public void doTrial()

in src/main/java/org/apache/datasketches/characterization/quantiles/DoublesSketchSpeedProfile.java [93:192]
80 lines of code
7 McCabe index (conditional complexity)

  public void doTrial() {
    DoublesSketchAccuracyProfile.shuffle(randomInput);

    final long startBuild = System.nanoTime();
    final UpdateDoublesSketch updateSketch = useDirect
        ? builder.build(updateSketchMemory)
        : builder.build();
    final long stopBuild = System.nanoTime();
    buildTimeNs += stopBuild - startBuild;

    final long startUpdate = System.nanoTime();
    for (int i = 0; i < randomInput.length; i++) {
      updateSketch.update(randomInput[i]);
    }
    final long stopUpdate = System.nanoTime();
    updateTimeNs += stopUpdate - startUpdate;

    {
      final long startGetQuantiles = System.nanoTime();
      updateSketch.getQuantiles(orderedLittleDoubles);
      final long stopGetQuantiles = System.nanoTime();
      updateGetQuantilesTimeNs += stopGetQuantiles - startGetQuantiles;

      final long startGetCdf = System.nanoTime();
      updateSketch.getCDF(orderedLittleDoubles);
      final long stopGetCdf = System.nanoTime();
      updateGetCdfTimeNs += stopGetCdf - startGetCdf;

      final long startGetRank = System.nanoTime();
      final double[] estRanks = updateSketch.getRanks(orderedLittleDoubles);
      final long stopGetRank = System.nanoTime();
      updateGetRankTimeNs += stopGetRank - startGetRank;

      final long startSerialize = System.nanoTime();
      final byte[] bytes = updateSketch.toByteArray();
      final long stopSerialize = System.nanoTime();
      updateSerializeTimeNs += stopSerialize - startSerialize;

      final WritableMemory mem = WritableMemory.writableWrap(bytes);
      final long startDeserialize = System.nanoTime();
      if (useDirect) {
        UpdateDoublesSketch.wrap(mem);
      } else {
        UpdateDoublesSketch.heapify(mem);
      }
      final long stopDeserialize = System.nanoTime();
      updateDeserializeTimeNs += stopDeserialize - startDeserialize;

      // could record the last one since they must be the same
      // but let's average across all trials to see if there is an anomaly
      updateSerializedSizeBytes += bytes.length;
    }

    final long startCompact = System.nanoTime();
    final DoublesSketch compactSketch = useDirect
        ? updateSketch.compact(compactSketchMemory)
        : updateSketch.compact();
    final long stopCompact = System.nanoTime();
    compactTimeNs += stopCompact - startCompact;

    {
      final long startGetQuantiles = System.nanoTime();
      compactSketch.getQuantiles(orderedLittleDoubles);
      final long stopGetQuantiles = System.nanoTime();
      compactGetQuantilesTimeNs += stopGetQuantiles - startGetQuantiles;

      final long startGetCdf = System.nanoTime();
      compactSketch.getCDF(orderedLittleDoubles);
      final long stopGetCdf = System.nanoTime();
      compactGetCdfTimeNs += stopGetCdf - startGetCdf;

      final long startGetRank = System.nanoTime();
      for (final double value: orderedLittleDoubles) {
        //compactSketch.getRank(value);
        final double estRank = compactSketch.getCDF(new double[] {value})[0];
      }
      final long stopGetRank = System.nanoTime();
      compactGetRankTimeNs += stopGetRank - startGetRank;

      final long startSerialize = System.nanoTime();
      final byte[] bytes = compactSketch.toByteArray();
      final long stopSerialize = System.nanoTime();
      compactSerializeTimeNs += stopSerialize - startSerialize;

      final Memory mem = Memory.wrap(bytes);
      final long startDeserialize = System.nanoTime();
      if (useDirect) {
        DoublesSketch.wrap(mem);
      } else {
        DoublesSketch.heapify(mem);
      }
      final long stopDeserialize = System.nanoTime();
      compactDeserializeTimeNs += stopDeserialize - startDeserialize;

      // could record the last one since they must be the same
      // but let's average across all trials to see if there is an anomaly
      compactSerializedSizeBytes += bytes.length;
      numRetainedItems += compactSketch.getNumRetained();
    }
  }