kotlin range

KotlinRangeBenchmark.java

@State(Scope.Benchmark)
@BenchmarkMode(Mode.Throughput)
@Fork(1)
@Warmup(iterations = 5)
@Measurement(iterations = 5)
public class KotlinRangeBenchmark {

    @Param({"0", "123", "1000000", "1073741823", "2147483640", "2147483647"})
    private Integer param;
    @Param({"1005000", "2147483647"})
    private int rightBound;

    private Segment segment;
    private SegmentJava segmentJava;

    @Setup
    public void setup() {
        segment = new Segment(0, rightBound);
        segmentJava = new SegmentJava(0, rightBound);
    }

    @Benchmark
    @OutputTimeUnit(TimeUnit.MILLISECONDS)
    public boolean comparisonWithCheck() {
        return segment.pointInsideComparisonWithCheck(param);
    }

    @Benchmark
    @OutputTimeUnit(TimeUnit.MILLISECONDS)
    public boolean rangeWithCheck() {
        return segment.pointInsideRangeWithCheck(param);
    }

    @Benchmark
    @OutputTimeUnit(TimeUnit.MILLISECONDS)
    public boolean range() {
        return segment.pointInsideRange(param);
    }


    @Benchmark
    @OutputTimeUnit(TimeUnit.MILLISECONDS)
    public boolean java() {
        return segmentJava.pointInside(param);
    }


