9 files changed, 0 insertions, 511 deletions
diff --git a/timer/HRTimerResolution.java b/timer/HRTimerResolution.java
deleted file mode 100644
index 318694f..0000000
--- a/timer/HRTimerResolution.java
+++ /dev/null
@@ -1,68 +0,0 @@
-import java.text.DecimalFormat;
-
-import com.vladium.utils.timing.ITimer;
-import com.vladium.utils.timing.TimerFactory;
-
-// ----------------------------------------------------------------------------
-/**
- * A demo class to show off the higher resolution available from HRTimer class
- * and to investigate the resolution offered by Java "time-related"
- * methods other than System.currentTimeMillis().<P>
- * 
- * Make sure that hrtlib.dll JNI lib is in java.library.path or TimerFactory
- * will fall back to the Java system timer:
- * <PRE>
- *  >java -Djava.library.path=(dir containing hrtlib.dll) HRTimerResolution
- * </PRE>
- * 
- * @author (C) <a href="mailto:vroubtsov@illinoisalumni.org">Vlad Roubtsov</a>, 2002
- */
-public class HRTimerResolution
-{
-    // public: ................................................................
-    
-    public static void main (final String [] args) throws Exception
-    {
-        final DecimalFormat format = new DecimalFormat ();
-        format.setMinimumFractionDigits (3);
-        format.setMaximumFractionDigits (3);
-        
-        // create an ITimer using the Factory class:
-        final ITimer timer = TimerFactory.newTimer ();
-        
-        // JIT/hotspot warmup:
-        for (int i = 0; i < 3000; ++ i)
-        {
-            timer.start ();
-            timer.stop ();
-            timer.getDuration ();
-            timer.reset ();
-        }
-        
-        final Object lock = new Object (); // this is used by monitor.wait() below
-        
-        for (int i = 0; i < 5; ++ i)
-        {
-            timer.start ();
-           
-            // uncomment various lines below to see the resolution
-            // offered by other Java time-related methods; with all
-            // lines commented out this loop reports time elapsed
-            // between successive calls to t.start() and t.stop(), thus
-            // providing an estimate for timer's raw resolution
-            
-            synchronized (lock) { lock.wait (1); }
-            //Thread.currentThread ().sleep (1);
-            //Thread.currentThread ().sleep (0, 500);
-            //Thread.currentThread ().join (1);
-    
-            timer.stop ();
-
-            System.out.println ("duration = "
-                + format.format (timer.getDuration ()) + " ms");            
-            timer.reset ();
-        }
-    } 
-
-} // end of class
-// ----------------------------------------------------------------------------
diff --git a/timer/SystemTimerResolution.java b/timer/SystemTimerResolution.java
deleted file mode 100644
index 56ececd..0000000
--- a/timer/SystemTimerResolution.java
+++ /dev/null
@@ -1,31 +0,0 @@
-// ----------------------------------------------------------------------------
-/**
- * A simple class to see what the Java system timer resolution is on your
- * system.
- * 
- * @author (C) <a href="mailto:vroubtsov@illinoisalumni.org">Vlad Roubtsov</a>, 2002
- */
-public class SystemTimerResolution
-{
-    // public: ................................................................
-    
-    public static void main (final String [] args)
-    {
-        // JIT/hotspot warmup:
-        for (int r = 0; r < 3000; ++ r) System.currentTimeMillis ();
-        
-        long time = System.currentTimeMillis (), time_prev = time;
-        
-        for (int i = 0; i < 5; ++ i)
-        {
-            // busy wait until system time changes: 
-            while (time == time_prev)
-                time = System.currentTimeMillis ();
-            
-            System.out.println ("delta = " + (time - time_prev) + " ms");
-            time_prev = time;
-        }
-    }
-
-} // end of class
-// ----------------------------------------------------------------------------
diff --git a/timer/com/vladium/utils/timing/HRTimer.java b/timer/com/vladium/utils/timing/HRTimer.java
deleted file mode 100644
index a3673a1..0000000
--- a/timer/com/vladium/utils/timing/HRTimer.java
+++ /dev/null
@@ -1,86 +0,0 @@
-
-package com.vladium.utils.timing;
-
-// ----------------------------------------------------------------------------
-/**
- * A package-private implementation of {@link ITimer} based around native
- * <code>getTime</code> method. It will work on any platform for which a JNI
- * implementation of "hrtlib" library is available.<P> 
- * 
- * {@link TimerFactory} acts as the Factory for this class.<P>
- * 
- * MT-safety: an instance of this class is safe to be used within the same
- * thread only.
- * 
- * @author (C) <a href="mailto:vroubtsov@illinoisalumni.org">Vlad Roubtsov</a>, 2002
- */
-final class HRTimer implements ITimer, ITimerConstants 
-{
-    // public: ................................................................
