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#include <stdio.h> #include <cuda_runtime.h> #include <assert.h> #include <math.h> struct Matrix { float* addr; int height; int width; }; #define TILE_WIDTH 32 #define BLOCK_WIDTH 32 #define CHECK(call) { \ const cudaError_t error = call; \ if (error != cudaSuccess) { ...
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#include<iostream> #include<cstdio> using namespace std; __global__ void maxi(int *a,int *b,int n) { int block=256*blockIdx.x; int max=0; for(int i=block;i<min(256+block,n);i++) { if(max<a[i]) { max=a[i]; } } b[blockIdx.x]=max; } int main() { cout<<"Enter the size of array: "; int n; cin>>n; in...
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//headers #include <stdio.h> #include <cuda.h> #define imin(a, b) ((a < b) ? a : b) #define sum_squares(x) (x * (x + 1) * (2 * x + 1) / 6) //global variables float *hostA = NULL; float *hostB = NULL; float *partial_hostC = NULL; float *deviceA = NULL; float *deviceB = NULL; float *partial_deviceC = NULL; co...
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#include <thrust/sort.h> #include <thrust/device_ptr.h> #include <fstream> #include <stdio.h> #include <stdlib.h> #include <assert.h> #include <iostream> #include <cuda_runtime.h> #include <algorithm> using namespace std; int main(void) { uint64_t number_of_elements = 1024L*1024*1024; uint64_t *h_key_array; ...
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#include "includes.h" __global__ void idwt_per_Y_1(float *d_dst, float *src_A, float *src_D, int rows, int cols, int next_rows, int filt_len, int halo) { extern __shared__ float s_Data[]; //Offset to the upper halo edge const int baseX = blockIdx.x * I_Y_BLOCKDIM_X + threadIdx.x; const int baseY = ((blockIdx.y * I_Y_...
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#include "Sha2.cu" #include "Sha2.cuh" #define SHA256_DIGESTSIZE 32 #define SHA256_BLOCKSIZE 64 #define SALT_SIZE 16 __constant__ int ITERATIONS = 100000; __constant__ unsigned char SHA256_IPAD_CONST = (unsigned char) 0x36; __constant__ unsigned char SHA256_OPAD_CONST = (unsigned char) 0x5C; __constant__ __device__ u...
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#include <stdio.h> #include <assert.h> #include <cuda.h> #include <sys/time.h> #define CUDA_CHECK(cmd) {cudaError_t error = cmd; if(error!=cudaSuccess){printf("<%s>:%i ",__FILE__,__LINE__); printf("[CUDA] Error: %s\n", cudaGetErrorString(error));}} const int blocksize=16; const int N=256; // only works for squared b...
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/* This is a automatically generated test. Do not modify */ #include <stdio.h> #include <stdlib.h> #include <math.h> __global__ void compute(float comp, int var_1,int var_2,int var_3,int var_4,int var_5,int var_6,float var_7,float var_8,float* var_9,float* var_10,float var_11,float var_12,float var_13,float var_14,f...
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#include "includes.h" __global__ void Copy_A_to_B (float * A , float * B , int size){ int id = blockDim.x*blockIdx.y*gridDim.x + blockDim.x*blockIdx.x + threadIdx.x; if (id<size) B[id] = A[id]; }
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#include <cuda.h> #include <cuda_runtime.h> #include <curand.h> #include <curand_kernel.h> #include <iostream> #include <thrust/scan.h> #define NUM_BANKS 16 #define LOG_NUM_BANKS 4 #define CONFLICT_FREE_OFFSET(n) \ ((n) >> NUM_BANKS + (n) >> (2 * LOG_NUM_BANKS)) typedef unsigned long long int size_int; using na...
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// file: memoryCheck.cu __global__ void badMemoryReference(int *A) { A[threadIdx.x] = 0; // line 3 - faulting store } int main() { /* int *invalidPtr = 0x0234; // pointer arbitrarily chosen, // not allocated via cudaMalloc() */ int *invalidPtr = reinterpret_cast<int *>(0x0234); in...
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/*MIT License Copyright (c) 2019 Xavier Martinez Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish,...
