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#include <stdio.h> static void encrypt(unsigned char *cipher, unsigned char const *clear, int clear_len, unsigned char const *key, int key_len) { int key_cur = 0; for(int i = 0; i < clear_len; i++) { auto key_byte = key[key_cur]; cipher[i] = clear[i] ^ key_byte; key_cur++; if(...
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#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <curand.h> #include <random> #include <iostream> #include <math.h> #include <iomanip> #include <string> #include <map> #include <cstdlib> #include <ctime> #include <fstream> #include <sys/time.h> #include <stdio.h> //#define NUM_PARTICLES 1e...
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__global__ void powered_exponential_kernel(double* dist, double* cov, const int n, const int nm, const double sigma2, const double phi, const double kappa, const double nugget) { int n...
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#include "includes.h" __global__ void AdaptWinningFractionKernel( int s1, float *winningFraction, int *winningCount, float bParam, int maxCells ) { 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 automatically generated test. Do not modify */ #include <stdio.h> #include <stdlib.h> #include <math.h> __global__ void compute(float comp, float 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,floa...
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//Based on the work of Andrew Krepps #include <iostream> #include <random> #include <stdio.h> __global__ void add(int * a, int * b, int * c) { const unsigned int thread_idx = (blockIdx.x * blockDim.x) + threadIdx.x; c[thread_idx] = a[thread_idx] + b[thread_idx]; } __global__ void subtract(int * a, int *...
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//#include "mdCuda.h" __global__ void kernelForce(int NA, double* FFX, double* FFY, double* FFZ, double* EE, double* X, double* Y, double* Z, int IPBC, double *Params) { double XIJ, YIJ, ZIJ, RIJ, RIJ2, EPP, FX2, FY2, FZ2; double ARG1, ARG2, EXP1, EXP2, UIJ1, UIJ2, UIJ; double FAC1, FAC2, FAC12, XRIJ, YRIJ, ZRIJ; ...
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/* icc propagate-toz-test.C -o propagate-toz-test.exe -fopenmp -O3 */ #include "cuda_runtime.h" #include <stdio.h> #include <stdlib.h> #include <math.h> #include <unistd.h> #include <sys/time.h> #include <iostream> #include <chrono> #include <iomanip> //#define DUMP_OUTPUT #define FIXED_RSEED //#define USE_ASYNC #ifnd...
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#include <cuda.h> #include <stdio.h> #include <stdlib.h> #define BLOCK_SIZE 512 // You can change this #define NUM_OF_ELEMS 1048576 // You can change this /* #define funcCheck(stmt) { \ */ /* cudaError_t err = stmt; \ */ /* if...
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#include <stdio.h> void helloCPU() { printf("Hello from the CPU.\n"); } /* * `helloGPU` の定義を、GPU 上で起動できるカーネルに * リファクタリングします。「Hello from the GPU!」と * 出力されるようにメッセージを更新します。 */ void helloGPU() { printf("Hello also from the CPU.\n"); } int main() { helloCPU(); /* * この `helloGPU` の呼び出しをリファクタリングして、 * G...
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#include<stdio.h> #define NUM_BLOCKS 16 #define BLOCK_WIDTH 1 __global__ void hello() { printf("Hello world! I'm a thread in block %d\n", blockIdx.x); } int main() { hello<<<NUM_BLOCKS, BLOCK_WIDTH>>>(); cudaDeviceSynchronize(); return 0; }
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#include <stdio.h> #include <stdlib.h> #define N 4 // quantidades de numeros #define I 2 // adjacentes // codigo device __global__ void soma_adj(int *a){ int ind = threadIdx.x; int pos_inicio = ind - I; int pos_final = ind + I + 1; int soma = 0; if (ind < N){ for (int i=pos_inicio; i<...
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#include "includes.h" //#define __OUTPUT_PIX__ #define BLOCK_SIZE 32 __constant__ __device__ float lTable_const[1064]; __constant__ __device__ float mr_const[3]; __constant__ __device__ float mg_const[3]; __constant__ __device__ float mb_const[3]; __global__ void lin2lin_resmpl_good_gpu_kernel(float *dev_in_img, fl...
