataBase(Car).new
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cars_semi = DODB::SpecDataBase(Car).new "-semi"
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cars_uncached = DODB::SpecDataBase(Car).new
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ram_searchby_name, ram_searchby_color, ram_searchby_keywords = ram_indexes cars_ram
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cached_searchby_name, cached_searchby_color, cached_searchby_keywords = cached_indexes cars_cached
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semi_searchby_name, semi_searchby_color, semi_searchby_keywords = cached_indexes cars_semi
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uncached_searchby_name, uncached_searchby_color, uncached_searchby_keywords = uncached_indexes cars_uncached
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end
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def perform_add(storage : DODB::Storage(Car), nb_run)
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corvet0 = Car.new "Corvet", "red", [ "shiny", "impressive", "fast", "elegant" ]
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@ -110,7 +152,17 @@ def perform_add(storage : DODB::Storage(Car), nb_run)
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end
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end
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nb_run = 1000
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def batch_add(nb_run)
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cars_ram = DODB::RAMOnlySpecDataBase(Car).new
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cars_cached = DODB::CachedSpecDataBase(Car).new
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cars_semi = DODB::SpecDataBase(Car).new "-semi"
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cars_uncached = DODB::SpecDataBase(Car).new
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ram_searchby_name, ram_searchby_color, ram_searchby_keywords = ram_indexes cars_ram
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cached_searchby_name, cached_searchby_color, cached_searchby_keywords = cached_indexes cars_cached
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semi_searchby_name, semi_searchby_color, semi_searchby_keywords = cached_indexes cars_semi
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uncached_searchby_name, uncached_searchby_color, uncached_searchby_keywords = uncached_indexes cars_uncached
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avr = perform_add(cars_ram, nb_run)
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puts "(ram db and indexes) add a value (average on #{nb_run} tries): #{avr}"
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@ -127,3 +179,19 @@ cars_ram.rm_storage_dir
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cars_cached.rm_storage_dir
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cars_semi.rm_storage_dir
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cars_uncached.rm_storage_dir
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end
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ENV["REPORT_DIR"]?.try do |report_dir|
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Context.report_dir = report_dir
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end
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Dir.mkdir_p Context.report_dir
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nb_run = 1000
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db_size_max = ENV["DBSIZE"].to_i rescue 1_000
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current_size = ENV["DBSIZE_START"].to_i rescue 5_000
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size_increment = ENV["DBSIZE_INCREMENT"].to_i rescue 5_000
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while current_size <= db_size_max
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batch current_size, nb_run
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current_size += size_increment
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end
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batch_add nb_run
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@ -12,6 +12,21 @@ def perform_benchmark_average(ntimes : Int32, &block)
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sum += elapsed_time
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i += 1
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end
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sum / ntimes
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end
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def run_n_times(ntimes : Int32, &block)
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i = 1
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durations = Array(Float64).new
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while i <= ntimes
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elapsed_time = perform_something &block
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durations << elapsed_time.total_nanoseconds
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i += 1
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end
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durations
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end
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# TODO
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def should_nb_files(path : String, expected_nb_files : UInt32)
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raise Exception.new "should_nb_files: not implemented yet"
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end
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