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// Memoria global #include <stdio.h> #include <stdlib.h> #include <cuda_runtime.h> #define N 16 int main(int argc, char** argv) { // declaraciones float *hst_A, *hst_B; float *dev_A, *dev_B; // reserva en el host hst_A = (float*)malloc(N * sizeof(float)); hst_B = (float*)malloc(N * sizeof...
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// Vector addition: C = 1/A + 1/B. // compile with the following command: // // (for GTX970) // nvcc -arch=compute_52 -code=sm_52,sm_52 -O2 -m64 -o vecAdd vecAdd.cu // // (for GTX1060) // nvcc -arch=compute_61 -code=sm_61,sm_61 -O2 -m64 -o vecAdd vecAdd.cu // Includes #include <stdio.h> #include <stdlib.h> #include <...
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * DESCRIPTION : * Serial Concurrent Wave Equation - C Version * This program implements the concurrent wave equation * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ...
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#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <stdio.h> int main() { // Get number of GPUs int deviceCount; cudaGetDeviceCount(&deviceCount); printf("Number of GPU devices: %i\n", deviceCount); // Get CUDA driver and runtime version int driverVersion; int runtimeVersion; cud...
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#include "includes.h" __global__ void ScaleUp(float *d_Result, float *d_Data, int width, int pitch, int height, int newpitch) { #define BW (SCALEUP_W/2 + 2) #define BH (SCALEUP_H/2 + 2) __shared__ float buffer[BW*BH]; const int tx = threadIdx.x; const int ty = threadIdx.y; if (tx<BW && ty<BH) { int x = min(max(blockIdx...
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/** * Copyright 1993-2012 NVIDIA Corporation. All rights reserved. * * Please refer to the NVIDIA end user license agreement (EULA) associated * with this source code for terms and conditions that govern your use of * this software. Any use, reproduction, disclosure, or distribution of * this software and relate...
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#include "includes.h" __global__ void uniformAdd(unsigned int n, unsigned int *data, unsigned int *inter) { __shared__ unsigned int uni; if (threadIdx.x == 0) { uni = inter[blockIdx.x]; } __syncthreads(); unsigned int g_ai = blockIdx.x*2*blockDim.x + threadIdx.x; unsigned int g_bi = g_ai + blockDim.x; if (g_ai < n) ...
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#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <time.h> #include <stdio.h> #include <iostream> #define epsilon 0.000001 using namespace std; void Gaussian(float* data, int size, FILE* file); void ForwardElim(float* data, int size); void BackSub(float* data, int size); void SwapRows(float* da...
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#include <iostream> #include <cstdlib> #include <cuda.h> #include <cuda_runtime.h> #include <device_launch_parameters.h> __global__ void vecAdd(double* res, double* inA, double* inB, size_t n) { int x = blockDim.x * blockIdx.x + threadIdx.x; if (x >= n) return; res[x] = inA[x] + inB[x]; } vo...
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#include <stdio.h> #include <stdlib.h> #include <cuda.h> __global__ void reduce(int *g_idata, int *g_odata) { } int main(int argc, char *argv[]) { // We assume that the element number is the power of 2 for simplification. const int elemNum = 1 << 22; int arraySize = elemNum * sizeof(int); // host memory int *h_i...
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/** * Add 2 vectors using CUDA. */ #include <stdio.h> #include <stdlib.h> #include <cuda.h> #include <cuda_runtime.h> #include <iostream> #include <string.h> /** * This macro checks return value of the CUDA runtime call and exits * the application if the call failed. */ #define CUDA_CHECK_RETURN( value ) { \ ...
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struct MyStruct { float floatvalue; int intvalue; }; __device__ __host__ float sumStruct(struct MyStruct **p_structs, int N) { float sum = 0; for(int i = 0; i < N; i++) { struct MyStruct *mystruct = p_structs[i]; sum += mystruct->floatvalue + float(mystruct->intvalue) * 3.5f; } ...
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/* cada hilo copia su parte */ __global__ void gpuCopiarLayer(float *layer, float *layer_copy) { int idBloque = blockIdx.x + blockIdx.y*gridDim.x; int idGlobal = (idBloque*blockDim.x*blockDim.y) + (threadIdx.y*blockDim.x) + threadIdx.x; layer_copy[idGlobal]=layer[idGlobal]; } /* se actualiza la capa en función de l...
