| | |
| | | #include <stdio.h> |
| | | #include <time.h> |
| | | #include <assert.h> |
| | | #include "network.h" |
| | | #include "image.h" |
| | | #include "data.h" |
| | | #include "utils.h" |
| | | #include "blas.h" |
| | | |
| | | #include "crop_layer.h" |
| | | #include "connected_layer.h" |
| | | #include "gru_layer.h" |
| | | #include "rnn_layer.h" |
| | | #include "crnn_layer.h" |
| | | #include "local_layer.h" |
| | | #include "convolutional_layer.h" |
| | | #include "maxpool_layer.h" |
| | | #include "cost_layer.h" |
| | | #include "activation_layer.h" |
| | | #include "detection_layer.h" |
| | | #include "region_layer.h" |
| | | #include "normalization_layer.h" |
| | | #include "freeweight_layer.h" |
| | | #include "batchnorm_layer.h" |
| | | #include "maxpool_layer.h" |
| | | #include "reorg_layer.h" |
| | | #include "avgpool_layer.h" |
| | | #include "cost_layer.h" |
| | | #include "softmax_layer.h" |
| | | #include "dropout_layer.h" |
| | | #include "route_layer.h" |
| | | #include "shortcut_layer.h" |
| | | #include "yolo_layer.h" |
| | | |
| | | network make_network(int n, int batch) |
| | | int get_current_batch(network net) |
| | | { |
| | | network net; |
| | | net.n = n; |
| | | net.batch = batch; |
| | | net.layers = calloc(net.n, sizeof(void *)); |
| | | net.types = calloc(net.n, sizeof(LAYER_TYPE)); |
| | | net.outputs = 0; |
| | | net.output = 0; |
| | | int batch_num = (*net.seen)/(net.batch*net.subdivisions); |
| | | return batch_num; |
| | | } |
| | | |
| | | void reset_momentum(network net) |
| | | { |
| | | if (net.momentum == 0) return; |
| | | net.learning_rate = 0; |
| | | net.momentum = 0; |
| | | net.decay = 0; |
| | | #ifdef GPU |
| | | net.input_cl = calloc(1, sizeof(cl_mem)); |
| | | net.truth_cl = calloc(1, sizeof(cl_mem)); |
| | | //if(net.gpu_index >= 0) update_network_gpu(net); |
| | | #endif |
| | | } |
| | | |
| | | float get_current_rate(network net) |
| | | { |
| | | int batch_num = get_current_batch(net); |
| | | int i; |
| | | float rate; |
| | | if (batch_num < net.burn_in) return net.learning_rate * pow((float)batch_num / net.burn_in, net.power); |
| | | switch (net.policy) { |
| | | case CONSTANT: |
| | | return net.learning_rate; |
| | | case STEP: |
| | | return net.learning_rate * pow(net.scale, batch_num/net.step); |
| | | case STEPS: |
| | | rate = net.learning_rate; |
| | | for(i = 0; i < net.num_steps; ++i){ |
| | | if(net.steps[i] > batch_num) return rate; |
| | | rate *= net.scales[i]; |
| | | //if(net.steps[i] > batch_num - 1 && net.scales[i] > 1) reset_momentum(net); |
| | | } |
| | | return rate; |
| | | case EXP: |
| | | return net.learning_rate * pow(net.gamma, batch_num); |
| | | case POLY: |
| | | return net.learning_rate * pow(1 - (float)batch_num / net.max_batches, net.power); |
| | | //if (batch_num < net.burn_in) return net.learning_rate * pow((float)batch_num / net.burn_in, net.power); |
| | | //return net.learning_rate * pow(1 - (float)batch_num / net.max_batches, net.power); |
| | | case RANDOM: |
| | | return net.learning_rate * pow(rand_uniform(0,1), net.power); |
| | | case SIG: |
