* benchmark/gc: create a directory to store GC related benchmark.

* benchmark/gc/gcbench.rb: moved from tool/gcbench.rb.
* benchmark/gc/hash(1|2).rb: ditto.
* benchmark/gc/rdoc.rb: ditto.
* benchmark/gc/null.rb: added.
* common.mk: fix rule.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41473 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

benchmark/gc/gcbench.rb

@@ -0,0 +1,27 @@
+
+require 'benchmark'
+require 'pp'
+
+script = File.join(__dir__, ARGV.shift)
+script += '.rb' unless FileTest.exist?(script)
+raise "#{script} not found" unless FileTest.exist?(script)
+
+puts "Script: #{script}"
+
+GC::Profiler.enable
+tms = Benchmark.measure{|x|
+  load script
+}
+GC::Profiler.report
+pp GC.stat
+
+gc_time = GC::Profiler.total_time
+
+puts
+puts script
+puts Benchmark::CAPTION
+puts tms
+puts "GC total time (sec): #{gc_time}"
+puts
+puts "Summary #{RUBY_DESCRIPTION}\t#{tms.real}\t#{gc_time}\t#{GC.count}"
+puts "         (real time in sec, GC time in sec, GC count)"

benchmark/gc/hash1.rb

@@ -0,0 +1,11 @@
+value = 0.01
+h = {}
+n = 50_000
+
+1.upto(n){|i|
+  h["%020d" % i] = "v-#{i}"
+}
+
+(n * 1_000).times{
+  ''
+}

benchmark/gc/hash2.rb

@@ -0,0 +1,7 @@
+value = 0.01
+h = {}
+n = 4*(10**6)
+
+1.upto(n){|i|
+  h["%020d" % i] = value * i
+}

benchmark/gc/null.rb

@@ -0,0 +1 @@
+# null

benchmark/gc/rdoc.rb

@@ -0,0 +1,13 @@
+require 'rdoc/rdoc'
+require 'tmpdir'
+
+srcdir = File.expand_path('../..', __dir__)
+
+Dir.mktmpdir('rdocbench-'){|d|
+  dir = File.join(d, 'rdocbench')
+  args = %W(--root #{srcdir} --page-dir #{srcdir}/doc --encoding=UTF-8 --no-force-update --all --ri --debug --quiet #{srcdir})
+  args << '--op' << dir
+
+  r = RDoc::RDoc.new
+  r.document args
+}