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#include <stdio.h> #include <stdlib.h> #include <iostream> #include <math.h> #include <time.h> //#define VERIFY //uncomment above to print difference between CPU and GPU calculations __global__ void matmul_kernel( const float* M1, const float* M2, float* M3, const int m, const int n, const int p ) { /...
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float h_A[]= { 0.5497571433874873, 0.8347494050502031, 0.8055736747507383, 0.8446806354421298, 0.9203646031866868, 0.75587394208173, 0.7271795302862971, 0.6541245401546809, 0.6474186907135968, 0.696932168348505, 0.9601942745787786, 0.5481004285262927, 0.7104979842273528, 0.8136085794451676, 0.7747238308303026, 0.940155...
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#include "includes.h" __global__ static void transform_vert_to_fit(const int* src, int* dst, const int nb_vert) { const int p = blockIdx.x * blockDim.x + threadIdx.x; if(p < nb_vert) dst[p] = src[p] < 0 ? 0 : 1; }
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/************************************************************************* >> File Name: MatrixMultipl.c >> Author: chenjunjie >> Mail: 2716705056qq.com >> Created Time: 2019.06.07 ************************************************************************/ #include<stdio.h> #include<stdlib.h> #include<cuda.h> #define W...
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#include <stdio.h> #include <stdlib.h> #include <time.h> float * multiplicar (float * mat1, float *mat2, int n) { float *res; int i=0; int j=0; int k=0; res = (float*) malloc(n * n * sizeof(float)); for (i = 0; i<n; i++) { for (j = 0; j<n; j++) { res[i*n+j]=0; ...
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extern "C" /* Pointer kernelParameters = Pointer.to( // Dots properties Pointer.to(gDots.iGA_Float[GPUDots.PX].gpuArray), Pointer.to(gDots.iGA_Float[GPUDots.PY].gpuArray), Pointer.to(gDots.iGA_Float[GPUDots.PZ].gpuArray), ...
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#include <stdio.h> #include <stdlib.h> #include <math.h> #define TILE_WIDTH 16 __global__ void Matrix_Mul_Kernel(float* d_M, float* d_N, float* d_P, int Width) { __shared__ float Mds[TILE_WIDTH][TILE_WIDTH]; __shared__ float Nds[TILE_WIDTH][TILE_WIDTH]; int bx = blockIdx.x; int by = blockIdx.y; int tx = threadI...
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#ifdef _GLIBCXX_USE_INT128 #undef _GLIBCXX_USE_INT128 #endif #ifdef _GLIBCXX_ATOMIC_BUILTINS #undef _GLIBCXX_ATOMIC_BUILTINS #endif #include <thrust/device_vector.h> #include <thrust/host_vector.h> #include <thrust/sort.h> #include <thrust/scan.h> #include <thrust/iterator/zip_iterator.h> #include <iostream> #incl...
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#include "includes.h" __global__ void __fillToIndsLongX(long long A, long long *B, long long len) { int tid = threadIdx.x + blockDim.x * (blockIdx.x + gridDim.x * blockIdx.y); int step = blockDim.x * gridDim.x * gridDim.y; long long i; for (i = tid; i < len; i += step) { B[i] = A; } }
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#include <stdio.h> #include <stdlib.h> #include <stdint.h> /* __global__ void kernel(float* input0,float* input1,float* output0){ extern __shared__ __attribute__ ((aligned(16))) uint8_t sbase[]; float v3; v3 = 0.0; for (int i4 = 0;i4 < 256;i4++){ v3 = (v3+(input0[((blockIdx.x*256)+i4)...
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__global__ void forwardReductionKernel(const double *a_d, const double *b_d, const double *c_d, double *d_d, const double *k1_d, const double *k2_d, ...
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/* * nn.cu * * Created on: Apr 18, 2017 * Author: sara */ #include "nn.cuh" #include "nn_kernels.cuh" #include <iostream> #include <fstream> #include <iomanip> # define MAX_THREADS 1024 /****************************************************************************** * data_buffer_split: creating data buff...