| | | return net.learning_rate * (1./(1.+exp(net.gamma*(batch_num - net.step)))); |
| | | default: |
| | | fprintf(stderr, "Policy is weird!\n"); |
| | | return net.learning_rate; |
| | | } |
| | | } |
| | | |
| | | char *get_layer_string(LAYER_TYPE a) |
| | | { |
| | | switch(a){ |
| | | case CONVOLUTIONAL: |
| | | return "convolutional"; |
| | | case ACTIVE: |
| | | return "activation"; |
| | | case LOCAL: |
| | | return "local"; |
| | | case DECONVOLUTIONAL: |
| | | return "deconvolutional"; |
| | | case CONNECTED: |
| | | return "connected"; |
| | | case RNN: |
| | | return "rnn"; |
| | | case GRU: |
| | | return "gru"; |
| | | case CRNN: |
| | | return "crnn"; |
| | | case MAXPOOL: |
| | | return "maxpool"; |
| | | case REORG: |
| | | return "reorg"; |
| | | case AVGPOOL: |
| | | return "avgpool"; |
| | | case SOFTMAX: |
| | | return "softmax"; |
| | | case DETECTION: |
| | | return "detection"; |
| | | case REGION: |
| | | return "region"; |
| | | case DROPOUT: |
| | | return "dropout"; |
| | | case CROP: |
| | | return "crop"; |
| | | case COST: |
| | | return "cost"; |
| | | case ROUTE: |
| | | return "route"; |
| | | case SHORTCUT: |
| | | return "shortcut"; |
| | | case NORMALIZATION: |
| | | return "normalization"; |
| | | case BATCHNORM: |
| | | return "batchnorm"; |
| | | default: |
| | | break; |
| | | } |
| | | return "none"; |
| | | } |
| | | |
| | | network make_network(int n) |
| | | { |
| | | network net = {0}; |
| | | net.n = n; |
| | | net.layers = calloc(net.n, sizeof(layer)); |
| | | net.seen = calloc(1, sizeof(int)); |
| | | #ifdef GPU |
| | | net.input_gpu = calloc(1, sizeof(float *)); |
| | | net.truth_gpu = calloc(1, sizeof(float *)); |
| | | |
| | | net.input16_gpu = calloc(1, sizeof(float *)); |
| | | net.output16_gpu = calloc(1, sizeof(float *)); |
| | | net.max_input16_size = calloc(1, sizeof(size_t)); |
| | | net.max_output16_size = calloc(1, sizeof(size_t)); |
| | | #endif |
| | | return net; |
| | | } |
| | | |
| | | |
| | | void forward_network(network net, float *input, float *truth, int train) |
| | | void forward_network(network net, network_state state) |
| | | { |
| | | state.workspace = net.workspace; |
| | | int i; |
| | | for(i = 0; i < net.n; ++i){ |
| | | if(net.types[i] == CONVOLUTIONAL){ |
| | | convolutional_layer layer = *(convolutional_layer *)net.layers[i]; |
| | | forward_convolutional_layer(layer, input); |
| | | input = layer.output; |
| | | state.index = i; |
| | | layer l = net.layers[i]; |
| | | if(l.delta){ |
| | | scal_cpu(l.outputs * l.batch, 0, l.delta, 1); |
| | | } |
| | | else if(net.types[i] == CONNECTED){ |
| | | connected_layer layer = *(connected_layer *)net.layers[i]; |
| | | forward_connected_layer(layer, input); |
| | | input = layer.output; |
| | | } |
| | | else if(net.types[i] == CROP){ |
| | | crop_layer layer = *(crop_layer *)net.layers[i]; |
| | | forward_crop_layer(layer, input); |
| | | input = layer.output; |
| | | } |
| | | else if(net.types[i] == COST){ |
| | | cost_layer layer = *(cost_layer *)net.layers[i]; |
| | | forward_cost_layer(layer, input, truth); |
| | | } |
| | | else if(net.types[i] == SOFTMAX){ |
| | | softmax_layer layer = *(softmax_layer *)net.layers[i]; |
