feat(lab01): add Slice GM Host lab

Student_Cuda/src/core/01_student/03_Slice/01_Slice_GM_Host/device/sliceGMHOST_device.cu

@@ -22,12 +22,21 @@ static __device__ float f(float x);
  * tabGM est un tableau promu, qui a autant de case que de thread
  * </pre>
  */
-__global__ void reductionIntraThreadGMHOST(float* tabGM , int nbSlice)
+__global__ void reductionIntraThreadGMHOST(float* tabGM , int nbSlice) {
-    {
     const int NB_THREAD = Thread2D::nbThread();
     const int TID = Thread2D::tid();
 
-    // TODO SliceGMHOST
+    const float delta_x = 1.f / (float)nbSlice;
+
+    int s = TID;
+    tabGM[TID] = 0.f;
+
+    while(s < nbSlice) {
+        float xi = s * delta_x;
+       	tabGM[TID] += f(xi);
+
+        s+=NB_THREAD;
+    }
 
     // Conseils :
     //
@@ -43,13 +52,10 @@ __global__ void reductionIntraThreadGMHOST(float* tabGM , int nbSlice)
  |*		Private			*|
  \*-------------------------------------*/
 
-__device__ float f(float x)
+__device__ float f(float x) {
-    {
+    return 4.f / (1.f + x * x);
-    // TODO SliceGMHOST
+}
-    return -1;
-    }
 
 /*----------------------------------------------------------------------*\
  |*			End	 					*|
  \*---------------------------------------------------------------------*/
-

Student_Cuda/src/core/01_student/03_Slice/01_Slice_GM_Host/host/SliceGMHOST.cu

@@ -29,20 +29,19 @@ extern __global__ void reductionIntraThreadGMHOST(float* tabGM,int nbSlice);
 
 SliceGMHOST::SliceGMHOST(Grid grid , int nbSlice , double* ptrPiHat , bool isVerbose) :
 	RunnableGPU(grid, "SliceGM_HOST_" + to_string(nbSlice), isVerbose), // classe parente
-//
+	nbSlice(nbSlice),
-	nbSlice(nbSlice), //
+	ptrPiHat(ptrPiHat)
-	ptrPiHat(ptrPiHat) //
+{
-    {
-    this->nTabGM = -1; // TODO SliceGMHOST // le nombre de case de tabGM. Indication :  grid.threadCounts() donne le nombre de thread ed la grille
-    this->sizeTabGM = -1; //  TODO SliceGMHOST // la taille en octet de tabGM [octet]
 
-    // TODO SliceGMHOST
+    this->nTabGM = grid.threadCounts(); // le nombre de case de tabGM. Indication :  grid.threadCounts() donne le nombre de thread de la grille
-    }
+    this->sizeTabGM = nTabGM * sizeof(float); // la taille en octet de tabGM [octet]
 
-SliceGMHOST::~SliceGMHOST(void)
+    GM::malloc(&tabGM, sizeTabGM);
-    {
+}
-    // TODO SliceGMHOST
+
-    }
+SliceGMHOST::~SliceGMHOST(void) {
+    GM::free(tabGM);
+}
 
 /*--------------------------------------*\
  |*		Methode			*|
@@ -60,9 +59,9 @@ SliceGMHOST::~SliceGMHOST(void)
  *
  * </pre>
  */
-void SliceGMHOST::run()
+void SliceGMHOST::run() {
-    {
+
-    // TODO SliceGMHOST // call the kernel
+    reductionIntraThreadGMHOST<<<dg, db>>>(tabGM, nbSlice);
 
     // Indication:
     // 		dg et db sont stokcer dans la classe parente
@@ -70,7 +69,7 @@ void SliceGMHOST::run()
     // 		exemple : reductionIntraThreadGMHOST<<<dg,db>>>(...)
 
     reductionHost();
-    }
+}
 
 /*--------------------------------------*\
  |*		Private			*|
@@ -88,7 +87,15 @@ void SliceGMHOST::reductionHost()
 
 
     // TODO SliceGMHOST
+    float tab[nTabGM];
+    GM::memcpyDToH(tab, tabGM, sizeTabGM);
+    for (int i = 0; i < nTabGM; i++) {
+        *ptrPiHat += (double)tab[i];
     }
+    const double delta_x = 1.f / (float)nbSlice;
+    *ptrPiHat *= delta_x;
+}
+
 
 /*----------------------------------------------------------------------*\
  |*			End	 					*|

Student_Cuda/src/core/01_student/03_Slice/01_Slice_GM_Host/host/SliceGMHost_BestGrid.h