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#include <stdio.h> #include <cuda_runtime.h> #include <iostream> #include <cstdlib> #include <curand.h> #include <curand_kernel.h> #include <ctime> #include <fstream> //Función que genera una jewel al azar int createJewel(int difficulty) { srand(time(NULL)); switch (difficulty) { case 1: { int randomJewel = ran...
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#include <stdlib.h> #include <stdio.h> #include <time.h> typedef struct { int width; int height; float* elements; } Matrix; #define BLOCK_SIZE 2 #define MATRIX_SIZE 2 __global__ void MatMulKernel(const Matrix, const Matrix, const Matrix); void MatMul(const Matrix A, const Matrix B, Matrix C) { ...
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#include "includes.h" __global__ void kMultDiagonalScalar(float* mat, float val, float* tgtMat, unsigned int width) { const unsigned int idx = blockIdx.x * blockDim.x + threadIdx.x; const unsigned int numThreads = blockDim.x * gridDim.x; for (unsigned int i = idx; i < width; i += numThreads) { tgtMat[width*i + i] = ma...
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#include "includes.h" __global__ void kernel_bfs_t(int *g_push_reser, int *g_sink_weight, int *g_graph_height, bool *g_pixel_mask, int vertex_num, int width, int height, int vertex_num1, int width1, int height1) { int thid = __umul24(blockIdx.x, blockDim.x) + threadIdx.x ; if(thid < vertex_num && g_pixel_mask[thid] ...
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#include "includes.h" __global__ void copySimilarity(float* similarities, int active_slices, int slices, int* activeMask, int target, int source) { int i = threadIdx.x + blockIdx.x * blockDim.x; if (i >= active_slices) return; int slice = activeMask[i]; similarities[target*slices + slice] = similarities[source*slices +...
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#include "includes.h" __global__ void _logploss(int nrows, int ncols, float *y, float *dy) { /* Similar to softmaxloss, except y is assumed normalized logp and is not overwritten. y is layer output, i.e. normalized log probabilities. dy is the label matrix: each column is a one-hot vector indicating the correct label. ...
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#if !defined(_VEICULOS_CU_) #define _VEICULOS_CU_ class Veiculo{ public: //Metodos __host__ __device__ Veiculo(){}; __host__ __device__ Veiculo(int id){ ID = id + 11; x = 0; y = 0; vel = 0; tam = 0; vMax = 0; }; //Atributos int ID, ...
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#include <stdio.h> #include <stdint.h> #include <string> #include <cmath> #include <algorithm> using namespace std; #define CHECK(call)\ {\ const cudaError_t error = call;\ if (error != cudaSuccess)\ {\ fprintf(stderr, "Error: %s:%d, ", __FILE__, __LINE__);\ fprintf(stderr, "code: %d, reas...
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// extern __shared__ uchar3 s_inPixels[]; // int idxR = blockIdx.y * blockDim.y + threadIdx.y; // int idxC = blockIdx.x * blockDim.x + threadIdx.x; // int filterPadding = filterWidth/2; // int shareBlockWidth = blockDim.x + filterPadding; // int inR = idxR - filterPadding; // int inC = idxC - filterPadding; /...
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/* CSC501 - Operating System - Spring 2012 - North Carolina State University HomeWork2 Prob4. See - http://courses.ncsu.edu/csc501/lec/001/hw/hw2/ Author: Salil Kanitkar (sskanitk@ncsu.edu) For Compiling - $ make clean ; make a4 For Executing - $ ./a4 <path-to-log-file> <path-to-process-list-file> */ #include<stdio...
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#include "includes.h" __global__ void reductionKernel(float* vec, int width, double* sumUp){ //shared memory instantiation extern __shared__ float partialSum[]; //index for global memory int g_idx = blockDim.x * blockIdx.x + threadIdx.x; //index for shared memory int b_idx = threadIdx.x; //load shared memory from gl...
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// Vector addition (device code) // extern C for host program load correct function name extern "C" __global__ void Sum(int *a, int *b, int *c, int n) { int tid = threadIdx.x + blockIdx.x * blockDim.x; if (tid < n) c[tid] = a[tid] + b[tid]; }
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#include "includes.h" extern "C" __global__ void sumSquareError (int nBatch, int rbs, int rScale, int nCoeff, float *DA, float *CA, float *EA, float *SA) { int i = blockIdx.x * blockDim.x + threadIdx.x; if (i < nBatch) { const int daOffset = i * rbs * rScale * nCoeff; const int caOffset = i * nCoeff; const int eaOffse...
