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__global__ void create_quote_index(char *file, long n, long *escape_index, long *quote_index, char *quote_carry_index, long quote_index_size) { int index = blockIdx.x * blockDim.x + threadIdx.x; int stride = blockDim.x * gridDim.x; // We want to always calculate on 64-character boundaries, such that we can put ...
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#include <iostream> #include <cuda.h> #include <cstdlib> #include <stdlib.h> #include <stdio.h> #include <time.h> __global__ void AsyncvecAddK(int *A, int *B, int *C, int len, int offset) { int i = threadIdx.x+blockDim.x*blockIdx.x+offset; if(i<len) C[i] = A[i] - B[i]; } __global__ void vecAddK(int *A, in...
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#include <stdio.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() { int N = 1024 * 1024; size_t size = N * sizeof(float); float *ha = (float *) malloc(size); float *hb = (...
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#include "includes.h" __global__ void threshold(float *vec, int *bin, const int k_bin, const int n) { unsigned int xIndex = blockDim.x * blockIdx.x + threadIdx.x; // xIndex is a value from 1 to k from the vector ind if ( (xIndex < n) & (bin[xIndex]>k_bin) ) vec[xIndex]=0.0f; }
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#include "includes.h" __global__ void matrixMul(float *M, float *N, float *P, int width) { int col= blockDim.x * blockIdx.x + threadIdx.x; int row = blockDim.y * blockIdx.y + threadIdx.y; if (row < width && col < width) { float pValue = 0; for(int k=0; k<width; k++) pValue += M[row * width + k] * N[k * width + col]; P[...
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#include <cuda.h> #include <stdio.h> #include <stdlib.h> typedef struct node { int data; struct node *parent; struct node *left; struct node *right; int height; int sema; } node; __device__ node* global_root = NULL; __device__ volatile int MASTER_LOCK = 0; __device__ int lock(node* n) { int status = a...
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#include "includes.h" __global__ void createHistCuda (float* siftCentroids, float* siftImage, int linesCent, int linesIm, float* temp) { __shared__ float cosines[BLOCK_SIZE][2]; size_t idx = blockIdx.x*blockDim.x + threadIdx.x; size_t idy = blockIdx.y; size_t tid = threadIdx.x; if(idx < linesCent){ int centin = idx *...
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#include <bits/stdc++.h> #include <unistd.h> #include <cuda.h> template <typename Iter> void cooley_tukey(Iter first, Iter last) { auto size = last - first; if (size >= 2) { auto temp = std::vector<std::complex<double>>(size / 2); for (int i = 0; i < size / 2; ++i) { temp[i] = first...
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//#include "BLACKCAT_GPU_MATHEMATICS.cuh" // //__global__ //void GPU_MATHEMATICS::dot(float* store, unsigned s_LD, const float* m1, unsigned m1_r, unsigned m1_c, unsigned m1_LD, // const float* m2, unsigned m2_r, unsigned m2_c, unsigned m2_LD) //{ //// float* scal_one; //// cudaMalloc(&scal_one, size...
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#include <iostream> #include <numeric> #include <cuda_runtime.h> #include <stdlib.h> #include <ctime> using namespace std; #define CUDA_CHECK_RETURN(value) CheckCudaErrorAux(__FILE__,__LINE__, #value, value) #define random(x) (rand()%x) /** * Check the return value of the CUDA runtime API call and exit * the app...
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#include <cuda_runtime.h> #include <device_launch_parameters.h> #include <stdio.h> #include <stdlib.h> //implement one grid with 4 blocks and 256 threads in total, 8x8 threads for each block __global__ void print_threadIds() { printf("blockIdx,x : %d, blockIdx.y : %d, blockIdx.z : %d, blockDim.x : %d, blockDim.y : %d...
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// CUDA runtime #include <cuda_runtime.h> #include <stdio.h> // Helper functions and utilities to work with CUDA // #include <helper_functions.h> /********************************************** * Check whether we read back the same input * The double check is just for debug purposes. * We can comment it out when be...
