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#include "stdio.h" // Kernel addition on GPU __global__ void add(int a, int* b) { *b += a * 100; } // Main function on the host int main() { int b, *dev_b; cudaMalloc((void **) &dev_b, sizeof(int)); add <<< 1, 1 >>> (2, dev_b); cudaMemcpy(&b, dev_b, sizeof(int), cudaMemcpyDeviceToHost); cudaFree(dev_b); printf...
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/* * SPDX-FileCopyrightText: Copyright (c) 2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved. * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License ...
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#include <stdio.h> #include <stdlib.h> #include <inttypes.h> #include <sys/time.h> #include <cuda_runtime.h> #define IND(i, j) ((i) * (N + 2) + (j)) enum { N = 1024, ITERS_MAX = 1 << 10, BLOCK_SIZE = 16 }; typedef uint8_t cell_t; double wtime() { struct timeval t; gettimeofday(&t, NULL); ret...
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#include "includes.h" __global__ void pointwise_add(float *d_res, const float *d_op1, const float *d_op2, const int len) { const int pos = blockIdx.x*blockDim.x + threadIdx.x; if(pos >= len) return; d_res[pos] = d_op1[pos] + d_op2[pos]; }
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#include<stdio.h> #include<stdlib.h> #include<cuda.h> #include <sys/time.h> #include <thrust/sort.h> #include <thrust/execution_policy.h> #include <algorithm> using namespace std; #define BLOCKSIZE 1024 __global__ void initialize(pair<float, int> * gputimes, unsigned n){ unsigned id = blockIdx.x * blockDim.x + th...
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#include <stdio.h> #include <stdlib.h> #include <cuda_runtime.h> #include <time.h> #include <math.h> //add this if compiled by visual studio #include <device_launch_parameters.h> #define G 6.67e-2f #define BLOCK_DIM 1024 #define MAX_RANGE 100.0f #define MASS 10000.0f #define EPS 1.0f extern __shared__ float3 shared_...
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#include "includes.h" __global__ void copyFromOpenMM( float *target, float *source, int N ) { const int elementNum = blockIdx.x * blockDim.x + threadIdx.x; if( elementNum > N ) { return; } const int atom = elementNum / 3; target[elementNum] = source[4 * atom + elementNum % 3]; }
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#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <stdlib.h> #include <stdio.h> #define NUM_SIZE 1024 template <unsigned int blockSize> __global__ void reduce5(int *g_idata, int *g_odata) { __shared__ volatile int sdata[512]; unsigned int tid = threadIdx.x; unsigned int i = blockIdx.x...
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#include <stdbool.h> #include <stdio.h> #include <string.h> #include <getopt.h> #include <curand_kernel.h> #include <stdlib.h> #include <cuda.h> #include <sys/time.h> #include "computePointHessian0.cu" #include<chrono> #include<iostream> using namespace std; using namespace std::chrono; int blocks_[20][2] = {{8,8},{16,...
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extern "C" { //#define Mask_width 5 //#define Mask_radius Mask_width/2 #define O_TILE_WIDTH 12 #define BLOCK_WIDTH (O_TILE_WIDTH+4) #define clamp(x, start, end) min(max(x, start), end) __global__ void convolution_2D_kernel(float*P,float*N,int height,int width,int channels,const floa...
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#include <stdio.h> /* 1-98番目までのテキスト。__ の部分を今の数字に、 ## の部分をひとつ減らした数字に置き換える */ __device__ char text[] = "__ bottles of beer on the wall, __ bottles of beer!\n" "Take one down, and pass it around, ## bottles of beer on the wall!\n\n"; /* 99番目のテキスト。そのまま表示する */ __device__ char end[] = "01 bottle of beer on the wal...
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#include <stdbool.h> #include <stdio.h> #include <string.h> #include <getopt.h> #include <stdlib.h> #include <sys/time.h> #include <cuda_runtime.h> #define N 512 #define I 100000 #define BLOCKS 1 #define ORDER 1 #define cudaErrorCheck(ans) { gpuAssert((ans), __FILE__, __LINE__); } i...