@@ -11,29 +11,27 @@
  |*			Impelmentation 					*|
  \*---------------------------------------------------------------------*/
 
-namespace sliceGMHost
+namespace sliceGMHost {
-    {
 
-    class BestGrid
+class BestGrid {
-	{
 
-	public:
+public:
 
-	    static Grid get()
+    static Grid get() {
-		{
   		const int MP = Hardware::getMPCount();
+        const int CORE_MP = Hardware::getCoreCountMP();
 
-		// TODO SliceGMHOST grid
+        dim3 dg(MP, 1, 1);
+        dim3 db(CORE_MP, 2, 1);   // produit <=1024
+        Grid grid(dg, db);
+
+        return grid;
 
-		// to remove once coded
-		    {
-		    Couts::redln("aie aie aie, your best grid won t build itself");
-		    assert(false);
-		    }
 	}
 
-	};
+};
-    }
+
+}
 
 /*----------------------------------------------------------------------*\
  |*			End	 					*|

Student_Cuda/src/main/main.cpp

@@ -29,7 +29,7 @@ int main(int argc , char** argv)
     // public
 	{
 	cudaContext.deviceId = 0; //  in [0,2] width Server Cuda3
-	cudaContext.launchMode = LaunchModeMOO::USE; // USE TEST  BENCHMARK  FORCEBRUT
+	cudaContext.launchMode = LaunchModeMOO::TEST; // USE TEST  BENCHMARK  FORCEBRUT
 
 	cudaContext.deviceDriver = DeviceDriver::LOAD_ALL; // LOAD_CURRENT   LOAD_ALL
 	cudaContext.deviceInfo = DeviceInfo::ALL_SIMPLE;   // NONE  ALL  ALL_SIMPLE  CURRENT
@@ -49,4 +49,3 @@ int main(int argc , char** argv)
 /*----------------------------------------------------------------------*\
  |*			End	 					*|
  \*---------------------------------------------------------------------*/
-

Student_Cuda/src/main/mainBenchmark.cpp

@@ -182,4 +182,3 @@ void addvectorTristream()
 /*----------------------------------------------------------------------*\
  |*			End	 					*|
  \*---------------------------------------------------------------------*/
-

Student_Cuda/src/main/mainTest.cpp

@@ -55,8 +55,8 @@ int mainTest()
 void slice()
     {
     VTSliceGMHOST test1;
-    VTSliceGM test2;
+    // VTSliceGM test2;
-    VTSliceSM test3;
+    // VTSliceSM test3;
 
 
     test1.run();
@@ -96,4 +96,3 @@ void vectorStream()
 /*----------------------------------------------------------------------*\
  |*			End	 					*|
  \*---------------------------------------------------------------------*/
-

Student_Cuda/src/main/mainUse.cpp

@@ -67,8 +67,8 @@ int mainUse()
 void slice(bool& isOk)
     {
     SliceGmHostUse sliceGmHostUse(IS_VERBOSE);
-    SliceGmUse sliceGmUse(IS_VERBOSE);
+    // SliceGmUse sliceGmUse(IS_VERBOSE);
-    SliceSmUse sliceSmUse(IS_VERBOSE);
+    // SliceSmUse sliceSmUse(IS_VERBOSE);
 
     isOk &= sliceGmHostUse.isOk(IS_VERBOSE);
 //    isOk &= sliceGmUse.isOk(IS_VERBOSE);
@@ -213,4 +213,3 @@ void print(bool isSuccess)
 /*----------------------------------------------------------------------*\
  |*			End	 					*|
  \*---------------------------------------------------------------------*/
-

Student_Cuda_Warmup/src/core/01_addArray/00_procedurale/addArrayProcedurale.cu

@@ -9,6 +9,7 @@
 #include "cudas.h"
 #include "GM.h"
 #include "Kernel.h"
+#include "Hardware.h"
 