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#include <cuda.h> #include <stdio.h> #include <stdlib.h> #define DataSize 1024 __global__ void Add(unsigned char *Da,int high,int width) { int tx = threadIdx.x; int bx = blockIdx.x; int bn = blockDim.x; int gn = gridDim.x; int id = bx*bn+tx; for(int i=id;i<(high*width);i+=(bn*gn)) Da[i] = 255...
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#include <math.h> #define EPS2 0.000001 __global__ void update(float4 *pos, float3 *vel, float4 *pos_, float3 *vel_, int n, float timedelta) { float3 acc; int id = threadIdx.x + blockDim.x*blockIdx.x; for (int sub_id = 0; sub_id < n; sub_id ++) { float3 r; r.x = pos_[sub_id].x - pos_[i...
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/** * Global Memory (Linear Array) using Unified Memory */ #include <stdio.h> #include <stdlib.h> void check_cuda_errors() { cudaError_t rc; rc = cudaGetLastError(); if (rc != cudaSuccess) { printf("Last CUDA error %s\n", cudaGetErrorString(rc)); } } __global__ void incrementor(int* num...
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#include <stdio.h> #include <assert.h> #include <cuda.h> void DisplayProperties( cudaDeviceProp* pDeviceProp ) { if( !pDeviceProp ) return; printf( "\nDevice Name \t - %s ", pDeviceProp->name ); printf( "\n**************************************"); printf( "\nTotal Global Memory\t\t -%d KB", ...
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#include <stdio.h> #include <stdlib.h> #include <assert.h> /* * See section "B. 19 Launch Bounds" from "CUDA C Programming Guide" for more * information about the optimal launch bounds, which differ across the major * architecture revisions */ #define THREADS_PER_BLOCK_2D 16 /* Simple utility function to check fo...
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/* * main.c * * Created on: 06/12/2017 * Author: roussian */ #include "HostManager.cuh" #include <stdio.h> int main(int argc, char *argv[]) { // cudaSetDevice(0); //Argumentos if( argc < 5 ) { printf( "\n Parametros incorretos.\n Uso: <top_K>, <blockSize>, <BlockRoundNumber>, <iGlobalNumberRound>," ...
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#include <cmath> __global__ void conditional(double* __restrict__ out, double const* __restrict__ in, double const* __restrict__ sgn) { int i = threadIdx.x; double helicity = sgn[i] > 0 ? 1 : -1; out[i] = in[i] * helicity; }
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#include "NeuralNetGPUFunctions.cuh" __device__ double activationFunctionHidden(double x) { // Relu return fmax(0.0, x); } __device__ double activationFunctionDerivativeHidden(double x) { return x >= 0.0 ? 1.0 : 0.0; } __device__ double activationFunctionOutput(double x) { // Sigmoid // As expected, exp() give...
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/* DATA_SIZE ‚̕_̐ωZ CPU łȂ */ /* - rev.201905 by Yoshiki NAGATANI */ #include <stdio.h> #include <stdlib.h> #define DATA_SIZE 1048576 /* xr̂ߓvZ REPEAT JԂ */ #define REPEAT 10000 /*-----------------------------------------------------------*/ /* ωZ R=A*B Ȃ֐(PRA) */ void MultiplyOnCPU(float* h_data_A, float* h_data_...
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#include <iostream> #include <math.h> // Kernel function to add the elements of two arrays __global__ void haversine(int n, float *x, float *y) { //int index = threadIdx.x; //int stride = blockDim.x; // for (int i = index; i < n; i += stride) int index = blockIdx.x * blockDim.x + threadIdx.x; int stri...
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#include <bits/stdc++.h> #include <cuda.h> #include <stdlib.h> #define IFOR(v, s, e) for(int v = s; v < e; ++v) #define UFOR(v, s, e) for(unsigned v = s; v < e; v++) using namespace std; class MatrixUtility { public: void print1Dmat(double *arr, int m) { IFOR(i, 0, m) cou...
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/* Programming on Massively Parallel Systems Fall 2018 Project # 3 Student: Patricia Wilthew Compile: nvcc proj3.cu -o proj3 Usage: ./proj3 {#of_elements_in_array1} {#of_elements_in_array2} */ #include <stdio.h> #include <stdlib.h> #include <math.h> #include <sys/time.h> #include <assert.h> #i...
