setZero in prepare

Author: ViggoC

performance/src/main/java/org/apache/arrow/vector/VariableWidthViewVectorInlineValueBenchmarks.java

@@ -23,6 +23,7 @@
 import org.apache.arrow.vector.holders.NullableViewVarCharHolder;
 import org.openjdk.jmh.annotations.Benchmark;
 import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Fork;
 import org.openjdk.jmh.annotations.Level;
 import org.openjdk.jmh.annotations.Mode;
 import org.openjdk.jmh.annotations.OutputTimeUnit;
@@ -31,6 +32,7 @@
 import org.openjdk.jmh.annotations.Setup;
 import org.openjdk.jmh.annotations.State;
 import org.openjdk.jmh.annotations.TearDown;
+import org.openjdk.jmh.annotations.Warmup;
 import org.openjdk.jmh.runner.Runner;
 import org.openjdk.jmh.runner.RunnerException;
 import org.openjdk.jmh.runner.options.Options;
@@ -58,17 +60,18 @@ public class VariableWidthViewVectorInlineValueBenchmarks {
   private int step;
 
   /** Setup benchmarks. */
-  @Setup(Level.Iteration)
+  @Setup(Level.Invocation)
   public void prepare() {
     allocator = new RootAllocator();
     vector = new ViewVarCharVector("vector", allocator);
     vector.allocateNew(VECTOR_CAPACITY, VECTOR_LENGTH);
+    vector.zeroVector();
     arrowBuff = allocator.buffer(VECTOR_LENGTH);
     arrowBuff.setBytes(0, bytes, 0, bytes.length);
   }
 
   /** Tear down benchmarks. */
-  @TearDown(Level.Iteration)
+  @TearDown(Level.Invocation)
   public void tearDown() {
     arrowBuff.close();
     vector.close();