chundoong-lab-ta/SamsungDS22/submissions/final/ss1.eom/tmp-A/back1

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2022-09-29 18:01:45 +09:00
#include "convolution.h"
#include <mpi.h>
#include <stdio.h>
#include "util.h"
static float *input, *output, *filter;
static int N, C, H, W;
static int K, R, S;
static int OH, OW;
static int pad;
static int dilation;
static int stride;
static int mpi_rank, mpi_world_size;
int num_threads = 120;
void convolution(
float *_input, float *_output, float *_filter,
int _N, int _C, int _H, int _W,
int _K, int _R, int _S,
int _pad, int _dilation, int _stride) {
input = _input;
output = _output;
filter = _filter;
int size[2];
MPI_Request request;
MPI_Status status;
if ( mpi_world_size ==2) size[1] = _N/2; //TBC
else size[1] = 0;
size[0] = N - size[1];
OH = (H + 2 * pad - dilation * (R - 1) - 1) / stride + 1;
OW = (W + 2 * pad - dilation * (S - 1) - 1) / stride + 1;
if (mpi_rank == 0 && mpi_world_size ==2)
{
MPI_Isend(&input[size[0]*C*H*W], size[1]*C*H*W, MPI_FLOAT, 1, 0, MPI_COMM_WORLD, &request);
MPI_Isend(filter, K*C*R*S, MPI_FLOAT, 1, 0, MPI_COMM_WORLD, &request);
}
else if(mpi_world_size ==2)
{
alloc_tensor(&input, size[1], C, H, W);
alloc_tensor(&output, size[1], K, OH, OW);
alloc_tensor(&filter, K, C, R, S);
MPI_Recv(input, size[1]*C*H*W, MPI_FLOAT, 0, 0, MPI_COMM_WORLD, &status);
MPI_Recv(filter, K*C*R*S, MPI_FLOAT, 0, 0, MPI_COMM_WORLD, &status);
}
float i[8];
float f[8];
//#pragma omp parallel for num_threads(num_threads) collapse(3) schedule(dynamic)
//#pragma omp parallel for num_threads(num_threads) collapse(3) schedule(dynamic)
#pragma omp parallel for num_threads(num_threads) collapse(3) schedule(dynamic)
for (int oh = 0; oh < OH; ++oh) {
for (int ow = 0; ow < OW; ++ow) {
for (int n = 0; n < size[mpi_rank]; ++n) {
for (int k = 0; k < K; ++k) {
float o = 0.f;
for (int c = 0; c < C; c=c+1) {
for (int r = 0; r < R; ++r) {
int h = oh * stride - pad + r * dilation;
if (h < 0 || h >= H) continue;
for (int s = 0; s < S; ++s) {
int w = ow * stride - pad + s * dilation;
if (w < 0 || w >= W) continue;
float i = input[n * C * H * W + c * H * W + h * W + w];
float f = filter[k * C * R * S + c * R * S + r * S + s];
//i[0] = input[n * C * H * W + c * H * W + h * W + w];
//f[0] = filter[k * C * R * S + c * R * S + r * S + s];
//i[1] = input[n * C * H * W + (c+1) * H * W + h * W + w];
//f[1] = filter[k * C * R * S +(c+1) * R * S + r * S + s];
//i[2] = input[n * C * H * W + (c+2) * H * W + h * W + w];
//f[2] = filter[k * C * R * S +(c+2) * R * S + r * S + s];
//i[3] = input[n * C * H * W + (c+3) * H * W + h * W + w];
//f[3] = filter[k * C * R * S + (c+3) * R * S + r * S + s];
//i[4] = input[n * C * H * W + (c+4) * H * W + h * W + w];
//f[4] = filter[k * C * R * S + (c+4) * R * S + r * S + s];
//i[5] = input[n * C * H * W + (c+5) * H * W + h * W + w];
//f[5] = filter[k * C * R * S + (c+5) * R * S + r * S + s];
//i[6] = input[n * C * H * W + (c+6) * H * W + h * W + w];
//f[6] = filter[k * C * R * S + (c+6) * R * S + r * S + s];
//i[7] = input[n * C * H * W + (c+7) * H * W + h * W + w];
//f[7] = filter[k * C * R * S + (c+7) * R * S + r * S + s];
//o += i[0] * f[0] + i[1] * f[1] + i[2] * f[2] + i[3] * f[3]
// + i[4] * f[4] + i[5] * f[5] + i[6] * f[6] + i[7] * f[7] ;
o += i*f;
}//s
}//r
}//c
output[n * K * OH * OW + k * OH * OW + oh * OW + ow] = o;
}//ow
}//oh
}//k
}//n
if (mpi_rank == 0 && mpi_world_size ==2)
{
MPI_Recv(&output[size[0]*K*OH*OW], size[1]*K*OH*OW, MPI_FLOAT, 1, 0, MPI_COMM_WORLD, &status);
}
else if(mpi_world_size ==2)
{
MPI_Isend(output, size[1]*K*OH*OW, MPI_FLOAT, 0, 0, MPI_COMM_WORLD, &request);
}
}
void convolution_init(
int _N, int _C, int _H, int _W,
int _K, int _R, int _S,
int _pad, int _dilation, int _stride) {
N = _N; C = _C; H = _H; W = _W;
K = _K; R = _R; S = _S;
pad = _pad;
dilation = _dilation;
stride = _stride;
MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank);
MPI_Comm_size(MPI_COMM_WORLD, &mpi_world_size);
}
void convolution_final(
int _N, int _C, int _H, int _W,
int _K, int _R, int _S,
int _pad, int _dilation, int _stride) {
}