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#include <stdio.h> #include <cuda_runtime.h> #include <device_launch_parameters.h> // add() will execute on the device and will be called from the host // as add runs on the device, we need to use pointers because a,b and c must point to device memory and we need to allocate memory on the GPU __global__ void add(int *...
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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,float var_2,float var_3,float var_4,float 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 ...
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#include <iostream> #include <stdio.h> #include <time.h> using namespace std; #define PI 3.1415926535897932384 #define mu0 4*PI*1e-7 #define threadsPerBlock 1024 __global__ void init(double *rod_new, double imax, double ldr, double rlength, int rod_size){ int rem = rod_size%threadsPerBlock; int divi = rod_size/th...
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#include "includes.h" __global__ void sec_mean_cuda_(int nProposal, int C, float *inp, int *offsets, float *out){ for(int p_id = blockIdx.x; p_id < nProposal; p_id += gridDim.x){ int start = offsets[p_id]; int end = offsets[p_id + 1]; float count = (float)(end - start); for(int plane = threadIdx.x; plane < C; plane +...
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#include "includes.h" __global__ void hillisSteeleScanDevice(int *d_array , int numberOfElements, int *d_tmpArray,int moveIndex) { int index = threadIdx.x + blockDim.x * blockIdx.x; if(index > numberOfElements) { return; } d_tmpArray[index] = d_array[index]; if(index - moveIndex >=0) { d_tmpArray[index] = d_tmpArray[i...
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#include "includes.h" __global__ void dMSECost(float* predictions, float* target, float* dY, int size) { int index = blockIdx.x * blockDim.x + threadIdx.x; if (index < size) { dY[index] = 2 * (predictions[index] - target[index]); } }
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#define BLOCK_SIZE_M 96 #define BLOCK_SIZE_N 64 #define ROUND_UP(n, d) (n + d - 1) / d void setGrid(int n, dim3 &blockDim, dim3 &gridDim) { // set your block dimensions and grid dimensions here gridDim.x = ROUND_UP(n, BLOCK_SIZE_N); gridDim.y = ROUND_UP(n, BLOCK_SIZE_M); }
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#include<stdio.h> #include<stdlib.h> #include<unistd.h> #include<time.h> #include<cuda.h> /* __global__ void multiply(int *val, int *vec, int *result, int *cols, int *rowptr) { int tid=threadIdx.x+blockIdx.x*blockDim.x; int sum=0; int i; for(i=0;i<cols[colidx];i++) { sum += vec[rowptr[tid]...
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__global__ void grayscale(float4* imagem, int width, int height) { const int i = blockIdx.x * (blockDim.x * blockDim.y) + blockDim.x * threadIdx.y + threadIdx.x; if(i < width * height) { float v = 0.3 * imagem[i].x + 0.6 * imagem[i].y + 0.1 * imagem[i].z; imagem[i] = make_float4(v, v, v, 0); } } extern "C" v...
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#include <iostream> #include <math.h> // Kernel function to add the elements of two arrays __global__ void vecAdd(int n, float *a, float *b, float *c) { int index = blockIdx.x * blockDim.x + threadIdx.x; int stride = blockDim.x * gridDim.x; for (int i = index; i < n; i+=stride) c[i] = a[i] + b[i]; } int main...
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// // cuda_update_live.cu // LHON-Form // // Created by Pooya Merat in 2016. // extern "C" __global__ void cuda_update_live(int n_axons, float* tox, float* rate, float* detox, float* tox_prod, float on_death_tox, float k_rate_dead_axon, float k_detox_extra, float death_tox_thres, unsigned int * axons_cent_pix, un...
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/* ********************************************** * CS314 Principles of Programming Languages * * Spring 2020 * ********************************************** */ #include <stdio.h> #include <stdlib.h> __global__ void collateSegments_gpu(int * src, int * scanResult, int * output, in...
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#include <sstream> #include <iostream> #include <cuda_runtime.h> __global__ void kernel (double *vec, double scalar, int num_elements) { unsigned int idx = blockIdx.x * blockDim.x + threadIdx.x; if (idx < num_elements) { vec[idx] = vec[idx] * scalar; } } void run_kernel (double *vec, double scal...