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//pass //--gridDim=1024 --blockDim=1024 #include <cuda.h> __global__ void square_array(float* dataView) { int idx = blockIdx.x*blockDim.x + threadIdx.x; dataView[idx] = dataView[idx] * dataView[idx]; #ifdef MUTATION dataView[idx+1] = dataView[idx+1]; #endif /* BUGINJECT: ADD_ACCESS, UP */ }
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#include <thrust/host_vector.h> #include <thrust/device_vector.h> #include <thrust/sort.h> #include <thrust/copy.h> #include <chrono> using namespace std::chrono; // comparison between insert vs copy vs resize int main(){ // c1. larger vec to smaller vec -> in int n = 1000000; int reps = 8; int init_...
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#include <stdio.h> __device__ int addem( int a, int b ) { return a + b; } __global__ void add( int a, int b, int *c ) { *c = addem( a, b ); } int main(void) { int a,b,c; int *dev_c; /* Allocate memory on the device */ cudaMalloc( (void**)&dev_c, sizeof(int)); a = 2; b = 7; ad...
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#include "includes.h" __global__ void glcm_calculation_180(int *A,int *glcm, const int nx, const int ny,int max){ //int iy = threadIdx.y + blockIdx.y* blockDim.y; unsigned int idx =blockIdx.x*nx+threadIdx.x; int i; int k=0; for(i=0;i<nx;i++){ if(idx>=i*nx && idx<((i+1) *nx)-1){ k=max*A[idx+1]+A[idx]; atomicAdd(&glcm[k]...
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#include <math.h> #include <stdio.h> #include <stdlib.h> #include "n_body.h" __global__ void calculateBodyForce(float4 *p, float4 *v, float dt, int n) { int i = blockDim.x * blockIdx.x + threadIdx.x; if (i < n) { float Fx = 0.0f; float Fy = 0.0f; float Fz = 0.0f; for (int tile = 0; tile < gridDim.x; t...
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#include <stdio.h> #include <cuda_runtime.h> #include <iostream> using namespace std; int main(int argc, char*argv[]) { int iDev=0; cudaDeviceProp iProp; cudaGetDeviceProperties(&iProp, iDev); cout << "Device " << iDev << ": " << iProp.name << endl; cout << "Number of multiprocessors: " << iProp.multiProce...
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#include<stdio.h> #include<cuda.h> __global__ void dkernel() { printf("Hello World! \n"); } int main() { dkernel<<<1, 32>>>(); //32 threads within 1 thread block cudaDeviceSynchronize(); return 0; }
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#include <stdio.h> #include <stdlib.h> int reverseInt(int i) { unsigned char ch1, ch2, ch3, ch4; ch1 = i & 255; ch2 = (i >> 8) & 255; ch3 = (i >> 16) & 255; ch4 = (i >> 24) & 255; return ((int)ch1 << 24) + ((int)ch2 << 16) + ((int)ch3 << 8) + ch4; } void readMNIST(const char *imagefile,const c...
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#include "includes.h" struct MPIGlobalState { // The CUDA device to run on, or -1 for CPU-only. int device = -1; // A CUDA stream (if device >= 0) initialized on the device cudaStream_t stream; // Whether the global state (and MPI) has been initialized. bool initialized = false; }; // MPI relies on global state f...
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/* ********************************************** * CS314 Principles of Programming Languages * * Spring 2020 * ********************************************** */ #include <stdio.h> #include <stdlib.h> /** * Collates results of segment scan (or segment prefix sum), putting last valu...
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#include <stdio.h> #include <cuda_runtime.h> #define DATA_TYPE long long __global__ void read_cache(DATA_TYPE* device_array, int array_size) { int i; DATA_TYPE* j = &device_array[0]; for (i = 0; i < array_size; i++) j=*(DATA_TYPE**)j; device_array[0] = (DATA_TYPE)j; } int main(int argc, char* argv[]...
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#include "includes.h" __global__ void smooth_shared(float * v_new, const float * v) { extern __shared__ float s[]; int id = blockDim.x * blockIdx.x + threadIdx.x; s[threadIdx.x + 1] = v[id]; if (threadIdx.x == 0) { int start = blockDim.x * blockIdx.x; int left = max(0, start - 1); s[0] = v[left]; int end = blockDim.x ...