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#include <iostream> #include <random> using namespace std; // Matrices are stored in row-major order: // M(row, column) = *(M.elements + row * M.width + col) typedef struct { int width; int height; float * elements; } Matrix; // Thread block size #define BLOCK_SIZE 16 // Forward declaration of the matrix mu...
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#if GOOGLE_CUDA #define EIGEN_USE_GPU #define FLT_MAX 1e35 #include <cassert> __device__ inline bool isvalidxy(const int h, const int w,const int y,const int x) { return (y >= 0) && (x >= 0) && (y < h) && (x < w); } __device__ inline void swapf(float & a, float & b) { float tmp = a; a = b; b = tmp; } ...
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#include <stdio.h> #include <cuda_runtime.h> __global__ void sample(int *A) { __shared__ int i; i = 0; if(threadIdx.x == 0) { for(int j = 0; j < 10000000; j++); A[i] = 1; atomicAdd(&i, 1); __syncthreads(); for(int j = 0; j < 1000000; j++); A[i] = 2; atomicAdd(&i, 1); } else { A[i] = 3; ato...
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#include<thrust/reduce.h>
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#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <stdio.h> __global__ void unique_gid_calculation_2D_2D(int *input){ int tid = threadIdx.x + blockDim.x * threadIdx.y; int num_threads_per_block = blockDim.x * blockDim.y; int block_offset = blockIdx.x * num_threads_per_block; int num_thre...
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// nlm algorithm using shared memory // also uses transpose *cube // furthermore uses transpose shared array // if blockSize=16 or 32 then avoids bank conflicts __global__ void nlmSharedT(float *out, const float *in, const float *cube, const int N, const int M, const int window, ...
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#include <stdio.h> #include <stdlib.h> #include <string> #include <iostream> #include <algorithm> using namespace std; #define CAFFE_CUDA_NUM_THREADS 196 inline int CAFFE_GET_BLOCKS(const int N) { return (N + CAFFE_CUDA_NUM_THREADS - 1) / CAFFE_CUDA_NUM_THREADS; } template <typename Dtype> __global__ void ConvFo...
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#include <iostream> #include <stdio.h> #include <iomanip> #include <cuda_runtime.h> using namespace std; void MatrixRandBin(float *mat, int rows, int cols) { for (int i = 0; i < rows; i++) { for (int j = 0; j < cols; j++) { if ((float)rand()/RAND_MAX > 0.5) { mat[i*cols+j] = 1.0...
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#include <stdio.h> #include <stdlib.h> #include "device_launch_parameters.h" #include <cuda_runtime.h> __global__ void vecAdd(float *a,float *b, float *c, int len) { int i=threadIdx.x+blockDim.x*blockIdx.x; if(i<len) c[i] = a[i] + b[i]; } void vecAdd_CPU(float *a,float *b, float *c, float len) { int ...
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#include <stdio.h> #include <stdlib.h> #include <cuda.h> #include <cuda_profiler_api.h> #include <math.h> #include <curand_kernel.h> #include <time.h> #include <string.h> int sudoku[81]; int state[81]; int len = 81; __constant__ int mstate_d[81]; #define gpuErrchk(ans) { gpuAssert((ans), __FILE__, __LINE__); } inli...
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#include "includes.h" __global__ void sino_uncmprss(unsigned int * dsino, unsigned char * p1sino, unsigned char * d1sino, int ifrm, int nele) { int idx = blockIdx.x*blockDim.x + threadIdx.x; if (idx<nele) { d1sino[2 * idx] = (unsigned char)((dsino[ifrm*nele + idx] >> 8) & 0x000000ff); d1sino[2 * idx + 1] = (unsigned ch...
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#include <iostream> #define N (2048*2048) #define THREADS_PER_BLOCK 512 // #define N (8*8) // #define THREADS_PER_BLOCK 8 __global__ void add(int *a, int *b, int *c) { int index = threadIdx.x + blockIdx.x * blockDim.x; c[index] = a[index] + b[index]; } void random_ints(int *a, int size) { for (int i = 0...
