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#include <assert.h> #include <pthread.h> #include <stdio.h> #define THREADS 4 int intervalsT = 100000000; double store, base; double partialStore[] = {0.0, 0.0, 0.0, 0.0}; void* threadRoutine(void* param) { int i; int* threadId = (int*)param; int partialInterval = intervalsT / THREADS; double height;...
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#include <cuda.h> #include <cmath> #include <cstdio> #include <iostream> #include <chrono> /*1-20*/ #define BLOCK_WIDTH 2 #define BLOCK_SIZE 4 using namespace std; /* //BlockTranspose __global__ void BlockTranspose(float *A_elements, int A_width, int A_height) { __shared__ float blockA[BLOCK_WIDTH][BLOCK_WIDTH]; i...
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#include "includes.h" __global__ void add(int N, double *a,double *b) { int tid = blockIdx.x*blockDim.x + threadIdx.x; if(tid < N) { b[tid] = a[tid]*a[tid]; } }
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#include <stdio.h> // indica que é uma funo que vai rodar no device __global__ void hello() { printf("Oi mundo! De thread: %d De: bloco %d\n", threadIdx.x, blockIdx.x); } int main(void) { int num_threads = 5; int num_blocks = 5; //chama a funo e especfica blocos e threads hello<<<num_blocks,num_threads>>>(); /...
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#include<stdio.h> #include<cuda_runtime.h> #include<device_launch_parameters.h> __global__ void add(float *a,float *b){ int id = blockIdx.x*blockDim.x+threadIdx.x; b[id] = sinf(a[id]); } int main(){ int n; float a[10],b[10]; printf("Enter n:"); scanf("%d",&n); printf("Enter A:\n"); for(int i=0;i<n...
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#include <iostream> #include <assert.h> #include <limits.h> #include <vector> #include <curand.h> #include <curand_kernel.h> #include <algorithm> using namespace std; // #define RNG_DEF int& rx // #define RNG_ARGS rx // #define MY_RAND_MAX ((1U << 31) - 1) // Command line arguments that get set below (these give defaul...
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#include <stdio.h> #include <stdlib.h> #define KNZ_LEN 20 #define DIM_COUNT 3 #define DIM_SIZE 10000 #define FACT_SIZE 250000 // Datenstruktur typedef struct _dim { long id; char knz[KNZ_LEN]; } DimTable; typedef struct _factIn { char knz[DIM_COUNT][KNZ_LEN]; } FactTableIn; typedef struct _factOut { ...
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#include "includes.h" #define INTERVALS 1000000 // Max number of threads per block #define THREADS 512 #define BLOCKS 64 double calculatePiCPU(); // Synchronous error checking call. Enable with nvcc -DDEBUG __global__ static void sumReduce(int *n, float *g_sum) { int tx = threadIdx.x; __shared__ float s_sum[THREAD...
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/************************************************************************************\ * * * Copyright � 2014 Advanced Micro Devices, Inc. * * Copyright (c) 2015 Mark D. Hill and David A. Wood ...
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#include <assert.h> #include <cuda.h> #include <getopt.h> #include <stdio.h> #include <stdlib.h> #include <time.h> static char* program_name; // Just defination __global__ void Jacobi(int** a, const int** b, const int N) { int i = blockIdx.x * blockDim.x + threadIdx.x; int j = blockIdx.y * blockDim.y + threadIdx....
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#include <cuda.h> #define THRESHOLD 10010000 __device__ void bubbleSort(int *pixelsToSort, int length){ for(int i = 0; i < length; i++ ) { for(int j = 0; j < length-1; j++) { if( pixelsToSort[j] > pixelsToSort[j+1]){ int tmp = pixelsToSort[j]; pixels...
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#include "includes.h" __global__ void MarkCentroidsKernel( float *centroidCoordinates, float *visField, int imgWidth, int imgHeight, int centroids ) { int threadId = blockDim.x*blockIdx.y*gridDim.x //rows preceeding current row in grid + blockDim.x*blockIdx.x //blocks preceeding current block + threadIdx.x; if(threa...