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#include <stdio.h> #include "cuda_runtime.h" #include "device_launch_parameters.h" // https://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#multi-device-synchronization-cg // typedef struct CUDA_LAUNCH_PARAMS_st { // CUfunction function; // unsigned int gridDimX; // unsigned int gridDimY; // ...
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/* * File: cuda_helper.cu * Assignment: 5 * Students: Teun Mathijssen, David Puroja * Student email: teun.mathijssen@student.uva.nl, david.puroja@student.uva.nl * Studentnumber: 11320788, 10469036 * * Description: File containing functions used to allocate, copy and free * device memory and to chec...
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///////////////////////////////////////////////////////// // Auther: Aditya Mitkari // Date: 4/5/19 // // Description: Serial code for RFI mitigation // Input: file / array of frequecy values for given DM // Ouput: Frequecy values free of RFI ///////////////////////////////////////////////////////// #include <stdio.h>...
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#include "includes.h" __global__ void copySimilarity(float* similarities, int active_patches, int patches, int* activeMask, int target, int source) { int i = threadIdx.x + blockIdx.x * blockDim.x; if (i >= active_patches) return; int patch = activeMask[i]; similarities[target*patches + patch] = similarities[source*patc...
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/* Jaitirth Jacob - 13CO125 Vidit Bhargava - 13CO151 */ #include <stdio.h> #include <stdlib.h> #include <time.h> __global__ void rotateArray(int *c, int numThreads) { int nextIndex = (threadIdx.x + 1)%numThreads; int val = c[nextIndex]; __syncthreads(); c[threadIdx.x] = val; } #define N 1024 int main...
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#include "includes.h" __global__ void multiplyTanh(float* out, float* in1, float* in2, int size){ int id = blockIdx.x * blockDim.x + threadIdx.x; if(id < size) out[id] = in1[id] * in2[id]; }
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#include <stdlib.h> #include <stdio.h> #include <cuda.h> #include <cuda_runtime.h> int main(int argc, char** argv) { int ct,dev; cudaError_t code; struct cudaDeviceProp prop; cudaGetDeviceCount(&ct); code = cudaGetLastError(); if(code) printf("%s\n", cudaGetErrorString(code)); if(ct == ...
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#include "includes.h" __global__ void initialize_rho(float* rho, int size_c, int nc) { int i = blockIdx.x*blockDim.x + threadIdx.x; int c = blockIdx.y*blockDim.y + threadIdx.y; if (i < size_c && c < nc) { rho[c*(size_c)+i] = 0.5f; } }
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#include "includes.h" __device__ size_t GIDX(size_t row, size_t col, int H, int W) { return row * W + col; } __global__ void kernel_sub(float* d_f1ptr, float* d_f2ptr, float* d_dt, int H, int W) { size_t row = threadIdx.y + blockDim.y * blockIdx.y; size_t col = threadIdx.x + blockDim.x * blockIdx.x; size_t idx = GIDX(...
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#define CUDA_BLOCK_X 128 #define CUDA_BLOCK_Y 1 #define CUDA_BLOCK_Z 1 __global__ void _auto_kernel_0(int a[100][2][4]) { int thread_x_id;thread_x_id = blockIdx.x * blockDim.x + threadIdx.x; int thread_y_id;thread_y_id = blockIdx.y * blockDim.y + threadIdx.y; int thread_z_id;thread_z_id = blockIdx.z * blockDim.z...
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#include "includes.h" __global__ void sumArraysOnGPU(float *A, float *B, float *C, const int N) { int i = blockIdx.x * blockDim.x + threadIdx.x; __shared__ float d[256]; if (i < N) { d[threadIdx.x%16]= A[i] + B[i]; C[i] = d[threadIdx.x%8]; } }
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#include <cuda.h> #include <cuda_runtime_api.h> __global__ void cuda_sum_kernel(float *a, float *b, float *c, size_t size) { size_t idx = blockIdx.x * blockDim.x + threadIdx.x; if (idx >= size) { return; } c[idx] = a[idx] + b[idx]; } extern "C" { void cuda_sum(float *a, float *b, float *c, si...