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#include<stdio.h> #include<math.h> #include<cuda.h> #define N 256 __global__ void matrix_vector_multi_gpu_1_256(float *A_d,float *B_d,float *C_d){ int i; A_d[threadIdx.x]=0.0; for(i=0;i<N;i++){ A_d[threadIdx.x]=A_d[threadIdx.x]+B_d[threadIdx.x*N+i]*C_d[i]; } } int main(){ int i,j; float A[N],B[N*N...
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#include <stdio.h> __global__ void hello_from_gpu() { printf("Hello World from the GPU!\n"); } int main(void) { hello_from_gpu<<<1, 1>>>(); cudaDeviceSynchronize(); return 0; }
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__global__ void swap_reflect(float *A, int numElements) { int i=blockIdx.x; int j=threadIdx.x; float temp; if ((i < numElements) && (j < numElements -1) && ((j)%2==0)) { temp = A[i*numElements + j]; A[i*numElements + j] = A[i*numElements + j + 1]; A[i*numElements + j + 1] ...
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#include <cuda_runtime.h> __global__ void calcPReLUKernel(const float *input, float *output, const float *weights, int width, int height, int channels) { int x = threadIdx.x + blockIdx.x * blockDim.x; int y = threadIdx.y + blockIdx.y * blockDim.y; if (x >= width || y >= height) { ...
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#include <stdio.h> #define N 256 #define TPB 64 __global__ void printKernel() { // Get thread ID const int i = blockIdx.x*blockDim.x + threadIdx.x; // Print message printf("Hello World! My threadId is %d\n\n", i); } int main() { // Launch kernel to print printKernel<<<N/TPB, TPB>>>(); cuda...
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/* * simulator_cuda.cu * * Created on: Jul 18, 2014 * Author: bqian */ #include "simulator_cuda.cuh" #include "simulator_kernel_impl.cuh" #include "util.cuh"
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// #CSCS CUDA Training // // #Example 3.2 - transpose matrix, coalesced access // // #Author: Ugo Varetto // // #Goal: compute the transpose of a matrix with coalesced memory access // // #Rationale: shows how to increase speed by making use of shared (among threads in a thread block) memory // and coales...
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#include<cuda.h> #include<cuda_runtime.h> #include<stdio.h> #include<stdlib.h> #include<cmath> #define TILE_SIZE 2 // Tile size and block size, both are taken as 32 __device__ void store_full_row(float*,float*,int,int, int, int); __device__ void load_full_row(float*,float*,int,int, int, int); __device__ void...
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#include <stdlib.h> #include <stdio.h> #include <cuda_runtime.h> #include <time.h> //#define __DEBUG #define element_addr(a, m, n, d) (a + ((m) * (d) + n)) #define element(a, m, n, d) (((m >= 0)&&(m < d)&&(n >= 0)&&(n < d))? (a[(m) * (d) + n]) : 0) #define CUDA_CALL(cmd) do { \ if((err = cmd) != cudaSuccess) { \ ...
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/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may ...
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#include "bitonic.cuh" __global__ void BitonicMergeSort(float * d_output, float * d_input, int subarray_size) { extern __shared__ float shared_data[]; // internal index for sorting of the subarray int index = threadIdx.x; int index_global = index + blockDim.x * blockIdx.x; double portions = log2(double(subarray_...
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#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <stdio.h> int main() { int deviceCount; cudaDeviceProp devProp; cudaGetDeviceCount(&deviceCount); printf("Found %d devices\n", deviceCount); for (int device=0; device < deviceCount; device++) { cudaGetDeviceProperties(&devProp, device...
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#include <stdio.h> #include <stdlib.h> __global__ void kernel(int *array) { int index = blockIdx.x * blockDim.x + threadIdx.x; array[index] = index; } int main(void) { int num_elements = 256; int num_bytes = num_elements * sizeof(int); // pointers to host & device arrays int *device_array = 0; int *h...
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#include "includes.h" // ERROR CHECKING MACROS ////////////////////////////////////////////////////// __global__ void buildGlobalLinReg(int noPoints, int noDims, int dimRes, int nYears, int noControls, int year, int control, float* regCoeffs, float* xmins, float* xmaxes, float* regression) { // Global thread index i...