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#include <stdio.h> #include <stdlib.h> #define N 4 #define threads_per_block 4 __global__ void simpleKernel(float *out, float *in) { int index; index = blockIdx.x*blockDim.x+threadIdx.x; if(index<N) { out[index]=in[index]*in[index]*in[index]; } } extern "C" void GPU_STUFF(int device) { cudaSetDevi...
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#include <iostream> #include <stdlib.h> #include <sstream> #include <iomanip> using namespace std; #define iceil(num,den) (num+den-1)/den //Kernel Function __global__ void imgMulKernel(float* d_img_in, float* d_img_out, int w, int h, float *d_img_fin, int fw, int fh){ //Access the pixel on the image int c = block...
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#include<iostream> #include <stdio.h> using namespace std; int main() { FILE* f; //FILE* f1; int64_t num; int64_t k=0; int64_t sum=0; int64_t results[1000000]; f=fopen("22.txt","r"); //f1=fopen("18norepeat.txt","w"); for(int64_t i=0;!feof(f);i++) { k=0; fscanf(f, ...
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/*#include <iostream>*/ /*#include <ctime>*/ /*#include <stdio.h>*/ /*#include <stdlib.h>*/ /*#include <cuda.h>*/ /*#include <cuda_runtime.h> // Stops underlining of __global__*/ /*#include <device_launch_parameters.h> // Stops underlining of threadIdx etc.*/ /*#include <sys/types.h>*/ /*#include <sys...
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// Author: Sudnya Padalikar // Date: 01/26/2014 // Brief: Tiled (into shared memory) matrix multiplication kernel in cuda #include <stdio.h> #include <cassert> #include <iostream> #define TILE_SIZE 16 // Kernel that executes on the CUDA device __device__ void tileMultiplyShared(float * A, float * B, float * C, ...
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#include "cuda_runtime.h" #include "device_launch_parameters.h" #ifndef __CUDACC__ #define __CUDACC__ #endif #include "device_functions.h" #include <stdio.h> #include <stdlib.h> #include <string.h> #include <math.h> #define DEFAULT_THRESHOLD 8000 #define DEFAULT_FILENAME "BWstop-sign.ppm" #define MASK_WIDTH 3 #defin...
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#include <thrust/scan.h> #include <thrust/device_vector.h> #include <iostream> int main(){ int data[6] = {1, 0, 2, 2, 1, 3}; thrust::inclusive_scan(data, data + 6, data); /* data[0] = data[0] * data[1] = data[0] + data[1] * data[2] = data[0] + data[1] + data[2] * ... * data[5] = data[0] + data[1] + ... ...
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#include<stdio.h> #include<stdlib.h> #include<cuda.h> #include<time.h> #define BLOCK_SIZE 25 __global__ void gpu_shared_matrix_mul(float *a, float *b, float *gpu_mul, int n) { __shared__ float tile_a[BLOCK_SIZE][BLOCK_SIZE]; __shared__ float tile_b[BLOCK_SIZE][BLOCK_SIZE]; int row=blockIdx.y*blockDim.y+threadIdx....
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//This file is take from caffe/crfasrnn #define modHash(n) ((n)%(2*table_capacity)); namespace caffe { template<int kd> __device__ __host__ static unsigned int hash(signed short *key) { unsigned int k = 0; for (int i = 0; i < kd; i++) { k += key[i]; k = k * 1664525; } return k; } ...
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/* Execution Format : ./<exe> <drug_result_1_dict_compounds.txt> <drug_result_2_dict_compounds.txt> <drug_result_1_dict_proteins.txt> <drug_result_2_dict_proteins.txt> <para.txt> <drug name> */ #include <stdio.h> #include <errno.h> #include <math.h> #include <string.h> #include <unistd.h> #include <stdlib.h> #include...
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// fermi /* * Copyright 2018 Vrije Universiteit Amsterdam, The Netherlands * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * Unles...
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#include <cstdio> #include <cuda_runtime.h> #include "main.cuh" #define gpuCheck(ans) { gpuAssert((ans), __FILE__, __LINE__); } inline void gpuAssert(cudaError_t code, const char *file, int line, bool abort=true) { if (code != cudaSuccess) { fprintf(stderr,"GPUassert: %s %s %d\n", cudaGetErrorString(co...
