178 lines
3.4 KiB
C++
178 lines
3.4 KiB
C++
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#include "convolution.h"
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#include <mpi.h>
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#include <stdio.h>
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static float *input, *output, *filter;
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static int N, C, H, W;
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static int K, R, S;
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static int OH, OW;
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static int pad;
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static int dilation;
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static int stride;
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static int mpi_rank, mpi_world_size;
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// dilation=1,, padding=0, stride=1, node=2
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// N, C, K, H, W 2^n, R, S=16
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void convolution_opt(){
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for (int n = 0; n < N; ++n) {
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for (int k = 0; k < K; ++k) {
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for (int oh = 0; oh < OH; ++oh) {
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for (int ow = 0; ow < OW; ++ow) {
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float o = 0.f;
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for (int c = 0; c < C; ++c) {
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for (int r = 0; r < R; ++r) {
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for (int s = 0; s < S; ++s) {
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int h = oh * stride - pad + r * dilation;
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int w = ow * stride - pad + s * dilation;
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if (h < 0 || h >= H || w < 0 || w >= W) continue;
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float i = input[n * C * H * W + c * H * W + h * W + w];
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float f = filter[k * C * R * S + c * R * S + r * S + s];
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o += i * f;
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}
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}
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}
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output[n * K * OH * OW + k * OH * OW + oh * OW + ow] = o;
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}
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}
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}
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}
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}
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void convolution(
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float *_input, float *_output, float *_filter,
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int _N, int _C, int _H, int _W,
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int _K, int _R, int _S,
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int _pad, int _dilation, int _stride) {
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input = _input;
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output = _output;
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filter = _filter;
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int num_threads = 20;
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OH = (H + 2 * pad - dilation * (R - 1) - 1) / stride + 1;
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OW = (W + 2 * pad - dilation * (S - 1) - 1) / stride + 1;
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// Node가 1 or 2
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// Case 1 ( Node = 2 )
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// N 기준 분할
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if (mpi_rank != 0){
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allc_mat(&input, Ndev, C, H, W);
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&A, M, K);
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// Master Node
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if(mpi_rank == 0 && mpi_world_size == 2){
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MPI_Isend(&offset, 1, MPI_INT, 1, 0, MPI_COMM_WORLD, &request);
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MPI_Isend(&rows, 1, MPI_INT, 1, 0, mtype, MPI_COMM_WORLD, &request);
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MPI_Isend(&A[offset*K], rows*K, MPI_FLOAT, dest, mtype, MPI_COMM_WORLD, &request);
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MPI_Isend(B, K*N, MPI_FLOAT, dest, mtype, MPI_COMM_WORLD, &request);
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mat_mul_omp();
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}
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else if(mpi_rank == 0 && mpi_world_size == 1){
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// Node 1에서만 계산 (MPI_send 없이)
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}
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else if(mpi_rank == 1 && mpi_world_size == 2){
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// Recv 받아서 Calculate 후 전송
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}
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// Slave Node
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else{
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// 남은 Case 존재 X
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}
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}
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void convolution_init(
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int _N, int _C, int _H, int _W,
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int _K, int _R, int _S,
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int _pad, int _dilation, int _stride) {
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N = _N; C = _C; H = _H; W = _W;
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K = _K; R = _R; S = _S;
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pad = _pad;
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dilation = _dilation;
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stride = _stride;
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MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank);
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MPI_Comm_size(MPI_COMM_WORLD, &mpi_world_size);
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// Node가 1 or 2
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// Case 1 ( Node = 2 )
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// N 기준 분할
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int Ndev = N/mpi_world_size;
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// Master Node
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if(mpi_rank == 0 && mpi_world_size == 2){
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);
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}
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else if(mpi_rank == 0 && mpi_world_size == 1){
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// Node 1에서만 계산 (MPI_send 없이)
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}
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else if(mpi_rank == 1 && mpi_world_size == 2){
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// Recv 받아서 Calculate 후 전송
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}
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// Slave Node
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else{
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// 남은 Case 존재 X
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}
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/*
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for(int i=1; i<mpi_world<size; i++){
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MPI_Isend( );
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}
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else{
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MPI_Recv( );
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}
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MPI_Bcast( );
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mat_mul_omp();
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// Gather
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if (mpi_rank == 0){
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MPI_Recv( );
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}
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else{
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MPI_Isend( );
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}
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}*/
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}
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void convolution_final(
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int _N, int _C, int _H, int _W,
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int _K, int _R, int _S,
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int _pad, int _dilation, int _stride) {
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}
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