-    
-    public void start ()
-    {
-        if (DO_STATE_CHECKS)
-        {
-            if (m_state != STATE_READY)
-                throw new IllegalStateException (this + ": start() must be called from READY state, current state is " + STATE_NAMES [m_state]);
-        }
-        
-        if (DO_STATE_CHECKS) m_state = STATE_STARTED;
-        m_data = getTime ();
-    }
-    
-    public void stop ()
-    {
-        // latch stop time in a local var before doing anything else:
-        final double data = getTime ();
-        
-        if (DO_STATE_CHECKS)
-        {
-            if (m_state != STATE_STARTED)
-                throw new IllegalStateException (this + ": stop() must be called from STARTED state, current state is " + STATE_NAMES [m_state]);
-        }
-        
-        m_data = data - m_data;
-        if (DO_STATE_CHECKS) m_state = STATE_STOPPED;
-    }
-    
-    public double getDuration ()
-    {
-        if (DO_STATE_CHECKS)
-        {
-            if (m_state != STATE_STOPPED)
-                throw new IllegalStateException (this + ": getDuration() must be called from STOPPED state, current state is " + STATE_NAMES [m_state]);
-        }
-        
-        return m_data;
-    }
-    
-    public void reset ()
-    {
-        if (DO_STATE_CHECKS) m_state = STATE_READY;
-    }
-    
-    // protected: .............................................................
-
-    // package: ...............................................................
-    
-    // private: ...............................................................
-    
-    /*
-     * This is supposed to return a fractional count of milliseconds elapsed
-     * since some indeterminate moment in the past. The exact starting point
-     * is not relevant because this timer class reports time differences only.
-     * 
-     * JNI code in HRTIMER_LIB library is supposed to implement this.
-     */
-    private static native double getTime ();
-    
-
-    private int m_state; // used to keep track of timer state
-    private double m_data; // timing data
-        
-    private static final String HRTIMER_LIB = "hrtlib";
-    
-
-} // end of class
-// ----------------------------------------------------------------------------
diff --git a/timer/com/vladium/utils/timing/ITimer.java b/timer/com/vladium/utils/timing/ITimer.java
deleted file mode 100644
index 98029b1..0000000
--- a/timer/com/vladium/utils/timing/ITimer.java
+++ /dev/null
@@ -1,54 +0,0 @@
-
-package com.vladium.utils.timing;
-
-// ----------------------------------------------------------------------------
-/**
- * A simple interface for measuring time intervals. An instance of this goes
- * through the following lifecycle states:
- * <DL>
- *  <DT> <EM>ready</EM>
- *      <DD> timer is ready to start a new measurement
- *  <DT> <EM>started</EM>
- *      <DD> timer has recorded the starting time interval point
- *  <DT> <EM>stopped</EM>
- *      <DD> timer has recorded the ending time interval point
- * </DL>
- * See individual methods for details.<P>
- * 
- * If this library has been compiled with {@link ITimerConstants#DO_STATE_CHECKS}
- * set to 'true' the implementation will enforce this lifecycle model and throw
- * IllegalStateException when it is violated.
- * 
- * @author (C) <a href="mailto:vroubtsov@illinoisalumni.org">Vlad Roubtsov</a>, 2002
- */
-public interface ITimer
-{
-    // public: ................................................................
-    
-    /**
-     * Starts a new time interval and advances this timer instance to 'started'
-     * state. This method can be called from 'ready' state only.
-     */
-    void start ();
-    
-    /**
-     * Terminates the current time interval and advances this timer instance to
-     * 'stopped' state. Interval duration will be available via
-     * {@link #getDuration()} method. This method can be called from 'started'
-     * state only. 
-     */
-    void stop ();
-    
-    /**
-     * Returns the duration of the time interval that elapsed between the last
-     * calls to {@link #start()} and {@link #stop()}. This method can be called
-     * any number of times from 'stopped' state and will return the same value
-     * each time.<P>
-     * 
-     * @return interval duration in milliseconds 
-     */
-    double getDuration ();
-    
-    /**
-     * This method can be called from any state and will reset this timer
-     * instance back to 'ready' state. 
-     */
-    void reset ();
-
-} // end of interface
-// ----------------------------------------------------------------------------
diff --git a/timer/com/vladium/utils/timing/ITimerConstants.java b/timer/com/vladium/utils/timing/ITimerConstants.java
deleted file mode 100644
index 29435ae..0000000
--- a/timer/com/vladium/utils/timing/ITimerConstants.java
+++ /dev/null
@@ -1,31 +0,0 @@
-
-package com.vladium.utils.timing;
-
-// ----------------------------------------------------------------------------
-/**
- * A package-private collection of constants used by {@link ITimer} implementations
- * in <code>HRTimer</code> and <code>JavaSystemTimer</code> classes.
