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__global__ void CuKnlSetField( double xCells, double yCells, double* energy0, double* energy1) { const int gid = threadIdx.x+blockIdx.x*blockDim.x; energy1[gid] = energy0[gid]; }
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#include "probe.cuh" Probe::Probe(ProbeConfig cfg) : chan_indices_(cfg.n_active()), site_labels(cfg.n_active()), chan_grps(cfg.n_active()), x_coords(cfg.n_active()), y_coords(cfg.n_active()), is_active_(cfg.n_total), site_dists(cfg.n_active()) { n_total_ = cfg.n_total; if (n...
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#include "includes.h" __global__ void cudaComputeSignature(double* hyperplanes, double* v, int* dimensions, bool* sig, long* hyperp_length) { long tid = threadIdx.x + blockDim.x * blockIdx.x; if (tid < *hyperp_length) { int d_dimensions = *dimensions; long pos = tid * d_dimensions; double sum = 0.0; for (int i = 0; i...
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#include "stdio.h" // printf() is only supported // for devices of compute capability 2.0 and higher #if defined(__CUDA_ARCH__) && (__CUDA_ARCH__ < 200) #define printf(f, ...) ((void)(f, __VA_ARGS__),0) #endif __global__ void helloCUDA(float f) { printf("Hello thread %d, f=%f\n", threadIdx.x, f); } int main(...
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#include <cuda.h> #include <cuda_runtime.h> #include <stdio.h> #define N 1000000 __global__ void gpuAdd(int *d_a, int *d_b, int *d_c){ //总线程id = 当前块线程id.x + 块id*块维度x int tid = threadIdx.x + blockIdx.x * blockDim.x; while (tid < N) { d_c[tid] = d_a[tid] + d_b[tid];// 加法 tid += blockDim.x * gridDim.x; // 一次执...
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#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <climits> #include <fstream> #include <iostream> #include <string> #include <vector> #include <chrono> #define gpuErrchk(ans) { gpuAssert((ans), __FILE__, __LINE__); } inline void gpuAssert(cudaError_t code, const char *file, int line, bool abor...
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#include <stdio.h> __global__ void add(int a, int b, int *c){ *c = a + b; } int main(){ int c; int *dev_c; cudaMalloc( (void**) &dev_c, sizeof(int) ); add<<<1, 1>>> (2, 7, dev_c); cudaMemcpy(&c, dev_c, sizeof(int), cudaMemcpyDeviceToHost); printf("2 + 7 ...
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#include <cuda_runtime.h> #include <device_launch_parameters.h> #include <stdio.h> // __global__ indicates a function or "kernel" that runs on the device and is called from host code __global__ void hello_kernel(void) { // greet from the device : the GPU and its memory printf("Hello, world from the device!\n...
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#include <stdlib.h> #include <stdio.h> #include <time.h> /* Every thread gets exactly one value in the unsorted array. */ #define THREADS 128 // 2^7 #define BLOCKS 1024 // 2^10 #define NUM_VALS THREADS*BLOCKS #define MAX_VALUE 8196 void print_elapsed(clock_t start, clock_t stop) { double elapsed = ((double) (stop -...
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#include <iostream> using std::endl; __global__ void sum_kernel(double *A, double *B, double *C, int N) { int idx = blockIdx.x * blockDim.x + threadIdx.x; if (idx >= N) { return; } double a = A[idx]; double b = B[idx]; C[idx] = a + b; } int main(int argc, char **argv) { // Size of vectors ...
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/** * 3mm.cu: This file is part of the PolyBench/GPU 1.0 test suite. * * * Contact: Scott Grauer-Gray <sgrauerg@gmail.com> * Louis-Noel Pouchet <pouchet@cse.ohio-state.edu> * Web address: http://www.cse.ohio-state.edu/~pouchet/software/polybench/GPU */ #include <stdio.h> #include <stdlib.h> #include <math.h> #i...
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#include <cuda_runtime.h> #include <device_launch_parameters.h> #include <cuda.h> #include <device_functions.h> #include <cuda_runtime_api.h> #include<iostream> #define imin(a,b) (a<b?a:b) #define sum_squares(x) (x*(x+1)*(2*x+1)/6) const int N = 33 * 1024; const int threadsPerBlock = 256; const int blocksPerGrid = i...