| | | forward_softmax_layer(layer, input); |
| | | input = layer.output; |
| | | } |
| | | else if(net.types[i] == MAXPOOL){ |
| | | maxpool_layer layer = *(maxpool_layer *)net.layers[i]; |
| | | forward_maxpool_layer(layer, input); |
| | | input = layer.output; |
| | | } |
| | | else if(net.types[i] == NORMALIZATION){ |
| | | normalization_layer layer = *(normalization_layer *)net.layers[i]; |
| | | forward_normalization_layer(layer, input); |
| | | input = layer.output; |
| | | } |
| | | else if(net.types[i] == DROPOUT){ |
| | | if(!train) continue; |
| | | dropout_layer layer = *(dropout_layer *)net.layers[i]; |
| | | forward_dropout_layer(layer, input); |
| | | input = layer.output; |
| | | } |
| | | else if(net.types[i] == FREEWEIGHT){ |
| | | if(!train) continue; |
| | | freeweight_layer layer = *(freeweight_layer *)net.layers[i]; |
| | | forward_freeweight_layer(layer, input); |
| | | } |
| | | l.forward(l, state); |
| | | state.input = l.output; |
| | | } |
| | | } |
| | | |
| | | void update_network(network net) |
| | | { |
| | | int i; |
| | | int update_batch = net.batch*net.subdivisions; |
| | | float rate = get_current_rate(net); |
| | | for(i = 0; i < net.n; ++i){ |
| | | if(net.types[i] == CONVOLUTIONAL){ |
| | | convolutional_layer layer = *(convolutional_layer *)net.layers[i]; |
| | | update_convolutional_layer(layer); |
| | | } |
| | | else if(net.types[i] == MAXPOOL){ |
| | | //maxpool_layer layer = *(maxpool_layer *)net.layers[i]; |
| | | } |
| | | else if(net.types[i] == SOFTMAX){ |
| | | //maxpool_layer layer = *(maxpool_layer *)net.layers[i]; |
| | | } |
| | | else if(net.types[i] == NORMALIZATION){ |
| | | //maxpool_layer layer = *(maxpool_layer *)net.layers[i]; |
| | | } |
| | | else if(net.types[i] == CONNECTED){ |
| | | connected_layer layer = *(connected_layer *)net.layers[i]; |
| | | update_connected_layer(layer); |
| | | layer l = net.layers[i]; |
| | | if(l.update){ |
| | | l.update(l, update_batch, rate, net.momentum, net.decay); |
| | | } |
| | | } |
| | | } |
| | | |
| | | float *get_network_output_layer(network net, int i) |
| | | { |
| | | if(net.types[i] == CONVOLUTIONAL){ |
| | | convolutional_layer layer = *(convolutional_layer *)net.layers[i]; |
| | | return layer.output; |
| | | } else if(net.types[i] == MAXPOOL){ |
| | | maxpool_layer layer = *(maxpool_layer *)net.layers[i]; |
| | | return layer.output; |
| | | } else if(net.types[i] == SOFTMAX){ |
| | | softmax_layer layer = *(softmax_layer *)net.layers[i]; |
| | | return layer.output; |
| | | } else if(net.types[i] == DROPOUT){ |
| | | dropout_layer layer = *(dropout_layer *)net.layers[i]; |
| | | return layer.output; |
| | | } else if(net.types[i] == FREEWEIGHT){ |
| | | return get_network_output_layer(net, i-1); |
| | | } else if(net.types[i] == CONNECTED){ |
| | | connected_layer layer = *(connected_layer *)net.layers[i]; |
| | | return layer.output; |
| | | } else if(net.types[i] == CROP){ |
| | | crop_layer layer = *(crop_layer *)net.layers[i]; |
| | | return layer.output; |
| | | } else if(net.types[i] == NORMALIZATION){ |
| | | normalization_layer layer = *(normalization_layer *)net.layers[i]; |