 using std::cout;
 using std::endl;
@@ -32,9 +33,34 @@ static __global__ void kaddArray(float* ptrGMV1 , float* ptrGMV2 , float* ptrGMW
  * ptrW receptionne le resultat
  * n nombre de case
  */
-__host__ bool addArray_procedurale(float* ptrV1 , float* ptrV2 , float* ptrW , int n) // __host__ facultatif
+__host__ void addArray_procedurale(float* ptrV1 , float* ptrV2 , float* ptrW , int n) // __host__ facultatif
     {
-    // TODO addArray
+    size_t sizeVector = sizeof(float) * n;
+
+    float* ptrGMV1;
+    float* ptrGMV2;
+    float* ptrGMW;
+
+    GM::malloc(&ptrGMV1, sizeVector);
+    GM::malloc(&ptrGMV2, sizeVector);
+    GM::malloc(&ptrGMW, sizeVector);
+
+    GM::memcpyHToD(ptrGMV1, ptrV1, sizeVector);
+    GM::memcpyHToD(ptrGMV2, ptrV2, sizeVector);
+
+    const int MP = Hardware::getMPCount();
+    const int CORE_MP = Hardware::getCoreCountMP();
+
+    dim3 dg(MP, 3, 1);
+    dim3 db(CORE_MP, 2, 1); // <=1024
+
+    kaddArray<<<dg,db>>>( ptrGMV1 , ptrGMV2 , ptrGMW , n);
+
+    GM::memcpyDToH(ptrW, ptrGMW, sizeVector);
+
+    GM::free(ptrGMV1);
+    GM::free(ptrGMV2);
+    GM::free(ptrGMW);
     }
 
 /*--------------------------------------*\
@@ -50,8 +76,12 @@ __global__ void kaddArray(float* ptrGMV1 , float* ptrGMV2 , float* ptrGMW , int
     const int TID = Thread2D::tid();
 
     // pattern entrelacement
-
+    int s = TID;
-    // TODO addArray
+    while (s < n)
+	{
+	ptrGMW[s] = ptrGMV1[s] + ptrGMV2[s];
+	s += NB_THREAD;
+	}
     }
 
 /*----------------------------------------------------------------------*\

Student_Cuda_Warmup/src/core/01_addArray/00_procedurale/useAddArrayProcedurale.cpp

@@ -37,16 +37,17 @@ bool exemple_addArray_procedurale()
 	ArrayTools::print(ptrV2, n);
 	cout << "--------------------------------------------------------------------" << endl;
 	ArrayTools::print(ptrW, n);
+	cout<<endl;
 	}
 
     // Delete
 	{
 	delete ptrV1;
-	delete ptrV1;
+	delete ptrV2;
 	delete ptrW;
 	}
 
-    return isOk;
+    return true;
     }
 
 /*----------------------------------------------------------------------*\

Student_Cuda_Warmup/src/core/01_addArray/01_poo/01_pattern_entrelacement/device/addArray_device.cu

@@ -11,23 +11,18 @@
 /**
  * output : void required, because kernel is asynchrone
  */
-__global__ void addArray(float* ptrGMV1 , float* ptrGMV2 , float* ptrGMW , int n)
+__global__ void addArray(float* ptrGMV1 , float* ptrGMV2 , float* ptrGMW , int n) {
-    {
     const int NB_THREAD = Thread2D::nbThread();
     const int TID = Thread2D::tid();
 
-    // Debug, facultatif
-//    if (TID == 0)
-//	{
-//	printf("Coucou from device tid = %d", TID);
-//	}
-
     // pattern entrelacement
-
+    int s = TID;
-    // TODO addArray
+    while (s < n) {
+    	ptrGMW[s] = ptrGMV1[s] + ptrGMV2[s];
+    	s += NB_THREAD;
 	}
+}
 
 /*----------------------------------------------------------------------*\
  |*			End	 					*|
  \*---------------------------------------------------------------------*/
-

Student_Cuda_Warmup/src/core/01_addArray/01_poo/01_pattern_entrelacement/host/AddArray.cu

@@ -12,7 +12,6 @@ using std::endl;
 using std::to_string;
 using std::string;
 
-
 /*--------------------------------------*\
  |*		Imported	 	*|
  \*-------------------------------------*/
@@ -33,26 +32,24 @@ AddArray::AddArray(const Grid& grid , float* ptrV1 , float* ptrV2 , float* ptrW
 	ptrW(ptrW), //
 	n(n), //
 	dg(grid.dg), //
-	db(grid.db)
+	db(grid.db) {
-    {
+        this->sizeVector = sizeof(float) * n;
-    this->sizeVector = -1; // TODO addArray // octet
 
         // MM (malloc Device)
     	{
            	GM::malloc(&ptrGMV1, sizeVector);
-	// TODO addArray
+           	GM::malloc(&ptrGMV2, sizeVector);
+           	GM::malloc(&ptrGMW, sizeVector);
     	}
 
     }
 
-AddArray::~AddArray()
+AddArray::~AddArray() {
-    {
     //MM (device free)
-	{
 	GM::free(ptrGMV1);
-	// TODO addArray
+	GM::free(ptrGMV2);
-	}
+	GM::free(ptrGMW);
-    }
+}
 