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// RUN: %run_test hipify "%s" "%t" %hipify_args %clang_args "-Xclang" "-fcuda-allow-variadic-functions" /* Copyright (c) 2015-present Advanced Micro Devices, Inc. All rights reserved. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "...
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/* * Copyright (c) Meta Platforms, Inc. and affiliates. * All rights reserved. * * This source code is licensed under the BSD-style license found in the * LICENSE file in the root directory of this source tree. */ #include <cuda.h> __global__ void _slowKernel(char* ptr, int sz) { int idx = blockIdx.x * blockD...
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#include "math.h" __constant__ int sobelV[] = {1, 0, -1, 2, 0, -2, 1, 0, -1}; __constant__ int sobelH[] = {1, 2, 1, 0, 0, 0, -1, -2, -1}; extern "C" __global__ void grayEdgeDetection(int * output, int width, int thresh) { int idx = blockIdx.x * blockDim.x + threadIdx.x; int idy = blockIdx.y * blockDim.y + threadI...
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#include<stdio.h> #include<stdlib.h> #include<time.h> float random_number(int min, int max){ /* * Function: random_number * ----------------------- * return a random number between min and max as a float */ float num = rand() % (max + 1 - min) + min; ret...
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/* * ising_cuda_v1.cu * * Created on: Dec 26, 2019 * Author: Charalampos Eleftheriadis */ #include <stdio.h> #include <stdlib.h> #include <time.h> #define N 512 #define threadsNum 64 #define gpuErrchk(ans) { gpuAssert((ans), __FILE__, __LINE__); } inline void gpuAssert(cudaError_t code, const char *file, ...
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#include "includes.h" __device__ void generate2DGaussian(double * output, double sigma, int sz, bool normalize) { /*x and y coordinates of thread in kernel. The gaussian filters are *small enough for the kernel to fit into a single thread block of sz*sz*/ const int colIdx = threadIdx.x; const int rowIdx = threadIdx.y;...
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#include <algorithm> #include <cassert> #include <cstdlib> #include <functional> #include <iostream> #include <vector> #include <chrono> using namespace std; constexpr int M = 1 << 3 ; //M =8 constexpr int N = 1 << 3; constexpr int K = 1 << 3; constexpr int THREADS = 1 << 2; constexpr int M_padded = M + TH...
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#include <cuda.h> #include <stdlib.h> #include <stdio.h> #include <cuda_profiler_api.h> #include <tuple> #include <iostream> #include <string.h> double time_host = 0; double time_device = 0; int sample_rounds = 10; void meanFilter_host(unsigned char* image_matrix,unsigned char* filtered_image_data,int image_width, i...
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// pi2.cu /* * A simple CUDA-enabled program that approximates \pi using monte-carlo * sampling. This version generates random numbers on-the-fly within each * kernel. */ #include <iostream> #include <curand.h> #include <curand_kernel.h> #include <stdlib.h> #include <unistd.h> #include <stdbool.h> using namespace ...
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#include <iostream> #include <cuda.h> #define DATA_TYPE float #define NX 1024*8 // A = NX * NY #define NY 1024*32 // B = NY * NZ #define NZ 1024 #define GPU_DEVICE 0 using namespace std; __global__ void MatMul(DATA_TYPE* A, DATA_TYPE* B, DATA_TYPE* Out){ int idx = blockIdx.x * blockDim.x + threadIdx.x; int idy = b...
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//This is a matrix multiplication program in CUDA without any optimizations //like tiling, using shared memory etc #include<stdio.h> #include<stdlib.h> #include<cuda_runtime.h> #include<assert.h> __global__ void MatrixMulKernel(float* Md, float* Nd, float* Pd, int width) { //2D thread ID int bx=blockIdx.x; int ...
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#define TILE_DIM 32 template<typename T> __device__ void vectorDotVector(const T* A, const T* B, T* result, const int length) { __shared__ T a_tile[TILE_DIM]; __shared__ T b_tile[TILE_DIM]; __shared__ T result_tile[TILE_DIM]; for (int i = 0; i < TILE_DIM; i++) { result_tile[i] = 0; } int tx = threadI...
