121 lines
3.3 KiB
C++
121 lines
3.3 KiB
C++
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#include "util.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdbool.h>
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#include <math.h>
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#include <sys/time.h>
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#include <omp.h>
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static double start_time[8];
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static double get_time() {
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struct timeval tv;
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gettimeofday(&tv, 0);
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return tv.tv_sec + tv.tv_usec * 1e-6;
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}
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void timer_start(int i) {
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start_time[i] = get_time();
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}
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double timer_stop(int i) {
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return get_time() - start_time[i];
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}
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void check_convolution(float *input, float *output, float *filter,
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int N, int C, int H, int W, int K, int R, int S,
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int pad, int dilation, int stride) {
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printf("Validating...\n");
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int OH = (H + 2 * pad - dilation * (R - 1) - 1) / stride + 1;
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int OW = (W + 2 * pad - dilation * (S - 1) - 1) / stride + 1;
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float *O_ans;
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alloc_tensor(&O_ans, N, K, OH, OW);
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zero_tensor(O_ans, N, K, OH, OW);
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#pragma omp parallel for collapse(2) num_threads(20)
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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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O_ans[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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bool is_valid = true;
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int cnt = 0, thr = 10;
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float eps = 1e-3;
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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 = output[n * K * OH * OW + k * OH * OW + oh * OW + ow];
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float o_ans = O_ans[n * K * OH * OW + k * OH * OW + oh * OW + ow];
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if (fabsf(o - o_ans) > eps && (o_ans == 0 || fabsf((o - o_ans) / o_ans) > eps)) {
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++cnt;
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if (cnt <= thr)
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printf("output[%d][%d][%d][%d] : correct_value = %f, your_value = %f\n", n, k, oh, ow, o_ans, o);
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if (cnt == thr + 1)
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printf("Too many error, only first %d values are printed.\n", thr);
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is_valid = false;
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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 (is_valid) {
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printf("Result: VALID\n");
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} else {
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printf("Result: INVALID\n");
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}
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}
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void alloc_tensor(float **t, int D0, int D1, int D2, int D3) {
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*t = (float *) aligned_alloc(32, sizeof(float) * D0 * D1 * D2 * D3);
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if (*t == NULL) {
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printf("Failed to allocate memory for matrix.\n");
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exit(0);
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}
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}
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void rand_tensor(float *m, int D0, int D1, int D2, int D3) {
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for (int i = 0; i < D0; i++) {
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for (int j = 0; j < D1; j++) {
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for (int k = 0; k < D2; k++) {
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for (int l = 0; l < D3; l++) {
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m[i * D1 * D2 * D3
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+ j * D2 * D3
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+ k * D3
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//+ l] = (float) rand() / RAND_MAX - 0.5;
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+ l] = 1.0;
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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 zero_tensor(float *t, int D0, int D1, int D2, int D3) {
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memset(t, 0, sizeof(float) * D0 * D1 * D2 * D3);
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}
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