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#include<stdio.h> #define NUM_BLOCKS 8 #define BLOCK_WIDTH 5 __global__ void hello(){ printf("\nHello from Thread [%d] inside Block [%d]", threadIdx.x, blockIdx.x); } int main(){ hello<<<NUM_BLOCKS, BLOCK_WIDTH>>>(); cudaDeviceSynchronize(); printf("\nDONE"); return 0; }
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/* ============================================================================ Filename : algorithm.c Author : Your name goes here SCIPER : Your SCIPER number ============================================================================ */ #include <iostream> #include <iomanip> #include <sys/time.h> #incl...
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#include <stdio.h> #include <cuda_runtime.h> #include <iostream> #define N 2048 * 2048 // Number of elements in each vector /* * Optimize this already-accelerated codebase. Work iteratively * and use profiler to check your progress * * Aim to profile `saxpy` (without modifying `N`) running under * 25us. * * So...
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/* * * Carlos Roman Rivera - A01700820 * * Programming Languages - Cuda Lab 2 * */ #include <stdio.h> #include <stdlib.h> #include <cuda.h> #include <time.h> __global__ void matrix_multiplication(int *matrix_1, int *matrix_2, int *matrix_r, int m, int n, int p){ int row = threadIdx.y + blockIdx.y * blockDim.y...
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#include <stdlib.h> #include <math.h> #include <stdio.h> #define N 512 #define NTPB 1024 __global__ void mergeSmall_k(int *a, int *b, int *m, int sizeA, int sizeB){ int K[2]; int P[2]; int Q[2]; int i = threadIdx.x;// + blockIdx.x * blockDim.x; __shared__ int sA[N]; __shared__ int sB[N]; if(i<2*N){ sA[i%N]...
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/* Template code for convolution. CS6023, IITM */ #include<stdio.h> #include<cuda.h> #include<math.h> #define W 1024 // Input DIM #define OW (W-4) // Output DIM #define D 8 // Input and Kernel Depth #define T 5 // Kernel DIM #define N 128 // Number of kernels void fillMatrix(unsigned char *matrix){ unsigned char ...
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#include <stdio.h> #include <stdlib.h> #include <math.h> #include <assert.h> #include <cuda_runtime.h> #include <fstream> #include <chrono> #include <iostream> __global__ void matrixMultiplication2D(const double *A, const double *B, double *C, int size) { int rowIdx = blockIdx.y * blockDim.y + threadIdx.y; int ...
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#include "includes.h" __global__ void OutputLayer(float* hiddenVotes, float* weight, int d_numHiddenNodes, float* d_votes){ int id = threadIdx.x + blockDim.x * blockIdx.x; float total = 0.0f; for (int i = 0; i < d_numHiddenNodes; ++i){ //printf("Hidden Votes: %i\n", hiddenVotes[i]); //printf("Hidden Votes: %f, Weight...
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#include "includes.h" __global__ void simple_reduction(int *shared_var, int *input_values, int N, int iters) { __shared__ int local_mem[256]; int iter, i; int tid = blockIdx.x * blockDim.x + threadIdx.x; int local_tid = threadIdx.x; int local_dim = blockDim.x; int minThreadInThisBlock = blockIdx.x * blockDim.x; int max...
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// aslp-aslp-cudamatrix/cu-nnet-mpi-sync.cu // Copyright 2016 ASLP (author: zhangbinbin) // Created on 2016-02-24 #include "curand.h" #ifdef CURAND_CHECK #undef CURAND_CHECK #endif #define CURAND_CHECK(status) { curandAssert(status, __FILE__, __LINE__); } #include "stdio.h" inline void curandAssert(curandStatus_t ...
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#include<cstdio> #include<stdio.h> #include<time.h> #include<string.h> #include<unistd.h> #include<stdlib.h> unsigned char *gpu_input_data_s,*gpu_output_data_s; unsigned int *gpu_offset; #define FINGERPRINT_LEN 20 #define MAX_CHUNK_LEN (16384) #define MJW #ifdef MJW typedef struct { unsigned long total[2]; ...
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#include <stdio.h> __global__ void kernelA(){ // Giant conditional so that it only prints once, this would not be done in pactice if (blockIdx.x == 0 & blockIdx.y == 1 & blockIdx.z == 0 & threadIdx.x == 1 & threadIdx.y == 0 & threadIdx.z == 1) { printf("gridDim (%d, %d, %d)\n", gridDim.x, gridDim.y...
