From 41c7fb405037b6b774e7b692f64dfedd3150f76e Mon Sep 17 00:00:00 2001
From: Gary Frost <frost.gary@gmail.com>
Date: Tue, 2 Oct 2012 05:17:20 +0000
Subject: [PATCH]
---
.../aparapi/examples/javaonedemo/Life.java | 59 ++++++++--------
.../aparapi/examples/javaonedemo/NBody.java | 69 ++++++++++++-------
2 files changed, 72 insertions(+), 56 deletions(-)
diff --git a/examples/javaonedemo/src/com/amd/aparapi/examples/javaonedemo/Life.java b/examples/javaonedemo/src/com/amd/aparapi/examples/javaonedemo/Life.java
index d439dada..e68fbf4c 100644
--- a/examples/javaonedemo/src/com/amd/aparapi/examples/javaonedemo/Life.java
+++ b/examples/javaonedemo/src/com/amd/aparapi/examples/javaonedemo/Life.java
@@ -114,15 +114,15 @@ public class Life{
private int toBase;
- public LifeKernel(int _width, int _height, BufferedImage _image, Kernel.EXECUTION_MODE _mode) {
- setExecutionMode(_mode);
+ public LifeKernel(int _width, int _height, BufferedImage _image) {
+
imageData = ((DataBufferInt) _image.getRaster().getDataBuffer()).getData();
width = _width;
height = _height;
range = Range.create(width * height, 256);
System.out.println("range = " + range);
- setExplicit(_mode.equals(Kernel.EXECUTION_MODE.GPU)); // This gives us a performance boost for GPU mode.
+ setExplicit(true); // This gives us a performance boost for GPU mode.
fromBase = height * width;
toBase = 0;
@@ -132,9 +132,8 @@ public class Life{
imageData[toBase + i] = LifeKernel.ALIVE;
imageData[fromBase + i] = LifeKernel.ALIVE;
}
- if (isExplicit()) {
- put(imageData); // Because we are using explicit buffer management we must put the imageData array
- }
+
+ put(imageData); // Because we are using explicit buffer management we must put the imageData array
}
@@ -184,7 +183,7 @@ public class Life{
static boolean running = false;
- static LifeKernel lifeKernel = null;
+ // static LifeKernel lifeKernel = null;
static double generationsPerSecondField = 0;
@@ -199,37 +198,35 @@ public class Life{
// and bottom to top in alternate generation passses. The LifeKernel will track which pass is which
final BufferedImage image = new BufferedImage(width, height * 2, BufferedImage.TYPE_INT_RGB);
- final LifeKernel lifeKernelJTP = new LifeKernel(width, height, image, Kernel.EXECUTION_MODE.JTP);
-
- final LifeKernel lifeKernelGPU = new LifeKernel(width, height, image, Kernel.EXECUTION_MODE.GPU);
- lifeKernel = lifeKernelJTP;
+ final LifeKernel lifeKernel = new LifeKernel(width, height, image);
+ lifeKernel.setExecutionMode(Kernel.EXECUTION_MODE.JTP);
final Font font = new Font("Garamond", Font.BOLD, 100);
// Create a component for viewing the offsecreen image
@SuppressWarnings("serial") JComponent viewer = new JComponent(){
@Override public void paintComponent(Graphics g) {
g.setFont(font);
- if (lifeKernel != null) {
- if (lifeKernel.isExplicit()) {
- lifeKernel.get(lifeKernel.imageData); // We only pull the imageData when we intend to use it.
- List<ProfileInfo> profileInfo = lifeKernel.getProfileInfo();
- if (profileInfo != null) {
- for (ProfileInfo p : profileInfo) {
- System.out.print(" " + p.getType() + " " + p.getLabel() + " " + (p.getStart() / 1000) + " .. "
- + (p.getEnd() / 1000) + " " + (p.getEnd() - p.getStart()) / 1000 + "us");
- }
- System.out.println();
+ // if (lifeKernel != null) {
+ if (lifeKernel.isExplicit()) {
+ lifeKernel.get(lifeKernel.imageData); // We only pull the imageData when we intend to use it.
+ List<ProfileInfo> profileInfo = lifeKernel.getProfileInfo();
+ if (profileInfo != null) {
+ for (ProfileInfo p : profileInfo) {
+ System.out.print(" " + p.getType() + " " + p.getLabel() + " " + (p.getStart() / 1000) + " .. "
+ + (p.getEnd() / 1000) + " " + (p.getEnd() - p.getStart()) / 1000 + "us");
}
+ System.out.println();
}
- // We copy one half of the offscreen buffer to the viewer, we copy the half that we just mutated.
- if (lifeKernel.fromBase == 0) {
- g.drawImage(image, 0, 0, width, height, 0, 0, width, height, this);
- } else {
- g.drawImage(image, 0, 0, width, height, 0, height, width, 2 * height, this);
- }
- g.drawString(String.format("%5.2f", generationsPerSecondField), 20, 100);
-
}
+ // We copy one half of the offscreen buffer to the viewer, we copy the half that we just mutated.