- *
- * @author (C) <a href="mailto:vroubtsov@illinoisalumni.org">Vlad Roubtsov</a>, 2002
- */
-interface ITimerConstants
-{
-    // public: ................................................................
-    
-    /**
-     * Conditional compilation flag to enable/disable state checking in timer
-     * implementations. Just about the only reason you might want to disable
-     * this is to reduce the timer overhead, but in practice the gain is very
-     * small. 
-     */
-    static final boolean DO_STATE_CHECKS = true;
-    
-    /**
-     * Timer state enumeration. 
-     */
-    static final int STATE_READY = 0, STATE_STARTED = 1, STATE_STOPPED = 2;
-    
-    /**
-     * User-friendly timer state names indexed by their state values.
-     */
-    static final String [] STATE_NAMES = {"READY", "STARTED", "STOPPED"};
-
-} // end of interface
-// ----------------------------------------------------------------------------
diff --git a/timer/com/vladium/utils/timing/JavaSystemTimer.java b/timer/com/vladium/utils/timing/JavaSystemTimer.java
deleted file mode 100644
index e3f3b48..0000000
--- a/timer/com/vladium/utils/timing/JavaSystemTimer.java
+++ /dev/null
@@ -1,74 +0,0 @@
-
-package com.vladium.utils.timing;
-
-// ----------------------------------------------------------------------------
-/**
- * A package-private implementation of {@link ITimer} based around Java system
- * timer [<code>System.currentTimeMillis()</code> method]. It is used when
- * <code>HRTimer</code> implementation is unavailable.<P> 
- * 
- * {@link TimerFactory} acts as the Factory for this class.<P>
- * 
- * MT-safety: an instance of this class is safe to be used within the same
- * thread only.
- * 
- * @author (C) <a href="mailto:vroubtsov@illinoisalumni.org">Vlad Roubtsov</a>, 2002
- */
-final class JavaSystemTimer implements ITimer, ITimerConstants 
-{
-    // public: ................................................................
-    
-    public void start ()
-    {
-        if (DO_STATE_CHECKS)
-        {
-            if (m_state != STATE_READY)
-                throw new IllegalStateException (this + ": start() must be called from READY state, current state is " + STATE_NAMES [m_state]);
-        }
-        
-        if (DO_STATE_CHECKS) m_state = STATE_STARTED;
-        m_data = System.currentTimeMillis ();
-    }
-    
-    public void stop ()
-    {
-        // latch stop time in a local var before doing anything else:
-        final long data = System.currentTimeMillis ();
-        
-        if (DO_STATE_CHECKS)
-        {
-            if (m_state != STATE_STARTED)
-                throw new IllegalStateException (this + ": stop() must be called from STARTED state, current state is " + STATE_NAMES [m_state]);
-        }
-        
-        m_data = data - m_data;
-        if (DO_STATE_CHECKS) m_state = STATE_STOPPED;
-    }
-    
-    public double getDuration ()
-    {
-        if (DO_STATE_CHECKS)
-        {
-            if (m_state != STATE_STOPPED)
-                throw new IllegalStateException (this + ": getDuration() must be called from STOPPED state, current state is " + STATE_NAMES [m_state]);
-        }
-        
-        return m_data;
-    }
-    
-    public void reset ()
-    {
-        if (DO_STATE_CHECKS) m_state = STATE_READY;
-    }
-    
-    // protected: .............................................................
-
-    // package: ...............................................................
-        
-    // private: ...............................................................
-    
-    private int m_state; // used to keep track of timer state
-    private long m_data; // timing data
-
-} // end of class
-// ----------------------------------------------------------------------------
diff --git a/timer/com/vladium/utils/timing/TimerFactory.java b/timer/com/vladium/utils/timing/TimerFactory.java
deleted file mode 100644
index ae127c5..0000000
--- a/timer/com/vladium/utils/timing/TimerFactory.java
+++ /dev/null
@@ -1,74 +0,0 @@
-
-package com.vladium.utils.timing;
-
-// ----------------------------------------------------------------------------
-/**
- * This non-instantiable non-extendible class acts as a Factory for {@link ITimer}
- * implementations.
- * 
- * @author (C) <a href="mailto:vroubtsov@illinoisalumni.org">Vlad Roubtsov</a>, 2002
- */
-public abstract class TimerFactory
-{
-    // public: ................................................................
-
-	private static final String HRTIMER_LIB = "hrtlib";
-
-    /**
-     * Creates a new instance of {@link ITimer} which is returned in 'ready'
-     * state. If the JNI-based/high-resolution implementation is not available
-     * this will return an instance of <code>JavaSystemTimer</code>, so this
-     * method is guaranteed not to fail.