| | | return layer.output; |
| | | } |
| | | return 0; |
| | | } |
| | | float *get_network_output(network net) |
| | | { |
| | | #ifdef GPU |
| | | if (gpu_index >= 0) return get_network_output_gpu(net); |
| | | #endif |
| | | int i; |
| | | for(i = net.n-1; i > 0; --i) if(net.types[i] != COST) break; |
| | | return get_network_output_layer(net, i); |
| | | } |
| | | |
| | | float *get_network_delta_layer(network net, int i) |
| | | { |
| | | if(net.types[i] == CONVOLUTIONAL){ |
| | | convolutional_layer layer = *(convolutional_layer *)net.layers[i]; |
| | | return layer.delta; |
| | | } else if(net.types[i] == MAXPOOL){ |
| | | maxpool_layer layer = *(maxpool_layer *)net.layers[i]; |
| | | return layer.delta; |
| | | } else if(net.types[i] == SOFTMAX){ |
| | | softmax_layer layer = *(softmax_layer *)net.layers[i]; |
| | | return layer.delta; |
| | | } else if(net.types[i] == DROPOUT){ |
| | | if(i == 0) return 0; |
| | | return get_network_delta_layer(net, i-1); |
| | | } else if(net.types[i] == FREEWEIGHT){ |
| | | return get_network_delta_layer(net, i-1); |
| | | } else if(net.types[i] == CONNECTED){ |
| | | connected_layer layer = *(connected_layer *)net.layers[i]; |
| | | return layer.delta; |
| | | } |
| | | return 0; |
| | | for(i = net.n-1; i > 0; --i) if(net.layers[i].type != COST) break; |
| | | return net.layers[i].output; |
| | | } |
| | | |
| | | float get_network_cost(network net) |
| | | { |
| | | if(net.types[net.n-1] == COST){ |
| | | return ((cost_layer *)net.layers[net.n-1])->output[0]; |
| | | } |
| | | return 0; |
| | | } |
| | | |
| | | float *get_network_delta(network net) |
| | | { |
| | | return get_network_delta_layer(net, net.n-1); |
| | | } |
| | | |
| | | float calculate_error_network(network net, float *truth) |
| | | { |
| | | float sum = 0; |
| | | float *delta = get_network_delta(net); |
| | | float *out = get_network_output(net); |
| | | int i; |
| | | for(i = 0; i < get_network_output_size(net)*net.batch; ++i){ |
| | | //if(i %get_network_output_size(net) == 0) printf("\n"); |
| | | //printf("%5.2f %5.2f, ", out[i], truth[i]); |
| | | //if(i == get_network_output_size(net)) printf("\n"); |
| | | delta[i] = truth[i] - out[i]; |
| | | //printf("%.10f, ", out[i]); |
| | | sum += delta[i]*delta[i]; |
| | | float sum = 0; |
| | | int count = 0; |
| | | for(i = 0; i < net.n; ++i){ |
| | | if(net.layers[i].cost){ |
| | | sum += net.layers[i].cost[0]; |
| | | ++count; |
| | | } |
| | | } |
| | | //printf("\n"); |
| | | return sum; |
| | | return sum/count; |
| | | } |
| | | |
| | | int get_predicted_class_network(network net) |
| | |
| | | return max_index(out, k); |
| | | } |
| | | |
| | | void backward_network(network net, float *input) |
| | | void backward_network(network net, network_state state) |
| | | { |
| | | int i; |
| | | float *prev_input; |
| | | float *prev_delta; |
| | | float *original_input = state.input; |
| | | float *original_delta = state.delta; |
| | | state.workspace = net.workspace; |
| | | for(i = net.n-1; i >= 0; --i){ |
| | | state.index = i; |
| | | if(i == 0){ |
| | | prev_input = input; |
| | | prev_delta = 0; |