+ if (lifeKernel.fromBase == 0) {
+ g.drawImage(image, 0, 0, width, height, 0, 0, width, height, this);
+ } else {
+ g.drawImage(image, 0, 0, width, height, 0, height, width, 2 * height, this);
+ }
+ g.drawString(String.format("%5.2f", generationsPerSecondField), 20, 100);
+
+ // }
}
};
@@ -262,11 +259,11 @@ public class Life{
// modeButton = gpuMandelBrot;
// } else
if (item.equals(choices[0])) {
- lifeKernel = lifeKernelJTP;
+ lifeKernel.setExecutionMode(Kernel.EXECUTION_MODE.JTP);
// modeButton = javaMandelBrot;
} else if (item.equals(choices[1])) {
- lifeKernel = lifeKernelGPU;
+ lifeKernel.setExecutionMode(Kernel.EXECUTION_MODE.GPU);
// modeButton = javaMandelBrotMultiThread;
}
}
diff --git a/examples/javaonedemo/src/com/amd/aparapi/examples/javaonedemo/NBody.java b/examples/javaonedemo/src/com/amd/aparapi/examples/javaonedemo/NBody.java
index 33bc80ad..5260a946 100644
--- a/examples/javaonedemo/src/com/amd/aparapi/examples/javaonedemo/NBody.java
+++ b/examples/javaonedemo/src/com/amd/aparapi/examples/javaonedemo/NBody.java
@@ -42,6 +42,8 @@ import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
+import java.awt.event.ItemEvent;
+import java.awt.event.ItemListener;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
@@ -57,16 +59,17 @@ import javax.media.opengl.awt.GLCanvas;
import javax.media.opengl.fixedfunc.GLLightingFunc;
import javax.media.opengl.glu.GLU;
import javax.swing.JButton;
+import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
-import javax.swing.JTextField;
import javax.swing.WindowConstants;
import com.amd.aparapi.Kernel;
import com.amd.aparapi.ProfileInfo;
import com.amd.aparapi.Range;
import com.jogamp.opengl.util.FPSAnimator;
+import com.jogamp.opengl.util.gl2.GLUT;
import com.jogamp.opengl.util.texture.Texture;
import com.jogamp.opengl.util.texture.TextureIO;
@@ -197,8 +200,8 @@ public class NBody{
public static void main(String _args[]) {
- final NBodyKernel kernel = new NBodyKernel(Range.create(Integer.getInteger("bodies", 8192)));
-
+ final NBodyKernel kernel = new NBodyKernel(Range.create(Integer.getInteger("bodies", 12288)));
+ kernel.setExecutionMode(Kernel.EXECUTION_MODE.JTP);
JFrame frame = new JFrame("NBody");
JPanel panel = new JPanel(new BorderLayout());
@@ -216,28 +219,46 @@ public class NBody{
controlPanel.add(startButton);
controlPanel.add(new JLabel(kernel.getExecutionMode().toString()));
- controlPanel.add(new JLabel(" Particles"));
- controlPanel.add(new JTextField("" + kernel.range.getGlobalSize(0), 5));
+ // controlPanel.add(new JLabel(" Particles"));
+
+ final String[] choices = new String[] {
+ // "Java Sequential",
+ "Java Threads",
+ "GPU OpenCL"
+ };
+
+ final JComboBox modeButton = new JComboBox(choices);
- controlPanel.add(new JLabel("FPS"));
- final JTextField framesPerSecondTextField = new JTextField("0", 5);
+ modeButton.addItemListener(new ItemListener(){
+ @Override public void itemStateChanged(ItemEvent e) {
+ String item = (String) modeButton.getSelectedItem();
- controlPanel.add(framesPerSecondTextField);
- controlPanel.add(new JLabel("Score("));
- JLabel miniLabel = new JLabel("<html><small>calcs</small><hr/><small>µsec</small></html>");
+ // if (item.equals(choices[2])) {
+ // modeButton = gpuMandelBrot;
+ // } else
+ if (item.equals(choices[0])) {
+ kernel.setExecutionMode(Kernel.EXECUTION_MODE.JTP);
+
+ // modeButton = javaMandelBrot;
+ } else if (item.equals(choices[1])) {
+ // lifeKernel = lifeKernelGPU;
+ // modeButton = javaMandelBrotMultiThread;
+ kernel.setExecutionMode(Kernel.EXECUTION_MODE.GPU);
+ }
+ }
- controlPanel.add(miniLabel);
- controlPanel.add(new JLabel(")"));
+ });
+ controlPanel.add(modeButton);
- final JTextField positionUpdatesPerMicroSecondTextField = new JTextField("0", 5);
+ controlPanel.add(new JLabel(" " + kernel.range.getGlobalSize(0) + " Particles"));
- controlPanel.add(positionUpdatesPerMicroSecondTextField);
GLCapabilities caps = new GLCapabilities(null);
final GLProfile profile = caps.getGLProfile();
caps.setDoubleBuffered(true);
caps.setHardwareAccelerated(true);
final GLCanvas canvas = new GLCanvas(caps);
+ final GLUT glut = new GLUT();
Dimension dimension = new Dimension(Integer.getInteger("width", 742 - 64), Integer.getInteger("height", 742 - 64));
canvas.setPreferredSize(dimension);
@@ -297,18 +318,16 @@ public class NBody{
long time = now - last;
frames++;
- if (time > 1000) { // We update the frames/sec every second
- if (running) {
- float framesPerSecond = (frames * 1000.0f) / time;
- int updatesPerMicroSecond = (int) ((framesPerSecond * kernel.range.getGlobalSize(0) * kernel.range
- .getGlobalSize(0)) / 1000000);
- framesPerSecondTextField.setText(String.format("%5.2f", framesPerSecond));
- positionUpdatesPerMicroSecondTextField.setText(String.format("%4d", updatesPerMicroSecond));
- }
- frames = 0;
- last = now;
+ if (running) {
+ int framesPerSecond = (int) ((frames * 1000.0f) / time);
+
+ gl.glColor3f(.5f, .5f, .5f);
+ gl.glRasterPos2i(-40, 38);
+ glut.glutBitmapString(8, String.format("%5d fps", framesPerSecond));
+ gl.glFlush();
}
- gl.glFlush();
+ frames = 0;
+ last = now;
}
--
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