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//-------------------------------------------------- // Autor: Ricardo Farias // Data : 29 Out 2011 // Goal : Increment a variable in the graphics card //-------------------------------------------------- /*************************************************************************************************** Includes ***...
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#include <stdio.h> int main() { /* * 以下の出力文字列で現在アクティブな GPU の要求された * プロパティを出力するために、これらの変数に値を代入します。 */ int deviceId; int computeCapabilityMajor; int computeCapabilityMinor; int multiProcessorCount; int warpSize; /* * 以下の出力文字列を変更する必要はありません。 */ printf("Device ID: %d\nNumber of SMs: %d\nCo...
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// From CUDA for Engineers // Listing 8.3: dist_1d_thrust #include <thrust/device_vector.h> #include <thrust/host_vector.h> #include <thrust/sequence.h> #include <thrust/transform.h> #include <iostream> #define N 64 using namespace thrust::placeholders; // _1 struct SqrtOf{ __host__ __device__ float operat...
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#include "includes.h" __global__ static void findRHS(double* cOld, double* cCurr, double* cHalf, double* cNonLinRHS, int nx) { // Matrix index int globalIdx = blockDim.x * blockIdx.x + threadIdx.x; int globalIdy = blockDim.y * blockIdx.y + threadIdx.y; // Set index being computed int index = globalIdy * nx + globalIdx...
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#include "includes.h" extern "C" { #ifndef NUMBER #define NUMBER float #endif } __global__ void vector_set (const int n, const NUMBER val, NUMBER* x, const int offset_x, const int stride_x) { const int gid = blockIdx.x * blockDim.x + threadIdx.x; if (gid < n) { x[offset_x + gid * stride_x] = val; } }
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#include <stdlib.h> #include <stdio.h> #include <unistd.h> #include <stdint.h> #include <assert.h> #include <time.h> #include <math.h> /* Author: Andrew DiPrinzio Course: EN605.417.FA */ static const uint32_t DEFAULT_NUM_THREADS = 1024; static const uint32_t DEFAULT_BLOCK_SIZE = 16; static void usage(){ pri...
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#include <iostream> #include <vector> #include <cuda_runtime.h> #include <device_launch_parameters.h> #include <curand.h> using namespace std; constexpr unsigned int ITERATIONS = 1 << 24; constexpr unsigned int ITERATIONS_KERNEL = 1 << 16; constexpr unsigned int TOTAL_KERNELS = ITERATIONS / ITERATIONS_KERNEL; __glob...
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// System includes #include <stdio.h> #include <assert.h> // CUDA runtime #include <cuda_runtime.h> extern "C" __global__ void maxwell_sgemm_64x64_raggedMn_nt(float *B, float *A, float *C, int ldb, int lda, int ldc, int N, int M, int K, float *alpha, float *beta, float alpha_, float beta_, int flag) { __shared__ f...
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#include "includes.h" __global__ void cudaSGatherRP_kernel( unsigned int inputSizeX, unsigned int inputSizeY, unsigned int nbAnchors, unsigned int batchSize, const float* inputs, const int* i, const int* j, const int* k, const int* b, const int* mask, float* outputs, int* anchors, unsigned int topN, const unsigned int ...
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/* Command to compile on Windows: nvcc .\lab5_2_1.cu -ccbin "C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.29.30133\bin\Hostx64\x64" */ #include <stdio.h> __global__ void hello_GPU(void) { if (blockIdx.x == 0 && threadIdx.x > 3) { return; } printf("Hello from GPU...
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//#include "StdAfx.h" #include <iostream> #include <stdio.h> #include <cuda_runtime_api.h> #define MAX_FILE_NAME_CHARS 40 #define MAX_OUTFILE_NAME_CHARS 45 #define FRAMES_PER_ITER 256 #define PROMETHEUS_TESLA_C2075 1 using namespace std; // Define this to turn on error checking #define CUDA_ERROR_CHECK #define C...
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#include <thrust/system/omp/vector.h> #include <thrust/system/tbb/vector.h> #include <thrust/iterator/retag.h> #include <cstdio> struct omp_hello { void operator()(int x) { printf("Hello, world from OpenMP!\n"); } }; struct tbb_hello { void operator()(int x) { printf("Hello, world from TBB!\n"); }...