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#include <stdio.h> #include <cuda.h> int *a, *b; // host data int *c, *c2; // results //Cuda error checking - non mandatory void cudaCheckError() { cudaError_t e=cudaGetLastError(); if(e!=cudaSuccess) { printf("Cuda failure %s:%d: '%s'\n",__FILE__,__LINE__,cudaGetErrorString(e)); exit(0); } } //GPU kernel...
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#include <algorithm> #include <fstream> #include <iostream> #include <sstream> #include <vector> #define THREADS 64 // Error check----- #define gpuErrchk(ans) \ { gpuAssert((ans), __FILE__, __LINE__); } inline void gpuAssert(cudaError_t code, const char *file, i...
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#include "includes.h" /* Vector addition with a single thread for each addition */ /* Vector addition with thread mapping and thread accessing its neighbor parallely */ //slower than simpler /* Matrix Matrix multiplication with a single thread for each row */ /* Matrix Matrix multiplication with a single thread...
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#include <stdlib.h> #include <stdio.h> #include <iostream> #include <fstream> #include <string> #include <cmath> #define N 1024 #define BLOCK_SIZE 16 typedef struct { float *elements; int width; int height; } Matrix; void cpu_gj(Matrix A, float *x, ...
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/* * EyLeftUpdater.cpp * * Created on: 01 февр. 2016 г. * Author: aleksandr */ #include "EyLeftUpdater.h" #include "SmartIndex.h" /* * indx должен пренадлежать участку от [0, sizeY-1] */ __device__ void EyLeftUpdater::operator() (const int indx) { int n = indx; Ey(0, n) = coeff[0]*(Ey(2, n) + EyLeft(0,...
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/* Histogram generation on the GPU. Host-side code. Author: Naga Kandasamy Date modified: 3/11/2017 */ // includes, system #include <stdlib.h> #include <stdio.h> #include <sys/time.h> #include <string.h> #include <math.h> #include <float.h> #define THREAD_BLOCK_SIZE 256 #define NUM_BLOCKS 60 // Define the size o...
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#include "includes.h" __global__ void unaccumulatedPartSizesKernel(int size, int *accumulatedSize, int *sizes) { int idx = blockIdx.x * blockDim.x + threadIdx.x; if(idx == 0) sizes[idx] = accumulatedSize[0]; else if(idx < size) { sizes[idx] = accumulatedSize[idx] - accumulatedSize[idx - 1]; } }
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#include <stdio.h> #include <sys/time.h> __global__ void log1p(double p, double q, double * y) { y[0] = q + log1p(exp(p - q)); } __global__ void log_1p(double p, double q, double * y) { y[0] = q + log(1 + exp(p - q)); } int main(void) { double a, b; double * y; cudaMallocManaged(&y, sizeof(*y)); y[0] = ...
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/* This is the function you need to implement. Quick reference: - input rows: 0 <= y < ny - input columns: 0 <= x < nx - element at row y and column x is stored in data[x + y*nx] - correlation between rows i and row j has to be stored in result[i + j*ny] - only parts with 0 <= j <= i < ny need to be filled */ #include ...
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#include<stdio.h> #include<cuda.h> # define M 1000 # define N 1000 __global__ void mult( int * a, int * b, int * c) { unsigned int i= blockDim.x *blockIdx.x + threadIdx.x; unsigned int j= blockDim.y *blockIdx.y + threadIdx.y; int sum=0; if(i<M && j<N) { for(int k=0;k<N;k++) { sum+=(a[i*N+k]* b[k*N+j]); ...
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#include "includes.h" /* #define N 512 #define N 2048 #define THREADS_PER_BLOCK 512 */ const int THREADS_PER_BLOCK = 32; const int N = 2048; __global__ void dotProd( int *a, int *b, int *c ) { __shared__ int temp[N]; temp[threadIdx.x] = a[threadIdx.x] * b[threadIdx.x]; __syncthreads(); // Evita condición de carr...