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//This is a generated CUDA code #include<stdio.h> #include<stdlib.h> #include<time.h> //f_alu = 1 //f_mad =8 //f_sfu =6 //d_alu =8 //d_mad =6 //b_alu =5 __constant__ float kconst[115] = { 2640.27049419,496.788317279,755.85277182,4070.19741521,6510.34703498,2039.14289025,3704.61925152,7755.66914948, 1861.26002473,1253....
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#include<iostream> #include<fstream> #include<string> #include<cmath> #include<assert.h> #include<stdio.h> #include<cuda.h> #include<sys/time.h> //using namespace std; double getSeconds() { struct timeval tp; gettimeofday(&tp, NULL); return ((double)tp.tv_sec + (double)tp.tv_usec * 1e-6); } typedef double real; s...
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#include "MarkovChain.cuh" /** * Characters (26) * Start of word (1) * End of word (1) */ #define CHARACTERS 27 #define BUFFERSIZE 20 #define START 'S' #define ENDINDEX 0 int getCharacterIndex(char character) { switch (character) { //The start character case START: return CHARACTERS; //The end c...
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#include <thrust/device_vector.h> #include <thrust/host_vector.h> #include <iostream> int main() { thrust::host_vector<double> host(5, 0); host[4] = 35; /* na linha abaixo os dados são copiados para GPU */ thrust::device_vector<double> dev(host); /* a linha abaixo só muda o vetor na CPU...
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#include<stdio.h> #include<cuda.h> #include<iostream> #include<fstream> #include<chrono> using namespace std; __global__ void serialReduction(int *d_array, int numberOfElements) { int sum = 0; for(int i=0;i<numberOfElements;i++) { sum = sum + d_array[i]; } printf("%d",sum); } void seri...
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#include <cstdlib> #include <cstdio> #include <ctime> #include <chrono> __global__ void cuda_vecAdd(float *v1, float *v2, float *v3, int offset) { int i = offset + blockIdx.x * blockDim.x + threadIdx.x; v3[i] = v1[i] + v2[i]; } int main(void) { typedef std::chrono::high_resolution_clock Clock; typedef std::chrono...
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#include <stdio.h> /** * CPU version of our CUDA Hello World! */ void cpu_helloworld() { printf("Hello from the CPU!\n"); } /** * GPU version of our CUDA Hello World! */ __global__ void gpu_helloworld() { int threadId = threadIdx.x; printf("Hello from the GPU! My threadId is %d\n", threadId); } int ...
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#include <iostream> #include <cstdlib> #include <vector> __global__ void vectorAdd(int* a, int* b, int* c, int n) { int tid = blockIdx.x * blockDim.x + threadIdx.x; /* printf("tid: %d\n", tid); */ if(tid < n) c[tid] = a[tid] + b[tid]; } int main() { int n = 1 << 20; // Host array /* std::vector<int...
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/** * Demo code of Cuda programming lecture * * This programme illustrates how warp divergence may influence the performance of CUDA programme * * */ #include <cstdio> #include <cstdlib> #include <sys/time.h> #define HALF_BLOCK_SIZE 512 #define BLOCK_SIZE 1024 #define LOOP_NUM 1024 //Kernel1 (has warp divergen...
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#include <iostream> #include <cmath> #include <cstdio> #include <sys/time.h> using namespace std; #define CUDA_SAFE_CALL( err ) (safe_call(err, __LINE__)) #define BLOCK_SIZE 32 #define ERROR 1.0e-9 typedef unsigned long long int LONG; void safe_call(cudaError_t ret, int line) { if(ret!=cudaSuccess) { cout << "E...
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__global__ void fillOneIntegerArrayKernel( int numberRows, int numberEntries, int* array, int constant) { int index = blockIdx.x * numberEntries + blockIdx.y * numberRows + threadIdx.x; array[index] = constant; }
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/* // Cython function from 'thinc' library class NumpyOps(Ops): def mean_pool(self, float[:, ::1] X, int[::1] lengths): cdef int B = lengths.shape[0] cdef int O = X.shape[1] cdef int T = X.shape[0] cdef Pool mem = Pool() means = <float*>mem.alloc(B * O, sizeof(float)) ...
