serial_no
int64
1
24.2k
cuda_source
stringlengths
11
9.01M
2,801
// P2P Test by Greg Gutmann // https://codingbyexample.com/2020/09/14/p2p-memcpy-with-nvlink/ #include "stdio.h" #include "stdint.h" int main() { // GPUs int gpuid_0 = 0; int gpuid_1 = 1; // Memory Copy Size uint32_t size = pow(2, 26); // 2^26 = 67MB // Allocate Memory uint32_t* dev_...
2,802
//Parallel Programming Final Project (CUDA) //Team: 22 //ver 2.4 2018/12/16 21:15 #include <iostream> #include <fstream> #include <stdio.h> #include <stdlib.h> #include <math.h> #include <vector> #include <time.h> #include <cuda.h> using namespace std; int NUM_STEPS; int NUM_DATA; double *C_gpu, *P_gpu, *C_pr...
2,803
// Copyright 2018-2019 Tsinghua University, Author: Hongyu Xiang // Apache 2.0. // This file contains functions for calculating the denominator gradients in log domain. #include <cstdio> #include <cstdlib> #include <vector> // for each state // start_weight // end_weight // Transition: float weight, int input_label, ...
2,804
#include <stdio.h> #include <stdlib.h> #include <time.h> #include <sys/time.h> #include <math.h> // Matrix dimension int N; // Cuda variables int n_blocks = 16; int n_threads_per_block = 32; /* Initialize A and B*/ void initialize_inputs(int argc, char** argv, float*& A, float*& B) { // User requested specific n...
2,805
#include <stdio.h> #include <stdlib.h> #include <math.h> #include <pthread.h> #include <time.h> #include <sys/time.h> /*Dados HOST*/ struct data{ double c_x_min; double c_x_max; double c_y_min; double c_y_max; double pixel_width; double pixel_height; int i_x_max; int i_y_max; int...
2,806
#include <stdio.h> #define BLOCK_SIZE_X 128 __global__ void warmUp(float* out, float* in, int count) { float* local_array = in + (blockIdx.x * blockDim.x); if (threadIdx.x == 0) { out[blockIdx.x] = local_array[0]; } } __global__ void sumUnrollGlobal(float* out, float* in, int count) { if ((blockIdx.x * blockDim.x)...
2,807
#include <stdio.h> #include <cuda_runtime_api.h> #include <time.h> __device__ char* is_a_match(char * attempt) { char password1[] = "OKNXRT3171"; char * newPassword = (char *) malloc(sizeof(char) * 11); newPassword[0] = password1[0] - 2; newPassword[1] = password1[0] + 2; newPassword[2] = password1[0] - 1;...
2,808
#include <stdio.h> #include <stdlib.h> #include <sys/time.h> #define SIZE 8192 #define BLOCKSIZE 32 #define wbCheck(stmt) do { \ cudaError_t err = stmt; \ if (err != cudaSuccess) { \ printf("Failed to run s...
2,809
/************************************************ FILENAME: example_paddedpencil.cu AUTHOR: Anuva K DESCRIPTION: Test code to perform 3d FFTs on CUDA according to the proposed pruned framework. FFTs of a small non-zero subvolume of a larger volume of zeros are to be computed pencil by pencil without storing the larg...
2,810
#include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <sys/time.h> #include <cuda_runtime.h> __global__ void Convolution(double* A, double* B, int I, int J) { int i = blockDim.x * blockIdx.x + threadIdx.x; double c11, c12, c13, c21, c22, c23, c31, c32, c33; c11 = +0.2; c21 = +0.5; c31 = -0.8; c12 ...
2,811
// https://stackoverflow.com/questions/57187912/how-to-differentiate-gpu-threads-in-a-single-gpu-for-different-host-cpu-thread // nvcc cuda_std_thread.cu -o cuda_std_thread -std=c++11 #include <iostream> #include <math.h> #include <thread> #include <vector> #include <cuda.h> using namespace std; const unsigned NUM_...
2,812
#include<iostream> #include<cuda.h> // Device code __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]; } } // Host code int main(){ int N = 10; size_t size = N*sizeof(float); // Allocate memory for ...