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#include "includes.h" __global__ void DrawRgbBackgroundKernel(float *target, int inputWidth, int inputHeight, float r, float g, float b) { int column = threadIdx.x + blockDim.x * blockIdx.z; if (column >= inputWidth) return; int id = inputWidth * ( blockIdx.y * gridDim.x + blockIdx.x) // blockIdx.x == row, blockIdx.y ...
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#include <stdio.h> #include <stdlib.h> #include <math.h> __global__ void testCollatz(long n, long blockSize, long* counterEx) { long lowRange = ceil(n * 1.0 / blockSize) * blockIdx.x; long highRange = ceil(n * 1.0 / blockSize) * (blockIdx.x + 1); long i; for (i = lowRange; i < highRange && i <= n; i++) { long ...
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#include "includes.h" __global__ void TestpermuteWalkers ( const int dim, const int nwl, const int *kr, const float *xxC, float *xxCP ) { int i = threadIdx.x + blockDim.x * blockIdx.x; int j = threadIdx.y + blockDim.y * blockIdx.y; int t = i + j * dim; if ( i < dim && j < nwl ) { xxCP[t] = xxC[t]; } }
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#include <stdio.h> #include <stdlib.h> #include <time.h> #include <cuda_runtime.h> __global__ void vecAdd( float* A, float* B, float* C, int N ) { int i = blockDim.x * blockIdx.x + threadIdx.x; if( i<N ) C[i] = A[i] + B[i]; } int main(void) { srand(time(0)); int N = 1024*1024; size_t sz = ...
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/*------------------------------------------------------------------------------ Copyright © 2015 by Nicola Bombieri H-BF is provided under the terms of The MIT License (MIT): Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Softwar...
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#include "includes.h" __global__ void Matrix_getRow_FloatId_naive(const float * A , int Acount, int Acols, float * out0 , int out0count, int out0cols, const float row_id) { int id = blockDim.x*blockIdx.y*gridDim.x + blockDim.x*blockIdx.x + threadIdx.x; if (id<Acols) { out0[id] = A[id+(int)row_id*Acols]; } }
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#include "includes.h" __global__ void sum_2( float4 *localbuf, float4 *ptrd, int offset_0, int offset_1, int N ) { int idx= blockDim.x * blockIdx.x + threadIdx.x; if( idx < N ) { float4 t1 = ptrd[ offset_0 + idx ]; float4 t2 = ptrd[ offset_1 + idx ]; t1.x += t2.x; t1.y += t2.y; t1.z += t2.z; t1.w += t2.w; localbuf[...
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#ifndef _SHERMANMORRISON_KERNEL_ #define _SHERMANMORRISON_KERNEL_ #endif
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extern "C" { __device__ inline int threadIdx_x() { return threadIdx.x; } __device__ inline int threadIdx_y() { return threadIdx.y; } __device__ inline int threadIdx_z() { return threadIdx.z; } __device__ inline int blockIdx_x() { return blockIdx.x; } __device__ inline int blockIdx_y() { return blockIdx.y; } __device__ ...
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#include "mode.hh" #include <cstdlib> #include <cstring> #include "../cpu/kernels.hh" namespace { ProgramMode compute_mode() { auto mode = getenv("RT_MODE"); if (mode == nullptr) return ProgramMode::MONOTHREAD; else if (!strcmp(mode, "CPU")) return ProgramMode::M...
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#include "includes.h" using namespace std; __global__ void addition(int *a, int *b, int *c) { *c = *a + *b; }
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#include <chrono> #include <iostream> //Kernel definition template<typename T> __global__ void copyKernel (T* out, T* in, const unsigned int N) { const unsigned int id = threadIdx.x + blockIdx.x * blockDim.x; for (unsigned int i= id; i < N; i = i + blockDim.x * gridDim.x) { const unsigned el_id = i; ((T*)...
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//#include <iostream> //#include <assert.h> // //#include "Device.h" //#include "RayTracing.h" //#include "Sphere.h" //#include "cudaTools.h" // //#include <limits> // //using std::cout; //using std::endl; // ///* ========== DECLARATION ========== */ // //extern __global__ void rayTracing(uchar4* ptrDevPixels, uint w, ...