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__global__ void convolution2D(float *A,float *B,const int numRows,const int numCols) { int i = blockDim.x*blockIdx.x + threadIdx.x; int j = blockDim.y*blockIdx.y + threadIdx.y; if (i<numRows && j<numRows) { float pos1=0,pos2=0,pos3=0,pos4=0,pos5=0,pos6=0,pos7=0,pos8=0; if((i-1)>=0 &...
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/* Write GPU code to perform the step(s) involved in counting sort. Add additional kernels and device functions as needed. */ __global__ void counting_sort_kernel(int *input_array, int *sorted_array, int *histogram, int *scan, int num_elements, int range) { extern __shared__ int temp[]; int threadID = block...
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#include "includes.h" __global__ void BoxReciprocalGPU(double *gpu_prefact, double *gpu_sumRnew, double *gpu_sumInew, double *gpu_energyRecip, int imageSize) { int threadID = blockIdx.x * blockDim.x + threadIdx.x; if(threadID >= imageSize) return; gpu_energyRecip[threadID] = ((gpu_sumRnew[threadID] * gpu_sumRnew[threa...
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#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <cuda.h> #include <stdio.h> #include <device_functions.h> //#include "device_launch_parameters.h" #include <cuda_runtime_api.h> #include <iostream> #include <cstdlib> #include <fstream> #include <string> #include <cmath> #include <time.h> usi...
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#include <iostream> #include <math.h> #include<cuda_profiler_api.h> //function to add the elements of two arrays __global__ void add(int n, float *x, float *y) { for (int i = 0; i < n; i++) y[i] = x[i] + y[i]; } int main(void) { //cudaProfilerStart(); int N = 1<<20; //1M elements //int N = 100; //100 elements ...
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// // Created by Peter Rigole on 2019-04-17. // #include "NeuronProperties.cuh" NeuronProperties::NeuronProperties() : long_time_lambda(0.5), medium_time_lambda(0.5) {} // Copy constructor NeuronProperties::NeuronProperties(const NeuronProperties &neuronProperties) : lo...
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/* * BackpropagationCUDA.cu * * Created on: Jan 30, 2012 * Author: wchan */ /** * This file is needed because nvcc doesn't support C++0x yet... we can merge it back in later when nvcc adds support for the C++11 standard */ #include <thrust/device_ptr.h> #include <thrust/transform.h> void mult(double* x,...
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#include "includes.h" __global__ void copy_sort_int( const float *orig, const unsigned int *sort_idx, const unsigned int nitems, float *sorted ) { for( int i = 0; i < nitems; ++ i ) { sorted[sort_idx[i]] = orig[i]; } }
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#include "includes.h" __global__ void LeftRightBound2D(double *Hs, double *Ztopo, double *K2e, double *K2w, int BC2D, int M, int N) { int tid = threadIdx.x + blockIdx.x * blockDim.x; while (tid < M) { // no-flow BCs if (BC2D == 0) { Hs[tid*N] = Hs[tid*N+1]; Hs[(tid+1)*N-1] = Hs[(tid+1)*N-2]; } else { // Critical de...
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#include "includes.h" __global__ void imgGray(unsigned char * d_image, unsigned char* d_imagegray, int width, int height){ int row = blockIdx.y*blockDim.y+threadIdx.y; int col = blockIdx.x*blockDim.x+threadIdx.x; if ((width > col) && (height > row)){ d_imagegray[row*width+col]=d_image[(row*width+col)*3+2]*0.299+d_ima...
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#include <iostream> #include "../include/lglist.h" #include <thrust/device_vector.h> #define def_dvec(t) thrust::device_vector<t> #define to_ptr(x) thrust::raw_pointer_cast(&x[0]) using namespace std; const int MAX_LENGTH = 170; __device__ void printList(gpu_linearized_stl::list<float, MAX_LENGTH> &l){ if(l.empty...
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#include <stdio.h> #include <stdlib.h> #define MAXPOINTS 1000000 #define MAXSTEPS 1000000 #define MINPOINTS 20 #define PI 3.14159265 const int kThreadsPerBlock = 256; int nsteps, // Number of time steps tpoints; // Total points along string float values[MAXPOINTS + 2]; // Values at time t void check_p...
