182 lines
5.1 KiB
C++
182 lines
5.1 KiB
C++
#include "convolution.h"
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#include "util.h"
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#include <mpi.h>
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#include <stdio.h>
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#include <immintrin.h>
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#define VEC_BYTE (32)
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#define VEC_SIZE (VEC_BYTE>>2)
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#define VEC_NUM (2)
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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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int sn, en, firstSize, modN;
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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 vec = S % (VEC_SIZE * VEC_NUM);
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MPI_Request request[2];
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MPI_Status status[2];
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if (N > 1)
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{
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if (mpi_rank == 0)
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{
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int snTmp = firstSize;
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int enTmp = N;
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MPI_Isend(input+snTmp*C*H*W, (enTmp-snTmp)*C*H*W, MPI_FLOAT, 1, 0, MPI_COMM_WORLD, &request[0]);
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MPI_Isend(filter, K*C*R*S, MPI_FLOAT, 1, 0, MPI_COMM_WORLD, &request[1]);
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}
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else
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{
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if (modN > 0)
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{
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alloc_tensor(&input, modN, C, H, W);
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alloc_tensor(&output, modN, K, OH, OW);
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alloc_tensor(&filter, K, C, R, S);
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}
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MPI_Irecv(input, modN*C*H*W, MPI_FLOAT, 0, 0, MPI_COMM_WORLD, &request[0]);
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MPI_Irecv(filter, K*C*R*S, MPI_FLOAT, 0, 0, MPI_COMM_WORLD, &request[1]);
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}
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MPI_Waitall(2,request, status);
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}
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if (vec == 0 && stride == 1 && pad == 0 && dilation == 1)
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{
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#pragma omp parallel for collapse(4) schedule(dynamic, 4)
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for (int n = 0; n < modN; ++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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__m256 vo[VEC_NUM];
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vo[0] = _mm256_setzero_ps();
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vo[1] = _mm256_setzero_ps();
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for (int c = 0; c < C; ++c) {
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__m256 vi[VEC_NUM], vf[VEC_NUM];
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for (int r = 0; r < R; r=r+1) {
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for (int s = 0; s < S; s=s+(VEC_SIZE * VEC_NUM)) {
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int h = oh + r;
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int w = ow + s;
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vf[0] = _mm256_load_ps(&filter[k*C*R*S+c*R*S+r*S+s]);
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vf[1] = _mm256_load_ps(&filter[k*C*R*S+c*R*S+r*S+s+8]);
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vi[0] = _mm256_load_ps(&input[n*C*H*W+c*H*W+h*W+w]);
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vi[1] = _mm256_load_ps(&input[n*C*H*W+c*H*W+h*W+w+8]);
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vo[0] = _mm256_fmadd_ps(vf[0],vi[0],vo[0]);
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vo[1] = _mm256_fmadd_ps(vf[1],vi[1],vo[1]);
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}
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}
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}
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vo[0] = _mm256_add_ps(vo[0],vo[1]);
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float *out = (float *)&vo[0];
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out[0] += out[1];
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out[2] += out[3];
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out[4] += out[5];
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out[6] += out[7];
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out[0] += out[2];
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out[4] += out[6];
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out[0] += out[4];
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//alloc_tensor(&out, VEC_SIZE, 1, 1, 1);
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//_mm256_store_ps(out,vo[0]);
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output[n*K*OH*OW+k*OH*OW+oh*OW+ow] = out[0];
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//free(out);
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}
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}
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}
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}
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}
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else
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{
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#pragma omp parallel for collapse(4) schedule(dynamic, 4)
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for (int n = 0; n < modN; ++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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if (N > 1)
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{
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if (mpi_rank == 0)
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{
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int snTmp = firstSize;
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int enTmp = N;
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MPI_Irecv(output+snTmp*K*OH*OW, (enTmp-snTmp)*K*OH*OW, MPI_FLOAT, 1, 0, MPI_COMM_WORLD, &request[0]);
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}
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else
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{
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MPI_Isend(output, modN*K*OH*OW, MPI_FLOAT, 0, 0, MPI_COMM_WORLD, &request[0]);
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}
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MPI_Wait(&request[0], &status[0]);
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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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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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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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firstSize = (N + 1) / mpi_world_size;
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if (mpi_rank == 0)
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{
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sn = 0;
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en = firstSize;
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modN = firstSize;
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}
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else
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{
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sn = firstSize;
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en = N;
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modN = N - firstSize;
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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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if (mpi_rank != 0)
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{
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free(input);
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free(output);
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free(filter);
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}
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}
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