* lib/benchmark.rb: split executable code into sample directory.

* sample/benchmark.rb: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46922 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 19 insertions, 0 deletions

diff --git a/sample/benchmark.rb b/sample/benchmark.rb
new file mode 100644
index 0000000000..de5d66f505
--- /dev/null
+++ b/sample/benchmark.rb
@@ -0,0 +1,19 @@
+require 'benchmark'
+
+include Benchmark
+
+n = ARGV[0].to_i.nonzero? || 50000
+puts %Q([#{n} times iterations of `a = "1"'])
+benchmark(CAPTION, 7, FORMAT) do |x|
+  x.report("for:")   {for _ in 1..n; _ = "1"; end} # Benchmark.measure
+  x.report("times:") {n.times do   ; _ = "1"; end}
+  x.report("upto:")  {1.upto(n) do ; _ = "1"; end}
+end
+
+benchmark do
+  [
+    measure{for _ in 1..n; _ = "1"; end},  # Benchmark.measure
+    measure{n.times do   ; _ = "1"; end},
+    measure{1.upto(n) do ; _ = "1"; end}
+  ]
+end