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#include<cuda.h> #include<stdio.h> void initializeArray(int*,int); void stampaArray(int*, int); void equalArray(int*, int*, int); void prodottoArrayCompPerCompCPU(int *, int *, int *, int); //specifica il tipo di funzione kernel __global__ void prodottoArrayCompPerCompGPU(int*, int*, int*, int ); int main(int argn, c...
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#include "includes.h" #define BLOCK_SIZE 16 #define BLOCKSIZE_X 16 #define BLOCKSIZE_Y 16 // STD includes // CUDA runtime // Utilities and system includes static // Print device properties __global__ void readChannelKernel(unsigned char * image, unsigned char *channel, int imageW, int imageH, int channelToExtrac...
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// zeros out the part of a block above the diagonal // sets ones on the diagonal (kernel by V.Volkov) extern "C" { __global__ void enforceLU( float *matrix, int lda ) { int i = threadIdx.x; int j = blockIdx.x; if( i <= j ) matrix[i + j*lda] = (i == j) ? 1 : 0; } } // zeros out the whole part of ...
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#include "includes.h" __global__ void times_kernel(float *v, float *other, int n) { int x(threadIdx.x + blockDim.x * blockIdx.x); if (x >= n) return; v[x] *= other[x]; }
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#include <stdio.h> #include <unistd.h> #include <stdlib.h> #include <cuda.h> #define CHECK_CUDA_ERR(x) \ if ( (err = x) != cudaSuccess) { \ printf("%d failed with error :%s\n",__LINE__,cudaGetErrorString(err)); \ exit(1); \ } #define CHECK_LAST_ERR \ if ( (err = cudaGetLastError()) != cudaSucce...
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#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <curand.h> // thrust library #include <thrust/device_vector.h> #include <thrust/tuple.h> #include <thrust/generate.h> #include <thrust/random.h> #include <thrust/sort.h> #include <thrust/copy.h> #include <stdio.h> #include <stdlib.h> #include <io...
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#include <stdlib.h> #include <sys/time.h> timeval StartingTime; void setTime(){ gettimeofday( &StartingTime, NULL ); } double getTime(){ timeval PausingTime, ElapsedTime; gettimeofday( &PausingTime, NULL ); timersub(&PausingTime, &StartingTime, &ElapsedTime); return ElapsedTime.tv_sec*1000.0+ElapsedTime.tv_usec...
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#include <stdio.h> #include <stdint.h> #define CHECK(call) \ { \ const cudaError_t error = call; \ if (error != cudaSuccess) ...
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#ifdef USE_DOUBLE #define real_t double #define fftComplex_t cufftDoubleComplex #define complex_t cuDoubleComplex #else #define real_t double #define fftComplex_t cufftDoubleComplex #define complex_t cuDoubleComplex #endif #include <stdio.h> #include <stdlib.h> #include <math.h> #include <cuda.h> #include <cuda_runti...
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//===================================================================== // MAIN FUNCTION //===================================================================== __device__ void kernel_fin_2(int timeinst, float* d_initvalu, float* d_finavalu, int offset_ecc, int offset_Dyad, int offset_SL, int offset_Cyt, float* d_p...
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/********************* MIT License Copyright (c) 2020 Matzoros Christos Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, ...
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//======================================================================================================= // Copyright 2015 Asgeir Bjorgan, Lise Lyngsnes Randeberg, Norwegian University of Science and Technology // Distributed under the MIT License. // (See accompanying file LICENSE or copy at // http://opensource.org/...
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//////////////////////////////////////////////////////////////////////////// // // Copyright 1993-2015 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 u...
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#include "includes.h" __global__ void crate3Dplot(float* plotValues, float patchSize, int itemsX, int itemsY, float maxValue, float* vertexData) { int threadId = blockDim.x*blockIdx.y*gridDim.x //rows preceeding current row in grid + blockDim.x*blockIdx.x //blocks preceeding current block + threadIdx.x; int size = ...
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#include <stdio.h> #include <stdlib.h> #include <sys/time.h> #include <sys/resource.h> #include <math.h> __global__ void kernel_transpuesta(double *m, int N){ int tid = blockIdx.x * blockDim.x * blockDim.y + threadIdx.y * blockDim.x + threadIdx.x; int i = int((1 + sqrtf(1 + 8*tid)) / 2); int j = tid - (i*(i-1)/2); ...