| | | state.input = original_input; |
| | | state.delta = original_delta; |
| | | }else{ |
| | | prev_input = get_network_output_layer(net, i-1); |
| | | prev_delta = get_network_delta_layer(net, i-1); |
| | | layer prev = net.layers[i-1]; |
| | | state.input = prev.output; |
| | | state.delta = prev.delta; |
| | | } |
| | | if(net.types[i] == CONVOLUTIONAL){ |
| | | convolutional_layer layer = *(convolutional_layer *)net.layers[i]; |
| | | backward_convolutional_layer(layer, prev_input, prev_delta); |
| | | } |
| | | else if(net.types[i] == MAXPOOL){ |
| | | maxpool_layer layer = *(maxpool_layer *)net.layers[i]; |
| | | if(i != 0) backward_maxpool_layer(layer, prev_delta); |
| | | } |
| | | else if(net.types[i] == DROPOUT){ |
| | | dropout_layer layer = *(dropout_layer *)net.layers[i]; |
| | | backward_dropout_layer(layer, prev_delta); |
| | | } |
| | | else if(net.types[i] == NORMALIZATION){ |
| | | normalization_layer layer = *(normalization_layer *)net.layers[i]; |
| | | if(i != 0) backward_normalization_layer(layer, prev_input, prev_delta); |
| | | } |
| | | else if(net.types[i] == SOFTMAX){ |
| | | softmax_layer layer = *(softmax_layer *)net.layers[i]; |
| | | if(i != 0) backward_softmax_layer(layer, prev_delta); |
| | | } |
| | | else if(net.types[i] == CONNECTED){ |
| | | connected_layer layer = *(connected_layer *)net.layers[i]; |
| | | backward_connected_layer(layer, prev_input, prev_delta); |
| | | } |
| | | else if(net.types[i] == COST){ |
| | | cost_layer layer = *(cost_layer *)net.layers[i]; |
| | | backward_cost_layer(layer, prev_input, prev_delta); |
| | | } |
| | | layer l = net.layers[i]; |
| | | if (l.stopbackward) break; |
| | | l.backward(l, state); |
| | | } |
| | | } |
| | | |
| | | float train_network_datum(network net, float *x, float *y) |
| | | { |
| | | #ifdef GPU |
| | | #ifdef GPU |
| | | if(gpu_index >= 0) return train_network_datum_gpu(net, x, y); |
| | | #endif |
| | | forward_network(net, x, y, 1); |
| | | backward_network(net, x); |
| | | #endif |
| | | network_state state; |
| | | *net.seen += net.batch; |
| | | state.index = 0; |
| | | state.net = net; |
| | | state.input = x; |
| | | state.delta = 0; |
| | | state.truth = y; |
| | | state.train = 1; |
| | | forward_network(net, state); |
| | | backward_network(net, state); |
| | | float error = get_network_cost(net); |
| | | update_network(net); |
| | | if(((*net.seen)/net.batch)%net.subdivisions == 0) update_network(net); |
| | | return error; |
| | | } |
| | | |
| | |
| | | |
| | | float train_network(network net, data d) |
| | | { |
| | | assert(d.X.rows % net.batch == 0); |
| | | int batch = net.batch; |
| | | int n = d.X.rows / batch; |
| | | float *X = calloc(batch*d.X.cols, sizeof(float)); |
| | |
| | | return (float)sum/(n*batch); |
| | | } |
| | | |
| | | |
| | | float train_network_batch(network net, data d, int n) |
| | | { |
| | | int i,j; |
| | | network_state state; |
| | | state.index = 0; |
| | | state.net = net; |
| | | state.train = 1; |
| | | state.delta = 0; |
| | | float sum = 0; |
| | | int batch = 2; |
| | | for(i = 0; i < n; ++i){ |
| | | for(j = 0; j < batch; ++j){ |
| | | int index = rand()%d.X.rows; |