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#include <iostream> #include <string> #include <sstream> #include <fstream> #include <algorithm> #include <chrono> #include <stdio.h> #include <stdlib.h> #include <stdarg.h> #include <cuda.h> #include <unistd.h> //#define _DEBUG_ //#define _TIME_MEASURE_ #ifdef _DEBUG_ #include <string> #include <sstream>...
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#include <stdio.h> #include <stdlib.h> #include <algorithm> #include <cfloat> #include <chrono> #include <fstream> #include <iostream> #include <random> #include <sstream> #include <stdexcept> #include <vector> #include <chrono> #include <time.h> double gpu_time_used; #define I(row, col, ncols) (row * ncols + col) #d...
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#include <stdio.h> #include <curand_kernel.h> extern "C" __device__ int get_max(int x,int y){ if(x>y) return x; return y; } extern "C" __device__ int get_min(int x,int y){ if(x<y) return x; return y; } extern "C" __global__ void multiply_them(float *dest, float *a, float ...
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#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <stdio.h> #include <algorithm> #include <curand.h> #define MAXTHREADS 512u #define checkCudaErrors(ans) { gpuAssert((ans), __FILE__, __LINE__); } using namespace std; inline void gpuAssert(cudaError_t code, const char *file, int line, bool abor...
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#include "pgm.cuh" #include <cstdio> #include <cstdlib> #include <cctype> /* Source for some of the parsing code: http://ugurkoltuk.wordpress.com/2010/03/04/an-extreme-simple-pgm-io-api/ */ void skipFileComments(FILE *fp); float* loadPGM(const char *filename, int *width, int *height) { printf("Loading im...
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#include "includes.h" __global__ void scan(int *v, const int n) { int tIdx = threadIdx.x; int step = 1; while (step < n) { int indiceDroite = tIdx; int indiceGauche = indiceDroite + step; if (indiceGauche < n) { v[indiceDroite] = v[indiceDroite] + v[indiceGauche]; } step = step * 2; __syncthreads(); } }
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#include <cufft.h> #include <stdio.h> #include <stdlib.h> #include <math.h> #include <cuda_runtime.h> #include <cuda.h> #define NUM 1024//4096//256//1024//256//844800 #define NUM2 39//1213//4000000//250000//1212 #define batch 375//206//1//825//16//3300//1 int main(int argc,char *argv[]) { FILE *fp; FILE *file; ...
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#include "includes.h" # define MAX(a, b) ((a) > (b) ? (a) : (b)) # define GAUSSIAN_KERNEL_SIZE 3 # define SOBEL_KERNEL_SIZE 5 # define TILE_WIDTH 32 # define SMEM_SIZE 128 __global__ void computeSum(float *d_filteredImage, float *d_imageSumGrid, unsigned int n) { __shared__ float smem[SMEM_SIZE]; unsigned int tid = t...
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#include "includes.h" // create an image buffer. return host ptr, pass out device pointer through pointer to pointer __global__ void resultant(unsigned char *a, unsigned char *b, unsigned char *c) { int idx = (blockIdx.x * blockDim.x) + threadIdx.x; float opposite_side = float(a[idx]); float adjacent_side = float(...
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#include <string> #include <cstring> #include <cctype> #include <cstdlib> #include <cstdio> #include <iostream> #include <fstream> #include <bitset> #include <cuda_runtime.h> #include <stdio.h> #define DIM 128 #include "csv.hpp" #include "timer.h" using namespace std; extern __shared__ int dsmem[]; int recursiveRed...
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#define NUM_ELEMENTS 512 // CUDA kernel to perform the reduction in parallel on the GPU //! @param g_idata input data in global memory // result is expected in index 0 of g_idata //! @param n input number of elements to scan from input data __global__ void reduction(float *g_data, int n) { ...
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#include <cuda_runtime.h> #include <device_launch_parameters.h> #include <stdio.h> #include <iostream> // Define kernel function. __global__ void gpuAdd(int *device_a, int *device_b, int *device_c) { *device_c = *device_a + *device_b; } int main(int argc, char **argv) { // Define host variables and device pointer...