-     * 
-     * @return ITimer a new timer instance in 'ready' state [never null] 
-     */
-	
-	public static void initialize(String path) {
-
-		UnsatisfiedLinkError exception = null;
-		
-		try {
-			System.loadLibrary (HRTIMER_LIB);
-		} catch (UnsatisfiedLinkError e) {
-			if(path != null) {
-				try {
-					System.load(path);
-				} catch (UnsatisfiedLinkError ex) {
-					exception = ex;
-				}
-			} else {
-				exception = e;
-			}
-		}
-
-		if(exception != null) {
-			System.out.println ("native lib '" + HRTIMER_LIB
-					+ "' not found in 'java.library.path': "
-					+ System.getProperty ("java.library.path")
-					+path==null?"":(" or in "+path));
-
-			throw exception; // re-throw
-		}
-	}
-	
-    public static ITimer newTimer ()
-    {
-//        try
-//        {
-            return new HRTimer ();
-//        }
-//        catch (Throwable t)
-//        {
-//            return new JavaSystemTimer ();
-//        }
-    }
-    
-    // protected: .............................................................
-
-    // package: ...............................................................
-    
-    // private: ...............................................................
-    
-    private TimerFactory () {} // prevent subclassing
-    
-} // end of class
-// ----------------------------------------------------------------------------
diff --git a/timer/native/com_vladium_utils_timing_HRTimer.c b/timer/native/com_vladium_utils_timing_HRTimer.c
deleted file mode 100644
index 647837d..0000000
--- a/timer/native/com_vladium_utils_timing_HRTimer.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/* ------------------------------------------------------------------------- */
-/*
- * A win32 implementation of JNI methods in com.vladium.utils.timing.HRTimer
- * class. The author compiled it using Microsoft Visual C++ but the code
- * should be easy to use with any compiler for win32 platform.
- *
- * For simplicity, this implementaion assumes JNI 1.2+ and omits error handling.
- *
- * (C) 2002, Vladimir Roubtsov [vroubtsov@illinoisalumni.org]
- */
-/* ------------------------------------------------------------------------- */
-
-#if !defined NDEBUG
-#include <stdio.h>
-#endif // NDEBUG
-
-#include <windows.h>
-
-#include "com_vladium_utils_timing_HRTimer.h"
-
-// scale factor for converting a performancce counter reading into milliseconds:
-static jdouble s_scaleFactor;
-
-/* ------------------------------------------------------------------------- */
-
-/*
- * This method was added in JNI 1.2. It is executed once before any other
- * methods are called and is ostensibly for negotiating JNI spec versions, but
- * can also be conveniently used for initializing variables that will not
- * change throughout the lifetime of this process.
- */
-JNIEXPORT jint JNICALL
-JNI_OnLoad (JavaVM * vm, void * reserved)
-{
-    LARGE_INTEGER counterFrequency;
-
-    QueryPerformanceFrequency (& counterFrequency);
-
-    // NOTE: counterFrequency will be zero for a machine that does not have
-    // support for a high-resolution counter. This is only likely for very
-    // old hardware but for a robust implementation you should handle this
-    // case.
-
-#if !defined NDEBUG
-    printf ("PCFrequency called: %I64d\n", counterFrequency.QuadPart);
-#endif
-
-    s_scaleFactor = counterFrequency.QuadPart / 1000.0;
-
-
-    return JNI_VERSION_1_2;
-}
-/* ......................................................................... */
-
-/*
- * Class:     com_vladium_utils_timing_HRTimer
- * Method:    getTime
- * Signature: ()D
- */
-JNIEXPORT jdouble JNICALL
-Java_com_vladium_utils_timing_HRTimer_getTime (JNIEnv * e, jclass cls)
-{
-    LARGE_INTEGER counterReading;
-
-    QueryPerformanceCounter (& counterReading);
-
-    return counterReading.QuadPart / s_scaleFactor;
-}
-
-/* ------------------------------------------------------------------------- */
-/* end of file */
diff --git a/timer/native/com_vladium_utils_timing_HRTimer.h b/timer/native/com_vladium_utils_timing_HRTimer.h
deleted file mode 100644
index 357db0d..0000000
--- a/timer/native/com_vladium_utils_timing_HRTimer.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* DO NOT EDIT THIS FILE - it is machine generated */
-#include <jni.h>
-/* Header for class com_vladium_utils_timing_HRTimer */
-
-#ifndef _Included_com_vladium_utils_timing_HRTimer
-#define _Included_com_vladium_utils_timing_HRTimer
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
- * Class:     com_vladium_utils_timing_HRTimer
- * Method:    getTime
- * Signature: ()D
- */
-JNIEXPORT jdouble JNICALL
-Java_com_vladium_utils_timing_HRTimer_getTime (JNIEnv *, jclass);
-
-#ifdef __cplusplus
-}
-#endif
-#endif