| | | float *x = d.X.vals[index]; |
| | | float *y = d.y.vals[index]; |
| | | forward_network(net, x, y, 1); |
| | | backward_network(net, x); |
| | | state.input = d.X.vals[index]; |
| | | state.truth = d.y.vals[index]; |
| | | forward_network(net, state); |
| | | backward_network(net, state); |
| | | sum += get_network_cost(net); |
| | | } |
| | | update_network(net); |
| | |
| | | return (float)sum/(n*batch); |
| | | } |
| | | |
| | | void set_learning_network(network *net, float rate, float momentum, float decay) |
| | | { |
| | | int i; |
| | | net->learning_rate=rate; |
| | | net->momentum = momentum; |
| | | net->decay = decay; |
| | | for(i = 0; i < net->n; ++i){ |
| | | if(net->types[i] == CONVOLUTIONAL){ |
| | | convolutional_layer *layer = (convolutional_layer *)net->layers[i]; |
| | | layer->learning_rate=rate; |
| | | layer->momentum = momentum; |
| | | layer->decay = decay; |
| | | } |
| | | else if(net->types[i] == CONNECTED){ |
| | | connected_layer *layer = (connected_layer *)net->layers[i]; |
| | | layer->learning_rate=rate; |
| | | layer->momentum = momentum; |
| | | layer->decay = decay; |
| | | } |
| | | } |
| | | } |
| | | |
| | | |
| | | void set_batch_network(network *net, int b) |
| | | { |
| | | net->batch = b; |
| | | int i; |
| | | for(i = 0; i < net->n; ++i){ |
| | | if(net->types[i] == CONVOLUTIONAL){ |
| | | convolutional_layer *layer = (convolutional_layer *)net->layers[i]; |
| | | layer->batch = b; |
| | | net->layers[i].batch = b; |
| | | #ifdef CUDNN |
| | | if(net->layers[i].type == CONVOLUTIONAL){ |
| | | cudnn_convolutional_setup(net->layers + i, cudnn_fastest); |
| | | /* |
| | | layer *l = net->layers + i; |
| | | cudnn_convolutional_setup(l, cudnn_fastest); |
| | | // check for excessive memory consumption |
| | | size_t free_byte; |
| | | size_t total_byte; |
| | | check_error(cudaMemGetInfo(&free_byte, &total_byte)); |
| | | if (l->workspace_size > free_byte || l->workspace_size >= total_byte / 2) { |
| | | printf(" used slow CUDNN algo without Workspace! \n"); |
| | | cudnn_convolutional_setup(l, cudnn_smallest); |
| | | l->workspace_size = get_workspace_size(*l); |
| | | } |
| | | */ |
| | | } |
| | | else if(net->types[i] == MAXPOOL){ |
| | | maxpool_layer *layer = (maxpool_layer *)net->layers[i]; |
| | | layer->batch = b; |
| | | } |
| | | else if(net->types[i] == CONNECTED){ |
| | | connected_layer *layer = (connected_layer *)net->layers[i]; |
| | | layer->batch = b; |
| | | } else if(net->types[i] == DROPOUT){ |
| | | dropout_layer *layer = (dropout_layer *) net->layers[i]; |
| | | layer->batch = b; |
| | | } |
| | | else if(net->types[i] == FREEWEIGHT){ |
| | | freeweight_layer *layer = (freeweight_layer *) net->layers[i]; |
| | | layer->batch = b; |
| | | } |
| | | else if(net->types[i] == SOFTMAX){ |
| | | softmax_layer *layer = (softmax_layer *)net->layers[i]; |
| | | layer->batch = b; |
| | | } |
| | | else if(net->types[i] == COST){ |
| | | cost_layer *layer = (cost_layer *)net->layers[i]; |
| | | layer->batch = b; |
| | | } |
| | | #endif |
| | | } |
| | | } |
| | | |
| | | |
| | | int get_network_input_size_layer(network net, int i) |