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#include <stdio.h> #include <sys/time.h> ////////////////////////////////////////////////////// // Simple vector addition in CUDA ////////////////////////////////////////////////////// #define N 1024*1024 //Number of elements in the vector // Definition of the kernel that will be executed by all threads on the GPU _...
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#include <thrust/device_vector.h> #include <thrust/host_vector.h> #include <iostream> #include <vector> template<typename T> thrust::device_vector<T> concatInSingleVector(std::vector<thrust::device_vector<T>> const& vectors) { // calculate final size size_t size = 0; for (auto const& vec : vectors) { ...
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#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <stdio.h> #include <stdlib.h> __global__ void prt_details_wrp() { int gid=blockIdx.y*gridDim.x*blockDim.x+blockIdx.x*blockDim.x+threadIdx.x; int warpid=threadIdx.x/32; int flatbid = blockIdx.y*gridDim.x+blockIdx.x; printf("gid :...
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#include "includes.h" __device__ inline unsigned int RM_Index(unsigned int row, unsigned int col, unsigned int width) { return (row * width + col); } __global__ void BernoulliNBLearnKernel(float *feature_probs, float *class_count_, const float *d_row_sums, unsigned int n_samples_, unsigned int n_classes_, unsigned int ...
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/* Authors - Dibyadarshan Hota 16CO154 - Omkar Prabhu 16CO233 */ #include <iostream> #include <string> #include <sstream> #include <cuda.h> #include<stdio.h> #include <ctime> #include <iomanip> #include <thrust/device_vector.h> #include <thrust/extrema.h> #include <thrust/device_free.h> #define ll long long using na...
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#include "includes.h" __global__ void matrixMultiply(float *A, float *B, float *C, int numARows, int numAColumns, int numBRows, int numBColumns, int numCRows, int numCColumns) { //@@ Insert code to implement matrix multiplication here // Calculate the row index int numRows = blockIdx.y*blockDim.y+threadIdx.y; // Calcul...
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/* ********************************************** * CS314 Principles of Programming Languages * * Spring 2020 * ********************************************** */ #include <stdio.h> #include <stdlib.h> __global__ void strongestNeighborScan_gpu(int * src, int * oldDst, int * newDst, ...
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#include<stdio.h> #include<time.h> #include<time.h> #include<stdlib.h> #include<math.h> __global__ void func1(int *c,int *a,int *b, int n) { int i = blockIdx.x*blockDim.x + threadIdx.x; // printf("i = %d\n", i); if(i < n) { a[i] = 2; b[i] = 3; } } __global__ void func2(int *c,int *a,int *b, int n) { int i = bloc...
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#include "includes.h" __global__ void process_coarseness_ek_pix(double * output_ak, double *output_ekh, double *output_ekv,int colsize, int rowsize,long lenOf_ek) { int y = threadIdx.x + blockIdx.x * blockDim.x; int x = threadIdx.y + blockIdx.y * blockDim.y; double input1,input2; int posx1 = x+lenOf_ek; int posx2 = x-...
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#include "includes.h" __global__ void STREAM_Add(float *a, float *b, float *c, size_t len) { size_t idx = threadIdx.x + blockIdx.x * blockDim.x; while (idx < len) { c[idx] = a[idx]+b[idx]; idx += blockDim.x * gridDim.x; } }
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#include "includes.h" __global__ void reduction(float *g_data, int n) { __shared__ float partialSum[NUM_ELEMENTS]; unsigned int t = threadIdx.x; partialSum[t] = g_data[t]; for (int i = blockDim.x/2; i > 0; i>>=1) { __syncthreads(); if(t<i) { partialSum[t] += partialSum[t + i]; } } if(t==0) { g_data[0] = partialSum[0];...
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#include <stdlib.h> #include <stdio.h> #include <math.h> #include "cdist.cuh" __global__ void sqdistKernel(float* x, float* y, int dim, float* z) { int ix = blockIdx.x * blockDim.x + threadIdx.x; if (ix < dim * dim) { int x_ix = ix / dim; int y_ix = ix - x_ix * dim; float diff = x[x_ix] - y[y_ix]; ...