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__global__ void wave1Drusanov2(double * f_tmp,double * f_nm, double * f_in, double nu, int N){ int tid = threadIdx.x+blockIdx.x*blockDim.x; if(tid<N){ int x_m = tid-1; if(x_m<0) x_m = (N-1); f_tmp[tid]=f_in[tid]-(2.*nu/3.)*(f_nm[tid]-f_nm[x_m]); } }
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// input: in_data (b,n,c), in_grid (b,n) // output: out_data (b,g,c), out_pooling_mask (b,g,c) __global__ void grid_pooling_gpu(int b,int n,int c,int g,const float * in_data,const int * in_grid,float * out_data,int * out_pooling_mask){ //int index = blockIdx.x * blockDim.x + threadIdx.x; int stride = block...
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#include "includes.h" __global__ void matrixTrans(double * M,double * MT, int rows, int cols) { double val=0; int row = blockIdx.x * blockDim.x + threadIdx.x; int col = blockIdx.y * blockDim.y + threadIdx.y; if (row < rows && col < cols){ val = M[col + row*cols]; MT[row + col*rows] = val; } }
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// Copyright (c) OpenMMLab. All rights reserved. #include <cstdint> namespace mmdeploy { namespace operation { namespace cuda { template <typename T> __global__ void transpose(const T* src, int height, int width, int channels, int src_width_stride, T* dst, int dst_channel_stride) { auto x...
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#include "includes.h" __global__ void compute_array_square(float* array, float* outArray, int size) { int thread_index = threadIdx.x + blockIdx.x * blockDim.x; int num_threads = blockDim.x * gridDim.x; for(int i = 0; i < size; i += num_threads) { int index = i + thread_index; if(index < size) { outArray[index] = array...
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/* ********************************************** * CS314 Principles of Programming Languages * * Spring 2020 * ********************************************** */ #include <stdio.h> #include <stdlib.h> __global__ void collateSegments_gpu(int * src, int * scanResult, int * output, in...
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#include<stdio.h> #include <curand.h> #include <curand_kernel.h> #include<stdlib.h> __global__ void fxn(double *W1, double *W2, double *X, double *Y, double *b1, double *b2, double *h, double *Z, double *loss){ int m = blockDim.x, n = blockDim.y, T = 10; int mx = threadIdx.x, Nx = blockIdx.x, nx = threadIdx.y;...
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#include<stdio.h> #include<stdlib.h> #include<cuda.h> #define N 4 #define TPB 2 __global__ void matrixMul(int *a, int *b,int *c ,int n) { int row = blockIdx.y * blockDim.y + threadIdx.y ; int col = blockIdx.x * blockDim.x + threadIdx.x ; int i; int sum=0; for( i=0 ;i<N; i++) { sum+= a[row * N+...
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__global__ void elementwise_add(const int * array1, const int * array2, int * result, int size) { unsigned int idx = threadIdx.x + blockIdx.x * blockDim.x; unsigned int stride = gridDim.x * blockDim.x; while (idx < size) { result[idx] = array1[idx] + array2[idx]; idx += stride; } }
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#include <stdio.h> __global__ void bbox_logits_to_attrs_gpu_kernel(int input_npoint, int channels, const float* input_roi_attrs, const float* input_logits, float* output_attrs...
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#define N 100 __constant__ double buffer[N];
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#include "includes.h" __global__ void VectorAdd(int *a, int *r, int n, double gamma) { int i=threadIdx.x; if(i<n) r[i] = (int)(255.0*pow((double)a[i]/255.0,1.0/gamma)); }
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#include "includes.h" #define DOUBLE #ifdef DOUBLE #define Complex cufftDoubleComplex #define Real double #define Transform CUFFT_Z2Z #define TransformExec cufftExecZ2Z #else #define Complex cufftComplex #define Real float #define Transform CUFFT_C2C #define TransformExec cufftExecC2C #endif #define TILE_DIM 8 /...
