diff options
author | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-16 18:49:26 +0900 |
---|---|---|
committer | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-30 00:39:06 +0900 |
commit | fcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch) | |
tree | 64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/benchmark/bm_vm_thread_mutex2.rb |
Fresh start
Diffstat (limited to 'jni/ruby/benchmark/bm_vm_thread_mutex2.rb')
-rw-r--r-- | jni/ruby/benchmark/bm_vm_thread_mutex2.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/jni/ruby/benchmark/bm_vm_thread_mutex2.rb b/jni/ruby/benchmark/bm_vm_thread_mutex2.rb new file mode 100644 index 0000000..10de590 --- /dev/null +++ b/jni/ruby/benchmark/bm_vm_thread_mutex2.rb @@ -0,0 +1,21 @@ +# two threads, one mutex + +require 'thread' +m = Mutex.new +r = 0 +max = 2000 +lmax = (max * max)/2 +(1..2).map{ + Thread.new{ + i = 0 + while i<lmax + i += 1 + m.synchronize{ + r += 1 + } + end + } +}.each{|e| + e.join +} +raise r.to_s if r != max * max |