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#include <chrono> #include <iostream> #include <stdlib.h> #include <unistd.h> static int SLEEP_TIME = 50000; static int GENERATION_STEP = 1; __global__ void singleBlockLifeKernel(uint32_t *cols, int numGenerations) { __shared__ uint8_t grid[1024]; // TODO Should this be uint32_t? int colIdx = threadIdx.x; // ...
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#include <stdio.h> #include <stdlib.h> // these are just for timing measurments #include <time.h> // Computes minimum in a 3D volume, at each output point // To compile it with nvcc execute: nvcc -O2 -o grid3d grid3d.cu //define the window size (cubic volume) and the data set size #define WSIZE 6 #define DATAXSIZE 100 ...
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//// //// Created by Chen on 11/8/2020. //// #include <cufft.h> #include <cstdio> #include "common.cuh" #define PI 3.14159265358979324f __global__ void waveSliceTransmitKernel(cufftComplex *wave, cufftReal const *slice, unsigned nPix, float waveLength, float relativityGamma, ...
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#include "definitions.cuh" //Performs CFD calculation on global memory. This code does not use any advance optimization technique on GPU // But still acheives many fold performance gain __global__ void calculateCFD_V1( float* input, float* output, unsigned int Ni, unsigned int Nj, float h) { unsigned int...
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#include <cuda_runtime.h> #include <cstdio> #include <iostream> /** * @property 图像饱和度降低 * @func 将图像转换为几种HSL图像 * @param_out out_image 转换后的图像 * @param_in in_image 待转换图像 * @param_in pixel_amount 像素点个数 * @param_in type 亮度类型 * @par...
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/****************************************************************************** LICENSE Copyright (c) 2015 Codeplay Software Ltd. Copyright (c) 2006-2008 Kevin Beason (kevin.beason@gmail.com) Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation fil...
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#include <stdio.h> #include <ctime> #include <stdlib.h> #include <unistd.h> #include <string.h> #include <dirent.h> #include <fcntl.h> #include <sys/stat.h> #include <sys/types.h> #include <vector> #include <iostream> #include <fstream> #include <climits> using namespace std; bool scan_dir(const char* dir, vector<stri...
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#include <stdio.h> #define MAX_BUF 100000000 typedef unsigned int UINT; UINT buffer[MAX_BUF]; // 核函数统一使用该命名,参数列表可自定义 __global__ void kernel() { } UINT ReadFile(const char *szFile, UINT data[]) { UINT len; FILE *fp; fp = fopen(szFile, "rb"); fread(&len, sizeof(UINT), 1, fp); if (len > MAX_BUF) { fclose(fp);...
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#include <cmath> __global__ void myexp(float* value) { value[threadIdx.x] = std::exp(value[threadIdx.x]); }
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#include "includes.h" __device__ void get_conflict_col_id(bool *dl_matrix, short *deleted_cols, int *conflict_col_id, int *conflict_edge, int total_dl_matrix_col_num, int vertex_num) { // if(threadIdx.x==0){ // printf("conflict edge a %d edge b // %d\n",conflict_edge[0],conflict_edge[1]); // } bool *edge_a_dlmatrix =...
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__global__ void matching(int *keypoints ,const unsigned char *in, int *allProbablities, int *allIndexList, int *matchingResult , int width, int height, int lenght, int fernNum, int fernSize, int patchLenght){ int index = blockIdx.x * blockDim.x + threadIdx.x; int patchSize =(int)(patchLenght /2); int x ...
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#include "includes.h" // Jim Samson // CSF441 Computer Architecture // Assignment 4 // Most code is written by Dr. Mock // This HW Assignment uses cuda and the Sobel filter to convert an image. /*********************************************************************** * sobel-cpu.cu * * Implements a Sobel filter on the ...
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#include <stdio.h> int main(int argc, char **argv) { int nDevices; cudaDeviceProp prop; cudaGetDeviceProperties(&prop, 0); printf("Device name: %s\n", prop.name); printf("Capabilities: %d.%d\n", prop.major, prop.minor); printf("Global mem: %lu\n", prop.totalGlobalMem / 1024 / 1024 / 1024); ...