2,813
#include "vector.cuh"
2,814
# include <stdio.h> # include <math.h> __global__ void Add( int n, float *A, float *B, float *C, float S1, float S2, int steps) { int idx = blockIdx.x * blockDim.x + threadIdx.x; if(idx < n){ for (int i = 0; i < steps; i++){ C[steps*idx+i]=(powf(S1,3.0)- 3*B[steps*idx+i])/(A[steps*idx+i] + S2); //powf(S1,3.0) ...
2,815
//Submitted by GAutham M 15co118 and yashwanth 15co154 #include<stdio.h> #include<stdlib.h> #include<cuda.h> #include <time.h> __global__ void func(float *da_in,float *db_in,float *d_out) { int idx = blockIdx.x*100 + threadIdx.x; d_out[idx] = da_in[idx] + db_in[idx]; } int main() { const int array_size = 16000; c...
2,816
/* Computes quadrature rules (i.e. circumference) for unit circle in 2D */ /* Adapted from: https://people.sc.fsu.edu/~jburkardt/c_src/circle_rule/circle_rule.html */ #include <stdio.h> #define NUM_ANGLES 100000 #define PI 3.14159265358 #define F(x,y) x*y #define CUDA_BLOCK_X 128 #define CUDA_BLOCK_Y 1 #define CUDA_BLO...
2,817
extern "C" __global__ void vectorScalarSet(float* A, float alpha, int numElements) { int i = blockDim.x * blockIdx.x + threadIdx.x; if (i < numElements) { A[i] = alpha; } } extern "C" __global__ void vectorScalarAdd(const float* __restrict__ A, float* B, float alpha, int numElements) { int i...
2,818
/* simple wrapper to utility cuda routines */ #include <stdlib.h> #include <stdio.h> #include <cuda.h> #include <cuda_runtime.h> extern "C" int CountDevices() { int num_gpus = -1; cudaGetDeviceCount(&num_gpus); return num_gpus; } extern "C" void SetDevice(int gpu_id) { cudaSetDevice(gpu_id); } extern ...
2,819
#include "includes.h" __device__ double efficientLocalMean_dev (const long x,const long y,const long k, double * input_img, int rowsize, int colsize) { long k2 = k/2; long dimx = rowsize; long dimy = colsize; //wanting average over area: (y-k2,x-k2) ... (y+k2-1, x+k2-1) long starty = y-k2; long startx = x-k2; long st...
2,820
#include <iostream> #include <math.h> #include <functional> #include <stdlib.h> /* srand, rand */ #include <time.h> /* time */ #define ROW_TILE_WIDTH 32 #define COL_TILE_WIDTH 32 template<typename T> __global__ void naive_matrix_multiply(T *A, T *B, T* C, int width, int C_rows, int C_cols) { int row = blo...
2,821
#include<stdio.h> #include<string.h> #include<stdlib.h> using namespace std; #define SUBMATRIX_SIZE 50000 #define NUM_BIN 100 #define HIST_MIN 0.0 #define HIST_MAX 3e9 //////////////////////////////////////////////////////////////////////// __global__ void distance(float *x, float *y, float *z, int xind, int yind, i...
2,822
// Copyright (c) 2017 Madhavan Seshadri // 2018 Patrick Diehl // // Distributed under the Boost Software License, Version 1.0. (See accompanying // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) extern "C" { __global__ void kernel(char *out, int *width, int *height, int ...
2,823
#include <stdio.h> #include <stdlib.h> #include <unistd.h> #define GRID 1 #define THRDS 256 __global__ void assign(int * buf) { int idx = threadIdx.x; buf[idx] = idx; } void print_buf(int * buf,int size) { int i = 0; for (i=0;i<size;i++) printf("%d\t",buf[i]); printf("\n"); } int main() { int * buf_h; int...
2,824
#include <stdio.h> #include <sys/time.h> #include <time.h> #define GO_EMPTY 0 #define GO_BLACK 1 #define GO_WHITE 2 #define GO_BORDER 3 const int boardSize = 21; const int totalSize = boardSize * boardSize; struct BoardPoint{ int color; int groupID; int libertyNumber; bool isBlackLegal; bool isWhiteLe...
2,825
#define N 16 __global__ void k(int* in) { if(threadIdx.x < N) in[0] = 0; } int main() { int* din; cudaMalloc((void**) &din, N*sizeof(int)); k<<<1,N>>>(din); }
2,826
#include "includes.h" __global__ void matrixMul_kernel(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 tmpSum = 0; if (ROW < N && COL < N) { // each thread computes one elem of the block sub-matrix for (int i = 0; i < N;...
