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Improved Call Performance test. It now outputs to the console / log file, and provides much better results.

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This commit is contained in:
the_fiddler 2007-10-17 11:32:36 +00:00
parent fcfc35dc18
commit 6c4372edbc
3 changed files with 149 additions and 278 deletions
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59
Source/Examples/Tests/S01_Call_Performance.Designer.cs generated
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@ -1,59 +0,0 @@
namespace Examples.Tests
{
partial class S01_Call_Performance
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.glControl1 = new OpenTK.GLControl();
this.SuspendLayout();
//
// glControl1
//
this.glControl1.BackColor = System.Drawing.SystemColors.ControlDarkDark;
this.glControl1.Dock = System.Windows.Forms.DockStyle.Fill;
this.glControl1.Location = new System.Drawing.Point(0, 0);
this.glControl1.Name = "glControl1";
this.glControl1.Size = new System.Drawing.Size(624, 444);
this.glControl1.TabIndex = 0;
//
// S01_Call_Performance
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(624, 444);
this.Controls.Add(this.glControl1);
this.Name = "S01_Call_Performance";
this.Text = "S01_Call_Performance";
this.ResumeLayout(false);
}
#endregion
private OpenTK.GLControl glControl1;
}
}

248
Source/Examples/Tests/S01_Call_Performance.cs
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@ -5,118 +5,168 @@
#endregion
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Threading;
using System.Runtime.InteropServices;
using System.Diagnostics;
using System.Windows.Forms;
using OpenTK.OpenGL;
using System.Threading;
using System.Runtime.InteropServices;
using System.Security;
namespace Examples.Tests
{
public partial class S01_Call_Performance : Form /*, IExample*/
public class S01_Call_Performance : IExample
{
public S01_Call_Performance()
{
InitializeComponent();
Application.Idle += new EventHandler(Application_Idle);
// Force opengl functions
GL.Viewport(0, 0, this.Width, this.Height);
this.ShowDialog();
}
bool run = false;
OpenTK.GLContext context;
const int num_calls = 1000000;
float[] v = new float[] { 0.0f, 0.0f };
int i = 0;
void dummy()
{
unsafe
{
//fixed (int* i_ptr = &i)
{
GCHandle h = GCHandle.Alloc(i, GCHandleType.Pinned);//.FromIntPtr((IntPtr)i_ptr);
try
{
i = (int)h.AddrOfPinnedObject();
}
finally
{
h.Free();
}
}
}
}
[DllImport("opengl32.dll", EntryPoint = "glVertex2f")]
extern static void glVertex2f_1(float a, float b);
[System.Security.SuppressUnmanagedCodeSecurity()]
[DllImport("opengl32.dll", EntryPoint = "glVertex2f")]
extern static void glVertex2f_2(float a, float b);
[System.Security.SuppressUnmanagedCodeSecurity()]
[DllImport("opengl32.dll", EntryPoint = "glVertex2fv")]
extern static void glVertex2fv(float[] v);
void Application_Idle(object sender, EventArgs e)
{
long count = 0;
bool stop = false;
if (!run)
{
run = true;
GL.Clear(
GL.Enums.ClearBufferMask.COLOR_BUFFER_BIT |
GL.Enums.ClearBufferMask.DEPTH_BUFFER_BIT);
//GL.Begin(GL.Enums.BeginMode.POINTS);
System.Threading.Timer timer = new System.Threading.Timer(
new TimerCallback(delegate { stop = true; }), null, 5000, Timeout.Infinite);
while (!stop)
{
//GL.Vertex2(0.0f, 0.0f);
GL.Vertex2(v);
//GL.ARB.ActiveTexture(GL.Enums.ARB_multitexture.TEXTURE0_ARB);
//dummy();
//GL.ColorPointer(2, GL.Enums.ColorPointerType.FLOAT, 0, v);
//glVertex2f_1(0.0f, 0.0f);
//glVertex2f_2(0.0f, 0.0f);
//glVertex2fv(v);
count++;
}
//GL.End();
//glControl1.Context.SwapBuffers();
timer.Dispose();
this.Hide();
MessageBox.Show(String.Format("{0} calls/second.", count / 5.0));
Application.Idle -= Application_Idle;
this.Close();
}
}
#region IExample Members
public static int dummy_variable = 0;
public void Launch()
{
using (Form f = new Form())
{
context = new OpenTK.GLContext(new OpenTK.DisplayMode(), new OpenTK.Platform.WindowInfo(f));
context.CreateContext();