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#include "includes.h" __device__ void softmax_device(int n, float *input, float temp, float *output) { int i; float sum = 0; float largest = -INFINITY; for (i = 0; i < n; ++i) { int val = input[i]; largest = (val>largest) ? val : largest; } for (i = 0; i < n; ++i) { float e = expf(input[i] / temp - largest / temp); sum...
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/* CUDA kernels and functions Kurt Kaminski 2016 */ #ifndef __FLUID_KERNELS__ #define __FLUID_KERNELS__ #include <cuda_runtime.h> //__device__ const int BLOCK_SIZE = 8; //__device__ const int GRID_SIZE = 64; __device__ int clamp(int i) { if (i < 0) i = 0; if (i > 255) i = 255; return i; } __device__ float cl...
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#include <iostream> #include <stdexcept> #include <stdint.h> #include <cuda_runtime.h> #include <cuda_fp16.h> // Not very optimized, but it's just for the test/example __global__ void half2float_kernel(half* input, size_t input_pitch, uint16_t width, uint16_t height, ...
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#include "includes.h" __global__ void softmax_gradient_kernel( const int dim, const float* Y, const float* dY, float* dX) { Y += blockIdx.x * dim; dY += blockIdx.x * dim; dX += blockIdx.x * dim; const int idx = threadIdx.x; __shared__ float reduction_buffer[SOFTMAX_NUM_THREADS]; float tmp; // A two-level reduction to ...
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#include "includes.h" __global__ void kCumsum(float *mat, float *target, float *temp, unsigned int height) { // extern __shared__ float temp[];// allocated on invocation const int thid = threadIdx.x; if (2*thid < height) { const int super_offset = blockIdx.x * height; target += super_offset; mat += super_offset; temp...
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#include <stdio.h> #include <stdlib.h> __global__ void hello_kernel(void) { //int i = threadIdx.x; int i = blockIdx.x * blockDim.x + threadIdx.x; int b = blockIdx.x; printf("Hello from block : %d, threadId : %d\n", b, i); } int main() { hello_kernel<<< 4, 16>>>(); //printf from device are not automatica...
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__global__ void cost_value(double * * result, double * * Il, double * * Ir, double Tc, double Tg, double Tb) { }
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#include <stdio.h> __global__ void hello_kernel() { printf("hello world from cuda thread %d\n", int(threadIdx.x)); } int main(void) { hello_kernel<<<1, 32>>>(); //cudaDeviceSynchronize(); cudaError_t cudaerr = cudaDeviceSynchronize(); if (cudaerr != cudaSuccess) printf("kernel launch faile...
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//~ #include <half.hpp> __device__ void Vec_add(float *x, float *y , float* z, float gaaa[], int n) { /* blockDim.x = threads_per_block */ /* First block gets first threads_per_block components. */ /* Second block gets next threads_per_block components, etc. */ int i = blockD...
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/* example to show how to use stream and async method to make the data transfer and kernel function executed concurrently. */ #include <iostream> using namespace std; static void HandleError( cudaError_t err,const char *file, int line ) { if (err != cudaSuccess) { cout << cudaGetErrorString(err) << file <...
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#include "includes.h" __global__ void diffKernel( float *in, float *out, int n ) { // Wrtie the kernel to implement the diff operation on an array int id = (blockDim.x * blockIdx.x) + threadIdx.x; if(id < n-1) out[id] = in[id+1] - in[id]; }
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#include <stdio.h> #include <cuda_runtime.h> #include <device_launch_parameters.h> int main() { int device_count = 0; cudaGetDeviceCount(&device_count); printf("gpu count: %d\n", device_count); cudaDeviceProp device_prop; for (int i = 0; i < device_count; i++) { cudaGetDeviceProperties(&device_prop, i); ...
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#include <stdio.h> #include <stdlib.h> #include <time.h> #include <cuda.h> __global__ void getmaxcu(unsigned int num[], unsigned int size, unsigned int gap) { unsigned int i=gap, //loop variables start = (threadIdx.x)*gap; if(start%2!=0 || size<=...