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// transform sample #include <thrust/transform.h> #include <thrust/functional.h> #include <thrust/transform_reduce.h> #include <thrust/device_vector.h> #include <iostream> void print_array(int* data, int len){ for(int i=0; i<len; i++){ std::cout << data[i]; } std::cout << std::endl; } // create my functio...
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#include <string.h> #include <stdlib.h> #include <stdio.h> //CUDA RunTime API #include <cuda_runtime.h> #include <time.h> #define THREAD_NUM 1024 #define BLOCK_NUM 16 #define DATA_SIZE 1048576 // __global__ 函数(GPU上执行) 计算立方和 __global__ static void sumOfSquares(int *num, int* result, clock_t* time) { extern __shared__...
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#include<stdio.h> #include<stdlib.h> #include<string.h> #include<time.h> #pragma pack (1) //设置对齐方式 #define GauSize 5 typedef struct{ short type; //文件类型,必须为BM int size; //整个位图文件的大小,以字节为单位 short reserved1; //保留,全0 short reserved2; //保留,全0 int offset; //位图数据的起始位置,字节为...
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#include "includes.h" __global__ void rayleighHS(double *Mh_d, double *pressure_d, double *Rho_d, double *Altitude_d, double surf_drag, double bl_sigma, double Gravit, double time_step, int num) { int id = blockIdx.x * blockDim.x + threadIdx.x; int nv = gridDim.y; int lev = blockIdx.y; if (id < num) { doubl...
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/* Includes, system */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <math.h> #include <sys/time.h> /* Includes, cuda */ #include <cuda.h> #include <cuda_runtime.h> #define N 1000000 #define GRID 100000 #define BLOCK 100 #define M 1000 /* Main */ int main(int argc, char** argv) { double *...
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#include <stdio.h> #include <cuda.h> /* Thread block size = number of threads of a block*/ /* Notice: in this example, the input data size = 2*BLOCK_SIZE */ #define BLOCK_SIZE 8 /*The kernel*/ __global__ void Reduction(const float* input, float* output) { /*Declare the shared memory*/ __shared__ float partialSum[2*...
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#include "includes.h" __global__ void matrixTrans(float * M,float * MT) { int val=0; int row = blockIdx.x * blockDim.x + threadIdx.x; int col = blockIdx.y * blockDim.y + threadIdx.y; MT[row + col*N] = 0; if (row < N && col < N) { val = M[col + row*N]; MT[row + col*N] = val; } }
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#include "includes.h" __global__ void cunn_SpatialLogSoftMax_updateOutput_kernel (float *output, float *input, int feature_size, int spatial_size, int data_size, float constant) { int idx = (threadIdx.x + blockDim.x*blockIdx.x); idx = (idx/spatial_size)*feature_size + idx % spatial_size; if (idx < data_size) { int nex...
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__global__ void scan_simple(float *out, float *in, int length) { volatile extern __shared__ float data[]; int tid = threadIdx.x + blockIdx.x * blockDim.x; int tx = threadIdx.x; data[tx] = in[tid]; int pout = 0; int pin = 1; if (tid < length) { for (int offset = 1; offset < blockDim.x; offset <<= 1) { ...
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#include "includes.h" using namespace std; // https://stackoverflow.com/questions/26853363/dot-product-for-dummies-with-cuda-c __global__ void reduce0(float* g_odata, float* g_idata1, float* g_idata2) { extern __shared__ float sdata[]; // each thread loads one element from global to shared mem unsigned int tid =...
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/* * compute 0 + 1 + 2 + ... + 1023 using cuda - in a bad way */ #include <stdlib.h> #include <stdio.h> __global__ void sum(int *result) { *result = *result + threadIdx.x; } int main() { int h_result = 0; void *d_result; cudaMalloc(&d_result,sizeof(int)); cudaMemcpy(d_result,&h_result,sizeof(int),cudaMemcpy...
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#include"stdio.h" #include"time.h" __global__ void gpu_1(float *da1,float *db1,float *dc1,int n) { for(int i=0;i<n;i++) { //dc1[i]=db1[i]+da1[i]; dc1[i]=db1[i]*da1[i]; } } __global__ void gpu_2(float *da1,float *db1,float *dc1,int n) { int tid=threadIdx.x; const int t_n=blockDim.x; printf("%d\n",t_n);...