2,827
#include<iostream> #include <cuda.h> __global__ void stencil_kernel(const float* image, const float* mask, float* output, unsigned int n, unsigned int R) { extern __shared__ float shared[]; float opsum=0; int flag=(int)R; float* mk = &shared[0]; float* ip = &mk[2*R+1]; float* op = &ip[blo...
2,828
#include <cuda.h> #include <iostream> #include <math.h> #include <ctime> #include <cmath> #include <unistd.h> #include <stdio.h> /* we need these includes for CUDA's random number stuff */ #include <curand.h> #include <curand_kernel.h> #define PI 3.14159265358979323846 double* three_dim_index(double* matrix, int...
2,829
#include <stdio.h> #include <cuda.h> //#include <cudaMalloc.h> __global__ void add(int *a, int *b, int *c) { *c = *a + *b; } int main(void) { int a, b, c; int *pa, *pb, *pc; int size = sizeof(int); cudaMalloc((void **)&pa, size); cudaMalloc((void **)&pb, size); cudaMalloc((void **)&pc,...
2,830
#include "cuda.h" #include <stdio.h> #include <stdlib.h> #include <time.h> #include <math.h> #define SIZE 900 #define HIDDINLAYERS 2 #define POINTS 583 #define TEST 100 #define ATTRIBUTES 10 static void HandleError( cudaError_t err, const char *file, int line ) { if...
2,831
#include "includes.h" __global__ void find_closest_mine(float * mine_pos_v, float * distances_v, int * mineIdx_v, int num_sweeprs, int num_mines, float * inputs) { #define sweeperIdx blockIdx.y #define first_item blockIdx.y*num_mines int my_index = (gridDim.x * blockIdx.x) + threadIdx.x; //mineIdx_v[sweeperIdx * num_m...
2,832
#include <stdio.h> #include <cuda.h> #include <time.h> #define lim 99 #define threads 10 void print(int *w){ for(int i=0; i<lim; i++){ printf("%d\n", w[i]); } } void fillVector(int *w){ for(int i=0; i<lim; i++){ w[i]=i; } } __global__ void add(int *d_x, int *d_y, int *d_z){ int i = blockIdx.x * bl...
2,833
#include "includes.h" __global__ void PictureKernell(unsigned char * d_Pin, unsigned char * d_Pout, int n, int m ){ int Row = blockIdx.y*blockDim.y + threadIdx.y; int Col = blockIdx.x*blockDim.x + threadIdx.x; if ((Row < m)&&(Col < n)){ d_Pout[Row*n + Col] = 2*d_Pin[Row*n+Col]; } }
2,834
#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <iostream> #include <stdio.h> void cudaDevicesInfo () { int deviceCount; cudaDeviceProp deviceProp; cudaGetDeviceCount (&deviceCount); for (int device = 0; device < deviceCount; ++device) { printf ("Device #%d:\n\n", device); cudaGetDev...
2,835
#include <iostream> int main(){ int dev_count; cudaGetDeviceCount(&dev_count); cudaDeviceProp dev_prop; for (int i=0; i<dev_count; i++){ cudaGetDeviceProperties(&dev_prop,i); std::cout << "Device number: " << i << "\n"; std::cout << "Shared memory per block:" << dev_prop.sharedMemPerBlock << "bytes \n"; s...
2,836
#include "phong_implement.h" #include "brdf_common.h" __global__ void phong_kernel(float3* pos, unsigned int width, float3 V, float3 N, float exposure, int divideByNdotL) { unsigned int x = blockIdx.x*blockDim.x + threadIdx.x; unsigned int y = blockIdx.y*blockDim.y + threadIdx.y; float3 L = calculateL(p...
2,837
#include <stdio.h> #include <stdlib.h> __global__ void isExecuted(int *dev_a, int blockid, int threadid){ if(blockIdx.x == blockid && threadIdx.x == threadid) *dev_a = 1; else *dev_a = 0; } int main(){ // Declare variables and allocate memory on the GPU. int a[1], *dev_a; cudaMalloc((void**) &d...
