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authorJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-16 18:49:26 +0900
committerJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-30 00:39:06 +0900
commitfcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch)
tree64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/benchmark/bm_vm_thread_pipe.rb
Fresh start
Diffstat (limited to 'jni/ruby/benchmark/bm_vm_thread_pipe.rb')
-rw-r--r--jni/ruby/benchmark/bm_vm_thread_pipe.rb17
1 files changed, 17 insertions, 0 deletions
diff --git a/jni/ruby/benchmark/bm_vm_thread_pipe.rb b/jni/ruby/benchmark/bm_vm_thread_pipe.rb
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+++ b/jni/ruby/benchmark/bm_vm_thread_pipe.rb
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+# Mesure small and plenty pipe read/write.
+# A performance may depend on GVL implementation.
+
+lmax = 100_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}
+