170 lines
6.7 KiB
Plaintext
170 lines
6.7 KiB
Plaintext
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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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#include "util.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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int num_threads = 160;
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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 size[2];
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MPI_Request request;
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MPI_Status status;
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if ( mpi_world_size ==2) size[1] = _N/2; //TBC
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else size[1] = 0;
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size[0] = N - size[1];
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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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if (mpi_rank == 0 && mpi_world_size ==2)
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{
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MPI_Isend(&input[size[0]*C*H*W], size[1]*C*H*W, MPI_FLOAT, 1, 0, MPI_COMM_WORLD, &request);
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MPI_Isend(filter, K*C*R*S, MPI_FLOAT, 1, 0, MPI_COMM_WORLD, &request);
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}
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else if(mpi_world_size ==2)
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{
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alloc_tensor(&input, size[1], C, H, W);
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alloc_tensor(&output, size[1], K, OH, OW);
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alloc_tensor(&filter, K, C, R, S);
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MPI_Recv(input, size[1]*C*H*W, MPI_FLOAT, 0, 0, MPI_COMM_WORLD, &status);
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MPI_Recv(filter, K*C*R*S, MPI_FLOAT, 0, 0, MPI_COMM_WORLD, &status);
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}
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if (C%8==0 && R==16 && S==16 && dilation==1 && pad==0 && stride==1)
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{
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//#pragma omp parallel for num_threads(num_threads) collapse(3) schedule(dynamic)
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//#pragma omp parallel for num_threads(num_threads) collapse(3) schedule(dynamic)
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#pragma omp parallel for num_threads(num_threads) collapse(3) schedule(dynamic)
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for (int n = 0; n < size[mpi_rank]; ++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=c+16) {
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for (int c = 0; c < C; c=c+8) {
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for (int r = 0; r < 16; ++r) {
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int h = oh + r;
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//if (h < 0 || h >= H) continue;
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for (int s = 0; s < 16; ++s) {
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int w = ow + s ;
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//if (w < 0 || w >= W) continue;
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float i0 = input[n * C * H * W + c * H * W + h * W + w];
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float f0 = filter[k * C * R * S + c * R * S + r * S + s];
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float i1 = input[n * C * H * W + (c+1) * H * W + h * W + w];
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float f1 = filter[k * C * R * S + (c+1) * R * S + r * S + s];
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float i2 = input[n * C * H * W + (c+2) * H * W + h * W + w];
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float f2 = filter[k * C * R * S + (c+2) * R * S + r * S + s];
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float i3 = input[n * C * H * W + (c+3) * H * W + h * W + w];
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float f3 = filter[k * C * R * S + (c+3) * R * S + r * S + s];
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float i4 = input[n * C * H * W + (c+4) * H * W + h * W + w];
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float f4 = filter[k * C * R * S + (c+4) * R * S + r * S + s];
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float i5 = input[n * C * H * W + (c+5) * H * W + h * W + w];
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float f5 = filter[k * C * R * S + (c+5) * R * S + r * S + s];
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float i6 = input[n * C * H * W + (c+6) * H * W + h * W + w];
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float f6 = filter[k * C * R * S + (c+6) * R * S + r * S + s];
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float i7 = input[n * C * H * W + (c+7) * H * W + h * W + w];
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float f7 = filter[k * C * R * S + (c+7) * R * S + r * S + s];
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//float i8 = input[n * C * H * W + (c+8) * H * W + h * W + w];
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//float f8 = filter[k * C * R * S + (c+8) * R * S + r * S + s];
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//float i9 = input[n * C * H * W + (c+9) * H * W + h * W + w];
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//float f9 = filter[k * C * R * S + (c+9) * R * S + r * S + s];
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//float i10 = input[n * C * H * W + (c+10) * H * W + h * W + w];
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//float f10 = filter[k * C * R * S + (c+10) * R * S + r * S + s];
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//float i11 = input[n * C * H * W + (c+11) * H * W + h * W + w];
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//float f11 = filter[k * C * R * S + (c+11) * R * S + r * S + s];
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//float i12 = input[n * C * H * W + (c+12) * H * W + h * W + w];
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//float f12 = filter[k * C * R * S + (c+12) * R * S + r * S + s];
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//float i13 = input[n * C * H * W + (c+13) * H * W + h * W + w];
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//float f13 = filter[k * C * R * S + (c+13) * R * S + r * S + s];
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//float i14 = input[n * C * H * W + (c+14) * H * W + h * W + w];
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//float f14 = filter[k * C * R * S + (c+14) * R * S + r * S + s];
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//float i15 = input[n * C * H * W + (c+15) * H * W + h * W + w];
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//float f15 = filter[k * C * R * S + (c+15) * R * S + r * S + s];
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//o += i0*f0 + i1*f1 + i2*f2 + i3*f3 + i4*f4 + i5*f5 + i6*f6 + i7*f7
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// +i8*f8 + i9*f9 + i10*f10 + i11*f11 + i12*f12 + i13*f13 + i14*f14 + i15*f15 ;
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o += i0*f0 + i1*f1 + i2*f2 + i3*f3 + i4*f4 + i5*f5 + i6*f6 + i7*f7;
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}//s
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}//r
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}//c
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output[n * K * OH * OW + k * OH * OW + oh * OW + ow] = o;
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}//ow
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}//oh
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}//k
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}//n
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}
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else
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{
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#pragma omp parallel for num_threads(num_threads) collapse(3) schedule(dynamic)
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for (int n = 0; n < size[mpi_rank]; ++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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}//s
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}//r
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}//c
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output[n * K * OH * OW + k * OH * OW + oh * OW + ow] = o;
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}//ow
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}//oh
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}//k
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}//n
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}
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if (mpi_rank == 0 && mpi_world_size ==2)
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{
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MPI_Recv(&output[size[0]*K*OH*OW], size[1]*K*OH*OW, MPI_FLOAT, 1, 0, MPI_COMM_WORLD, &status);
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}
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else if(mpi_world_size ==2)
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{
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MPI_Isend(output, size[1]*K*OH*OW, MPI_FLOAT, 0, 0, MPI_COMM_WORLD, &request);
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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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}
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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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