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#include "includes.h" __global__ void bcnn_backward_upsample_cuda_kernel(size_t dst_sz, float *src, int w, int h, int c, int n, int size, float *dst) { size_t i = (blockIdx.x + blockIdx.y * gridDim.x) * blockDim.x + threadIdx.x; if (i >= dst_sz) { return; } int dst_idx = i; int dst_w = i % (w * size); i = i / (w * size...
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/* * reduce an array of 1's by the sum */ #include <stdio.h> #include <stdlib.h> void nonCudaReduce(float* out, float *in, int size); void startClock(char*); void stopClock(char*); void printClock(char*); int main(int argc, char** argv) { if (argc < 2) { printf("Usage: %s #-of-floats\n",argv[0]); exit(1); }...
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#include "includes.h" __global__ void repack_input_kernel(float *input, float *re_packed_input, int w, int h, int c) { int index = blockIdx.x*blockDim.x + threadIdx.x; const int items_per_channel = w * h; int c_pack = index % 32; int chan_index = index / 32; int chan = (chan_index * 32) % c; int i = (chan_index * 32)...
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#include<stdio.h> void cpu() { printf("cpu\n"); } __global__ void gpu() { printf("gpu\n"); } int main() { cpu(); gpu<<<1,1>>>(); cudaDeviceSynchronize(); }
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#include "includes.h" __global__ void reduceSmemDyn(int *g_idata, int *g_odata, unsigned int n) { extern __shared__ int smem[]; // set thread ID unsigned int tid = threadIdx.x; int *idata = g_idata + blockIdx.x * blockDim.x; // set to smem by each threads smem[tid] = idata[tid]; __syncthreads(); // in-place reductio...
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#include<stdio.h> #include<iostream> #include<fstream> #include<cuda.h> #include<time.h> #include<sys/time.h> #define IMAGE_LENGTH 2000 #define KERNEL_LENGTH 5 #define MAX_NUMBER 12 #define NumOfBlocks IMAGE_LENGTH/16 #define NumOfThreads 16 using namespace std; ofstream fs("convolucion.txt"); void print_Matrix(int*...
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#include "includes.h" __global__ void ReturnFloat( float *sum, float *out, const float *pIn ) { out[threadIdx.x] = atomicAdd( &out[threadIdx.x], pIn[threadIdx.x] ); }
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// https://devblogs.nvidia.com/even-easier-introduction-cuda // https://devblogs.nvidia.com/unified-memory-cuda-beginners #include <iostream> #include <math.h> // cuda kernel __global__ void add(size_t num_elements, const float* x, float* result) { size_t index = blockIdx.x * blockDim.x + threadIdx.x; size_t str...
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__global__ void reduction_sum(float *A,int num_elements){ int i = blockIdx.x*blockDim.x + threadIdx.x; if(i<num_elements){ for(int stride = 1;stride<num_elements;stride*=2){ __syncthreads(); if(i%(2*stride) == 0){ float temp = 0; if(i+st...
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#include <cuda.h> #include <iostream> using namespace std; /** * C = A + B (one element per thread) */ __global__ void addMatricesElt(float* C, const float* A, const float* B, int dim) { int col = blockIdx.x * blockDim.x + threadIdx.x; int row = blockIdx.y * blockDim.y + threadIdx.y; if(col < dim && row < dim...
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extern "C" __global__ void shift(float2* arr, int resx, int resy, int resz, int size) { int i = blockDim.x * blockIdx.x + threadIdx.x; int idx = resx / 2; int idy = resy / 2; int idz = resz / 2; float2 tmp; if (i / resy / resz < idx) { if (i / resz % resy < idy) { i...
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#include "includes.h" __global__ void breadth_first_search_csr_gpu(unsigned int* cum_row_indexes, unsigned int* column_indexes, int* matrix_data, unsigned int* in_infections, unsigned int* out_infections, unsigned int rows) { unsigned int row = blockDim.x * blockIdx.x + threadIdx.x; if (row < rows) { if (in_infections...
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#include "includes.h" __global__ void ForwardLinear(float *A, float *W, float *b, int nRowsW, int nColsW, int nColsA, float *Z) { int row = blockIdx.y * blockDim.y + threadIdx.y; int col = blockIdx.x * blockDim.x + threadIdx.x; float ZValue = 0; if (row < nRowsW && col < nColsA) { for (int i = 0; i < nColsW; i++) { Z...
