Performance test

Author: cardil

pom.xml

@@ -92,6 +92,12 @@
             <version>1.11.3</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-simple</artifactId>
+            <version>1.7.13</version>
+            <scope>test</scope>
+        </dependency>
 
     </dependencies>
 

src/main/java/pl/wavesoftware/eid/exceptions/Eid.java

@@ -64,8 +64,6 @@ public class Eid implements Serializable {
 
     private final Future<String> futureUniqueId;
 
-    private final Future<String> repr;
-
     /**
      * Constructor
      *
@@ -81,7 +79,6 @@ protected String produce() {
         };
         this.id = id;
         this.ref = ref == null ? "" : ref;
-        repr = new ToStringRepr();
     }
 
     /**
@@ -185,7 +182,10 @@ public String makeLogMessage(@Nonnull String logMessageFormat, @Nonnull Object..
 
     @Override
     public String toString() {
-        return repr.get();
+        if ("".equals(ref)) {
+            return String.format(format, id, futureUniqueId.get());
+        }
+        return String.format(refFormat, id, ref, futureUniqueId.get());
     }
 
     /**
@@ -262,17 +262,6 @@ public T get() {
         }
     }
 
-    private class ToStringRepr extends StdFuture<String> {
-
-        @Override
-        protected String produce() {
-            if ("".equals(ref)) {
-                return String.format(format, id, futureUniqueId.get());
-            }
-            return String.format(refFormat, id, ref, futureUniqueId.get());
-        }
-    }
-
     private static final class StdUniqIdGenerator implements UniqIdGenerator {
 
         private static final int BASE36 = 36;

src/test/java/pl/wavesoftware/eid/exceptions/EidIT.java

@@ -10,6 +10,8 @@
 import org.openjdk.jmh.runner.options.Options;
 import org.openjdk.jmh.runner.options.OptionsBuilder;
 import org.openjdk.jmh.runner.options.TimeValue;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.util.Collection;
 import java.util.Date;
@@ -24,6 +26,9 @@
 public class EidIT {
 
     private static final int OPERATIONS = 1000;
+    private static final Logger LOG = LoggerFactory.getLogger(EidIT.class);
+    private static final double SPEED_THRESHOLD = 0.75d;
+    public static final int PERCENT = 100;
 
     @Test
     public void doBenckmarking() throws Exception {
@@ -45,6 +50,26 @@ public void doBenckmarking() throws Exception {
         Runner runner = new Runner(opt);
         Collection<RunResult> results = runner.run();
         assertThat(results).hasSize(2);
+
+        RunResult control = getRunResultByName(results, "control");
+        RunResult eid = getRunResultByName(results, "eid");
+        assertThat(control).isNotNull();
+        assertThat(eid).isNotNull();
+
+        double controlScore = control.getAggregatedResult().getPrimaryResult().getScore();
+        double eidScore = eid.getAggregatedResult().getPrimaryResult().getScore();
+
+        String title = "method speed quotient to the control sample";
+        String eidTitle = String.format("%s %s should be at least %.2f%%", "#exhibit()",
+                title, SPEED_THRESHOLD * PERCENT);
+
+        double eidTimes = eidScore / controlScore;
+
+        LOG.info(String.format("Control sample method time per operation: %.2f µsec", controlScore));
+        LOG.info(String.format("#eid() method time per operation:         %.2f µsec", eidScore));
+        LOG.info(String.format("%s and is %.2f%%", eidTitle, eidTimes * PERCENT));
+
+        assertThat(eidTimes).as(eidTitle).isGreaterThanOrEqualTo(SPEED_THRESHOLD);
     }
 
     @Benchmark
@@ -60,4 +85,14 @@ public void eid(Blackhole bh) {
             bh.consume(new Eid("20160324:223837"));
         }
     }
+
+    private static RunResult getRunResultByName(Collection<RunResult> results, String name) {
+        String fullName = String.format("%s.%s", EidIT.class.getName(), name);
+        for (RunResult result : results) {
+            if (result.getParams().getBenchmark().equals(fullName)) {
+                return result;
+            }
+        }
+        throw new EidRuntimeException("20160324:225412", "Invalid name: " + name);
+    }
 }