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#include <iostream> #include <math.h> __global__ void Dense(int n, int m, float *W, float *b, float *x, float* y) { int j = blockIdx.x * blockDim.x + threadIdx.x; int jn = j*n; float r = b[j]; for (int i = 0; i < n; i++) r = r+W[jn+i]*x[i]; y[j] = r; } int main(void) { int N = 1024; int M = 2048; i...
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/* Program name: HelloGPU_ThreadOrganization.cu Author name: Dr. Nileshchandra Pikle Email: nilesh.pikle@gmail.com Contact Number: 7276834418 Webpage: https://piklenileshchandra.wixsite.com/personal Purpose: To demonstarte 1. How to write CUDA program 2....
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#include <stdio.h> #define N 160 #define THREADS 16 __global__ void max_kernel(float *A, float * max){ int i = blockDim.x*blockIdx.x+threadIdx.x; __shared__ float smax[THREADS]; smax[threadIdx.x] = A[i]; for(unsigned int s = blockDim.x/2; s > 0; s>>=1){ if(threadIdx.x < s){ if(smax[thre...
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#include "foo.cuh" #define CHECK(res) { if(res != cudaSuccess){printf("Error :%s:%d , ", __FILE__,__LINE__); \ printf("code : %d , reason : %s \n", res,cudaGetErrorString(res));exit(-1);}} __global__ void foo() { printf("CUDA!\n"); } void useCUDA() { foo<<<1,25>>>(); CHECK(cudaDeviceSynchronize());...
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#include <iostream> #include <cstdlib> #include <cuda.h> #include <map> #include <fstream> using namespace std; #define delta 10 #define rows 1000 #define columns 1000 int* findBarrier(int x, int y, int * Map[columns]){ //y-координаты препятствий i...
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#include <cassert> #include <cstdlib> #include <iostream> #include <chrono> using namespace std; #define MASK_LENGTH 7 __constant__ int mask[MASK_LENGTH]; __global__ void convolution_1d(int *array, int *result, int n); void verify_result(int *array, int *mask, int *result, int n); auto get_time() { return chrono::hig...
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/* * Copyright 2011-2015 NVIDIA Corporation. All rights reserved * * Sample app to demonstrate use of CUPTI library to obtain metric values * using callbacks for CUDA runtime APIs * */ #include <stdio.h> #include <stdlib.h> #include <cuda.h> // #include <cupti.h> #include <math_constants.h> // #include "../../lc...
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#include <stdio.h> #include <time.h> #include <cuda_runtime.h> #define TPB 256 #define PARTICLES 10000000 #define ITTERATIONS 10 struct Particle { float3 position; float3 velocity; }; __device__ float3 operator+(const float3& p1, const float3& p2) { return make_float3(p1.x + p2.x, p1.y + p2.y, p1.z + p2.z); } __d...
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#include <stdio.h> __global__ void square_1d_vector(float * d_out , float * d_in) { int idx = threadIdx.x; d_out[idx] = d_in[idx] * d_in[idx]; } void call_1d_parallel_computing(void) { const int ARRAY_SIZE = 32; const int ARRAY_BYTES = ARRAY_SIZE * sizeof(float); //Host mem arrays float h_1d_in[ARRAY_SIZE]; ...
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#include <stdio.h> #include <stdlib.h> #include <math.h> #include <curand.h> #include <curand_kernel.h> #define min( a,b ) ( (a) > (b) ? (b) : (a) ) __global__ static void Normal_random_number_kern( int m_A, int n_A, double * A_pg, int ldim_A, curandState_t state, unsigned long long rand_seed ) { //...
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#include <iostream> #include <algorithm> #include <chrono> __global__ void add(float *x, float *y, float *z, int size) { int index = threadIdx.x; int stride = blockDim.x; for (int i = index; i < size; i += stride) { z[i] = x[i] + y[i]; } } cudaError_t cuda_add(float *x, float *y, float *...