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#include <stdio.h> #include <stdlib.h> #include <stdbool.h> #include <unistd.h> #include <math.h> #include <time.h> // Maximum value of the matrix element #define MAX 100 #define MAX_ITER 100 #define TOL 0.000001 // Generate a random float number with the maximum value of max float rand_float(int max) { return ...
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//nvcc -ptx EM5.cu -ccbin "F:Visual Studio\VC\Tools\MSVC\14.12.25827\bin\Hostx64\x64" __device__ void EM1( double *r, double *z, double * ar0, double * br0, double * az0, double * bz0, const int...
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/************************************************************************ C-DAC Tech Workshop : hyPACK-2013 October 15-18, 2013 Example : multiple-cuda-streams.cu Objective : Objective is to demonstrate multiple streams for addition of two...
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#include <stdio.h> int main() { int nDevices; cudaGetDeviceCount(&nDevices); for (int i = 0; i < nDevices; i++) { cudaDeviceProp prop; cudaGetDeviceProperties(&prop, i); printf("Device Number: %d\n", i); printf(" Device name: %s\n", prop.name); printf(" Memory Clock Rate (KHz): %d\n", ...
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#include <stdio.h> #include <math.h> #include <cuda_runtime_api.h> #include <time.h> #include <errno.h> /****************************************************************************** * This program takes an initial estimate of m and c and finds the associated * rms error. It is then as a base to generate and eval...
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#include <iostream> #include <math.h> #include <vector> #include <string> #include <algorithm> #include <random> #include <chrono> #include <stdio.h> #define NB_THREADS 1024 #define NB_NUMBERS 200 #define NB_EXPERIMENTS 100 void print_vector(int* array, int k) { for(size_t i=0; i < k; i++) { printf("%d ", arra...
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#include <stdio.h> #include <stdlib.h> // For the CUDA runtime routines (prefixed with "cuda_") #include <cuda_runtime.h> #include <sys/time.h> #include <cooperative_groups.h> //#include <helper_cuda.h> #define N_INPUTS 32 #define N_ARITH 74 __global__ void ac(float *A, const int *B, const int *C, const int *op_sel,...
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// includes, system #include <stdio.h> #include <assert.h> #include <stdlib.h> __global__ void notDivergent(int n) //The threads should perform the same work as //in divergent(), but the threads within a warp //should not diverge { } __global__ void divergent(int n) //The threads should perform the same work as ...
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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 relat...
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// This example introduces CUDA's heterogeneous model of memory // by demonstrating the difference between the "host" and "device" // memory spaces. // #include stdlib.h for malloc/free #include <stdlib.h> // #include stdio.h for printf #include <stdio.h> // nvcc automatically #includes headers needed for cudaMalloc...
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//合并 访存 #include<stdio.h> #include<math.h> #include<time.h> #include <stdlib.h> int Max=16384; int width=32; typedef struct { double A1; double A2; double A3; double A4; }stru; __global__ void multi(stru *A,stru *b,double *C,const int Max){ int idx = blockIdx.x * blockDim.x + threadIdx.x; int...
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#include<math.h> #include<time.h> #include<stdexcept> #include<iostream> #include<cstdlib> //for abs(x) #include<stdio.h> using namespace std; __global__ void kernel_multiplication( int* A, int* B, int* C,int N,int M); int main() { int NUMBER_OF_ELEMENTS; int VECTOR_SIZE; cout<<"Enter the vector size:"; cin>...
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#include <cuda.h> #include <time.h> #include <stdlib.h> #include <stdio.h> #define STOP 0 #define START 1 /* Play with the following two values */ #define NB 1000000L //Size of array (long integer) #define MANY 200L //Number of transfers /* (over-)Simple chronometer function */ void chrono (int kind, float *time) ...
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#include "includes.h" __global__ void _segmentedScanBackKer(float *maxdist, int *maxdistidx, int *label, float *blockmaxdist, int *blocklabel, int *blockmaxdistidx, int numelements) { // 声明共享内存。用来存放中间结果小数组中的元素,也就是输入的原数组的每块最 // 后一个元素。共包含三个信息。 __shared__ float shdcurmaxdist[1]; __shared__ int shdcurlabel[1]; __shared__ i...