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#include <iostream> #define CHANNELS 3 __global__ void colorToGreyscaleConversion(unsigned char *Pout, unsigned char *Pin, int width, int height) { int Col = threadIdx.x + blockIdx.x * blockDim.x; int Row = threadIdx.y + blockIdx.y * blockDim.y; if (Col < width && Row < height) { // get 1D coordi...
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#include "includes.h" __global__ void calcReluBackwardGPU( float *dz_next_layer, float *dz_in, float *dz, float *in, int elements ) { int id = (blockIdx.x + blockIdx.y*gridDim.x) * blockDim.x + threadIdx.x; if( id < elements ){ dz_in[id] += dz_next_layer[id]; dz[id] += (in[id] < 0) ? (0) : (1.0 * dz_in[id]); } /* orig...
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#include "includes.h" __global__ void gpu_totalTemp_kernel ( int N, double * partialT, double * totalT) { extern __shared__ double T_cache[]; int tid = threadIdx.x; T_cache[tid] = partialT[tid]; __syncthreads(); int nTotalThreads = blockDim.x; /// Total number of active threads /** Algoritme per calc...
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// // Created by caesar on 7/4/18. // #include "Computation.cuh"
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#include <iostream> int main(void) { cudaDeviceProp deviceProp; cudaGetDeviceProperties(&deviceProp, 0); std::cout << "CC: " << deviceProp.major << "." << deviceProp.minor << "\n"; return 0; }
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/* Authors: Jose Garcia Kameron Bush Collatz code for CS 4380 / CS 5351 Copyright (c) 2019 Texas State University. All rights reserved. Redistribution in source or binary form, with or without modification, is *not* permitted. Use in source and binary forms, with or without modification, is only permitted for academi...
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//This file contains a cuda code implementing 2d convolution //Author: Ajay Singh #include<stdio.h> #include<cuda.h> #include<stdlib.h> #define mask_width (3) #define mat_size (5) __constant__ float mask[mask_width]; __global__ void covolution_2d_kernel(float *Mat, float *Ans) { int col=threadIdx.x+blockIdx.x*block...
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// Noop // Device code that does nothing #include<stdio.h> __global__ void mykernel(void) { // this runs on device } int main(void) { mykernel<<<1, 1>>>(); printf("Hello! \n"); return 0; }
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/** * * bash版対称解除法のC言語版のGPU/CUDA移植版 * 詳しい説明はこちらをどうぞ https://suzukiiichiro.github.io/search/?keyword=Nクイーン問題 * */ #include <iostream> #include <vector> #include <stdio.h> #include <stdlib.h> #include <stdbool.h> #include <math.h> #include <string.h> #include <time.h> #include <sys/time.h> #include <cuda.h> #includ...
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#include "includes.h" __global__ void rearrangePopulation(float *gene, float *fit, int* metaData) { const int idx = threadIdx.x + blockDim.x*blockIdx.x; int nGene = metaData[1]; int nHalf = nGene / 2; if(idx> nHalf) return; int j = nGene - 1 - idx; if (fit[idx] < fit[j]) { for(int k=0; k<6; k++) { float t = gene[idx*...
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#include "includes.h" __global__ void GaussianSamplePrior(float* input, int inputCount, float* mins, float* maxes, float* randomUniform) { int i = blockDim.x * blockIdx.y * gridDim.x //rows preceeding current row in grid + blockDim.x * blockIdx.x //blocks preceeding current block + threadIdx.x; if (i < inputCount) ...
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/* * ExTopUpdater.cpp * * Created on: 01 февр. 2016 г. * Author: aleksandr */ #include "ExTopUpdater.h" #include "SmartIndex.h" /* * indx должен пренадлежать участку от [0, sizeX-1) */ __device__ void ExTopUpdater::operator() (const int indx) { int m = indx; Ex(m, sizeY - 1) = coeff[0]*(Ex(m, sizeY - 3...
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#include "block.cuh" Block::Block() { } Block::Block(AABB3 aabb, Vec3 color) { this->aabb = aabb; this->color = color; } AABB3* Block::get_bounding_box() { return &this->aabb; }
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#include <thrust/device_vector.h> #include <thrust/gather.h> #include <thrust/sequence.h> #include <stdio.h> using namespace thrust::placeholders; /*************************************/ /* CONVERT LINEAR INDEX TO ROW INDEX */ /*************************************/ template <typename T> struct linear_index_to_row_in...