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//#include <thrust/host_vector.h> //#include <thrust/device_vector.h> #include <iostream> #include "diffraction.cuh" #include <cuda.h> #include <cuda_runtime.h> #include <stdio.h> #include <math_constants.h> //#define THREADS_PER_BLOCK 200 /* double cuda_func(double ang) { // H has storage for 4 integers thrust:...
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#include <cuda.h> #include <cuda_runtime.h> int get_cuda_error_code() { return (int) cudaGetLastError(); }
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#include <iostream> #include <sys/time.h> #include <stdlib.h> #include <stdio.h> #include <cuda.h> #define t1 4096 #define t2 4096 #define N 1 #define ITERATIONS 10 #define BLOCK_SIZE 32 using namespace std; float A[N * N], B[N * N], C[N * N], C_cmp[N * N]; __global__ void split(float *C11, float *C12, float *C21, flo...
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#include <stdlib.h> #include <stdio.h> __global__ void run(void) { int cid = threadIdx.x; int val = 0; while(val<(cid+10)){ // do some "work" so the loop can't be compiled away val++; if(val == cid){ val = 0; } } } int main(int argc, char** argv) { for(;;){ run<<<1024,1024>>>(); cudaError_t err = ...
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#include <fstream> #include <stdlib.h> #include <stdio.h> #include <string.h> #include <sys/time.h> // Feature maps dimensionality descriptions and assumptions: // : Height : Width : Channels : Number : // INPUT / A | H | W | C | ...
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#include "includes.h" __global__ void blurKernel(uchar3 *in, uchar3 *out, int w, int h) { int Col = blockIdx.x*blockDim.x + threadIdx.x; int Row = blockIdx.y*blockDim.y + threadIdx.y; if(Col<w && Row<h) { int pixVal1 = 0; // int pixVal2 = 0; // int pixVal3 = 0; int pixels1 = 0; // int pixels2 = 0; // int pixels3 = 0; ...
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typedef long long LL; __device__ int cuda_field_modulus; __device__ int inverse(int a, int p){ return a == 1 ? 1 : ((LL)(a-inverse(p%a, a))*p+1)/a; } __device__ void cuda_field_init(int m){ cuda_field_modulus = m; } struct cuda_field_element { __device__ cuda_field_element(){} __device__ cuda_field_elemen...
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#include "assert.h" #include "real.h" #include <iostream> #include "gpuerrchk.cuh" #include "math.h" #define MAX_MASK_WIDTH 10 #define TILE_SIZE 1000 __device__ __constant__ float d_M[1000]; __global__ void share_conv_kernel(real* A, real* P, int mask_width, int width){ __shared__ real A_s[TILE_SIZE]; A_s[threadId...
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__global__ void update_e( int Nz, int Nyz, int Nyzm, float *Ex, float *Ey, float *Ez, float *Hx, float *Hy, float *Hz, float *CEx, float *CEy, float *CEz ) { int idx = blockIdx.x*blockDim.x + threadIdx.x; int fidx = idx + idx/(Nz-1) + idx/Nyzm*Nz + Nyz + Nz + 1; Ex[fidx] += CEx[fidx]*( Hz[fidx+Nz] - Hz[fidx] - Hy...
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#include <stdio.h> #include <stdlib.h> #include <math.h> #include <cuda_runtime.h> #ifndef __CUDACC__ #define __CUDACC__ #endif #include "device_launch_parameters.h" #include <cuda.h> #include <device_functions.h> #include <cuda_runtime_api.h> // Matrices are stored in row-major order: // M(row, col) = *(M.elements...
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/* This code implements the serial solution and CUDA version for finding the maximal burst in a time series; How to compile: nvcc compare.cu How to run: ./a.out n k //n is the length of the time series and k is the minimum lenght of a subsequence Results to see: The burst found b...
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#include "includes.h" __global__ void Find3DMinMax(int *d_Result, float *d_Data1, float *d_Data2, float *d_Data3, int width, int pitch, int height) { // Data cache __shared__ float data1[3*(MINMAX_W + 2)]; __shared__ float data2[3*(MINMAX_W + 2)]; __shared__ float data3[3*(MINMAX_W + 2)]; __shared__ float ymin1[(MINMAX...