2,838
#include "includes.h" const int Nthreads = 1024, maxFR = 10000, NrankMax = 3, nt0max=81, NchanMax = 17; ////////////////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////////////// ///////////////////////////////...
2,839
#include <stdio.h> #include <string.h> #include <stdlib.h> #include <sstream> #include <string> #include <iostream> #include <stdlib.h> #include <time.h> #define X 40 #define Y 40 #define BLOCK_SIZE_X 16 #define BLOCK_SIZE_Y 8 #define GETCOORDS(row, col) (row) * (Y) + (col) #define CEIL(x,y) (((x)-1) / (y)) + 1 voi...
2,840
#include <cuda_runtime.h> #include<iostream> using namespace std; #include <device_launch_parameters.h> int main(void) { //struct containing info such as name, threads/block, etc. cudaDeviceProp devProp; int count; //pass addr of var, get method populates cudaGetDeviceCount(&count); for (int i = 0; i < count; i...
2,841
/* Compile using nvcc cuda_heat.cu Author: Romit Maulik - romit.maulik@okstate.edu */ #include <stdlib.h> #include <stdio.h> #include <math.h> #include <time.h> const double PI = 3.1415926535; const double lx = 2.0*PI, ly = 2.0*PI; const int nx = 254, ny = 254; const double ALPHA = 0.8, STAB_PARAM = 0.8; const double...
2,842
#include<stdio.h> #include<stdlib.h> #include<sys/time.h> #define CUDA_ERROR_EXIT(str) do{\ cudaError err = cudaGetLastError();\ if( err != cudaSuccess){\ printf("Cuda Error: '%s' for %s\n", cudaGetErro...
2,843
#pragma once #include "Matrix.cuh" Matrix::Matrix(long width, long height) { this->width = width; this->height = height; } long Matrix::getWidth() { return width; } long Matrix::getHeight() { return height; }
2,844
// ### // ### // ### Practical Course: GPU Programming in Computer Vision // ### // ### // ### Technical University Munich, Computer Vision Group // ### Summer Semester 2014, September 8 - October 10 // ### // ### // ### Maria Klodt, Jan Stuehmer, Mohamed Souiai, Thomas Moellenhoff // ### // ### // ### Dennis Mack, den...
2,845
#include <cuda.h> #include <iostream> #include <vector> void printArray(const float* x, int n) { std::cout << "("; for (int i = 0; i < n; i++) { std::cout << x[i] << ", "; } std::cout << ")" << std::endl; } // My attempt at using shared mem among blocks. Runs slightly slower than my naïve ...
2,846
#include <stdio.h> #include <stdlib.h> __global__ void gpu_add_two_vectors(void) { } int main() { printf("Adding Vectors: \n"); return 0; }
2,847
#include "includes.h" __global__ void nms_kernel( const int num_per_thread, const float threshold, const int num_detections, const int *indices, float *scores, const float *classes, const float4 *boxes) { // Go through detections by descending score for (int m = 0; m < num_detections; m++) { for (int n = 0; n < num_pe...
2,848
/******************************************************************* * Sparse Auto-Encoder * by * David Klaus and Alex Welles * EC527 Final Project * * Serial Implementation With Timing Code * * Compile with: * * nvcc -Xcompiler -fopenmp -lgomp -o sparseAutoencoder sparseAutoencoder.cu * ******************...
2,849
// David Ramirez A01206423 #include <stdio.h> #include <stdlib.h> #include "cuda_runtime.h" #define RECTS 1e9 #define BLOCKS 1000 #define THREADS 512 // long num_rects = 100000, i; // double mid, height, width, area; // sum = 0.0; // width = 1.0 / (double) num_rects; // for (i = 0; i < num_rects; i++){ // mid = (i ...
2,850
/* * Alexandre Maros - 2016 * * Cuda Matrix Multiplication with Global Memory. * * nvcc cuda_matrix_global.cu -o cg.o * * Implemented by Alexandre Maros for learning purposes. * A version of this code using Shared Memory is in here: * https://github.com/alepmaros/cuda_matrix_multiplication * * Distributed un...