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// GPU kernel for convoluting sine and cosine multiplication data with filter coefficients with hamming window .... __global__ void conv(float *dev_op_sine, float *dev_op_cosine, float *dev_op_sine_conv, float *dev_op_cosine_conv, float *dev_lpf_hamming, int b, int windowLength){ int i,k,l; int idx = threadIdx.x...
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#include <cuda_runtime.h> #include <device_launch_parameters.h> #include <stdlib.h> #include <stdio.h> #include <math.h> #include <assert.h> #include <iostream> #define MASK_LEN 8 /*as mask is never changing we can define a constant memory on the device side so that we do not have to copu again and again and loading...
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#include <stdio.h> #include <sys/time.h> #include <stdlib.h> #define N (1<<22) #define BLOCK_SIZE 128 static void HandleError( cudaError_t err, const char *file, int line ) { if (err != cudaSuccess) { printf( "%s in %s at line %d\n", cudaGetErrorString( er...
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#include <iostream> #include <fstream> using namespace std; #define BLOCK_SIZE 128 __global__ void simpleKernel( float* output ) { output[threadIdx.x] = 0; } int main(int argc, char *argv[]) { unsigned N = BLOCK_SIZE; unsigned size = N*sizeof(float); float* g_data; cudaError mallocd = cu...
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#include <iostream> #include <iomanip> #include <thrust/extrema.h> #include <thrust/device_vector.h> using namespace std; struct comparator { __host__ __device__ bool operator()(double a, double b) { return fabs(a) < fabs(b); } }; #define CSC(call) do { \ cudaError_t res = call; \ if (res != cudaSuccess) { \ ...
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// codigo incrementa e depois decrementa valores de um vetor. // // este codigo exemplifica o uso de __syncthreads() e // o uso de memoria compartilhada criada estaticamente // e dinamicamente. // // a primeira grade incrementa as posicoes de um vetor // N vezes por thread. Usa memoria compartilhada criada estaticame...
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#include "ZonePlanMCMC.cuh" #include <vector> #include <iostream> __device__ __host__ unsigned int rand(unsigned int* randx) { *randx = *randx * 1103515245 + 12345; return (*randx)&2147483647; } __device__ __host__ float randf(unsigned int* randx) { return rand(randx) / (float(2147483647) + 1); } __device_...
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//RX^g̓O[oϐɂłȂ //ƂƂŕʃt@CANZXłȂׁCdeprecated #include <iostream> #include <inttypes.h> #include <cuda_runtime.h> #include <device_launch_parameters.h> #include <device_functions.h> #include "cuda_call_checker.cuh" #include "affine_transformer_gpu.cuh" /* RX^gɓ]邽߂̊􉽕ϊindexێ affine_transform_sizen[0] = 90 ] affine_...
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#include <iostream> #include <stdio.h> #include <string.h> #include <math.h> //#include <cutil.h> // ǥХؿ(GPU¦Ǽ¹Ԥ򵭽) // // GPU꤫ǡäƤ +1 GPU᤹ // ȤǤ __global__ void function_on_GPU(float* d_idata, float* d_odata, int nword) { int tid = threadIdx.x; int bid = blockIdx.x; if((tid == 0) && (bid==0)){ // ñΤGPU1ĤΥå...
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#include <thrust/version.h> #include <thrust/host_vector.h> #include <thrust/device_vector.h> #include <thrust/transform.h> #include <thrust/sequence.h> #include <thrust/functional.h> #include <iostream> #define N 2048 struct saxpy_functor { const float a; saxpy_functor(float _a) : a(_a) {} __host__ __de...
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#include "includes.h" // includes, project #define PI 3.1415926536f int MaxThreadsPerBlock; int MaxThreadsX; int MaxThreadsY; // Conversion d'un vecteur réel en vecteur complexe // Conversion d'un vecteur complexe en vecteur réel // Multiplie point par point un vecteur complex par un vecteur réel // Applique...
