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(index) Experimental ranking signals

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Viktor Lofgren 2024-08-03 10:32:46 +02:00
parent c6c8b059bf
commit eba2844361
1 changed files with 23 additions and 4 deletions
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27
code/libraries/coded-sequence/src/jmh/java/nu/marginalia/bench/SequenceBenchmarks.java
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@ -1,5 +1,7 @@
package nu.marginalia.bench; package nu.marginalia.bench;
import it.unimi.dsi.fastutil.ints.IntArrayList;
import it.unimi.dsi.fastutil.ints.IntList;
import nu.marginalia.sequence.GammaCodedSequence; import nu.marginalia.sequence.GammaCodedSequence;
import nu.marginalia.sequence.VarintCodedSequence; import nu.marginalia.sequence.VarintCodedSequence;
import org.openjdk.jmh.annotations.*; import org.openjdk.jmh.annotations.*;
@ -12,27 +14,44 @@ public class SequenceBenchmarks {
public static class SequenceState { public static class SequenceState {
VarintCodedSequence vcs; VarintCodedSequence vcs;
GammaCodedSequence gcs; GammaCodedSequence gcs;
IntList list;
ByteBuffer workArea; ByteBuffer workArea;
int[] arrayValues;
int[] valueBuffer; int[] valueBuffer;
public SequenceState() public SequenceState()
{ {
valueBuffer = new int[128]; valueBuffer = new int[128];
workArea = ByteBuffer.allocate(65536); workArea = ByteBuffer.allocate(65536);
arrayValues = new int[] { 1, 3, 5, 16, 1024, 2048, 4096, 4098, 4100 };
list = new IntArrayList(arrayValues);
vcs = VarintCodedSequence.generate(1, 3, 5, 16, 1024, 2048); vcs = VarintCodedSequence.generate(1, 3, 5, 16, 1024, 2048);
gcs = GammaCodedSequence.generate(workArea, 1, 3, 5, 16, 1024, 2048); gcs = GammaCodedSequence.generate(workArea, 1, 3, 5, 16, 1024, 2048);
} }
} }
// @Fork(value = 5, warmups = 5)
// @Warmup(iterations = 5)
// @Benchmark
// @BenchmarkMode(Mode.Throughput)
// public int vcsDecode(SequenceState state) {
// var iter = state.vcs.iterator();
// int sum = 0;
// while (iter.hasNext()) {
// sum += iter.nextInt();
// }
// return sum;
// }
@Fork(value = 5, warmups = 5) @Fork(value = 5, warmups = 5)
@Warmup(iterations = 5) @Warmup(iterations = 5)
@Benchmark @Benchmark
@BenchmarkMode(Mode.Throughput) @BenchmarkMode(Mode.Throughput)
public int vcsDecode(SequenceState state) { public int listDecode2(SequenceState state) {
var iter = state.vcs.iterator(); var list = state.arrayValues;
int sum = 0; int sum = 0;
while (iter.hasNext()) { for (int i = 0; i < list.length; i++) {
sum += iter.nextInt(); sum += list[i];
} }
return sum; return sum;
} }