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authorkosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2011-04-29 01:44:32 +0000
committerkosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2011-04-29 01:44:32 +0000
commit3c24bc37a00901427add4f96f7f37411a0eb8da5 (patch)
tree21fdd1f353327ecefe5da35d2d95dd2e24046bb7 /benchmark
parente4ba4b79b657f784ab52a339958c1ebb2320e906 (diff)
* benchmark/bm_vm4_pipe.rb: Add two new benchmark for GVL
performance. They was written by Koichi Sasada. * benchmark/bm_vm4_thread_pass.rb: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31379 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'benchmark')
-rw-r--r--benchmark/bm_vm4_pipe.rb17
-rw-r--r--benchmark/bm_vm4_thread_pass.rb15
2 files changed, 32 insertions, 0 deletions
diff --git a/benchmark/bm_vm4_pipe.rb b/benchmark/bm_vm4_pipe.rb
new file mode 100644
index 0000000..d33c522
--- /dev/null
+++ b/benchmark/bm_vm4_pipe.rb
@@ -0,0 +1,17 @@
+# Mesure small and plenty pipe read/write.
+# A performance may depend on GVL implementation.
+
+lmax = 1_000_000
+r, w = IO.pipe
+[Thread.new{
+ lmax.times{
+ w.write('a')
+ }
+ p "w:exit"
+}, Thread.new{
+ lmax.times{
+ r.read(1)
+ }
+ p "r:exit"
+}].each{|t| t.join}
+
diff --git a/benchmark/bm_vm4_thread_pass.rb b/benchmark/bm_vm4_thread_pass.rb
new file mode 100644
index 0000000..171bfec
--- /dev/null
+++ b/benchmark/bm_vm4_thread_pass.rb
@@ -0,0 +1,15 @@
+# Plenty Thtread.pass
+# A performance may depend on GVL implementation.
+
+tmax = (ARGV.shift || 2).to_i
+lmax = 2_000_000 / tmax
+
+(1..tmax).map{
+ Thread.new{
+ lmax.times{
+ Thread.pass
+ }
+ }
+}.each{|t| t.join}
+
+