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#include <cuda.h> #include <stdio.h> #define cuda_safe_call(ans) { gpuAssert((ans), __FILE__, __LINE__); } inline void gpuAssert(cudaError_t code, const char *file, int line, bool abort=true) { if (code != cudaSuccess) { fprintf(stderr,"GPUa...
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/* Command to compile on Windows: nvcc .\lab5_3.cu -ccbin "C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.29.30133\bin\Hostx64\x64" Output should be: A: [ [3.00, 5.00, 2.00, 0.00], [2.00, 4.00, 5.00, 1.00], [0.00, 3.00, 3.00, 1.00], [3.00, 5.00, 4.00, 4.00], [4.00, 5.00, 5.00, 3.00], [...
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#include <stdio.h> #include <stdlib.h> #define min(a,b) (a<b?a:b) #define threadsPerBlock 256 #define N 33 * 1024 #define blocksPerGrid min(32, (N+threadsPerBlock-1)/threadsPerBlock) __global__ void dot(float *a, float *b, float *c) { //calculate thread id combining the block and thread indices to get global ...
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// From CUDA for Engineers // Listing 5.11: sharpen/main.cpp #include <cuda_runtime.h> #include <iostream> int main() { std::cout << "Sharpen\n"; }
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#include "ludcmp.cu" #include "lubksb.cu" __device__ void simpr(float* y, float* dydx, float* dfdx, float* dfdy, const float xs, const float htot, const int nstep, float* yout, void derivs(const float, float* , float*)) { int i,j,nn; float d,h,x; const int n = 5; float a[n*n]; int indx[n]; float del[n],yt...
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#include <thrust/device_vector.h> typedef struct { size_t length; double* latitude; double* longitude; long* ts; } trajectory; typedef struct { double latitude; double longitude; long ts; } tpoint; typedef struct { size_t length; tpoint *buffer; } swindow; struct slide { size_t num; swindow *swin;...
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#include <stdio.h> #define N 1000 #define TPB 32 // Threads per block __global__ void summationKernel(int *d_array, int n, int *d_res) { const int idx=threadIdx.x+blockIdx.x*blockDim.x; const int s_idx=threadIdx.x; __shared__ int s_array[TPB]; if(idx<n) s_array[s_idx]=d_array[idx]; else { s_array[s_idx]=0...
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/* источник https://gist.github.com/stevendborrelli/4286842 */ /* источник информации о сетке и о потоках внутри неё: https://www.youtube.com/watch?v=kzXjRFL-gjo */ #pragma once #include <stdio.h> int print_info_about_GPU() { int deviceCount; cudaDeviceProp deviceProp; cudaGetDeviceCount(&deviceCount); ...
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#include "includes.h" __global__ void dot( int *a, int *b, int *c ) { __shared__ int prod[THREADS_PER_BLOCK]; // Shared memory int index = blockIdx.x * blockDim.x + threadIdx.x; prod[threadIdx.x] = a[index] * b[index]; __syncthreads(); // Threads synchronization if( threadIdx.x == 0) { int par_sum = 0; for(int i=...
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/* gpu_trunc_norm.cu * Author: Nick Ulle * Description: * CUDA C functions for generating truncated normal random variables. * * Compile with: * nvcc --ptx -arch=compute_20 gpu_trunc_norm.cu -o bin/gpu_trunc_norm.ptx */ #include <stdio.h> #include <math.h> #include <curand_kernel.h> #define NUM_RNG 128 ...
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#include <stdio.h> #include <string.h> #include <time.h> #include <math.h> #include <cuda_runtime.h> /* #if !defined(__CUDA_ARCH__) || __CUDA_ARCH__ >= 600 #else __device__ double atomicAdd(double* address, double val) { unsigned long long int* address_as_ull = (unsigned long long in...
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#include <iostream> #include <math.h> #include <vector> #include <iomanip> #include <sstream> #include <string> #include <fstream> #include <thread> #include <ctime> #include <stdio.h> __device__ static inline void setSeed(int64_t *seed) { *seed = (*seed ^ 0x5deece66d) & ((1LL << 48) - 1); } __device__ static inli...
