package com.google.common.hash;

import com.google.caliper.BeforeExperiment;
import com.google.caliper.Benchmark;
import com.google.caliper.Param;
import java.util.Random;
import org.jspecify.annotations.NullUnmarked;

/**
 * Benchmarks for comparing the various {@link HashFunction functions} that we provide.
 *
 * <p>Parameters for the benchmark are:
 *
 * <ul>
 *   <li>size: The length of the byte array to hash.

            uv.lock
      - name: Install Dependencies
        run: uv sync --no-dev --group tests --extra all
      - name: CodSpeed benchmarks
        uses: CodSpeedHQ/action@v4
        with:
          mode: simulation
          run: uv run --no-sync pytest tests/benchmarks --codspeed

  coverage-combine:
    needs:
      - test
    runs-on: ubuntu-latest
    steps:
      - name: Dump GitHub context

Check more details in the [Deployment](deployment/index.md) section.

///

## Benchmarks and speed { #benchmarks-and-speed }

import static com.google.common.math.MathBenchmarking.randomPositiveBigInteger;

import com.google.caliper.BeforeExperiment;
import com.google.caliper.Benchmark;
import com.google.caliper.Param;
import java.math.RoundingMode;
import org.jspecify.annotations.NullUnmarked;

/**
 * Benchmarks for the rounding methods of {@code LongMath}.
 *
 * @author Louis Wasserman
 */
@NullUnmarked
public class LongMathRoundingBenchmark {

import static com.google.common.math.MathBenchmarking.randomPositiveBigInteger;

import com.google.caliper.BeforeExperiment;
import com.google.caliper.Benchmark;
import com.google.caliper.Param;
import java.math.RoundingMode;
import org.jspecify.annotations.NullUnmarked;

/**
 * Benchmarks for the rounding methods of {@code IntMath}.
 *
 * @author Louis Wasserman
 */
@NullUnmarked
public class IntMathRoundingBenchmark {

import com.google.caliper.BeforeExperiment;
import com.google.caliper.Benchmark;
import com.google.caliper.Param;
import java.security.MessageDigest;
import java.util.Arrays;
import java.util.Random;
import org.jspecify.annotations.NullUnmarked;

/**
 * Benchmarks for comparing the various {@link HashCode#equals} methods.
 *
 * <p>Parameters for the benchmark are:
 *
 * <ul>
 *   <li>size: the length of the byte array to hash

import com.google.caliper.BeforeExperiment;
import com.google.caliper.Benchmark;
import com.google.caliper.Param;
import java.math.BigInteger;
import java.math.RoundingMode;
import org.jspecify.annotations.NullUnmarked;

/**
 * Benchmarks for the rounding methods of {@code BigIntegerMath}.
 *
 * @author Louis Wasserman
 */
@NullUnmarked

import com.google.caliper.Benchmark;
import com.google.caliper.Param;
import com.google.common.base.Function;
import java.math.BigInteger;
import java.util.Comparator;
import java.util.PriorityQueue;
import java.util.Queue;
import java.util.Random;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**

import com.google.caliper.Benchmark;
import com.google.caliper.Param;
import com.google.common.base.Function;
import java.math.BigInteger;
import java.util.Comparator;
import java.util.PriorityQueue;
import java.util.Queue;
import java.util.Random;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**

  }

  @Benchmark
  @Footprint(exclude = Element.class)
  public Map<Element, Element> create() throws Exception {
    return mapsImpl.create(contents);
  }

  @Benchmark
  public int iterate() {
    long retVal = 0;
    for (Object entry : map.entrySet()) {
      retVal += entry.hashCode();
    }
    return (int) retVal;
  }

  @Benchmark
  public int keyIterate() {