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#include "includes.h" __global__ void kMartixSubstractMatrix(const int nThreads, const float *m1, const float *m2, float *output) { /* Computes the (elementwise) difference between two arrays Inputs: m1: array m2: array output: array,the results of the computation are to be stored here */ for (int i = blockIdx.x * bl...
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#include "includes.h" __global__ void ComputePhiMag_GPU(float* phiR, float* phiI, float* phiMag, int numK) { int indexK = blockIdx.x*KERNEL_PHI_MAG_THREADS_PER_BLOCK + threadIdx.x; if (indexK < numK) { float real = phiR[indexK]; float imag = phiI[indexK]; phiMag[indexK] = real*real + imag*imag; } }
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/* * cSumSquares.cu * * Copyright 2021 mike <mike@fedora33> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. ...
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#include <iostream> #include <math.h> #include <ctime> #include <cmath> #include <stdlib.h> #include <fstream> #include <sstream> #define PI 3.14159265358979323846 __device__ double density(double Xold, double Xnew, double sigma, double r, double delta, double delta_t){ double f=0, x=0; //x=(1/(sigma*sqrt(delta_t))...
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#include "GOL_runner.cuh" #include <stdio.h> #define threadWidth 16 #define threadHeight 16 __device__ int horizCheck(bool* board, int width, int height, int x, int y) { int horizIndex, vertIndex, realIndex, countH; vertIndex = (y); countH = 0; if ((x) + 1 == (width)) { horizIndex = 0; } else { horizIndex = (x...
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/** This example is based on the article titled "CUDA Pro Tip: Occupancy API Simplifies Launch Configuration". More info on https://devblogs.nvidia.com/parallelforall/cuda-pro-tip-occupancy-api-simplifies-launch-configuration/ */ #include "stdio.h" __global__ void VectorMultiplicationKernel(int *array, int arra...
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#include "includes.h" __global__ void vecAdd(float * in1, float * in2, float * out, int len) { //@@ Insert code to implement vector addition here int idx = threadIdx.x + blockDim.x * blockIdx.x; if (idx < len) { out[idx ] = in1[idx] + in2[idx]; } }
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#include <iostream> const long int IMAGE_SIZE = 8192; const int BLOCK_SIZE = 32; const float alpha = 2.f; const float beta = 2.f; __global__ void sgemmNaive(float* A, float* B, float* C, int N) { int row = blockIdx.y * blockDim.y + threadIdx.y; int col = blockIdx.x * blockDim.x + threadIdx.x; float val ...
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//#include <helper_cuda.h> #include "project_kernel.cuh" #include <stdio.h> __constant__ float K[3][3]; __constant__ float Kinv[3][3]; __constant__ float eps2; __constant__ int npoints; __device__ float image[480*640]; __global__ void project_kernel(float *d_x, float *d_y, float *d_z, float *d_nx, ...
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#include "includes.h" /* * SpaceTime Simulator * Curso Deep Learning y Cuda - 2020 * Autor: Oscar Noel Amaya Garcia * email: dbanshee@gmail.com */ #define RUN_MODE_SIM 0 #define RUN_MODE_BENCH 1 #define SP_FILENAME "sp.json" #define SP_FILENAME_BUFF1 "sp_0.json" #define S...
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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 c...
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#include<bits/stdc++.h> using namespace std; #define BLOCK_SIZE 16 __global__ void matrix_multiplication(int *dev_a, int *dev_b, int *dev_c, int n){ __shared__ int tile_a[BLOCK_SIZE][BLOCK_SIZE]; __shared__ int tile_b[BLOCK_SIZE][BLOCK_SIZE]; int row = blockIdx.y*BLOCK_SIZE + threadIdx.y; int col = ...
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// Sorting reference, Odd-Even Algorithm using CUDA __global__ void odd_even_sort_gpu_kernel_gmem(int * const data, const int num_elem) { const int tid = (blockIdx.x * blockDim.x) + threadIdx.x; int tid_idx; int offset = 0; // Start off with even, then odd int num_swaps; // Calculation maximum index for a give...