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#include "includes.h" __global__ void TemporalConvolutionTBC_bp_bias( float* matrix, float* target, int rows, int stride, float scale) { int i = blockIdx.x * 32 + threadIdx.x; float t = 0; for (int j = blockIdx.y; j < rows; j += gridDim.y) t += matrix[j * stride + i]; atomicAdd(&target[i], t * scale); }
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#include <complex> #include <iostream> #include <cstdio> #include <cstdlib> #include <cmath> #include <cuComplex.h> // Kernel Definitions /****************************************************************************** * Function: CUDAisInMandelbrotSet * * Authors: Elliott Rarden & Katie Macmillan * * Description...
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#include <cuda.h> #include <stdio.h> #include <stdlib.h> #define BLOCK_SIZE 32 #define GROUP_OF_PIXELS 1 __global__ void mandelKernel(float upperX, float upperY, float lowerX, float lowerY, int* img, int resX, int resY, int maxIterations) { int row = blockIdx.y * blockDim.y + threadIdx.y; int col = (blockIdx.x...
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#include "plane.cuh" #include <stdio.h> __host__ __device__ Plane3::Plane3() { a = Vec3(); b = Vec3(); c = Vec3(); } __host__ __device__ Plane3::Plane3(Vec3 a, Vec3 b, Vec3 c) { this->a = a; this->b = b; this->c = c; } __host__ __device__ float determinant(Vec3 a, Vec3 b, Vec3 c) { retur...
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#include "cuda_runtime.h" #include <stdio.h> #include <time.h> //#define SIZE 1000 using namespace std; __global__ void Convolution1(int *a,int *filter,int *result,int size_a,int size_filter,int size_result) { int i=blockIdx.x; int j=blockIdx.y; if(i<size_result||j<size_result) { ...
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#include <stdio.h> template <unsigned int blockSize> __device__ void warpReduce(volatile int* sdata, int tid) { if (blockSize >= 64) sdata[tid] += sdata[tid + 32]; if (blockSize >= 32) sdata[tid] += sdata[tid + 16]; if (blockSize >= 16) sdata[tid] += sdata[tid + 8]; if (blockSize >= 8) sdata[ti...
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/**** File: findRedsDriver.cu By: Ilya Nemtsov Compile: nvcc findRedsDriver.cu -o frgpu Run: ./frgpu ****/ #include <stdio.h> #include <math.h> #include <stdlib.h> #include <cuda.h> #define NUMPARTICLES 32768 #define NEIG...
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#include <cuda.h> #include <stdio.h> __global__ void K1() { unsigned num = 0; unsigned id = blockIdx.x * blockDim.x + threadIdx.x; for (unsigned ii = 0; ii < id; ++ii) num += ii; printf("K1: %d\n", threadIdx.x); } __global__ void K2() { unsigned num = 0; unsigned id = blockIdx.x * blockDim.x + threadIdx.x; fo...
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#include <stdio.h> #include <cuda.h> #include <cuda_runtime.h> //#include <cutil_inline.h> extern "C" void runCudaPart(float a[], float b[], float c[], int n); __global__ void myKernel(float *a, float *b, float *c, int n) { int idx = blockIdx.x*blockDim.x + threadIdx.x; //return; if (idx < n) { ...
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#include "includes.h" float * g_outputs_d, *g_sweepers_d_2; __global__ void update_positions(float max_speed, float * outputs_d, float * sweepers_d) { int my_index = blockIdx.x * blockDim.x + threadIdx.x; sweepers_d[my_index] += (2 * outputs_d[my_index] * max_speed) - max_speed; }
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//============================================================================================= // Name : thread3dStl.cu // Author : Jose Refojo // Version : // Creation date : 26-02-2014 // Copyright : Copyright belongs to Trinity Centre for High Performance Computing // Description : This prog...
