for (int i = 0; i < reps; ++i) {
      if (unsafeImpl.compare(ba3, ba4) == 0) {
        throw new Error(); // deoptimization
      }
    }
  }

  /*
  try {
    UnsignedBytesBenchmark bench = new UnsignedBytesBenchmark();
    bench.length = 1024;
    bench.setUp();
    bench.timeUnsafe(100000);
  } catch (Exception e) {
  }*/

    enum WeakSetValidator implements GetCheckedTypeValidator {
      INSTANCE;

      /*
       * Static final fields are presumed to be fastest, based on our experience with
       * UnsignedBytesBenchmark. TODO(cpovirk): benchmark this
       */
      /*
       * A CopyOnWriteArraySet<WeakReference> is faster than a newSetFromMap of a MapMaker map with

      static final boolean BIG_ENDIAN = ByteOrder.nativeOrder().equals(ByteOrder.BIG_ENDIAN);

      /*
       * The following static final fields exist for performance reasons.
       *
       * In UnsignedBytesBenchmark, accessing the following objects via static final fields is the
       * fastest (more than twice as fast as the Java implementation, vs ~1.5x with non-final static