Bench scripts and minor changes

S04_Projet/MultiThreadedTask.cs

@@ -9,7 +9,8 @@ namespace S04_Projet
         public enum Operation
         {
             Load,
-            Filter
+            Filter,
+            Save
         }
 
         private enum RGB
@@ -60,7 +61,7 @@ namespace S04_Projet
                 this.bPixelPtr = bPixelPtr;
                 nbPixel = opt.width * opt.height;
                 size = filter.GetLength(0);
-                nbProcessors = 4;
+                nbProcessors = Math.Min(Environment.ProcessorCount, 8);
             }
             else throw new Exception("Impossible d'utiliser ce constructeur pour ce type d'opération");
         }
@@ -76,7 +77,7 @@ namespace S04_Projet
         /// <param name="filePtr"></param>
         public unsafe MultiThreadedTask(Operation ToDo, Options opt, byte* rPixelPtr, byte* gPixelPtr, byte* bPixelPtr, byte* filePtr)
         {
-            if (ToDo == Operation.Load)
+            if (ToDo == Operation.Load || ToDo == Operation.Save)
             {
                 this.rPixelPtr = rPixelPtr;
                 this.gPixelPtr = gPixelPtr;
@@ -85,20 +86,18 @@ namespace S04_Projet
                 this.opt = opt;
                 this.filePtr = filePtr;
                 nbPixel = opt.width * opt.height;
-                nbProcessors = Environment.ProcessorCount;
+                nbProcessors = Math.Min(Environment.ProcessorCount, 8);
             }
             else throw new Exception("Impossible d'utiliser ce constructeur pour ce type d'opération");
         }
 
-        #region LoadImage
+        #region Load
         public unsafe void LoadImage()
         {
-            Console.WriteLine("Load Image");
             Thread[] threads = new Thread[nbProcessors];
 
             for (int i = 0; i < nbProcessors; i++)
             {
-                Console.WriteLine("Creating and starting thread {0}", i);
                 threads[i] = new Thread(new ParameterizedThreadStart(LoadImageTask));
                 threads[i].Start(i);
             }
@@ -108,8 +107,6 @@ namespace S04_Projet
         }
 
         private unsafe void LoadImageTask(object i)
-        {
-            if (filePtr != null)
         {
             int start = nbPixel / nbProcessors * (int)i;
             int end = nbPixel / nbProcessors * ((int)i + 1);
@@ -126,7 +123,6 @@ namespace S04_Projet
                 *(rPixelPtr + j) = *(filePtr + opt.offset + opt.padding * y + j * 3 + 2);
             }
         }
-        }
         #endregion
 
         #region Filter
@@ -253,5 +249,39 @@ namespace S04_Projet
             else return (byte)r;
         }
         #endregion
+
+        #region Save
+        public unsafe void SaveImage()
+        {
+            Thread[] threads = new Thread[nbProcessors];
+
+            for (int i = 0; i < nbProcessors; i++)
+            {
+                threads[i] = new Thread(new ParameterizedThreadStart(SaveImageTask));
+                threads[i].Start(i);
+            }
+
+            for (int i = 0; i < nbProcessors; i++)
+                threads[i].Join();
+        }
+
+        private unsafe void SaveImageTask(object i)
+        {
+            int start = nbPixel / nbProcessors * (int)i;
+            int end = nbPixel / nbProcessors * ((int)i + 1);
+
+            int x, y;
+
+
+            for (int j = start; j < end; j++)
+            {
+                x = j % opt.width;
+                y = j / opt.width;
+                *(filePtr + opt.offset + opt.padding * y + j * 3) = *(bPixelPtr + j);
+                *(filePtr + opt.offset + opt.padding * y + j * 3 + 1) = *(gPixelPtr + j);
+                *(filePtr + opt.offset + opt.padding * y + j * 3 + 2) = *(rPixelPtr + j);
+            }
+        }
+        #endregion
     }
 }

S04_Projet/MyImage.cs

@@ -112,7 +112,7 @@ namespace S04_Projet
 
 
             #region Mono
-            if (!Program.MULTITHREADING_LOAD)
+            if (!Program.MULTITHREADING)
             {
                 int y;
                 fixed (byte* filePtr = file, rPtr = rPixels, gPtr = gPixels, bPtr = bPixels)
@@ -181,6 +181,8 @@ namespace S04_Projet
             #endregion
 
             #region Pixel array
+            if (!Program.MULTITHREADING)
+            {
                 int x;
                 int y;
                 fixed (byte* filePtr = file)
@@ -195,6 +197,16 @@ namespace S04_Projet
                         *(filePtr + i * 3 + opt.padding * y + opt.offset + 2) = rPixels[i];
                     }
                 }
+            }
+
+            else
+            {
+                fixed (byte* filePtr = file, rPtr = rPixels, gPtr = gPixels, bPtr = bPixels)
+                {
+                    MultiThreadedTask SaveImageTask = new MultiThreadedTask(MultiThreadedTask.Operation.Save, opt, rPtr, gPtr, bPtr, filePtr);
+                    SaveImageTask.SaveImage();
+                }
+            }
             #endregion
 
             try

S04_Projet/Program.cs

@@ -6,7 +6,7 @@ namespace S04_Projet
 {
     class Program
     {
-        public static bool MULTITHREADING_LOAD = false;
+        //public static bool MULTITHREADING_LOAD = false;
         public static bool MULTITHREADING = false;
         public static bool DEBUG = false;
 
@@ -83,8 +83,8 @@ namespace S04_Projet
                 DEBUG = true;
             else if (args[i] == "--multithreading" || args[i] == "-MT")
                 MULTITHREADING = true;
-            else if (args[i] == "--multithreadingLoad" || args[i] == "-MTL")
-                MULTITHREADING_LOAD = true;
+            //else if (args[i] == "--multithreadingLoad" || args[i] == "-MTL")
+            //    MULTITHREADING_LOAD = true;
             else if (args[i] == "--") ;
 
             if (DEBUG)

S04_Projet/bin/Debug/loadMTL.bat → S04_Projet/bin/Debug/loadMT.bat

 @echo off
 FOR /L %%i IN (1,1,100) DO (
 	ECHO %%i
-	ImageProcessing.exe -d -MTL -i img\flocon.bmp
+	ImageProcessing.exe -d -MT -i img\flocon.bmp
 )
\ No newline at end of file

S04_Projet/bin/Debug/loadSaveMT.bat

+@echo off
+FOR /L %%i IN (1,1,100) DO (
+	ECHO %%i
+	ImageProcessing.exe -d -MT -i img\flocon.bmp -o output.bmp
+)
\ No newline at end of file