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#include <stdio.h> #include <stdint.h> #include <cuda.h> #include <inttypes.h> #include <iostream> #include <ctime> using namespace std; const long N = 12800; const int THREADS_PER_BLOCK = 32; // CPU copies of a, b, c float *a_cpu, *b_cpu, *c_cpu; __global__ void matrixMultiplicationKernel(float* A, float* B, float...
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#include "includes.h" __global__ void remove_redness_from_coordinates( const unsigned int* d_coordinates, unsigned char* d_r, unsigned char* d_b, unsigned char* d_g, unsigned char* d_r_output, int num_coordinates, int num_pixels_y, int num_pixels_x, int template_half_height, int template_half_width ) { ...
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#include "includes.h" __global__ void partialScan(unsigned int *d_in, unsigned int *d_out, unsigned int *d_total, size_t n) { __shared__ unsigned int temp[BLOCK_WIDTH]; int tx = threadIdx.x; int bx = blockIdx.x; int index = BLOCK_WIDTH * bx + tx; if(index < n) { temp[tx] = d_in[index]; } else { temp[tx] = 0; } __synct...
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/* jegood Joshua Good */ /** * @file p3.cu * Calculates the minimum distance for a set of file-specified points using GPU * multi-threading. This program requires access to a CUDA-enabled GPU (i.e. NVIDIA * graphics card). */ #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <string.h> #inclu...
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#include <iostream> #include <sys/time.h> #define TILE_DIM 32 using namespace std; /* Compile with "-Xptxas -dlcm=cg" flags to disable Fermi L1 cache. * Code would slow down when L1 cache is disabled. * Disabling L1 cache would not have any effect on the shared memory * version of matmul program (see exercise...
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#include<stdio.h> #include<iostream> __global__ void saxpy(int n, float a, float *x, float *y) { int i = blockIdx.x*blockDim.x + threadIdx.x; if (i < n) y[i] = a*x[i] + y[i]; } int main(void) { using namespace std; int N=1<<20; //shift 20 bits to the left int num=100000; float a=2.0; float *x; //host arr...
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#include <stdio.h> #include <math.h> #include <cuda_runtime.h> __global__ void modular(int *a, int *b, int *c){ // for the small case, we only need thread, no block and grid int i = threadIdx.x; c[i] = a[i] % b[i]; // printf is not allowed in kernel function // printf("%d", c[i]) } __global__ void...
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#include <math.h> #include <stdio.h> #include <cuda_runtime.h> #define f(i,j) f[(i) + (j)*(m)] #define Z(i,j) Z[(i) + (j)*m] __global__ void Zev(float const * const Ag,float const * const A, float *Z,float const * const H, int m, int n,int patch,float filtsigma){ int x = blockDim.x * blockIdx.x + threadIdx.x; in...
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#include "includes.h" __global__ void erosionColumns3DKernel( unsigned short *d_dst, unsigned short *d_src, int w,int h,int d, int kernel_radius ) { __shared__ unsigned short smem[ER_COLUMNS_BLOCKDIM_Z][ER_COLUMNS_BLOCKDIM_X][(ER_COLUMNS_RESULT_STEPS + 2 * ER_COLUMNS_HALO_STEPS) * ER_COLUMNS_BLOCKDIM_Y + 1]; unsigned s...
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/* Name: Daniyal Manair Student Number: 20064993 */ #include "cuda_runtime.h" #include "device_launch_parameters.h" #include <vector> #include <stdio.h> #include <random> #include <algorithm> #include <chrono> #include <map> __global__ void sumMatrixGPU(float* A, float* B, float* C, const int N) { unsigned int col...
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#include <stdio.h> #include <stdlib.h> #include <time.h> #define N 1000000 /* <<<B, T>>> gridDim.x = B blockDim.x = T blockIdx.x = 0 ... B - 1 threadIdx.x = 0 ... T - 1 */ /* clP - Cond0tional Likelihood of Parents (1x6) clC - Conditional Likelihood of Children (1x12) clPC - Transition Probability of Parent -> Chi...
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#include <thrust/sort.h> #include <thrust/device_vector.h> #include <thrust/host_vector.h> using namespace std; class Point { public: Point() = default; __host__ __device__ Point(double x, double y) : x(x), y(y) {}; double x, y; }; __device__ Point d_query_point; template<typename T> struct device_sor...