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#include <stdio.h> #include <stdlib.h> #include <cuda.h> #include <time.h> #include <math.h> #define TILE_WIDTH 16 void printDevProp(cudaDeviceProp devProp) { // Source: https://stackoverflow.com/questions/32530604/how-can-i-get-number-of-cores-in-cuda-device printf("%s\n", devProp.name); printf("Major re...
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#include <stdio.h> #include <cuda_runtime.h> #include <time.h> #include <vector> using namespace std; const int GPUs[] = {0,1,2,3,4}; // If left blank all available GPUs will be used. vector<int> g(GPUs, GPUs + sizeof(GPUs)/sizeof(int)); void configure(size_t size, vector<int*> &buffer_s, vector<int*> &buffer_d, ...
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//*************************************************************************** // Name: Broday Walker // // Links: // 1. https://devblogs.nvidia.com/how-query-device-properties-and-handle-errors-cuda-cc/ // 2. https://www.cs.cmu.edu/afs/cs/academic/class/15668-s11/www/cuda-doc/html/group__CUDART__DEVICE_g5aa4f479...
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#include <iostream> #include <math.h> #include <chrono> __global__ void vecAdd(double *a, double *b, double *c, int n){ // Global Thread ID int id = blockIdx.x*blockDim.x + threadIdx.x; // Check to make sure we are in range if (id < n){ c[id] = a[id] + b[id]; } } int main(){ int n =...
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#include "includes.h" __device__ static float rgbaToGray(uchar4 rgba) { return (0.299f * (float)rgba.x + 0.587f * (float)rgba.y + 0.114f * (float)rgba.z); } __global__ void createAnaglyph_kernel(uchar4 *out_image, const uchar4 *left_image, const uchar4 *right_image, int width, int height, int pre_shift) { const int x =...
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#include "includes.h" __global__ void cunnx_BlockSparse_updateOutput_kernel( float *output, const float *input, const float *outputIndice, const float *outputScale, const float *bias, int outputSize, int nOutputBlock, int inputWindowSize, int outputWindowSize) { __shared__ float buffer[BLOCKSPARSE_THREADS]; int tx = th...
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#include "includes.h" __global__ void scale_bias_kernel(float *output, float *scale, int batch, int filters, int spatial, int current_size) { const int index = blockIdx.x*blockDim.x + threadIdx.x; if (index >= current_size) return; int f = (index / spatial) % filters; output[index] *= scale[f]; }
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#include "seq.hh" #include <cassert> #include <stdexcept> #include "graph.hh" #include "mse-grad.hh" #include "ops-builder.hh" #include "../runtime/node.hh" #include "../memory/alloc.hh" namespace ops { Seq::Seq(std::vector<Op*> ops) : Op("seq", ops.back()->shape_get(), ops) {} void Seq::compile(...
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#include <iostream> #include <sstream> #include <stdio.h> #include <stdlib.h> #include <math.h> #include <time.h> #include <ctime> #include <algorithm> // Thread block size #define BLOCK_SIZE 1024 // Size of Array // #define SOA 67107840 // #define SOA 2147483647 #define SOA 1147483647 // #define SOA 8193 // Alloca...
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/* Author: Christopher Mitchell <chrism@lclark.edu> * Date: 2011-07-15 * * Compile with `gcc gol.c`. */ #include <stdlib.h> // for rand #include <string.h> // for memcpy #include <stdio.h> // for printf #include <time.h> // for nanosleep #include<curand.h> #define WIDTH 60 #define HEIGHT 30 // The two boards in...
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#include "includes.h" __global__ void modified_insertion_sort(float * dist, int dist_pitch, int * index, int index_pitch, int width, int height, int k){ // Column position unsigned int xIndex = blockIdx.x * blockDim.x + threadIdx.x; // Do nothing if we are out of bounds if (xIndex < width) { //...