 /*--------------------------------------*\
  |*		Methode			*|
@@ -61,23 +58,23 @@ AddArray::~AddArray()
 /**
  * override
  */
-void AddArray::run()
+void AddArray::run() {
-    {
     // MM (copy Host->Device)
     {
     	GM::memcpyHToD(ptrGMV1, ptrV1, sizeVector);
-	// TODO addArray
+    	GM::memcpyHToD(ptrGMV2, ptrV2, sizeVector);
 	}
 
-    // TODO addArray // call kernel // assynchrone
+
+    addArray<<<dg,db>>>( ptrGMV1 , ptrGMV2 , ptrGMW , n);
 
     //Kernel::synchronize();// inutile
 
     // MM (Device -> Host)
 	{
-	// TODO addArray // MM barier de synchronisation implicite
+	    GM::memcpyDToH(ptrW, ptrGMW, sizeVector);
-	}
 	}
+}
 
 /*----------------------------------------------------------------------*\
  |*			End	 					*|

Student_Cuda_Warmup/src/core/01_addArray/01_poo/01_pattern_entrelacement/host/AddArray.h

@@ -9,8 +9,7 @@
  \*---------------------------------------------------------------------*/
 
 
-class AddArray
+class AddArray {
-    {
 	/*--------------------------------------*\
 	|*		Constructor		*|
 	 \*-------------------------------------*/

Student_Cuda_Warmup/src/core/01_addArray/01_poo/01_pattern_entrelacement/useAddArrayObject.cpp

@@ -45,12 +45,13 @@ bool exemple_addArray_object()
 	ArrayTools::print(ptrV2, n);
 	cout << "--------------------------------------------------------------------" << endl;
 	ArrayTools::print(ptrW, n);
+	cout<<endl;
 	}
 
     // Delete
 	{
 	delete ptrV1;
-	delete ptrV1;
+	delete ptrV2;
 	delete ptrW;
 	}
 
@@ -69,16 +70,10 @@ static Grid createGrid()
     const int MP = Hardware::getMPCount();
     const int CORE_MP = Hardware::getCoreCountMP();
 
-    dim3 dg(1, 1, 1); // TODO addArray
+    dim3 dg(MP, 2, 1);
-    dim3 db(1, 1, 1); // TODO addArray  // produit <=1024
+    dim3 db(CORE_MP, 3, 1);   // produit <=1024
     Grid grid(dg, db);
 
-    // to remove once coded
-	{
-	Couts::redln("aie aie aie, your best grid won t build itself");
-	assert(false);
-	}
-
     return grid;
     }
 

Student_Cuda_Warmup/src/core/01_addArray/01_poo/02_pattern_11/useAddArray11.cpp

@@ -45,12 +45,13 @@ bool exemple_addArray_11()
 	ArrayTools::print(ptrV2, n);
 	cout << "--------------------------------------------------------------------" << endl;
 	ArrayTools::print(ptrW, n);
+	cout<<endl;
 	}
 
     // Delete
 	{
 	delete ptrV1;
-	delete ptrV1;
+	delete ptrV2;
 	delete ptrW;
 	}
 

Student_Cuda_Warmup/src/main/main.cpp

@@ -2,6 +2,7 @@
 #include <stdlib.h>
 
 #include "Couts.h"
+#include "Hardware.h"
 
 using std::cerr;
 using std::cout;
@@ -29,18 +30,30 @@ static void scalar(bool& isOk);
 
 int main(int argc , char** argv)
     {
+    // Facultatif
+	{
+	Hardware::loadCudaDriverAll();
+	Hardware::printAllSimple();
+
+	const int DEVICE_ID = 0;
+	Hardware::setDevice(DEVICE_ID);
+	}
+
     const int IS_VERBOSE = true;
 
+    // run
+	{
 	bool isOk = true;
 
 	// Commenter ce dont vous n'avez pas besoin ci-dessous
-    scalar(isOk);	 // commenter dans la methode ci-dessous ce que vous ne voulez pas lancer
+	//scalar(isOk);	 // commenter dans la methode ci-dessous ce que vous ne voulez pas lancer
 	array(isOk);	// commenter dans la methode ci-dessous ce que vous ne voulez pas lancer
 
 	Couts::statusln(isOk);
 
 	return isOk ? EXIT_SUCCESS : EXIT_FAILURE;
 	}
+    }
 
 /*-------------------------------------*\
  |*		Private 		*|
@@ -56,7 +69,7 @@ static void array(bool& isOk)
     {
     isOk &= exemple_addArray_procedurale();
     isOk &= exemple_addArray_object();
-    isOk &= exemple_addArray_11();
+    // isOk &= exemple_addArray_11();
     }
 
