1 files changed, 0 insertions, 228 deletions
diff --git a/tests/com/jsyn/benchmarks/BenchJSyn.java b/tests/com/jsyn/benchmarks/BenchJSyn.java
deleted file mode 100644
index 5b8d128..0000000
--- a/tests/com/jsyn/benchmarks/BenchJSyn.java
+++ /dev/null
@@ -1,228 +0,0 @@
-/*
- * Copyright 2013 Phil Burk, Mobileer Inc
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *     http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/**
- * 
- */
-
-package com.jsyn.benchmarks;
-
-import com.jsyn.JSyn;
-import com.jsyn.Synthesizer;
-import com.jsyn.unitgen.PassThrough;
-import com.jsyn.unitgen.PitchDetector;
-import com.jsyn.unitgen.SawtoothOscillator;
-import com.jsyn.unitgen.SawtoothOscillatorBL;
-import com.jsyn.unitgen.SawtoothOscillatorDPW;
-import com.jsyn.unitgen.SineOscillator;
-import com.jsyn.unitgen.SquareOscillator;
-import com.jsyn.unitgen.SquareOscillatorBL;
-import com.jsyn.unitgen.UnitOscillator;
-import com.softsynth.math.FourierMath;
-
-/**
- * @author Phil Burk (C) 2013 Mobileer Inc
- */
-public class BenchJSyn {
-    private Synthesizer synth;
-    private long startTime;
-    private long endTime;
-    private PassThrough pass;
-
-    public void run() {
-        try {
-            // Run multiple times to see if HotSpot compiler or cache makes a difference.
-            for (int i = 0; i < 4; i++) {
-                benchmark();
-            }
-        } catch (InstantiationException e) {
-            e.printStackTrace();
-        } catch (IllegalAccessException e) {
-            e.printStackTrace();
-        } catch (InterruptedException e) {
-            e.printStackTrace();
-        }
-    }
-
-    private void benchmark() throws InstantiationException, IllegalAccessException,
-            InterruptedException {
-        double realTime = 10.0;
-        int count = 40;
-
-        // benchFFTDouble();
-        // benchFFTFloat();
-        /*
-         * realTime = 20.0; benchmarkOscillator(SawtoothOscillator.class, count, realTime);
-         * benchmarkOscillator(SawtoothOscillatorDPW.class, count, realTime);
-         * benchmarkOscillator(SawtoothOscillatorBL.class, count, realTime);
-         */
-        benchmarkOscillator(SquareOscillator.class, count, realTime);
-        benchmarkOscillator(SquareOscillatorBL.class, count, realTime);
-
-        benchmarkOscillator(SineOscillator.class, count, realTime);
-        benchmarkPitchDetector(count, realTime);
-
-    }
-
-    public void benchFFTDouble() {
-        int size = 2048;
-        int bin = 5;
-        int count = 20000;
-        double[] ar = new double[size];
-        double[] ai = new double[size];
-        double[] magnitudes = new double[size];
-
-        double amplitude = 1.0;
-        addSineWave(size, bin, ar, amplitude);
-        System.out.println("Bench double FFT");
-        startTiming();
-        for (int i = 0; i < count; i++) {
-            FourierMath.transform(1, size, ar, ai);
-        }
-
-        endTiming(FourierMath.class, count, size / (2.0 * 44100));
-        FourierMath.calculateMagnitudes(ar, ai, magnitudes);
-
-        assert (magnitudes[bin - 1] < 0.001);
-        assert (magnitudes[bin] > 0.5);
-        assert (magnitudes[bin + 1] < 0.001);
-
-    }
-
-    public void benchFFTFloat() {
-        int size = 2048;
-        int bin = 5;
-        int count = 20000;
-        float[] ar = new float[size];
-        float[] ai = new float[size];
-        float[] magnitudes = new float[size];
-
-        float amplitude = 1.0f;
-        addSineWave(size, bin, ar, amplitude);
-
-        System.out.println("Bench float FFT");
-        startTiming();
-        for (int i = 0; i < count; i++) {
-            FourierMath.transform(1, size, ar, ai);
-        }
-
-        endTiming(FourierMath.class, count, size / (2.0 * 44100));