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#include "includes.h" __global__ void init(float* xbar, float* xcur, float* xn, float* y1, float* y2, float* img, int w, int h, int nc) { int x = threadIdx.x + blockDim.x * blockIdx.x; int y = threadIdx.y + blockDim.y * blockIdx.y; if (x < w && y < h) { int i; float val; for (int z = 0; z < nc; z++) { i = x + w * y + ...
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#include <cassert> #include <iostream> #include <math.h> #include <cooperative_groups.h> using namespace cooperative_groups; // Reduces a thread group to a single element __device__ int reduce_sum(thread_group g, int *temp, int val){ int lane = g.thread_rank(); // Each thread adds its partial sum[i] to sum[lane+i]...
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#include "includes.h" __global__ void FullyConnectedCurvatureKernel( float *weightsGradPtr, float *biasGradPtr, float *shiftedWeightsPtr, float *shiftedBiasPtr, float *avgWeightGradPtr, float *avgBiasGradPtr, float *weightGradCurvePtr, float *biasGradCurvePtr, float *dropoutMaskPtr, int prevLayerSize, int thisLayerSize...
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#pragma once #include <iostream> #include <numeric> #include <curand.h> #include <curand_kernel.h> #include <ctime> #include <chrono> #include <iomanip> #include <sstream> #include <fstream> typedef double(*FunctionCallback)(double); namespace parallel { __global__ void monteCarloThread(unsigned long seed, ...
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//#include <helper_cuda.h> //#include <algorithm> #include <time.h> #include <limits.h> //#define RADIX 4294967296 //#define RADIX 2147483658 #define RADIX 65536 //#define numElements 1048576 #define numElements 30000 #define numIterations 10 #define BLOCKSIZE 128 // countlength/threadsperblock void __global__...
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__global__ void double_itself(int* A) { int tid = threadIdx.x; A[tid] += A[tid]; }
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#include "includes.h" __global__ void reduce(int *a, int *b, int n) { unsigned int i = blockIdx.x * blockDim.x + threadIdx.x; atomicAdd(b, a[i]); }
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#include <math.h> __device__ float fact_fun(int idx){ float fact = 1; for(int i = 1; i<idx+1; i++){ fact = fact*i; } fact = 1/fact; return fact; } __global__ void e_sum(float *c){ int duljina = 500; const int idx = threadIdx.x; c[idx] = fact_fun(idx); c[duljina-idx-1] = fact_fun(duljina-idx); }...
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//////////////////////////////////////////////////////////////////////////////// // // FILE: n_sample_moving_avg.cu // DESCRIPTION: runs N Sample Moving Average Filtering algorithm on gpu // AUTHOR: Dan Fabian // DATE: 2/16/2020 #include <iostream> #include <random> #include <chrono> using std::cou...
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#include "includes.h" __global__ void _drop64(int n, double *x, double *y, double *xmask, double dropout, double scale) { int i = threadIdx.x + blockIdx.x * blockDim.x; while (i < n) { if (xmask[i] < dropout) y[i] = 0; else y[i] = x[i] * scale; i += blockDim.x * gridDim.x; } }
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#include "includes.h" //double* x, * devx, * val, * gra, * r, * graMax; //double* hes_value; ////int size; //int* pos_x, * pos_y; //int* csr; double* x; //thrust::pair<int, int> *device_pos; //typedef double (*fp)(double); //typedef void (*val_fp)(double*, double*, int); //typedef void (*valsum_fp)(double*, double*,int...
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#include "includes.h" //Library Definition //Constant Definition #define PI 3.141592654 #define blocksize 32 #define Repetitions 8192 //Print matrix into standard output void print(double * M,int cols,int rows); void dot(double * a,double * b, double & c, int cols); void Create_New_Matrix(double * M,double * New,int...
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#include<bits/stdc++.h> using namespace std; typedef unsigned long long ull; typedef pair< ull , ull> uull; const ull MAX = 1; uull LnRnBlocks[17]; // from l0r0 to l16r16 uull CnDnBlocks[17]; //from c0d0 to c16d16 ull keysBlocks[16]; //from key[1] = k0 to key[16] = k15 ull allCipherDES[1000000]; const ull Ro...