}

results

Benchmark                                        (param)  (rightBound)   Mode  Samples       Score  Score error   Units
m.KotlinRangeBenchmark.comparisonWithCheck             0       1005000  thrpt        5  483574.051     6920.287  ops/ms
m.KotlinRangeBenchmark.comparisonWithCheck             0    2147483647  thrpt        5  485546.310     1312.583  ops/ms
m.KotlinRangeBenchmark.comparisonWithCheck           123       1005000  thrpt        5  475247.745     4341.617  ops/ms
m.KotlinRangeBenchmark.comparisonWithCheck           123    2147483647  thrpt        5  472085.097    10779.033  ops/ms
m.KotlinRangeBenchmark.comparisonWithCheck       1000000       1005000  thrpt        5  475617.517     1948.904  ops/ms
m.KotlinRangeBenchmark.comparisonWithCheck       1000000    2147483647  thrpt        5  473975.814     2849.188  ops/ms
m.KotlinRangeBenchmark.comparisonWithCheck    1073741823       1005000  thrpt        5  471031.757     5945.724  ops/ms
m.KotlinRangeBenchmark.comparisonWithCheck    1073741823    2147483647  thrpt        5  476453.176      449.730  ops/ms
m.KotlinRangeBenchmark.comparisonWithCheck    2147483640       1005000  thrpt        5  472104.434     1171.407  ops/ms
m.KotlinRangeBenchmark.comparisonWithCheck    2147483640    2147483647  thrpt        5  475818.884      939.923  ops/ms
m.KotlinRangeBenchmark.comparisonWithCheck    2147483647       1005000  thrpt        5  471276.693     4104.048  ops/ms
m.KotlinRangeBenchmark.comparisonWithCheck    2147483647    2147483647  thrpt        5  474723.886    10662.491  ops/ms
m.KotlinRangeBenchmark.java                            0       1005000  thrpt        5  474827.095     9314.464  ops/ms
m.KotlinRangeBenchmark.java                            0    2147483647  thrpt        5  473643.906    10603.714  ops/ms
m.KotlinRangeBenchmark.java                          123       1005000  thrpt        5  464981.836    84418.882  ops/ms
m.KotlinRangeBenchmark.java                          123    2147483647  thrpt        5  475409.914     3167.809  ops/ms
m.KotlinRangeBenchmark.java                      1000000       1005000  thrpt        5  450744.068   170167.135  ops/ms
m.KotlinRangeBenchmark.java                      1000000    2147483647  thrpt        5  474438.403     7486.278  ops/ms
m.KotlinRangeBenchmark.java                   1073741823       1005000  thrpt        5  470981.782     6929.155  ops/ms
m.KotlinRangeBenchmark.java                   1073741823    2147483647  thrpt        5  474189.849    10766.970  ops/ms
m.KotlinRangeBenchmark.java                   2147483640       1005000  thrpt        5  471881.928     1162.924  ops/ms
m.KotlinRangeBenchmark.java                   2147483640    2147483647  thrpt        5  475844.138     3612.104  ops/ms
m.KotlinRangeBenchmark.java                   2147483647       1005000  thrpt        5  470656.298     8323.160  ops/ms
m.KotlinRangeBenchmark.java                   2147483647    2147483647  thrpt        5  475970.759     1800.132  ops/ms
m.KotlinRangeBenchmark.range                           0       1005000  thrpt        5   17152.528       17.450  ops/ms
m.KotlinRangeBenchmark.range                           0    2147483647  thrpt        5   17181.775      141.423  ops/ms
m.KotlinRangeBenchmark.range                         123       1005000  thrpt        5    9168.400      146.442  ops/ms
m.KotlinRangeBenchmark.range                         123    2147483647  thrpt        5    9013.292      729.822  ops/ms
m.KotlinRangeBenchmark.range                     1000000       1005000  thrpt        5       0.237        0.047  ops/ms
m.KotlinRangeBenchmark.range                     1000000    2147483647  thrpt        5       0.239        0.047  ops/ms
m.KotlinRangeBenchmark.range                  1073741823       1005000  thrpt        5       0.247        0.056  ops/ms
m.KotlinRangeBenchmark.range                  1073741823    2147483647  thrpt        5       0.000        0.000  ops/ms
m.KotlinRangeBenchmark.range                  2147483640       1005000  thrpt        5       0.248        0.048  ops/ms
m.KotlinRangeBenchmark.range                  2147483640    2147483647  thrpt        5       0.000        0.000  ops/ms
m.KotlinRangeBenchmark.range                  2147483647       1005000  thrpt        5       0.245        0.060  ops/ms
m.KotlinRangeBenchmark.range                  2147483647    2147483647  thrpt        5       0.000        0.000  ops/ms
m.KotlinRangeBenchmark.rangeWithCheck                  0       1005000  thrpt        5  484967.240    13519.759  ops/ms
m.KotlinRangeBenchmark.rangeWithCheck                  0    2147483647  thrpt        5  486319.732     2318.383  ops/ms
m.KotlinRangeBenchmark.rangeWithCheck                123       1005000  thrpt        5  486596.469      817.215  ops/ms
m.KotlinRangeBenchmark.rangeWithCheck                123    2147483647  thrpt        5  483059.951    10142.874  ops/ms
m.KotlinRangeBenchmark.rangeWithCheck            1000000       1005000  thrpt        5  485722.943     2704.185  ops/ms
m.KotlinRangeBenchmark.rangeWithCheck            1000000    2147483647  thrpt        5  484675.076    15521.748  ops/ms
m.KotlinRangeBenchmark.rangeWithCheck         1073741823       1005000  thrpt        5  485166.040     6240.158  ops/ms
m.KotlinRangeBenchmark.rangeWithCheck         1073741823    2147483647  thrpt        5  484290.270    11677.839  ops/ms
m.KotlinRangeBenchmark.rangeWithCheck         2147483640       1005000  thrpt        5  481276.015    12541.818  ops/ms
m.KotlinRangeBenchmark.rangeWithCheck         2147483640    2147483647  thrpt        5  485601.811     1572.481  ops/ms
m.KotlinRangeBenchmark.rangeWithCheck         2147483647       1005000  thrpt        5  482057.115     9245.777  ops/ms
m.KotlinRangeBenchmark.rangeWithCheck         2147483647    2147483647  thrpt        5  485515.129     5229.331  ops/ms

Segment.kt

data class Segment(val start: Int, val end: Int) {


    fun pointInsideComparisonWithCheck(point: Int?): Boolean {
        if (point != null) {
            return start <= point && point <= end
        } else {
            return false
        }
    }

    fun pointInsideRangeWithCheck(point: Int?): Boolean {
        if (point != null) {
            return point in start..end
        } else {
            return false
        }
    }


    fun pointInsideRange(point: Int?): Boolean {
        return point in start..end
    }
}

SegmentJava.java

public class SegmentJava {

    private final int start;
    private final int end;

    public SegmentJava(int start, int end) {

        this.start = start;
        this.end = end;
    }


    public boolean pointInside(Integer point) {
        if (point != null) {
            return start <= point && point <= end;
        } else {
            return false;
        }
    }

}