@Benchmark
public void defaultPut(final Blackhole blackhole) {
final Map<Integer, String> ourMap = this.ourMap;
final List<Integer> indexes = this.indexes;
final List<String> values = this.values;
for (int i = 0, n = indexes.size(); i < n; i++) {
blackhole.consume(defaultMap.put(indexes.get(i), values.get(i)));
}
}
@Setup
public void setup() {
for (int i = 0; i < size; i++) {
ourMap.put(i, String.valueOf(i));
defaultMap.put(i, String.valueOf(i));
}
indexes = new ArrayList<>();
values = new ArrayList<>();
Random random = new Random(100);
for (int i = 1; i <= 100; i++) {
int index = random.nextInt(size);
indexes.add(index);
values.add(String.valueOf(index));
}
}
@Setup
public void setup(Blackhole bh) {
arrayList = new ArrayList<>();
arrayList.add(1);
lambda = SingletonSet.of(1);
lambdaBugged = SingletonSetBugged.of(1);
ix = Ix.just(1);
singleton = Collections.singleton(1);
singletonList = Collections.singletonList(1);
c = bh::consume;
}
@GenerateMicroBenchmark
public int serialArrayList() {
return arrayList.stream().mapToInt(i -> i).sum();
}
// BEGIN addIntegers
private int addIntegers(List<Integer> values) {
return values.parallelStream().mapToInt(i -> i).sum();
}
@GenerateMicroBenchmark
public int arrayList() {
return arrayList.parallelStream().mapToInt(i -> i).sum();
}
// @Benchmark
public void arrayList() {
arrayList.forEach(c);
}