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// only kernel, not fully executable #define RADIUS 7 #define BLOCK_SIZE 512 __global__ void stencil(int *in, int *out) { __shared__ int temp[BLOCK_SIZE + 2 * RADIUS]; int gindex = threadIdx.x + blockIdx.x * blockDim.x; int lindex = threadIdx.x + RADIUS; // Read input elements into shared memory ...
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#include "includes.h" __global__ void reduce(float* d_out, float* d_in) { // Parallel summation: steps = O(log(N)), work = O(N * log(N)) extern __shared__ float sdata[]; int globId = blockDim.x * blockIdx.x + threadIdx.x; int tid = threadIdx.x; sdata[tid] = d_in[globId]; __syncthreads(); int s = blockDim.x >> 1; whi...
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#include <stdio.h> #include <time.h> #define PI 3.1415926535897932384 #define mu0 4*PI*1e-7 //Threads per block is capped at 1024 for hardware reasons //In some cases using a smaller number of threads per block will be more efficient #define threadsPerBlock 1024 //Max grid points is to defined in order to allocate sha...
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#include <stdio.h> #include <cuda.h> void test(int* C, int length); /***********************/ /* TODO, write KERNEL */ /***********************/ __global__ void VecAdd(int* A, int* B, int* C, int N) { int id = blockIdx.x*blockDim.x+threadIdx.x; if(id<N){ C[id] = A[id]+B[id]; } } int main(int arg...
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#include <cstdio> #include <cmath> #define BLOCKDIM 1024 // device kernel def __global__ void Action_noImage_center_GPU(double *D_,double *maskCenter,double *SolventMols_,double maxD, int Nmols , int NAtoms, int active_size); __global__ void Action_noImage_no_center_GPU(double *D_,double *SolventMols_,double *Solute...
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#include <cuda.h> __device__ void lock(int *mutex) { while (atomicCAS(mutex, 0, 1)); } __device__ void unlock(int *mutex) { atomicExch(mutex, 0); } __device__ long getThreadID() { int blockId = blockIdx.x + blockIdx.y * gridDim.x + gridDim.x * gridDim.y * blockIdx.z; int threadId = blockId...
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#include "includes.h" __global__ void absolute_deriviative_upd_kernel( float4 * __restrict input_errors, const float4 * __restrict output_errors, const float4 * __restrict input_neurons, bool add_update_to_destination, int elem_count) { int elem_id = blockDim.x * (blockIdx.y * gridDim.x + blockIdx.x) + threadIdx.x; if ...
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#include <cuda.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <limits.h> #include <math.h> #include <float.h> #include <iostream> #include <vector> #include <unordered_map> #include <string> #include <algorithm> /***all macros**/ #define E_INIT 5 // in joules #define E_ELEC 50e-...
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#include<iostream> using namespace std; __global__ void add(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 sum=0; for(int i=0;i<n;i++) { sum=sum+a[row*n+i]*b[i*n+col]; } c[row*n+col]=sum; } int main() { cout<<"Enter size of mat...
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#include <stdio.h> #include <cuda.h> #include <iostream> #include <cooperative_groups.h> #define TYPE int using namespace cooperative_groups; __global__ void my_kernel(int* a){ int tid = blockDim.x * blockIdx.x + threadIdx.x; a[tid]=0; } int main(int argc, char **argv){ int dev = 1; int numBlocksPerSm = 0; int...
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// filename: gax.cu // a simple CUDA kernel to add two vectors extern "C" // ensure function name to be exactly "gax" { __global__ void gax(const int lengthC, const double *a, const double *b, double *c) { int i = threadIdx.x + blockIdx.x * blockDim.x; if (i<lengthC) { c[i] = a[0]*b[i]; //...
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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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#define MAX_BLOCKS 65535 #define MAX_THREADS 512 #include <iostream> using namespace std; /* __global__ void harmonic_sum_kernel(float *d_idata,int gulp_index, int size, int stretch_factor) { //float* d_idata_float = (float*)d_idata; int Index = blockIdx.x * blockDim.x + threadIdx.x; if(Index<size/stretch_f...
