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1826 Vector Oscillator fails to generate MPT1327 correlator reference samples on SIMD-512 machines. (#1832)

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Co-authored-by: Dennis Sheirer <dsheirer@github.com>
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Denny Sheirer
2024-02-09 10:39:46 -05:00
committed by GitHub
parent e125d6a452
commit d019388034
1 changed files with 13 additions and 3 deletions
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16
src/main/java/io/github/dsheirer/dsp/oscillator/VectorRealOscillator.java
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@@ -1,6 +1,6 @@
/*
* *****************************************************************************
* Copyright (C) 2014-2022 Dennis Sheirer
* Copyright (C) 2014-2024 Dennis Sheirer
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -19,6 +19,7 @@
package io.github.dsheirer.dsp.oscillator;
import java.util.Arrays;
import jdk.incubator.vector.FloatVector;
import jdk.incubator.vector.VectorOperators;
import jdk.incubator.vector.VectorSpecies;
@@ -45,7 +46,15 @@ public class VectorRealOscillator extends AbstractOscillator implements IRealOsc
@Override
public float[] generate(int sampleCount)
{
float[] samples = new float[sampleCount];
int length = sampleCount;
//Increase the length until it aligns as a multiple of the vector species length
while(length % VECTOR_SPECIES.length() != 0)
{
length++;
}
float[] samples = new float[length];
for(int samplePointer = 0; samplePointer < sampleCount; samplePointer += VECTOR_SPECIES.length())
{
@@ -58,6 +67,7 @@ public class VectorRealOscillator extends AbstractOscillator implements IRealOsc
generated.intoArray(samples, samplePointer);
}
return samples;
//Truncate the array to the requested length, if we increased it for SIMD alignment.
return Arrays.copyOf(samples, sampleCount);
}
}