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#include "includes.h" const int Nthreads = 1024, maxFR = 5000, NrankMax = 6; ////////////////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////...
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# include <bits/stdc++.h> # include <cuda.h> #define TILE_WIDTH 32 //(TITLE_WIDTH = BLOCKSIZE) using namespace std; // ::::::::::::::::::::::::::::::::::::::::::GPU:::::::::::::::::::::::::::::::: __global__ void KernelNormalMul(float *Mat1,float *Mat2,float *Mat3,int m,int n,int p){ int j = threadIdx.y + blockDim...
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#include <algorithm> #include <iostream> #include <cassert> #include <cmath> #include <chrono> using namespace std; #define TIMER_SET(t0) std::chrono::time_point<std::chrono::steady_clock> t0 = std::chrono::steady_clock::now() #define TIMER_DIFF(t0, t1) std::chrono::duration_cast<std::chrono::microseconds> (t1 - t0)....
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#include <cuda_runtime.h> __global__ void computeForcesKernel(int N, const double3 *p, double3 *f) { int idx = blockIdx.x * blockDim.x + threadIdx.x; if (idx >= N) return; double3 ftot{0.0, 0.0, 0.0}; for (int i = 0; i < N; ++i) { double dx = p[i].x - p[idx].x; double dy = p[i]...
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#include <stdio.h> #include <iostream> #include <math.h> #include "cuda.h" #include <time.h> #define BLOCK_DIM 16 __global__ void computeDistance(float* A, int wA, int pA, float* B, int wB, int pB, int dim, float* AB) { // Declaration of the shared memory arrays As and Bs used to store the sub-matrix of A and B...
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/* * * test.c * tim.burgess@noaa.gov * * A place for trying out various code */ #include <stdlib.h> #include <stdio.h> #include <ctype.h> #include <cuda.h> #define NPIXELS 100 static char daytab[2][13] = { {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}, {0, 31, 29, 31, 30, 31, 30, 31, 31, 30, ...
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // Copyright 2021 Brian Hamilton // // ...
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#include <stdio.h> #include <time.h> #include <cuda.h> // kernel __global__ void antialiasingDevice(int *mat, int a, int b,int *res) { int sum = 0; int neig = 0; int j = blockIdx.x*blockDim.x + threadIdx.x; int i = blockIdx.y*blockDim.y + threadIdx.y; if((i < a) && (j < b)){ for (int dx = -1; dx ...
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#include "includes.h" __global__ void sub3(float *val1, float *val2, int *num_elem) { int i = threadIdx.x; val1[i] += val2[i]+1; }
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#include "includes.h" __global__ void binarySearch( const int limit, const int databaseSize, const long* databaseArray, const long* inputArray, int* outputArray) { const int bIdx = gridDim.x * blockIdx.y + blockIdx.x; const int tIdx = blockDim.x * bIdx + threadIdx.x; if(tIdx < limit) { const long input = inputArray[tI...
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#include <stdio.h> #include <cuda.h> #include <cuda_runtime_api.h> #define SIZE 1024 #define THREADS 1024 #define BLOCKS SIZE / THREADS #define CHECK double a[SIZE][SIZE]; double b[SIZE][SIZE]; double c[SIZE]; __global__ void sum_matrix_lines(double *matrix, double *vec) { int y = (blockIdx.y * BLOCKS) + threa...
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/* * Do not change this file */ #include <iostream> #include <fstream> #include <cassert> #include <cstring> #include <string> #include <chrono> #include <cstdlib> #include <ctime> #define MAX_LENGTH 4096 /** * Read file, save edges to array (x_x) and * record the size of each type of edge array (x_x_count). */...
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#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <stdio.h> __global__ void add(int *a, int *b,int *c) { *c = *a + *b; } int main() { int a, b, c; // host copies of a, b, c int *d_a, *d_b, *d_c; // device copies of a, b, c int size =sizeof(int);// Allocate space for device copies of...