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#include <thrust/device_vector.h> #include <thrust/count.h> #include <thrust/copy.h> struct is_odd { __host__ __device__ bool operator()(int x) { return (x%2) == 1; } }; int main(void) { thrust::device_vector<int> data(8); data[0] = 6; data[1] = 3; data[2] = 7; data[3] = 5; ...
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// Checks that cuda compilation does the right thing when passed // -fcuda-flush-denormals-to-zero. This should be translated to // -fdenormal-fp-math-f32=preserve-sign // RUN: %clang -no-canonical-prefixes -### -target x86_64-linux-gnu -c -march=haswell --cuda-gpu-arch=sm_20 -fcuda-flush-denormals-to-zero -nocudainc ...
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/* * a simple test of the scan kernel. */ #include <stdio.h> #include <stdlib.h> __global__ void cudaScan(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 size-of-array\n",argv[0]); exi...
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#include "includes.h" __global__ void cuConvert8uC3To32fC4Kernel(const unsigned char *src, size_t src_pitch, float4* dst, size_t dst_stride, float mul_constant, float add_constant, int width, int height) { const int x = blockIdx.x*blockDim.x + threadIdx.x; const int y = blockIdx.y*blockDim.y + threadIdx.y; int src_c = ...
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// // Created by daniel on 10/23/20. // #include "brdf.cuh"
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#include <stdio.h> #include <stdlib.h> #include <cuda.h> #include <cuda_runtime.h> struct Lock { int *mutex; Lock( void ) { int state = 0; cudaMalloc( (void**)& mutex, sizeof(int) ); cudaMemcpy( mutex, &state, sizeof(int), cudaMemcpyHostToDevice ); } ~Lock( void ) { cudaFree( mutex ); } ...
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// MIT License // // Copyright (c) 2019 Miikka Väisälä // // 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, mo...
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// Based on: https://gist.github.com/1392067 #include <cuda.h> #include <stdio.h> #define NBLOCKS 4 #define NTHREADS 4 #define N (NTHREADS * NBLOCKS) #define NBYTES (N * sizeof(unsigned)) #define SWAP(a, b) { unsigned tmp = (a); (a) = (b); (b) = tmp; } __global__ void bitonic_sort_step(unsigned* values, unsigned j...
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/* Ye Wang CPEG655 lab2 problem 1.b */ #include <stdio.h> #include <assert.h> #include <cuda_runtime.h> #include <sys/time.h> __global__ void matrixMul_1b(int BLOCK_SIZE, float *C, float *A, float *B, int N); void mm(float * C, float * A, float * B, int N); float GetRand(int seed); void randomInit(float *data, in...
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#include "includes.h" extern "C" __global__ void wavee(int* tab, unsigned int rowSize, unsigned int centerX, unsigned int centerY, float A, float lambda, float time, float fi, unsigned int N) { int index = threadIdx.x + blockDim.x * blockIdx.x; int w = int(index/rowSize); int h = index%rowSize; if ( w*rowSize+h < N ...
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// setup variables for calculation __shared__ unsigned int iBAM; #define ASK 1 #define MID 2 #define BID 3 #define TOLX 4 __device__ struct { int vol[200]; int errmap[200]; } optout; __global__ void myfunc(void) { int tid = threadIdx.x; // going through each type, ASK, MID, and BID for (unsigned int ii...
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#include "includes.h" __global__ void InvertValuesKernel(float *input, float* outputs, int size) { int id = blockDim.x * blockIdx.y * gridDim.x + blockDim.x*blockIdx.x + threadIdx.x; if(id < size) { outputs[id] = 1.00f - input[id]; } }
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#include <iostream> #include <cmath> #include <stdio.h> #include <string.h> __device__ __constant__ float D_H[ 3*3 ]; __device__ float norm(float val, int length) { float mean = length/2; float std = length/2; return (val-mean)/std; } __device__ float unorm(float val, int length) { float mean = lengt...
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#include <stdio.h> #include <assert.h> #define N 2048 * 2048 // Number of elements in each vector inline cudaError_t checkCuda(cudaError_t result) { if (result != cudaSuccess) { printf("Error: %s\n", cudaGetErrorString(result)); assert(result == cudaSuccess); } return result; } // Initial...
