Examples with MurmurHash3 org.elasticsearch.common.hash.MurmurHash3 used on opensource projects

Example 1 with MurmurHash3

use of org.elasticsearch.common.hash.MurmurHash3 in project crate by crate.

the class HyperLogLogDistinctAggregationBenchmark method setUp.

@Setup
public void setUp() throws Exception {
    hash = new MurmurHash3.Hash128();
    final InputCollectExpression inExpr0 = new InputCollectExpression(0);
    Functions functions = new ModulesBuilder().add(new ExtraFunctionsModule()).createInjector().getInstance(Functions.class);
    final HyperLogLogDistinctAggregation hllAggregation = (HyperLogLogDistinctAggregation) functions.getQualified(Signature.aggregate(HyperLogLogDistinctAggregation.NAME, DataTypes.STRING.getTypeSignature(), DataTypes.LONG.getTypeSignature()), List.of(DataTypes.STRING), DataTypes.STRING);
    onHeapMemoryManager = new OnHeapMemoryManager(bytes -> {
    });
    offHeapMemoryManager = new OffHeapMemoryManager();
    hyperLogLogPlusPlus = new HyperLogLogPlusPlus(HyperLogLogPlusPlus.DEFAULT_PRECISION, onHeapMemoryManager::allocate);
    onHeapCollector = new AggregateCollector(Collections.singletonList(inExpr0), RamAccounting.NO_ACCOUNTING, onHeapMemoryManager, Version.CURRENT, AggregateMode.ITER_FINAL, new AggregationFunction[] { hllAggregation }, Version.CURRENT, new Input[][] { { inExpr0 } }, new Input[] { Literal.BOOLEAN_TRUE });
    offHeapCollector = new AggregateCollector(Collections.singletonList(inExpr0), RamAccounting.NO_ACCOUNTING, offHeapMemoryManager, Version.CURRENT, AggregateMode.ITER_FINAL, new AggregationFunction[] { hllAggregation }, Version.CURRENT, new Input[][] { { inExpr0 } }, new Input[] { Literal.BOOLEAN_TRUE });
}