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#include <stdio.h> #define Width 32 #define TILE_WIDTH 16 __global__ void MatrixMulKernel(float *Md, float *Nd, float *Pd, int ncols){ int row = blockIdx.y * blockDim.y + threadIdx.y; int col = blockIdx.x * blockDim.x + threadIdx.x; float PValue = 0; //PValue is used to store element of the output MatrixMulKerne...
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#include <stdio.h> #include <stdlib.h> #include <time.h> #include <inttypes.h> #include <cuda.h> #include <cuda_runtime.h> #define BLOCK_WIDTH 32 #define TAILLE 2048 #define gettime(t) clock_gettime(CLOCK_MONOTONIC_RAW, t) #define get_sub_seconde(t) (1e-9*(double)t.tv_nsec) /** return time in second */ double get_ela...
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/* ********************************************** * CS314 Principles of Programming Languages * * Fall 2020 * ********************************************** */ #include <stdio.h> #include <stdlib.h> __global__ void check_handshaking_gpu(int * strongNeighbor, int * matches, int nu...
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// includes #include <stdio.h> #include <stdlib.h> //-------------Funcion llenar "velocidad" void llenarVelocidad(float * pmat, int row, int colum){ FILE *fichero; int node=row*colum; int i,j; int nvel=9; float leer; fichero = fopen("matriz_con_func_dist.txt","r"); if (fichero==NULL) { prin...
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#include <stdlib.h> #include <stdio.h> #include <math.h> #include "constants.cuh" #include "mesh.cuh" #include "matrix_functions.cuh" #include "material.cuh" #include "sys.cuh" void compute_xphys(struct sparse *h ,double *hs, double*x, double *xphys, struct mesh *mesh) { double *x_lin, *xphys_tmp; x_lin = (do...
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#include "includes.h" __global__ void add( float *x, float *y, float *z, float *deltaX, float *deltaY, float *deltaZ ) { int tid = blockIdx.x; // this thread handles the data at its thread id if (tid < N) x[tid] = x[tid] + deltaX[tid]; if (tid < N) y[tid] = y[tid] + deltaY[tid]; if (tid<N) z[tid] = z[tid] + deltaZ[t...
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#include "includes.h" extern "C" { } #define TB 256 #define EPS 1e-4 __device__ bool InverseMat4x4(double m_in[4][4], double inv_out[4][4]) { double m[16], inv[16]; for (int i = 0; i < 4; i++) { for (int j = 0; j < 4; j++) { m[i * 4 + j] = m_in[i][j]; } } inv[0] = m[5] * m[10] * m[15] - m[5] * m[11] * m[14] - m[...
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#include <math.h> #include <float.h> #include <cuda.h> #define BLOCK_SIZE 256 __global__ void gpu_Reduce (float *s, int N, int skip) { __shared__ float sdata[BLOCK_SIZE]; int i = (blockIdx.x * blockDim.x + threadIdx.x) * skip; sdata[threadIdx.x] = i < N? s[i] : 0.0; __syncthreads(); // Do reduction in shared mem...
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#include <stdio.h> #include <stdlib.h> #include <math.h> #include <time.h> #include <cuda.h> unsigned int getmax(unsigned int *, unsigned int); //my function to get the max number in the array using Nvdia parallel reduction techniques. __global__ void getmaxcu(unsigned int* numbersDevice, unsigned int size, unsigned...
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#include <cstdio> #define N 64 #define TPB 16 __device__ float scale(int i, int n) { return ((float) i)/(n - 1); } __device__ float distance(float x1, float x2) { return sqrt( (x2 - x1)*(x2 - x1) ); } __global__ void distanceKernel(float *d_out, float ref, int len) { const int i = blockIdx.x*blockDim.x +...
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#include<stdio.h> #include<cuda.h> __global__ void kernel( void ) { } int main( void ) { kernel<<<1,1>>>(); printf( "Hello, World!" ); return 0; }
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#include <cuda.h> #include <cuda_runtime.h> #include <fstream> #include <iostream> #include "cuda_kernel.cuh" __global__ void raw2gray_kernal(int width, int height, unsigned char *gpu_bayer, unsigned char *gpu_gray) { int index_x = blockIdx.x * blockDim.x + threadIdx.x; int index_y ...