2,851
#include "includes.h" __global__ void simple_histo(int *d_bins, const int *d_in, const int BIN_COUNT) { int myId = threadIdx.x + blockDim.x * blockIdx.x; int myItem = d_in[myId]; int myBin = myItem % BIN_COUNT; atomicAdd(&(d_bins[myBin]), 1); }
2,852
#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <cmath> #include <cstdio> #define N 300 #define NSTREAM 4 __global__ void kernel_1() { double sum = 0.0; for (int i = 0; i < N; i++) { sum = sum + tan(0.1) * tan(0.1); } } __global__ void kernel_2() { double sum = 0.0; for (int i = 0;...
2,853
#include <stdio.h> #include <stdlib.h> #include <cuda_runtime.h> #include <unistd.h> int main(int argc,char* argv[]){ cudaError_t res; float* d; int i,j; size_t pitch,width,height; for(i = 0 ; i < 1000 ; i ++){ for(j = 0 ; j < 100 ; j ++){ width = 5*i; height = 100*j; res = cudaMal...
2,854
#include "includes.h" __global__ void myfirstkernel(void) { // Code start here }
2,855
#include <stdio.h> #include <stdlib.h> #include <sys/time.h> #include <cuda_runtime.h> //#define DEBUG #define L1 1024 #define L2 1024 #define L3 1024 /* ========== Multiple block, Multiple threads ========== */ /* ========== Can change different matrix length and width ========== */ /* ========== B matrix doen't tr...
2,856
//imports #include <stdio.h> #include <math.h> #include <cuda.h> #include <stdlib.h> __global__ void printSome(int i){ printf("%d",i); } int main(){ cudaStream_t streams[5]; int i; for(i=0;i<5;i++){ cudaStreamCreate(&streams[i]); } for(i=0;i<5;i++){ printSome<<<1,1,0,streams[i]>>>(i); } for(i=0;i<5;i++){ ...
2,857
#include <stdio.h> __global__ void spmv_csr_kernel(unsigned int dim, unsigned int *csrRowPtr, unsigned int *csrColIdx, float *csrData, float *inVector, float *outVector) { // INSERT KERNEL CODE HERE int rowIdx = blockIdx.x*blockDim.x + threadIdx.x; if(rowIdx<dim){ float dotP = 0.0f; ...
2,858
#include <stdint.h> __global__ void adjust_hue_hwc(const int height, const int width, uint8_t * const __restrict__ input, uint8_t * const __restrict__ output, const float hue_delta) { // multiply by 3 since we're dealing with contiguous RGB bytes for each pixel const int idx = (blockDim.x * blockIdx.x + threadId...
2,859
#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...
2,860
#include <stdio.h> #include <cuda_runtime.h> // #include <helper_cuda.h> #define N 1000000 __global__ void doubleElements(int *a){ for (int i = blockIdx.x * blockDim.x + threadIdx.x; i < N; i += gridDim.x * blockDim.x) a[i] *= 2; } int main(void){ cudaError_t err = cudaSuccess; size_t size = N * sizeof(int); ...
2,861
#include <stdio.h> #include <curand_kernel.h> #include <chrono> #define host_t float #define device_t float* #define t_size sizeof(host_t) #define size_t unsigned long #define time_point_t std::chrono::time_point<std::chrono::high_resolution_clock> template<typename A, typename B> struct pair_t { A first; B second;...
2,862
// Сложение векторов и сравнение с количеством тредов в памяти #include <iostream> #include <cuda.h> using namespace std; __global__ void add( float *a, float *b, float *c ) { if(a[ threadIdx.x ] + b[ threadIdx.x ]<10) c[ threadIdx.x ] = a[ threadIdx.x ] + b[ threadIdx.x ]; else c[ threadIdx.x...
2,863
#include "includes.h" __device__ __forceinline__ size_t gpu_fieldn_index(unsigned int x, unsigned int y, unsigned int d) { return (NX*(NY*(d-1)+y)+x); } __global__ void gpu_stream(double *f0, double *f1, double *f2, double *h0, double *h1, double *h2) { unsigned int y = blockIdx.y; unsigned int x = blockIdx.x*blockDim....
2,864
#include "includes.h" __device__ unsigned int getGid3d3d(){ int blockId = blockIdx.x + blockIdx.y * gridDim.x + gridDim.x * gridDim.y * blockIdx.z; int threadId = blockId * (blockDim.x * blockDim.y * blockDim.z) + (threadIdx.y * blockDim.x) + (threadIdx.z * (blockDim.x * blockDim.y)) + threadIdx.x; return threadId; } _...
