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-rw-r--r--benchmark/vm_thread_mutex1.yml25
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diff --git a/benchmark/vm_thread_mutex1.yml b/benchmark/vm_thread_mutex1.yml
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+prelude: |
+ # one thread, one mutex (no contention)
+benchmark:
+ vm_thread_mutex1: |
+
+ require 'thread'
+ m = Thread::Mutex.new
+ r = 0
+ max = 2000
+ lmax = max * max
+ (1..1).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
+loop_count: 1