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#include "includes.h" __global__ void addPermutations(double *determinant, double *permutations, int *n){ int nn=*n**n-1; *determinant=0; for(int i=0;i<nn;i++){ *determinant+=permutations[i]; } }
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#include "includes.h" __global__ void set_scales_dropblock_kernel(float *drop_blocks_scale, int block_size_w, int block_size_h, int outputs, int batch) { const int index = blockIdx.x*blockDim.x + threadIdx.x; if (index >= batch) return; //printf(" drop_blocks_scale[index] = %f \n", drop_blocks_scale[index]); const flo...
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// CopyBackAndForth.cu #include <assert.h> #include <stdio.h> __device__ char devarray[16]; extern "C" void runTest() { char zerobuf[16]; memset(zerobuf, '@', sizeof(zerobuf)); cudaError_t r = cudaMemcpyToSymbol(devarray, zerobuf, sizeof(zerobuf), 0, cudaMemcpyHostToDevice); assert(cudaSuccess == r); ...
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#include <cuda_runtime.h> #include <stdio.h> #include "leaky.cuh" __global__ void _leakyReluKer(float const *in, float *out, int size) { int index = threadIdx.x + blockIdx.x * blockDim.x; if (index >= size) return ; if (in[index] < 0) out[index] = in[index] * 0.1; else out[ind...
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#include <stdio.h> #include <time.h> __global__ void kernel( int* result ) { int i = blockIdx.x * blockDim.x + threadIdx.x; result[i] = i; for(int p = 2; p <= i/2; p++) { if(i % p == 0){ result[i] = 0; break; } } } double diff_sec(time_t start, time_t end) { return (double)(end - start)/CLOCKS_PER_SEC; } int...
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#include "includes.h" __global__ void MatrixMulKernel(float* Md, float* Nd, float* Pd, int Width) { // Calculate the row index of the Pd element and M int Row = blockIdx.y*BLOCK_SIZE + threadIdx.y; // Calculate the column idenx of Pd and N int Col = blockIdx.x*BLOCK_SIZE + threadIdx.x; float Pvalue = 0; // each thread ...
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#include "includes.h" __global__ void conductance_calculate_postsynaptic_current_injection_kernel( float* decay_term_values, float* reversal_values, int num_decay_terms, int* synapse_decay_values, float* neuron_wise_conductance_traces, float* d_neurons_current_injections, float * d_membrane_potentials_v, float timestep...
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#include "includes.h" __global__ void kernel_getRotMatL(double* devRotm, double* devnR, int nR) { extern __shared__ double matS[]; double *mat, *res; mat = matS + threadIdx.x * 18; res = mat + 9; mat[0] = 0; mat[4] = 0; mat[8] = 0; mat[5] = devnR[threadIdx.x * 4 + 1]; mat[6] = devnR[threadIdx.x * 4 + 2]; mat[1] = de...
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#include "includes.h" __global__ void convolution_backward_kernel(float *y_h, float *filters, float *vbias, float *target, float *y_v, int input_size, int lu_padding, int channel_num, int feature_map_size, int filter_num, int filter_size, float *rnd_array, int rnd_num){ int imgIdx = blockIdx.y / (input_size / 16); int ...
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#include "includes.h" /* * This code implements the interleaved Pair approaches to * parallel reduction in CUDA. For this example, the sum operation is used. */ // Recursive Implementation of Interleaved Pair Approach __global__ void reduceInterleaved (int *g_idata, int *g_odata, unsigned int n) { // set thread ID un...
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#include <stdio.h> #include <math.h> #define TILE_WIDTH 2 __global__ void MatrixMulKernel(float *d_M , float *d_N , float *d_P , int Width) { __shared__ float Mds[TILE_WIDTH][TILE_WIDTH]; __shared__ float Nds[TILE_WIDTH][TILE_WIDTH]; int bx = blockIdx.x; int by = blockIdx.y; int tx = threadIdx.x; int ty = thread...
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# include <stdio.h> # include <stdint.h> # include "cuda_runtime.h" # include "cuda_profiler_api.h" #define ITERATIONS 2 #define DEBUG 1 #define MAX_SHARED_E 2048 #include <time.h> #include <sys/time.h> #define USECPSEC 1000000ULL unsigned long long dtime_usec (unsigned long long start) { timeval tv; gettimeof...