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#include <stdio.h> #include <cuda_runtime.h> __global__ void add(int a, int b, int *c) { *c = a + b; } __global__ void hello (void) { printf("Hello Wold from GPU!\n"); } extern "C" int fun_cuda() { int c; int *dev_c; cudaMalloc((void **)&dev_c, sizeof(int)); add<<<1,1>>>(2, 7, dev_c); cudaMemcpy(&c, dev_c, si...
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#include "includes.h" /* * /usr/local/cuda/bin/nvcc -gencode arch=compute_20,code=compute_20 -o fw_kernel.ptx -ptx fw_kernel.cu */ extern "C" { } __global__ void fw(float *adj_array, int *next_array, int k, int N) { int i = blockDim.x * blockIdx.x + threadIdx.x; int j = blockDim.y * blockIdx.y + threadIdx.y; float ...
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#include <cmath> #include <cuda_runtime.h> namespace computation_playground { __global__ void transpose2d_naive_kernel(float* in, float* out, int m, int n) { int in_row_offet = blockIdx.x * blockDim.x + threadIdx.x; if(in_row_offet < m) { int in_global_offset = blockIdx.y * m + in_row_offet; int out_glob...
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#include <stdlib.h> #include <stdio.h> #include <math.h> #include <time.h> #include <iostream> #include <fstream> #define INF 1000000 using namespace std; __global__ void RoyFloyd(int* matrix, int k, int N) { int i = blockDim.y * blockIdx.y + threadIdx.y; int j = blockDim.x * blockIdx.x + threadIdx.x; if (matrix...
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#include "includes.h" /* * Implementations */ __global__ void ca_map_forward_kernel(const float *weight, const float *g, float *out, int num, int chn, int height, int width) { int x = blockIdx.x * blockDim.x + threadIdx.x; int y = blockIdx.y * blockDim.y + threadIdx.y; int sp = height * width; int len = heigh...
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#include <stdio.h> #include <math.h> #include <curand.h> #include <curand_kernel.h> #define PI 3.14159265358979323846 // known value of pi //------------------CUDA ERROR HANDLING------------------// #define gpuErrChk(e) gpuAssert(e, __FILE__, __LINE__) // Catch GPU errors in CUDA runtime calls inline void gpuAssert...
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#include <cuda.h> #include <stdio.h> #define N (1024*1024) __global__ void kernel(int* a, int* b, int* c){ int index = blockDim.x * blockIdx.x + threadIdx.x; *(c + index) = *(a + index) + *(b + index); } int main(int argc, char** argv){ int size = N * sizeof(int); int* host_a = (int*) malloc(size);...
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#include <stdio.h> #include <stdlib.h> #include <time.h> __global__ void VecAdd(float* A, float* B, float* C, int N){ int i = threadIdx.x + blockDim.x * blockIdx.x; if (i < N) C[i] = A[i] + B[i]; } int main(int argc, char** argv){ srand(2634); int N = atoi(argv[1]); char* out = argv[2]; ...
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#include <stdio.h> #include <iostream> #include <string.h> #include <stdlib.h> #include <cuda.h> using namespace std; #define CUDA_CHECK(value) { \ cudaError_t _m_cudaStat = value; \ if (_m_cudaStat != cudaSuccess) { \ fprintf(stderr, "Error %s at line %d in file %s\n", \ c...
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template <typename T> __device__ void fill(T *x, size_t n, T value) { int idx = blockIdx.x * blockDim.x + threadIdx.x; for (int i = idx; i < n; i += gridDim.x * blockDim.x) x[i] = value; } template <typename T> __device__ void axpy(T a, T *x, T *y, size_t n) { int idx = blockIdx.x * blockDim.x + threadIdx.x; f...
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#include <iostream> #include <cstdio> #include <cstdlib> #include <ctime> #include <cmath> #include <stdio.h> #include <math.h> #include <cstring> using namespace std; __global__ void compute_z(int *NOC_device,int *NOS_device,int *SC_device,float *a_device,float *b_device,float *Z_device,float *d_device){ int id...
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#include<stdio.h> #include<stdlib.h> #include<math.h> // Function to generate random number between 1 and 2 double randd() { return (double)rand() / (RAND_MAX) + 1.0; } //Serial function To multiply matrix with it's transpose void multiply_serial(double *h_a,double *h_b, int dim) { int i,j,k; float a, b, sum; //St...