Update benchmark script

README.md

@@ -14,14 +14,17 @@ Run `bin/run` to run the example.
 
 ## Benchmark
 
-Run `ruby test/benchmark.rb` to see how fast the algorithm is.
+Run `bin/benchmark` to see how fast the algorithm is.
 
 #### Apple M3 Max 64GB (2023): 12.437260s
 
-    $ ruby test/benchmark.rb
-    ruby 3.3.0 (2023-12-25 revision 5124f9ac75) [arm64-darwin23]
-    Running benchmark for Model(grid=20x20 entropy=188)...
-    12.362356   0.020133  12.382489 ( 12.437260)
+        ruby 3.3.0 (2023-12-25 revision 5124f9ac75) [arm64-darwin23]
+        Run #1: Benchmark for Model(grid=20x20 entropy=188)… Finished in 11.65s
+        Run #2: Benchmark for Model(grid=20x20 entropy=188)… Finished in 13.46s
+        Run #3: Benchmark for Model(grid=20x20 entropy=188)… Finished in 11.89s
+        Average time: 12.33499966666568
+        Slowest time: 13.458501000000979
+        Fastest time: 11.65374900000461
 
 ## Contributing
 

bin/benchmark

@@ -0,0 +1,41 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+$LOAD_PATH.unshift File.expand_path("../lib", __dir__)
+
+require "benchmark"
+require "json"
+require "wave_function_collapse"
+
+WIDTH = 20
+HEIGHT = 20
+
+json = JSON.load_file!("assets/map.tsj")
+tiles =
+  json["wangsets"].last["wangtiles"].map do |tile|
+    prob = json["tiles"]&.find { |t| t["id"] == tile["tileid"] }&.fetch("probability")
+    WaveFunctionCollapse::Tile.new(
+      tileid: tile["tileid"],
+      wangid: tile["wangid"],
+      probability: prob
+    )
+  end
+times = []
+
+puts RUBY_DESCRIPTION
+
+times = 3.times.map { |i|
+  time = Benchmark.realtime {
+    model = WaveFunctionCollapse::Model.new(tiles, WIDTH, HEIGHT)
+    print "Run ##{i + 1}: Benchmark for Model(grid=#{model.width}x#{model.height} entropy=#{model.max_entropy})… "
+    until model.complete?
+      model.solve
+    end
+  }
+  puts "Finished in #{time.round(2)}s"
+  time
+}
+
+puts "Average time: #{times.sum / times.size}"
+puts "Slowest time: #{times.max}"
+puts "Fastest time: #{times.min}"