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#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <stdio.h> #include <stdlib.h> #include <math.h> __global__ void sineof(float *X, float *Y){ int idx = blockIdx.x; Y[idx] = sinf(X[idx]); } int main(){ float *X,*Y, N; //program vars float *d_x, *d_y; //device vars int size = sizeof(float);...
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/* #ifndef __CUDACC__ #define __CUDACC__ #endif #include "cuda_runtime.h" #include "device_launch_parameters.h" #include <stdio.h> #include <stdlib.h>* #include <conio.h> const int TILE_WIDTH=2; __global__ void MatrixMulKernel(float* Md, float* Nd, float* Pd, int Width) { __shared__ float Mds[TILE_WIDTH][TILE_WID...
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// Assemble.cu // //This file contains the function that assembles bodies #include <iostream> //Function Prototypes // Functions found in DCAfuncts.cu void Mat66Mult(double A[6][6], double B[6][6], double C[6][6]); void Mat61Mult(double A[6][6], double B[6][6], double C[6][6]); void get_X(double z1[6][6], double z2[6]...
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/* ********************************************** * CS314 Principles of Programming Languages * * Spring 2020 * ********************************************** */ #include <stdio.h> #include <stdlib.h> __global__ void markFilterEdges_gpu(int * src, int * dst, int * matches, int * ke...
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/** * vecAdd: C = A + B. * * Partially based on CUDA samples from CUDA 7.5 Toolkit * */ #include <stdio.h> #include <time.h> // For the CUDA runtime routines (prefixed with "cuda_") #include <cuda_runtime.h> /** * CUDA Kernel Device code * * Computes the vector addition of A and B into C. The 3 vectors ha...
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#include <stdio.h> #define ANGLE_COUNT 360 // declare constant memory __constant__ float cangle[ANGLE_COUNT]; // declare global memory __device__ float gangle[ANGLE_COUNT]; // kernel function for constant memory __global__ void test_kernel(float* darray) { int index = blockIdx.x * blockDim.x + threadIdx.x; ...
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#include <thrust/device_vector.h> #include <thrust/copy.h> #include <thrust/scan.h> #include <iostream> #include <iterator> // BinaryPredicate for the head flag segment representation // equivalent to thrust::not2(thrust::project2nd<int,int>())); template <typename HeadFlagType> struct head_flag_predicate : publ...
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#include <assert.h> #include <stdio.h> __global__ void hello_from_gpu(void) { printf("Hello world from GPU, thread %d!\n", threadIdx.x); } int main(void) { printf("Hello world from CPU!\n"); hello_from_gpu<<<1, 10>>>(); int32_t runtime_version; cudaError_t cudaerr = cudaRuntim...
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#include "includes.h" __global__ void matrixSum(int* a,int* b, int* c, int size) { // int max = maxThreadsPerBlock; // printf("ERROR en global\n"); int pos = threadIdx.x + blockIdx.x * blockDim.x; // printf("Block: %d\n", blockIdx.x ); // printf("pos= %d\n",pos); if(pos<size*size){ c[pos] = a[pos] + b[pos]; } }
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// ### // ### // ### Practical Course: GPU Programming in Computer Vision // ### // ### // ### Technical University Munich, Computer Vision Group // ### Summer Semester 2017, September 11 - October 9 // ### #include <cuda_runtime.h> #include <iostream> using namespace std; // cuda error checking #define CUDA_CHECK ...
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#include "includes.h" extern "C" { } __global__ void elSq2(int N, int M, float *In, float *Out) { int i = blockIdx.x * blockDim.x + threadIdx.x; int j = blockIdx.y * blockDim.y + threadIdx.y; int index = j*N + i; if (i < N && j < M) { Out[index] = __fmul_rn(In[index], In[index]); } }
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#include <iostream> #include <cstdio> __global__ void helloFromGPU(void) { printf("Hello from GPU - block: %d - thread: %d. \n", blockIdx.x, threadIdx.x); } int main() { std::cout << "Hello from CPU. " << std::endl; helloFromGPU<<<2, 5>>>(); //cudaDeviceReset(); cudaDeviceSynchronize(); re...
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#include "includes.h" __global__ void sumArraysOnGPU(float *A, float *B, float *C) { int idx = blockIdx.x * blockDim.x + threadIdx.x; C[idx] = A[idx] + B[idx]; }