-        FourierMath.calculateMagnitudes(ar, ai, magnitudes);
-
-        assert (magnitudes[bin - 1] < 0.001);
-        assert (magnitudes[bin] > 0.5);
-        assert (magnitudes[bin + 1] < 0.001);
-
-    }
-
-    private void addSineWave(int size, int bin, double[] ar, double amplitude) {
-        double phase = 0.0;
-        double phaseIncrement = 2.0 * Math.PI * bin / size;
-        for (int i = 0; i < size; i++) {
-            ar[i] += Math.sin(phase) * amplitude;
-            // System.out.println( i + " = " + ar[i] );
-            phase += phaseIncrement;
-        }
-    }
-
-    private void addSineWave(int size, int bin, float[] ar, float amplitude) {
-        float phase = 0.0f;
-        float phaseIncrement = (float) (2.0 * Math.PI * bin / size);
-        for (int i = 0; i < size; i++) {
-            ar[i] += (float) Math.sin(phase) * amplitude;
-            // System.out.println( i + " = " + ar[i] );
-            phase += phaseIncrement;
-        }
-    }
-
-    private void stopSynth() {
-        synth.stop();
-    }
-
-    private void startSynth() {
-        synth = JSyn.createSynthesizer(); // Mac
-        // synth = JSyn.createSynthesizer( new JSynAndroidAudioDevice() ); // Android
-        synth.setRealTime(false);
-        pass = new PassThrough();
-        synth.add(pass);
-        synth.start();
-        pass.start();
-    }
-
-    private void benchmarkOscillator(Class<?> clazz, int count, double realTime)
-            throws InstantiationException, IllegalAccessException, InterruptedException {
-        startSynth();
-        for (int i = 0; i < count; i++) {
-            UnitOscillator osc = (UnitOscillator) clazz.newInstance();
-            osc.output.connect(pass.input);
-            synth.add(osc);
-        }
-        startTiming();
-        synth.sleepFor(realTime);
-        endTiming(clazz, count, realTime);
-        stopSynth();
-    }
-
-    private void benchmarkPitchDetector(int count, double realTime) throws InstantiationException,
-            IllegalAccessException, InterruptedException {
-        startSynth();
-
-        PitchDetector detector = new PitchDetector();
-        synth.add(detector);
-        double frequency = 198.0;
-        double period = synth.getFrameRate() / frequency;
-        // simple harmonic synthesis
-        for (int i = 0; i < count; i++) {
-            SineOscillator osc = new SineOscillator();
-            synth.add(osc);
-            osc.frequency.set(frequency * (i + 1));
-            osc.amplitude.set(0.5 * (1.0 - (i * 0.2)));
-            osc.output.connect(detector.input);
-        }
-        detector.start();
-        startTiming();
-        synth.sleepFor(realTime);
-        endTiming(PitchDetector.class, count, realTime);
-
-        double measuredPeriod = detector.period.getValue();
-        double confidence = detector.confidence.getValue();
-        System.out.println("period = " + period + ", measured = " + measuredPeriod
-                + ", confidence = " + confidence);
-        if (confidence > 0.1) {
-            assert (Math.abs(measuredPeriod - period) < 0.1);
-        }
-        stopSynth();
-    }
-
-    private void endTiming(Class<?> clazz, int count, double realTime) {
-        endTime = System.nanoTime();
-        double elapsedTime = (endTime - startTime) * 1E-9;
-        double percent = 100.0 * elapsedTime / (realTime * count);
-        System.out.printf("%32s took %5.3f/%d seconds to process %5.4f of audio = %6.3f%c.\n",
-                clazz.getSimpleName(), elapsedTime, count, realTime, percent, '%');
-    }
-
-    private void startTiming() {
-        startTime = System.nanoTime();
-    }
-
-    /**
-     * @param args
-     */
-    public static void main(String[] args) {
-        new BenchJSyn().run();
-    }
-
-}