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#include <thrust/host_vector.h> #include <thrust/device_vector.h> #include <thrust/copy.h> #include <thrust/fill.h> #include <thrust/sequence.h> #include <iostream> //printing device vector void printDeviceVector(thrust::device_vector<int> v, std::string name) { for(int i = 0; i < v.size(); i++) { std::co...
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#include <stdio.h> #include <cuda.h> #include <cuda_runtime.h> #define SIZE 400 // two dimension #define Blocks 20 #define threadPerBlock 20 //For practicing, only consider 16*16 matrix __global__ void gpuMM_noshared(float* d_a, float* d_b, float* d_res){ //each thread is responsible for one element of re...
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//#define REARRANGED_DOMAIN #ifdef USING_SHARED_MEMORY #define BLOCK_SIZE 960 #endif __global__ void gravity_wb( int N, double g, double * stage_vertex_values, double * stage_edge_values, double * stage_centroid_values, double * bed_edge_values, double * be...
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#include <stdio.h> #include <stdlib.h> #include <cuda_runtime.h> #define SIZE 1024 __global__ void histo_kernel(int size, unsigned int *histo) { int i = threadIdx.x + blockIdx.x * blockDim.x; if (i < size) { //*histo+=i; atomicAdd(histo, i); } }
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/** * Copyright 1993-2015 NVIDIA Corporation. All rights reserved. * * Please refer to the NVIDIA end user license agreement (EULA) associated * with this source code for terms and conditions that govern your use of * this software. Any use, reproduction, disclosure, or distribution of * this software and relate...
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#include <iostream> using namespace std; __global__ void kernel() {} int main() { kernel<<<1,1>>>(); cout << "Hello, CUDA!" << endl; return 0; }
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/* Matrix normalization. * Compile with "gcc matrixNorm.c" */ /* ****** ADD YOUR CODE AT THE END OF THIS FILE. ****** * You need not submit the provided code. */ #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <math.h> #include <sys/types.h> #include <sys/times.h> #include <sys/time.h> #includ...
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#include "includes.h" __global__ void scan_v2_kernel(float *d_output, float *d_input, int length) { int idx = blockDim.x * blockIdx.x + threadIdx.x; int tid = threadIdx.x; extern __shared__ float s_buffer[]; s_buffer[threadIdx.x] = d_input[idx]; s_buffer[threadIdx.x + BLOCK_DIM] = d_input[idx + BLOCK_DIM]; int offset...
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#include <stdio.h> __global__ void add(int *a, int *b, int *c) { // *c = *a + *b int id=blockIdx.x; c[id]=a[id]+b[id]; } int main(void) { int a[2], b[2], c[2]; // host copies of variables a, b & c int *d_a, *d_b, *d_c; // device copies of variables a, b & c int size = sizeof(int); // Allocate space for device...
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/* This function writes the transformed space (dm,t) out to file in binary format. */ #include <stdio.h> #include <stdlib.h> void write_output(int i, int t_processed, int ndms, size_t gpu_memory, float *output_buffer, size_t gpu_outputsize, float *dm_low, float *dm_high) { FILE *fp_out; char filename[200]; /* ...
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/* * Noopur Maheshwari : 111464061 * Rahul Rane : 111465246 */ #include <iostream> #include <vector> #include <map> using namespace std; extern void *__do_work_cpu(void *data); extern void *__do_work_gpu(void *data); extern map<pthread_t, pthread_mutex_t> cpu_lock_map; extern map<pthread_t, pthread_mutex_t> gpu_loc...
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#define TS 32 // Tile size template<typename Int, typename Alpha, typename TypeA, typename TypeB, typename Beta, typename TypeC> __global__ void gemm(bool transA, bool transB, Int m, Int n, Int k, Alpha alpha, TypeA *a, Int lda, TypeB *b, Int ldb, Beta beta, TypeC *c, Int ldc) { const Int inx = blockIdx.x * ...
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// Date March 26 2029 //Programer: Hemanta Bhattarai // Progarm : To add two arrays and compare computation time in host and device #include "cuda_runtime.h" #include "device_launch_parameters.h" #include <stdio.h> #include <stdlib.h> //for random numbers #include <time.h> #include <sys/time.h> #define gpuErrchk(a...
