[commons-rng] branch master updated: Add Integer/Long seed creation time benchmark.

[aherbert]

This is an automated email from the ASF dual-hosted git repository.

aherbert pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-rng.git


The following commit(s) were added to refs/heads/master by this push:
     new bedc55f  Add Integer/Long seed creation time benchmark.
bedc55f is described below

commit bedc55f611fe2305ba411f50e073f1a43e8dff6d
Author: Alex Herbert <aherb...@apache.org>
AuthorDate: Sun Jun 2 21:25:53 2019 +0100

    Add Integer/Long seed creation time benchmark.
---
 .../rng/examples/jmh/ConstructionPerformance.java  | 30 +++++++++++++++++++---
 1 file changed, 26 insertions(+), 4 deletions(-)

diff --git 
a/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/examples/jmh/ConstructionPerformance.java
 
b/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/examples/jmh/ConstructionPerformance.java
index 4c36838..61678a2 100644
--- 
a/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/examples/jmh/ConstructionPerformance.java
+++ 
b/commons-rng-examples/examples-jmh/src/main/java/org/apache/commons/rng/examples/jmh/ConstructionPerformance.java
@@ -457,8 +457,7 @@ public class ConstructionPerformance {
     @State(Scope.Benchmark)
     public static class IntSizes {
         /** The number of values. */
-        @Param({"1",
-                "2",
+        @Param({"2",
                 "4",
                 "32",
                 "128", // Legacy limit on array size generation
@@ -485,8 +484,7 @@ public class ConstructionPerformance {
     @State(Scope.Benchmark)
     public static class LongSizes {
         /** The number of values. */
-        @Param({"1",
-                "2",
+        @Param({"2",
                 "4",
                 "8",
                 "16",
@@ -912,4 +910,28 @@ public class ConstructionPerformance {
             bh.consume(SeedFactory.createLongArray(sizes.getSize()));
         }
     }
+
+    /**
+     * @param sizes   Size of {@code int[]} seed.
+     * @param bh      Data sink.
+     */
+    @Benchmark
+    public void createIntegerSeed(IntSizes sizes, Blackhole bh) {
+        for (int i = 0; i < SEEDS; i++) {
+            // This has to be boxed to an object
+            bh.consume(Integer.valueOf(SeedFactory.createInt()));
+        }
+    }
+
+    /**
+     * @param sizes   Size of {@code long[]} seed.
+     * @param bh      Data sink.
+     */
+    @Benchmark
+    public void createLongSeed(LongSizes sizes, Blackhole bh) {
+        for (int i = 0; i < SEEDS; i++) {
+            // This has to be boxed to an object
+            bh.consume(Long.valueOf(SeedFactory.createLong()));
+        }
+    }
 }