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#include <stdio.h> #define START 32 #define END 126 #define NBR 68 __global__ void histo_kernel(unsigned char *buffer,long size, unsigned int *histo){ int dt = 32; int i = threadIdx.x + blockIdx.x *blockDim.x; int stride = blockDim.x *gridDim.x; while(i<size){ /* if (buffer[i] >= 32 && buffer[i] < 97) ...
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#include <stdio.h> __global__ void square(float *d_out,float *d_in) { int idx = threadIdx.x; float f = d_in[idx]; d_out[idx] = f * f *f; } int main(int argc, char **argv) { const int ARRAY_SIZE = 96; const int ARRAY_BYTES = ARRAY_SIZE * sizeof(float); float h_in[ARRAY_SIZE]; for(int i = 0; i < ARRAY_SIZ...
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#include <iostream> #include <fstream> #include <string> #include <stdio.h> #include <math.h> #include <vector> #include <time.h> using namespace std; __global__ void tryy(float *d_engrec,float *d_xrec,float *d_yrec, float *d_xx, float *d_yy, float *d_engg, float *d_inx, int blocks){ int is,il; int count2; int...
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#include <stdio.h> __global__ void helloFromGPU() { const auto a = threadIdx.x; printf("Hello World From GPU thread %d!\n", a); } int main() { printf("Hello World From CPU1!\n"); helloFromGPU<<<1, 100>>>(); printf("Hello World From CPU2!\n"); cudaDeviceReset(); // cudaDeviceSynchronize(); ...
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#include <cuda.h> #include <cuda_runtime_api.h> #include <stdio.h> #include <stdlib.h> extern "C" void max_stride(float* src, float*dst, int stride, int src_ldx, int dst_ldx, int step, int size,int batch_size,int num_stride, int *mask); int main() { int i; float *x; float *x_gpu; int *mask; int *m...
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// From Appendix B.15 of the CUDA-C Programming Guide. #include <assert.h> #include <cuda.h> // assert() is only supported // for devices of compute capability 2.0 and higher #if defined(__CUDA_ARCH__) && (__CUDA_ARCH__ < 200) #undef assert #define assert(arg) #endif __global__ void testAssert(void) { int is_o...
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#include "includes.h" /* Modified from https://github.com/zhxfl/CUDA-CNN */ __global__ void elementwiseMul(float *x, float *y, float *z, int rows, int cols) { int j = blockIdx.x * blockDim.x + threadIdx.x; int i = blockIdx.y * blockDim.y + threadIdx.y; if (j >= cols || i >= rows) return; z[i * cols + j] = x[i * col...
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// runSim2.cu #include <stdio.h> #include <stdlib.h> #include <cuda.h> #include <cuda_runtime.h> #include <math.h> #include <thrust/reduce.h> #include <thrust/execution_policy.h> #include <assert.h> // Executes the A1 operator optimized /// @brief Executes the A1 step of the algorithm. Updates the positions of the p...
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#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <stdio.h> #include <stdlib.h> #include <time.h> #include <math.h> #define TILE_WIDTH 16 //M and N number of threads (grid and block) void secuential(const int a[] ,const int b[], unsigned long int c[], const int sqrt_dim); __global__ voi...
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#include <stdio.h> const int N = 20; const int MAX_WORD_SIZE = 1024; __global__ void hello(char *a, char *b, int *c, int size, int msize) { int i = 0; for(i = 0; i < msize; i++){ if(a[N * threadIdx.x + i] != b[i]){ c[threadIdx.x] = 0; break; } if(i == msize - 1){ c[threadIdx.x] = 1; break; ...
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// Program for Parallel Vector Addition in CUDA // For Hadoop-CUDA Lab #include <stdio.h> #include <cuda.h> #include <stdlib.h> #include <time.h> #define N 1024 // size of array __global__ void add(int *a,int *b, int *c) { int tid = blockIdx.x * blockDim.x + threadIdx.x; if(tid < N){ c[ti...
