Add contended case.

jruby · Oct 14, 2015 · b7bf353 · b7bf353
1 parent a18758f
commit b7bf353
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/bench/java/bench_java_overloaded_invocation.rb b/bench/java/bench_java_overloaded_invocation.rb
@@ -3,7 +3,7 @@
 
 import java.lang.Math
 
-Benchmark.bm(40) {|bm|
+Benchmark.bm(45) {|bm|
   # Math.abs computation cost is negligible for these tests
   (ARGV[0] || 5).to_i.times {
     bm.report("Control") {
@@ -41,5 +41,10 @@
       value = 2.0 ** 128
       10_000_000.times { m.abs(value) }
     }
+    bm.report("Contended Math.abs with double-ranged Float") {
+      m = Math
+      value = 2.0 ** 128
+      10.times.map {|i| Thread.new { 1_000_000.times { m.abs(value) } } }.each(&:join)
+    }
   }
-}
+}