Reduce the number of warmup rounds in benchmarks

These things take forever and for most of our tests over TinkerGraph tons of rounds of warmup probably won't make that much of a difference. CTR
diff --git a/gremlin-tools/gremlin-benchmark/src/main/java/org/apache/tinkerpop/benchmark/util/AbstractBenchmarkBase.java b/gremlin-tools/gremlin-benchmark/src/main/java/org/apache/tinkerpop/benchmark/util/AbstractBenchmarkBase.java
index f647f1a..19be336 100644
--- a/gremlin-tools/gremlin-benchmark/src/main/java/org/apache/tinkerpop/benchmark/util/AbstractBenchmarkBase.java
+++ b/gremlin-tools/gremlin-benchmark/src/main/java/org/apache/tinkerpop/benchmark/util/AbstractBenchmarkBase.java
@@ -44,7 +44,7 @@
 @Fork(AbstractBenchmarkBase.DEFAULT_FORKS)
 public abstract class AbstractBenchmarkBase {
 
-    protected static final int DEFAULT_WARMUP_ITERATIONS = 10;
+    protected static final int DEFAULT_WARMUP_ITERATIONS = 3;
     protected static final int DEFAULT_MEASURE_ITERATIONS = 10;
     protected static final int DEFAULT_FORKS = 2;
     protected static final String DEFAULT_BENCHMARK_DIRECTORY = "./benchmarks/";