YUKI Hiroshi
null+****@clear*****
Thu Feb 5 17:13:32 JST 2015
YUKI Hiroshi 2015-02-05 17:13:32 +0900 (Thu, 05 Feb 2015) New Revision: 1728a1f66138108ce821ce644292576dd6dde053 https://github.com/droonga/presentation-trbmeetup-droonga/commit/1728a1f66138108ce821ce644292576dd6dde053 Message: Add demonstration code and its result Added files: demo/benchmark.ods demo/benchmark.rb images/demo-latency.png Added: demo/benchmark.ods (+0 -0) 100644 =================================================================== (Binary files differ) Added: demo/benchmark.rb (+60 -0) 100644 =================================================================== --- /dev/null +++ demo/benchmark.rb 2015-02-05 17:13:32 +0900 (3c1feff) @@ -0,0 +1,60 @@ +require "grn_mini" +require "benchmark" +require "json" +require "csv" + +GrnMini::tmpdb do + STEP = 1000 + MAX_N_RECORDS = 10000 + QUERY = "日本語" + REPEAT = 100 + + text_file = File.expand_path('../../../wikipedia-search/data/groonga/ja-pages.grn', __FILE__) + entries = File.read(text_file) + entries = JSON.parse(entries.lines[1..-1].join) + while entries.size < MAX_N_RECORDS + entries += entries + end + + native_array = [] + indexed_array = GrnMini::Array.new("Entries") + results = [ + CSV.generate_line(["n_records", "Array#grep", "GrnMini::Array#select"]), + ] + (STEP..MAX_N_RECORDS).step(STEP).each do |n_records| + (n_records - native_array.size).times do + entry = entries.shift + native_array << entry["text"] + indexed_array << {text: entry["text"]} + end + + puts "-- #{n_records} --" + Benchmark.bm(16) do |benchmark| + native_n_found_records = -1 + indexed_n_found_records = -1 + native_report = benchmark.report("Array#grep") do + REPEAT.times do + native_n_found_records = native_array.grep(/#{QUERY}/).size + end + end + indexed_report = benchmark.report("GrnMini::Array#select") do + REPEAT.times do + indexed_n_found_records = indexed_array.select("text:@#{QUERY}").size + end + end + unless native_n_found_records == indexed_n_found_records + raise "ERROR: different result!! (#{native_n_found_records} vs #{indexed_n_found_records})" + end + results << CSV.generate_line([ + indexed_array.size, + native_report.real / REPEAT, + indexed_report.real / REPEAT, + ]) + end + end + + puts "Statistics:" + results.each do |row| + puts row + end +end Added: images/demo-latency.png (+0 -0) 100644 =================================================================== (Binary files differ) -------------- next part -------------- HTML����������������������������...Download