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#include<fstream> #include<iostream> #include<vector> #include<ctime> #include<cuda.h> using namespace std; int N,M; #define THREADS_PER_BLOCK 512 vector<int> readVector(ifstream &fin) { //fin.open(); int n; int c; fin>>n; vector<int> result; for (int i=0;i<n;i++){ fin>>c; ...
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#include <assert.h> #include "cuda_runtime.h" #include "device_launch_parameters.h" #include <stdlib.h> #include <cstring> #ifndef gpuAssert #include <stdio.h> #define gpuAssert( condition ) { \ if( (condition) != 0 ) { \ fprintf( stderr, "\n FAILURE %s in %s, line %d\n", \ cudaGetErrorString(condition), __FILE_...
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#include <stdio.h> #include <sys/time.h> #include <cuda.h> #include <fstream> #include <iostream> #define N_ROWS 5 #define N_COLUMNS 6 #define INF 99999 #define K 60000000 #define SERIAL_DEPTH 10 #define GPU_DEPTH 2 #define at(table, i, j) ((table[1] & (1LL << ((i) * N_COLUMNS + j))) ? ( ((table[0] & (1LL << ((i) * ...
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#include <cufft.h> #include <stdio.h> #include <malloc.h> #define NX 64 #define BATCH 1 #define pi 3.141592 __global__ void gInitData(cufftComplex *data){ int i=threadIdx.x+blockDim.x*blockIdx.x; float x=i*2.0f*pi/(NX); data[i].x=cosf(x)-3.0f*sinf(x); data[i].y=0.0f; } int main(){ //инициализация (эмуляция получ...
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#include "includes.h" __global__ void compute_distance_texture(cudaTextureObject_t ref, int ref_width, float * query, int query_width, int query_pitch, int height, float* dist) { unsigned int xIndex = blockIdx.x * blockDim.x + thre...
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#include "includes.h" #define THREADS_PER_BLOCK 1024 #define TIME 3600000 __global__ void compute(float *a_d, float *b_d, float *c_d, int arraySize) { int ix = blockIdx.x * blockDim.x + threadIdx.x; float temp; if( ix > 0 && ix < arraySize-1){ temp = (a_d[ix+1]+a_d[ix-1])/2.0; __syncthreads(); b_d[ix]=temp; _...
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// // Created by lidan on 26/10/2020. //
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#include <iostream> #include <thrust/device_vector.h> #include <thrust/host_vector.h> #include <thrust/transform.h> #include <thrust/fill.h> struct saxpy_functor { const float a; saxpy_functor(float _a) : a(_a) {} __host__ __device__ float operator()(const float& x, const float& y) const { ...
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#include "cuda.h" #include "stdio.h" int main(int argc, char *argv[]) { int version, log2N_min, log2N_max; float dur_max; if (argc == 5) { version = atoi(argv[1]); log2N_min = atoi(argv[2]); log2N_max = atoi(argv[3]); dur_max = atof(argv[4]) * 1000.f; } else { printf("Usage: ./p1 <version> ...
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extern "C" __global__ void dispatchDots( //Tree specs // per Block In int* dotIndexes, int* stBl0, int* nPtBl0, int* stBl1, int* nPtBl1, int* blLevel, // per GPU Block In int* idBl, int* offsBl, // input values...
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#include <stdio.h> #include <unistd.h> #include <stdlib.h> const long long tdelay = 1000000LL; const int hdelay = 1000; __global__ void dkern(){ long long start = clock64(); while(clock64() < start + tdelay); } int main(int argc, char *argv[]){ int i = 0; int my_delay = hdelay; if (argc > 1) my_delay = at...
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#include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <math.h> #include <sys/types.h> #include <sys/times.h> #include <sys/time.h> #include <time.h> /* Program Parameters */ #define MAXN 15000 /* Max value of N */ #define TILE_WIDTH 32 /* Width of each block */ int N; /* Matrix size */ /* Matrices *...
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#include <thrust/device_vector.h> #include <thrust/host_vector.h> #include <thrust/functional.h> #include <thrust/transform.h> #include <iostream> int main() { thrust::device_vector<double> AAPL; thrust::device_vector<double> MSFT; thrust::device_vector<double> MEAN_DIF(2518,0); double stocks_AAPL, st...