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#include <stdio.h> #include <cuda.h> int main() { // get the range of stream priorities for this device int priority_high, priority_low; cudaDeviceGetStreamPriorityRange(&priority_low, &priority_high); // create streams with highest and lowest available priorities cudaStream_t st_high, st_low; cudaStreamCreateWithPrio...
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extern __device__ __constant__ int constNumber[4];
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#define TILE_DIM 128 //template<typename T> //__device__ void sumColumns(const T* matrix, T* result, // const int rows, const int cols) { // // __shared__ T tile[TILE_DIM][TILE_DIM]; // // int by = blockIdx.y; // int ty = threadIdx.y; // int row = by * blockDim.y + ty; // T sum = 0; // /...
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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,float var_3,int var_4,int var_5,float 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...
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#include <stdio.h> #include <stdlib.h> #include <sys/time.h> #include <assert.h> #ifndef THREADS_PER_BLOCK #define THREADS_PER_BLOCK 1024 #endif #define CUDA_ERROR_CHECK #define CudaSafeCall( err ) __cudaSafeCall( err, __FILE__, __LINE__ ) #define CudaCheckError() __cudaCheckError( __FILE__, __LINE__ ) inline voi...
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#include "includes.h" __global__ void copy_kernel_frombuf(char *dest, char *src, int rx_s, int rx_e, int ry_s, int ry_e, int rz_s, int rz_e, int x_step, int y_step, int z_step, int size_x, int size_y, int size_z, int buf_strides_x, int buf_strides_y, int buf_strides_z, int type_size, int dim, int OPS_soa) { int idx_z ...
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#include<stdio.h> __global__ void kernel (float *out) { // shared memory // the size is determined by the host application extern __shared__ float sdata[]; // access thread id const unsigned int tid = threadIdx.x; // access number of threads in this block const unsigned int num_threads ...
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#include <stdio.h> #include <stdlib.h> #include <string.h> #include <time.h> #include <zlib.h> int hNumberOfReads = 0; // holds number of reads that are processed int hReadsWritten = 0; // number of reads written to output file char input_filename[400]="/home/linux/cuda-workspace/Prep...
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/* ============================================================================ Name : review_chp4_2.cu Author : freshield Version : Copyright : Your copyright notice Description : CUDA compute reciprocals ============================================================================ */ #include...
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#include "includes.h" __global__ void empty_kernel() { }
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#include<stdio.h> #include<stdlib.h> #include "cuda.h" __global__ void addVectors(int N, double *a, double *b, double *c) { int thread = threadIdx.x; int block = blockIdx.x; int blockSize = blockDim.x; int id = block*blockSize + thread; __shared__ double s_a[32]; __shared__ double s_b[32]; __shared__ ...
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#define N 16 #include<stdio.h> #include<stdlib.h> __global__ void add(int *a, int *b, int *c){ c[blockIdx.x] = a[blockIdx.x] + b[blockIdx.x]; printf("%d blockIdx=%d\n", c[blockIdx.x], blockIdx.x); } void random_ints(int *array, int size){ int i; for(i = 0; i < size; i++) array[i] = rand() % 10; } int main(...
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#include "includes.h" __global__ void cudaAcc_GPS_kernel_mod3( int NumDataPoints, float2* FreqData, float* PowerSpectrum) { const int sidx = (blockIdx.x * blockDim.x + threadIdx.x); float ax,ay; if ( sidx < NumDataPoints ) { ax = FreqData[sidx].x; ay = FreqData[sidx].y; PowerSpectrum[sidx] = __fadd_rn( __fmul_rn(ax,...
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#include "includes.h" __device__ unsigned char value( float n1, float n2, int hue ) { if (hue > 360) hue -= 360; else if (hue < 0) hue += 360; if (hue < 60) return (unsigned char)(255 * (n1 + (n2-n1)*hue/60)); if (hue < 180) return (unsigned char)(255 * n2); if (hue < 240) return (unsigned char)(255 * (n1 + (n2...
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#include "3d-test.cuh" #include<iostream> #include<stdio.h> __host__ __device__ void scalingFunction(int array[]) { for(int i=0; i<8; i++) { array[i] = array[i] * 2.0; } } __host__ __device__ void distributeFunction(pencilComputation& p1,int x,int y){ for(int z=0; z<8; z++) { ...