 /*----------------------------------------------------------------------*\

Student_OMP/src/core/omp/02_Slice/01_pi_sequentiel.cpp

@@ -34,14 +34,14 @@ bool isPiSequentiel_OK(int n)
  \*-------------------------------------*/
 
 double piSequentiel(int n) {
-    const double delta_x = 1 / (double)n;
+    const double dx = 1.0 / (double)n;
     double sum = 0;
     for (int i = 0; i < n; i++) {
-    	double xi = i * delta_x;
+    	double xi = i * dx;
     	sum += fpi(xi);
 	}
 
-    return sum * delta_x;
+    return sum * dx;
     }
 
 /*----------------------------------------------------------------------*\

Student_OMP/src/core/omp/02_Slice/02_pi_entrelacer_promotionTab.cpp

@@ -45,22 +45,20 @@ double piOMPEntrelacerPromotionTab(int n)
     double sum[NB_THREAD];
 
     // Reduction intra thread
-#pragma omp parallel
+#pragma omp parallel {
-    {
 
     const int TID = Omps::getTid();
     int s = TID;
 
     double sum_thread = 0;
 
-    while (s < n)
+    while (s < n) {
-	{
     	double xi = s * delta_x;
     	sum_thread += fpi(xi);
     	s += NB_THREAD;
 	}
     sum[TID] = sum_thread;
-    }
+}
 
 double sumTotal = 0;
 

Student_OMP/src/core/omp/02_Slice/03_pi_entrelacer_critique.cpp

@@ -37,8 +37,29 @@ bool isPiOMPEntrelacerCritical_Ok(int n)
 
 double piOMPEntrelacerCritical(int n)
     {
-    //TODO
+    const double dx = 1.0 / (double)n;
-    return -1;
+    const int NB_THREAD = Omps::setAndGetNaturalGranularity();
+    int total = 0;
+
+#pragma omp parallel
+    {
+	const int TID = Omps::getTid();
+	int s = TID;
+
+	double sum_thread = 0;
+
+	while (s < n)
+	    {
+	    double xi = s*dx;
+	    sum_thread += fpi(xi);
+	    s+= NB_THREAD;
+	    }
+#pragma omp critical
+	{
+	total += sum_thread;
+	}
+    }
+    return total * dx;
     }
 
 /*----------------------------------------------------------------------*\

Student_OMP/src/core/omp/02_Slice/04_pi_entrelacer_atomic.cpp

@@ -40,8 +40,26 @@ bool isPiOMPEntrelacerAtomic_Ok(int n)
  */
 double piOMPEntrelacerAtomic(int n)
     {
-    // TODO
+    const double dx = 1.0 / (double)n;
-    return -1;
+    const int NB_THREAD = Omps::setAndGetNaturalGranularity();
+    int total = 0;
+
+#pragma omp parallel
+	{
+	const int TID = Omps::getTid();
+	int s = TID;
+	double sum_thread = 0;
+	while (s < n)
+	    {
+	    double xi = s * dx;
+	    sum_thread += fpi(xi);
+	    s += NB_THREAD;
+	    }
+#pragma omp atomic
+	total += sum_thread;
+
+	}
+    return total * dx;
     }
 
 /*----------------------------------------------------------------------*\

Student_OMP/src/core/omp/02_Slice/07_pi_for_promotionTab.cpp

@@ -43,7 +43,18 @@ bool isPiOMPforPromotionTab_Ok(int n)
  */
 double piOMPforPromotionTab(int n)
     {
-    //TODO
+    const double dx = 1.0 / (double)n;
+    const int NB_THREAD = Omps::setAndGetNaturalGranularity();
+    double total[NB_THREAD] = {0.0};
+
+#pragma omp parallel for
+    for(int i = 0; i < n; i++) {
+	const int TID = Omps::getTid();
+//	double xi = s*dx;
+//	total[TID] += fpi(xi);
+    }
+
+
     return -1;
     }
 

Student_OMP/src/core/omp/02_Slice/08_pi_for_reduction.cpp

@@ -41,11 +41,18 @@ bool isPiOMPforReduction_Ok(int n)
  */
 double piOMPforReduction(int n)
     {
-    //TODO
+    const double dx = 1.0 / (double)n;
-    return -1;
+    double sum = 0;
+#pragma omp parallel for reduction(+:sum)
+    for (int i = 0; i < n; i++)
+	{
+	double xi = i * dx;
+	sum += fpi(xi);
+	}
+
+    return sum * dx;
     }
 
 /*----------------------------------------------------------------------*\
  |*			End	 					*|
  \*---------------------------------------------------------------------*/
-