2,865
#pragma once #include <cstdint> #include <memory> namespace freeform { }
2,866
#include <iostream> #include <cstring> #include <fstream> #include "time.h" using namespace std; __host__ void preprocesamientoKMP(char* pattern, int m, int f[]) { int k; f[0] = -1; for (int i = 1; i < m; i++){ k = f[i - 1]; while (k >= 0){ if (pattern[k] == pattern[i - 1]) ...
2,867
#include <device_launch_parameters.h> #include <cuda_runtime.h> #include <stdio.h> #include <sys/time.h> #include <unistd.h> #include <math.h> #include <stdlib.h> //һκ˺üһCеԪ void __global__ MVMulCUDA(float *A, float *B, float *C, int rowSize, int columnSize, int wA){ // Block index int bx = blockIdx.x; int by = bl...
2,868
#include <stdio.h> #define N 40 __global__ void MatAdd(float *A, float *B, float *C) { int i = threadIdx.x; C[i] = A[i] + B[i]; } size_t ind(int x, int y) { return y * N + x; } int main() { float A[N * N]; float B[N * N]; float C[N * N]; for (int i = 0; i < N; i++) { for (int j...
2,869
#include "includes.h" __global__ void gpu_array_2norm2_r4__(size_t arr_size, const float *arr, float *bnorm2) /** Computes the squared Euclidean (Frobenius) norm of an array arr(0:arr_size-1) INPUT: # arr_size - size of the array; # arr(0:arr_size-1) - array; OUTPUT: # bnorm2[0:gridDim.x-1] - squared 2-norm of a sub-ar...
2,870
#include <stdlib.h> #include <stdio.h> #include <cuda_runtime.h> #include <math.h> #include <iostream> #include<fstream> #define Pi 3.141516 #define Nthreads 32 using namespace std; __global__ void Sinodails(double* cosine, double* sine, int tam){ int Id= threadIdx.x + blockDim.x* blockIdx.x; if(Id<tam){ ...
2,871
#include <stdlib.h> #include <stdio.h> #include <cstdlib> #include <math.h> #include <random> #include <chrono> #include <iostream> class Particle { public: float3 pos = make_float3(0,0,0); float3 vel = make_float3(1,1,1); Particle() {} Particle(float3 velocity){ vel...
2,872
#include <stdio.h> #include <stdlib.h> #include <time.h> #include <cuda.h> #define ROWS 4096 #define COLS 4096 __global__ void histo(int* d_hist1, int* d_hist2, int* mat) { int id; id = blockIdx.x * blockDim.x + threadIdx.x; switch (d_hist1[id]) { case 0: atomicAdd(&mat[0], 1); break; case 1: atomicAdd(&...
2,873
#include "includes.h" __global__ void dot(int *a, int *b, int *c) { /* shared memory cache for partial sum results */ __shared__ int cache[THREADS_PER_BLOCK]; int i = blockIdx.x * blockDim.x + threadIdx.x; int result = 0; /* multiplication step: write a partial sum into the cache */ while(i < N) { result += a[i] * b[...
2,874
// fdk-ts-h.cu #include <stdio.h> void fdk_ts_help(void) { printf("\n\ \n\ image = function('fdk,ts,back', nx,ny,nz, dx,dy,dz, \n\ offset_x, offset_y, offset_z, mask2, \n\ dso, dsd, ds, dt, offset_s, offset_t, proj, beta, nthread)\n\ \n\ image output is single [nz nx ny] <- trick!\n\ nx,ny,nz: (int32) image ...
2,875
#include<stdio.h> #include <cuda.h> void random_ints(int* a, int N) { int i; for (i = 0; i < N; ++i) a[i] = rand()%100; } __global__ void add_vector(int* a,int* b,int*c) { int i = blockIdx.x*blockDim.x+ threadIdx.x; c[i] = a[i] + b[i]; } int main() { int N = 10000; //size of vector int M = 10; //Number of th...
2,876
#include "includes.h" __global__ void gPasteRows(float* out, const float* in, size_t cols, const size_t* targetRowIdx, size_t rows) { for(int bid = 0; bid < rows; bid += gridDim.x) { int j = bid + blockIdx.x; if(j < rows) { size_t dstId = targetRowIdx[j]; size_t srcId = j; float* rowOut = out + dstId * cols; const flo...