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/* https://devblogs.nvidia.com/even-easier-introduction-cuda/ */ #include <iostream> #include <math.h> // __global__: indica que a função add deverá ser executada na __global__ void add(int n, float *x, float *y){ int index = threadIdx.x; int stride = blockDim.x; for(int i = index; i<n ; i=i+stride){ y[i] = x[i]...
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#include <stdio.h> #include <stdlib.h> #include <sys/time.h> // Comment out this line to enable debug mode // #define NDEBUG /* time stamp function in seconds */ __host__ double getTimeStamp() { struct timeval tv; gettimeofday(&tv, NULL); return (double)tv.tv_usec / 1000000 + tv.tv_sec; } __host__ void i...
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#include "includes.h" __global__ void stencil_2d(int *in, int *out) { /* Fill kernel code! */ }
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/* * Copyright 1993-2014 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 related...
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__global__ void intrinsic(float *ptr){ *ptr = __powf(*ptr, 2.0f); } __global__ void standard(float *ptr){ *ptr = powf(*ptr, 2.0f); }
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#include "includes.h" __global__ void normalize_kernel(int N, float *x, float *mean, float *variance, int batch, int filters, int spatial) { const int index = blockIdx.x*blockDim.x + threadIdx.x; if (index >= N) return; int f = (index / spatial) % filters; x[index] = (x[index] - mean[f]) / (sqrtf(variance[f] + .00001f...
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__global__ void depth_conv_small(const float * __restrict__ bottom_data,float *top_data, const float *__restrict__ weights, int channels,int kernel_single_size,int spatial_dim_in,int spatial_dim_out, int spatial_dim_add_padding,int padding,int stride) { ...
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/* Uses N blocks with N threads SOR Stokes Flow with no slip b.c. on top/bottom and no flux b.c. on left/right written by Dmitriy Kats Inputs: N is the number of grid points in each direction, mu is the viscosity Pdiff is the pressure drop in the x direction omega is the SOR factor ...
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/* Write GPU kernels to compete the functionality of estimating the integral via the trapezoidal rule. */ #define F(n) ((n) + 1)/sqrt((n) * (n) + (n) + 1) __global__ void trap_kernel(float a, float b, int n, float h, float *Result_Vector) { __shared__ float p[128]; unsigned int column = blockIdx.x * blockDim.x + ...
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#include "stdio.h" #define DIM 8 const int THREADS_PER_BLOCK = 8; const int NUM_BLOCKS = 8; __global__ void add(int *a, int *c) { __shared__ int cache[THREADS_PER_BLOCK]; int tid = threadIdx.x + (blockIdx.x * blockDim.x); int cacheIndex = threadIdx.x; int temp = 0; temp = a[tid]; cache[cacheInd...
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#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <iostream> using namespace std; int main() { int count; cudaGetDeviceCount(&count); cudaDeviceProp prop; for (int i = 0; i < count; ++i) { cudaGetDeviceProperties(&prop, i); cout << "Device" << i << prop.name <...
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#include "includes.h" __global__ void vectorAdd(int* a, int* b, int* c, int n) { // Calculate global thread ID (tid) int tid = (blockIdx.x * blockDim.x) + threadIdx.x; // Vector boundary guard if (tid < n) { // Each thread adds a single element c[tid] = a[tid] + b[tid]; } }
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#include "includes.h" __global__ void gpu_vector_add(float *out, float *a, float *b, int n) { // built-in variable blockDim.x describes amount threads per block int tid = blockIdx.x * blockDim.x + threadIdx.x; if (tid < n) out[tid] = a[tid] + b[tid]; // more advanced version - handling arbitrary vector/kernel size /...
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// Use grid strided loops, descriped here: // https://devblogs.nvidia.com/cuda-pro-tip-write-flexible-kernels-grid-stride-loops/ // This pattern ensures that all of the loop values are visited once, no matter // what grid parameters are used for the function. extern "C" __global__ void seq2col(float* output, cons...
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#include <stdio.h> #define N 100 __global__ void assign(int *arr) { int tid = threadIdx.x + blockIdx.x * blockDim.x; if (tid < N && tid > 0) { for (int i = 0; i < 50; i++) { int tmp = arr[tid-1]; __syncthreads(); arr[tid] = tmp; //arr[tid] = arr[tid-1]; //false operation } ...
