47 lines
1.2 KiB
Java
47 lines
1.2 KiB
Java
package com.baeldung.matrices.nd4j;
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import org.junit.jupiter.api.Test;
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import org.nd4j.linalg.api.ndarray.INDArray;
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import org.nd4j.linalg.factory.Nd4j;
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import org.openjdk.jmh.annotations.*;
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import static org.assertj.core.api.Assertions.assertThat;
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@BenchmarkMode(Mode.AverageTime)
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@Fork(value = 2)
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@Warmup(iterations = 5)
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@Measurement(iterations = 10)
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public class INDArrayUnitTest {
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@Test
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public void givenTwoMatrices_whenMultiply_thenMultiplicatedMatrix() {
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INDArray firstMatrix = Nd4j.create(
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new double[][]{
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new double[]{1d, 5d},
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new double[]{2d, 3d},
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new double[]{1d, 7d}
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}
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);
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INDArray secondMatrix = Nd4j.create(
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new double[][] {
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new double[] {1d, 2d, 3d, 7d},
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new double[] {5d, 2d, 8d, 1d}
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}
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);
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INDArray expected = Nd4j.create(
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new double[][] {
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new double[] {26d, 12d, 43d, 12d},
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new double[] {17d, 10d, 30d, 17d},
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new double[] {36d, 16d, 59d, 14d}
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}
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);
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INDArray actual = firstMatrix.mmul(secondMatrix);
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assertThat(actual).isEqualTo(expected);
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}
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}
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