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// Check that types, widths, __GCC_ATOMIC* macros, etc. match on the host and // device sides of CUDA compilations. Note that we filter out long double, as // this is intentionally different on host and device. // // FIXME: We really should make __GCC_HAVE_SYNC_COMPARE_AND_SWAP identical on // host and device, but arc...
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/****************************************************************************** *cr *cr (C) Copyright 2010 The Board of Trustees of the *cr University of Illinois *cr All Rights Reserved *cr *****************************************************************...
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// https://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#texture-functions
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#include "cuda_runtime.h" #include <stdio.h> #include <stdlib.h> #include <iostream> #include <cstdio> #include <chrono> #define N 32 __global__ void thread_device_multi(int *array) { int i = blockDim.x * blockIdx.x + threadIdx.x; int j = threadIdx.x; array[i] = j; } int main() { int *device_array; int ...
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#include <bits/stdc++.h> #include <curand_kernel.h> using namespace std; constexpr int POPULATION_SIZE = 128; constexpr int GENERATIONS = 100; constexpr double MUTATION_RATE = 0.1; //constexpr int MAX_SIZE = 1000; #define gpuErrchk(ans) { gpuAssert((ans), __FILE__, __LINE__); } inline void gpuAssert(cudaError_t...
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#include "includes.h" __device__ double2 pow(double2 a, int b){ double r = sqrt(a.x*a.x + a.y*a.y); double theta = atan(a.y / a.x); return{pow(r,b)*cos(b*theta),pow(r,b)*sin(b*theta)}; } __global__ void pow_test(double2 *a, int b, double2 *c){ c[0] = pow(a[0],b); }
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#include "includes.h" #define ITER 4 #define BANK_OFFSET1(n) (n) + (((n) >> 5)) #define BANK_OFFSET(n) (n) + (((n) >> 5)) #define NUM_BLOCKS(length, dim) nextPow2(length) / (2 * dim) #define ELEM 4 #define TOTAL_THREADS 512 #define TWO_PWR(n) (1 << (n)) extern float toBW(int bytes, float sec); __device__ __inline__...
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#include <stdlib.h> #include <stdio.h> #include <getopt.h> __global__ void add_vector(int *vOne, int *vTwo, int *vResult, int N) { int i; i = blockDim.x * blockIdx.x + threadIdx.x; while (i < N) { vResult[i] = vOne[i] + vTwo[i]; i += blockDim.x; } } int main(int argc, char* argv[]) { int numThreadBlocks, n...
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#include "includes.h" __global__ void Relu(float * x, size_t idx, size_t N, float W0) { for (int i = blockIdx.x * blockDim.x + threadIdx.x; i < N; i += blockDim.x * gridDim.x) x[(idx-1)*N + i] = W0*x[(idx-1)*N + i] > 0 ? W0*x[(idx-1)*N + i] : 0.01; return; }
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#include <stdio.h> #include "cuda.h" static __global__ void testkernel() { printf("hello from kernel\n"); } int test() { printf("hello from cuda\n"); testkernel<<<1, 1>>>(); cudaDeviceSynchronize(); return 0; }
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#include <cstdio> #include <cstdlib> #include <vector> __global__ void init_bucket(int *bucket) { bucket[blockIdx.x*blockDim.x+threadIdx.x] = 0; } __global__ void add_bucket(int *bucket, int *key) { int i = blockIdx.x*blockDim.x+threadIdx.x; atomicAdd(&bucket[key[i]], 1); } __global__ void sort_key(int *...
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#include "includes.h" __global__ void calcDenseBackwardGPU( float *dz_in, float *dz, float *in, float *weights, float *biases, float *gradients, float *dW, float *dB, int batch_size, int in_size_x, int in_size_y, int in_size_z, int out_size_x, int out_size_y, int out_size_z, float momentum, float decay ) { int id = (bl...
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#include <stdio.h> #include <stdlib.h> #include <math.h> #define SUBMATRIX_SIZE 10000 #define BLOCK_SIZE 16 float getnum() { return rand()/((float) RAND_MAX); } __global__ void gpu_matrix_multiply(float *a, float *b, float *c, int n) { __shared__ float tile_a[BLOCK_SIZE][BLOCK_SIZE]; __shared__ float tile_b...