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#include "stdio.h" #include <cuda.h> #include <cuda_runtime.h> #include <iostream> void handle_errors(void){ int *d_a; cudaError_t cudaStatus; cudaStatus = cudaMalloc((void**)&d_a, sizeof(int)); printf("Status: %d, cudaSuccess: %d\n", cudaStatus, cudaSuccess); int *h_a; cudaStatus = cudaMemcpy...
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#include<cuda_runtime.h> #include<stdio.h> int main() { int num = 0; int maxdev = 0; cudaGetDeviceCount(&num); if (num > 1) { int maxp = 0; for (int i = 0; i < num; i++) { cudaDeviceProp props; cudaGetDeviceProperties(&props, i); if (maxp ...
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#include "gpuMemoryLimitTester.cuh" #define gpuErrchk(ans) { gpuAssert((ans), __FILE__, __LINE__); } inline void gpuAssert(cudaError_t code, const char *file, int line, bool abort = true) { if (code != cudaSuccess) { std::fprintf(stderr, "GPUassert: %s %s %d\n", cudaGetErrorString(code), file, line); if (abort)...
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#include <stdio.h> #include <cstdlib> #include <time.h> #include <stdlib.h> #include <math.h> // CUDA runtime #include <cuda_runtime.h> // Helper functions and utilities to work with CUDA //#include <helper_functions.h> //This function takes 32 elements and computers their all-prefix-sum //Also, stores the sum of t...
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#include "includes.h" #define FALSE 0 #define TRUE !FALSE #define NUMTHREADS 16 #define THREADWORK 32 __device__ int dIsSignificant(float signif, int df) { float tcutoffs[49] = { // cuttoffs for degrees of freedom <= 30 637.000, 31.600, 2.920, 8.610, 6.869, 5.959, 5.408, 5.041, 4.781, 4.587, 4.437, 4.318, 4.22...
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#include "includes.h" __global__ void _copy_mat(float *m, float* target, int len){ int tid = blockIdx.x * blockDim.x + threadIdx.x; if(tid < len){ target[tid] = m[tid]; } }
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#include <cuda_runtime_api.h> #include <iostream> using namespace std; __global__ void kernel(int* tab, int elem_number) { int i = blockIdx.x * blockDim.x + threadIdx.x; int step = gridDim.x * blockDim.x; for (; i < elem_number; i += step) { tab[i] = 2 * tab[i]; } } int main() { const int elem...
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#include "includes.h" __global__ void convolutionParallel(unsigned char* image, unsigned char* new_image, unsigned height, unsigned width, int thread_count, int convolution_size) { // process image int offset = (blockIdx.x * blockDim.x + threadIdx.x); int width_out = (width - convolution_size + 1); int height_out = (he...
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#include <stdlib.h> #include <stdio.h> #include <math.h> #include <cuda.h> #define N 10 #define UPPER N*4 #define LOWER 1 #define THREADS_PER_BLOCK 512 __global__ void count_sort(int *a, int *s_a, int n); void rand_init_array(int *array, int n, int upper, int lower); void display_array(int *array, int n); /* * Mai...
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#include "error.h" #include <cuda.h> #include <curand_kernel.h> #include <cassert> #include <iostream> #include <string> namespace { const char* curandGetErrorString(const curandStatus_t error) { switch (error) { case CURAND_STATUS_SUCCESS: return "CURAND_STATUS_SUCCESS"; case CU...
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#include "cuda.h" #include <time.h> #include <stdio.h> #include <math.h> #define TILE_WIDTH 2 __global__ void reduce(int *data, int *result, int N) { int i = threadIdx.x ; for (int k = N/2; k > 0; k=k/2) { if(i<k) data[i] += data[k+i]; __syncthreads(); } if (i == 0) result[0] = data[0]; ...
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#include "VerifyMove.cuh" int getCheck(Piece** board, int kingRow, int kingCol, int color){ // Loops through the rows for(int direction=-1; direction<=1; direction+=2){ for(int row=kingRow; row<DIM && row>=0; row+=direction){ if(board[row][kingCol].piece.color==color){ break; } else if(board[row][ki...