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first attempt of C implementation of fec encoder (not tested yet due to NEON/DOT_PROD not being separable)

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Jan Buethe 2022-10-18 19:30:23 +02:00
parent 9629ea6a70
commit c1b357ed47
8 changed files with 417 additions and 2 deletions
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56
dnn/nfec_enc.c Normal file
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#include "nfec_enc.h"
#include "nnet.h"
#include "nfec_enc_data.h"
void nfec_encode_dframe(struct NFECEncState *enc_state, float *latents, float *initial_state, const float *input)
{
float buffer[ENC_DENSE1_OUT_SIZE + ENC_DENSE2_OUT_SIZE + ENC_DENSE3_OUT_SIZE + ENC_DENSE4_OUT_SIZE + ENC_DENSE5_OUT_SIZE + ENC_DENSE6_OUT_SIZE + ENC_DENSE7_OUT_SIZE + ENC_DENSE8_OUT_SIZE + GDENSE1_OUT_SIZE];
int output_index = 0;
int input_index = 0;
/* run encoder stack and concatenate output in buffer*/
compute_dense(&enc_dense1, &buffer[output_index], input);
input_index = output_index;
output_index += ENC_DENSE1_OUT_SIZE;
compute_gru3(&enc_dense2, enc_state->dense2_state, &buffer[input_index]);
memcpy(&buffer[output_index], enc_state->dense2_state, ENC_DENSE2_OUT_SIZE * sizeof(float));
input_index = output_index;
output_index += ENC_DENSE2_OUT_SIZE;
compute_dense(&enc_dense3, &buffer[output_index], &buffer[input_index]);
input_index = output_index;
output_index += ENC_DENSE3_OUT_SIZE;
compute_gru3(&enc_dense4, enc_state->dense4_state, &buffer[input_index]);
memcpy(&buffer[output_index], enc_state->dense4_state, ENC_DENSE4_OUT_SIZE * sizeof(float));
input_index = output_index;
output_index += ENC_DENSE4_OUT_SIZE;
compute_dense(&enc_dense5, &buffer[output_index], &buffer[input_index]);
input_index = output_index;
output_index += ENC_DENSE5_OUT_SIZE;
compute_gru3(&enc_dense6, enc_state->dense6_state, &buffer[input_index]);
memcpy(&buffer[output_index], enc_state->dense6_state, ENC_DENSE6_OUT_SIZE * sizeof(float));
input_index = output_index;
output_index += ENC_DENSE6_OUT_SIZE;
compute_dense(&enc_dense7, &buffer[output_index], &buffer[input_index]);
input_index = output_index;
output_index += ENC_DENSE7_OUT_SIZE;
compute_dense(&enc_dense8, &buffer[output_index], &buffer[input_index]);
output_index += ENC_DENSE8_OUT_SIZE;
/* compute latents from concatenated input buffer */
compute_conv1d(&bits_dense, latents, enc_state->bits_dense_state, buffer);
/* next, calculate initial state */
compute_dense(&gdense1, &buffer[output_index], buffer);
input_index = output_index;
compute_dense(&gdense2, initial_state, &buffer[input_index]);
}