2,877
extern "C" __global__ void multiply(unsigned int *a, unsigned int *b, unsigned int *c, int n) { unsigned int i; unsigned int product = 0; int row = blockIdx.y * blockDim.y + threadIdx.y; int col = blockIdx.x * blockDim.x + threadIdx.x; if(row < n && col < n){ for (i = 0; i < n; i++) product += a[row * ...
2,878
/* Histogram generation on the GPU. * Host-side code. * Author: Naga Kandasamy * Date modified: May 17, 2020 */ #include <stdlib.h> #include <stdio.h> #include <sys/time.h> #include <string.h> #include <math.h> #include <float.h> #define THREAD_BLOCK_SIZE 256 #define NUM_BLOCKS 40 #define HISTOGRAM_SIZE 256 /...
2,879
#include<stdio.h> #include<cuda.h> #include <string.h> #include <math.h> #define MAXNUM 10000000000 #define BNUM 190 #define TNUM 1024 long long MakeNum(int *number,long long size){ int i,j,now=0; for(i=0;i<size;i++) number[i]=0; number[2]=1;number[3]=1; for(i=5,j=2;i<size;i+=j,j=6-j){ number[i]=1; now++; }/...
2,880
#include "includes.h" __global__ void max_pooling_kernel(float *feature_map, float *probs, float *target, int feature_map_size, int feature_map_num, int pooling_rate, float *rnd_array, int rnd_num){ __shared__ float shFm[16*MAX_POOLING_RATE][16*MAX_POOLING_RATE]; int imgIdx = blockIdx.y / (feature_map_size / 16 / pool...
2,881
//本质上来说,几维的数组其实都是一维数组,不过是变变表现形式而已,二维数组加法没什么意思, //就是一维数组加法,还是二维数组乘法有点意思 //这个方法,还不是高并发,高并发,应该是把求和那一块for也并发了。估计要用device,现在的并发度是4 #include<iostream> #include<cuda.h> using namespace std; const int N=2; __global__ void mul(int *a,int *b,int *c){//并发度为4的矩阵乘法 int row=blockIdx.x; int col=threadIdx.x; int temp_sum=0...
2,882
#include "stdlib.h" #include "stdio.h" #include <math.h> #include <cuda.h> const int max_val=100; void generateArray(float* data, int size); __global__ void vectAddKernel(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); } } void vectorAdd(flo...
2,883
#include "includes.h" #define N 2560 #define M 512 #define BLOCK_SIZE (N/M) #define RADIUS 5 __global__ void add(double *a, double *b, double *c, int n){ int idx = threadIdx.x + blockIdx.x * blockDim.x; if(idx < n){ c[idx] = a[idx] + b[idx]; } }
2,884
#include <stdio.h> #define RADIUS 3 #define BLOCK_SIZE 256 #define NUM_ELEMENTS (4096*2) __global__ void stencil_1d_simple(int *in, int *out) { // compute this thread's global index unsigned int i = blockDim.x * blockIdx.x + threadIdx.x + RADIUS; int alpha = 1; int beta = 1; if(i < NUM_ELEME...
2,885
/* (c) Matthew Lee Spring 2019 MIT License */ #include <stdio.h> #include <vector> #include <math.h> #include <iostream> #include <time.h> #include <curand.h> #include <cuda_runtime.h> #include <device_launch_parameters.h> #include <curand_kernel.h> #include "barrier_options.cuh" void down_out(unsigned N_STEPS, u...
2,886
#include "includes.h" __global__ void columnarize_groups(int8_t* columnar_buffer, const int8_t* rowwise_buffer, const size_t row_count, const size_t col_count, const size_t* col_widths, const size_t row_size) { const auto thread_index = threadIdx.x + blockIdx.x * blockDim.x + blockIdx.y * blockDim.x * gridDim.x; if (th...
2,887
#include <cuda.h> #include <stdio.h> #include <stdlib.h> #define DataSize 1024 __global__ void Add(unsigned int *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...