Trace.WriteLine(String.Format("Number of calls: {0}", num_calls));
Stopwatch timer = new Stopwatch();
#region Managed functions
Trace.Write("Timing empty loop: ");
timer.Start();
for (int i = 0; ++i < num_calls; )
{
}
timer.Stop();
Trace.WriteLine(String.Format("{0} ns", timer.Elapsed.TotalMilliseconds * (1000000.0 / (double)num_calls)));
timer.Reset();
Trace.Write("Timing inline .Net functions: ");
timer.Start();
for (int i = 0; ++i < num_calls; )
{
InlineFunction();
}
timer.Stop();
Trace.WriteLine(String.Format("{0} ns", timer.Elapsed.TotalMilliseconds * (1000000.0 / (double)num_calls)));
timer.Reset();
Trace.Write("Timing virtual .Net functions: ");
timer.Start();
for (int i = 0; ++i < num_calls; )
{
VirtualFunction();
}
timer.Stop();
Trace.WriteLine(String.Format("{0} ns", timer.Elapsed.TotalMilliseconds * (1000000.0 / (double)num_calls)));
timer.Reset();
#endregion
#region OpenTK.OpenGL
Trace.Write("Timing OpenTK.OpenGL core functions: ");
timer.Start();
for (int i = 0; ++i < num_calls; )
{
GL.Vertex2(0.0f, 0.0f);
}
timer.Stop();
Trace.WriteLine(String.Format("{0} ns", timer.Elapsed.TotalMilliseconds * (1000000.0 / (double)num_calls)));
timer.Reset();
Trace.Write("Timing OpenTK.OpenGL core functions (array): ");
timer.Start();
for (int i = 0; ++i < num_calls; )
{
GL.Vertex2(v);
}
timer.Stop();
Trace.WriteLine(String.Format("{0} ns", timer.Elapsed.TotalMilliseconds * (1000000.0 / (double)num_calls)));
timer.Reset();
Trace.Write("Timing OpenTK.OpenGL core functions (void*): ");
timer.Start();
for (int i = 0; ++i < num_calls; )
{
GL.CallLists(v.Length, GL.Enums.ListNameType.FLOAT, v);
}
timer.Stop();
Trace.WriteLine(String.Format("{0} ns", timer.Elapsed.TotalMilliseconds * (1000000.0 / (double)num_calls)));
timer.Reset();
Trace.Write("Timing OpenTK.OpenGL extension functions: ");
timer.Start();
for (int i = 0; ++i < num_calls; )
{
GL.ARB.ActiveTexture(GL.Enums.ARB_multitexture.TEXTURE0_ARB);
}
timer.Stop();
Trace.WriteLine(String.Format("{0} ns", timer.Elapsed.TotalMilliseconds * (1000000.0 / (double)num_calls)));
timer.Reset();
#endregion
#region DllImports
Trace.Write("Timing direct DllImport: ");
timer.Start();
for (int i = 0; ++i < num_calls; )
{
glVertex2f(0.0f, 0.0f);
}
timer.Stop();
Trace.WriteLine(String.Format("{0} ns", timer.Elapsed.TotalMilliseconds * (1000000.0 / (double)num_calls)));
timer.Reset();
Trace.Write("Timing direct DllImport (array): ");
timer.Start();
for (int i = 0; ++i < num_calls; )
{
glVertex2fv(v);
}
timer.Stop();
Trace.WriteLine(String.Format("{0} ns", timer.Elapsed.TotalMilliseconds * (1000000.0 / (double)num_calls)));
timer.Reset();
Trace.Write("Timing direct DllImport (void*): ");
timer.Start();
for (int i = 0; ++i < num_calls; )
{
glCallLists(v.Length, GL.Enums.ListNameType.FLOAT, v);
}
timer.Stop();
Trace.WriteLine(String.Format("{0} ns", timer.Elapsed.TotalMilliseconds * (1000000.0 / (double)num_calls)));
timer.Reset();
#endregion
}
}
#endregion
public void InlineFunction()
{
++dummy_variable;
}
public virtual void VirtualFunction()
{
++dummy_variable;
}
[DllImport("opengl32.dll", EntryPoint = "glVertex2f"), SuppressUnmanagedCodeSecurity]
extern static void glVertex2f(float a, float b);
[DllImport("opengl32.dll", EntryPoint = "glVertex2fv"), SuppressUnmanagedCodeSecurity]
extern static void glVertex2fv(float[] v);
[DllImport("opengl32.dll", EntryPoint = "glCallLists"), SuppressUnmanagedCodeSecurity]
extern static void glCallLists(int count, GL.Enums.ListNameType type, object lists);
}
}

120
Source/Examples/Tests/S01_Call_Performance.resx
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@ -1,120 +0,0 @@
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<resheader name="version">2.0</resheader>
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<resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
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The mimetype is used for serialized objects, and tells the
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