2,888
/*#include <cuda_runtime.h>*/ #include <cuda.h> #include <stdio.h> __global__ void kernel_vecDotProduct(double* invSigmaMuDev, double* muDev, int fDim, int cbNum, double* resDev) { int cbIdx = blockDim.x * blockIdx.x + threadIdx.x; if (cbIdx < cbNum) { double t = 0; double* v1 = invSigmaMuDev + cbIdx * fDim; d...
2,889
#include<cuda.h> #include "cuda_runtime.h" #include "device_launch_parameters.h" #include <stdio.h> #include <stdlib.h> #include <cstdlib> #include <iostream> #include <sstream> __global__ void fillArray(double* array, int size, double value) { unsigned int i=threadIdx.x+blockIdx.x*blockDim.x; if(i<size){ a...
2,890
#include "includes.h" __global__ void backward_zero_nonmax_kernel(int n, int *indexes, float *prev_delta) { int id = (blockIdx.x + blockIdx.y*gridDim.x) * blockDim.x + threadIdx.x; if (id >= n) return; if (indexes[id] != id) prev_delta[id] = 0; }
2,891
#include <cuda_runtime.h> #include <cuda_fp16.h> #include <iostream> // constants for approximating the normal cdf // gelu ->gelu_fast constexpr static float A = 0.5; constexpr static float B = 0.7978845608028654; // sqrt(2.0/M_PI) constexpr static float C = 0.035677408136300125; // 0.044715 * sqrt(2.0/M_PI) templa...
2,892
#include "curand_kernel.h" #define seed 42 __global__ void kernel(double* outdata) { // curandStateXORWOW_t state; curandStateMRG32k3a_t state; int idx = blockIdx.x * blockDim.x + threadIdx.x; curand_init(seed, idx, 0, &state); outdata[idx] = curand_uniform(&state); } int main() { double* data; cudaMalloc((vo...
2,893
#include <stdio.h> #include <stdlib.h> #include <math.h> #include <assert.h> #include <cuda.h> #include <cuda_runtime.h> #define N 10000000 #define MAX_ERR 1e-6 __global__ void vector_add(float* out,float* a,float* b,int n){ int index = threadIdx.x; int stride = blockDim.x; for(int i=index ; i<n ;i=i+stride){ ou...
2,894
#include <thrust/copy.h> #include <thrust/remove.h> #include <thrust/device_ptr.h> #include <iostream> #include <iterator> #include <string> // this functor returns true if the argument is negative, and false otherwise struct is_negative { __host__ __device__ bool operator()(const int x) { return x...
2,895
#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <stdio.h> #include <stdlib.h> #define SIZE 128 #define THREADS 32 __global__ void squareWithForLoop(float * d_arr, size_t maxLoop, size_t increment) { float value; size_t index; size_t i; index = threadIdx.x; for (i = 0; i < maxLoop; ...
2,896
#include "includes.h" __global__ void add(int *a, int *b, int *c, int n) { //blockDim.x represents threads per block int index = threadIdx.x + blockIdx.x * blockDim.x; // as we need to avoid to go beyond the end of the arrays, we need to define the limit if (index < n) c[index] = a[index] + b[index]; }
2,897
// ================================================================= // // File: intro3.cu // Author: Pedro Perez // Description: This file shows some of the basic CUDA directives. // // Copyright (c) 2020 by Tecnologico de Monterrey. // All Rights Reserved. May be reproduced for any non-commercial // purpose. // // ==...
2,898
// Assignment For Module 03: // Blocks, Warps and Threads // Author: Justin Renga #include <stdio.h> #include <stdlib.h> /// @brief The Kernel function that will execute on the GPU. /// /// @param [inout] input1 The first input array (contains integers) /// @param [inout] input2 The second input array (contain...
2,899
#include <math.h> // for abs #include <stdio.h> #include <stdint.h> // for uint8_t #include <string.h> #include <sys/time.h> #include <stdlib.h> // For the CUDA runtime routines (prefixed with "cuda_") #include <cuda_runtime.h> //using namespace std; #define PIXEL uint8_t #define H 288 // height of each frame #defi...
2,900
#include <cuda_runtime.h> #include<cassert> #include<sys/time.h> #include<time.h> #include<stdio.h> #include<string> #include<sstream> #define gpuErrchk(ans) { gpuAssert((ans), __FILE__, __LINE__); } inline void gpuAssert(cudaError_t code, const char *file, int line, bool abort=true) { if (code != cudaSuccess) ...