| | | int resize_network(network *net, int w, int h) |
| | | { |
| | | if(net.types[i] == CONVOLUTIONAL){ |
| | | convolutional_layer layer = *(convolutional_layer *)net.layers[i]; |
| | | return layer.h*layer.w*layer.c; |
| | | #ifdef GPU |
| | | cuda_set_device(net->gpu_index); |
| | | if(gpu_index >= 0){ |
| | | cuda_free(net->workspace); |
| | | if (net->input_gpu) { |
| | | cuda_free(*net->input_gpu); |
| | | *net->input_gpu = 0; |
| | | cuda_free(*net->truth_gpu); |
| | | *net->truth_gpu = 0; |
| | | } |
| | | } |
| | | else if(net.types[i] == MAXPOOL){ |
| | | maxpool_layer layer = *(maxpool_layer *)net.layers[i]; |
| | | return layer.h*layer.w*layer.c; |
| | | } |
| | | else if(net.types[i] == CONNECTED){ |
| | | connected_layer layer = *(connected_layer *)net.layers[i]; |
| | | return layer.inputs; |
| | | } else if(net.types[i] == DROPOUT){ |
| | | dropout_layer layer = *(dropout_layer *) net.layers[i]; |
| | | return layer.inputs; |
| | | } else if(net.types[i] == CROP){ |
| | | crop_layer layer = *(crop_layer *) net.layers[i]; |
| | | return layer.c*layer.h*layer.w; |
| | | } |
| | | else if(net.types[i] == FREEWEIGHT){ |
| | | freeweight_layer layer = *(freeweight_layer *) net.layers[i]; |
| | | return layer.inputs; |
| | | } |
| | | else if(net.types[i] == SOFTMAX){ |
| | | softmax_layer layer = *(softmax_layer *)net.layers[i]; |
| | | return layer.inputs; |
| | | } |
| | | printf("Can't find input size\n"); |
| | | return 0; |
| | | } |
| | | |
| | | int get_network_output_size_layer(network net, int i) |
| | | { |
| | | if(net.types[i] == CONVOLUTIONAL){ |
| | | convolutional_layer layer = *(convolutional_layer *)net.layers[i]; |
| | | image output = get_convolutional_image(layer); |
| | | return output.h*output.w*output.c; |
| | | } |
| | | else if(net.types[i] == MAXPOOL){ |
| | | maxpool_layer layer = *(maxpool_layer *)net.layers[i]; |
| | | image output = get_maxpool_image(layer); |
| | | return output.h*output.w*output.c; |
| | | } |
| | | else if(net.types[i] == CROP){ |
| | | crop_layer layer = *(crop_layer *) net.layers[i]; |
| | | return layer.c*layer.crop_height*layer.crop_width; |
| | | } |
| | | else if(net.types[i] == CONNECTED){ |
| | | connected_layer layer = *(connected_layer *)net.layers[i]; |
| | | return layer.outputs; |
| | | } |
| | | else if(net.types[i] == DROPOUT){ |
| | | dropout_layer layer = *(dropout_layer *) net.layers[i]; |
| | | return layer.inputs; |
| | | } |
| | | else if(net.types[i] == FREEWEIGHT){ |
| | | freeweight_layer layer = *(freeweight_layer *) net.layers[i]; |
| | | return layer.inputs; |
| | | } |
| | | else if(net.types[i] == SOFTMAX){ |
| | | softmax_layer layer = *(softmax_layer *)net.layers[i]; |
| | | return layer.inputs; |
| | | } |
| | | printf("Can't find output size\n"); |
| | | return 0; |
| | | } |
| | | |
| | | int resize_network(network net, int h, int w, int c) |
| | | { |
| | | #endif |
| | | int i; |
| | | for (i = 0; i < net.n; ++i){ |
| | | if(net.types[i] == CONVOLUTIONAL){ |
| | | convolutional_layer *layer = (convolutional_layer *)net.layers[i]; |
| | | resize_convolutional_layer(layer, h, w, c); |
| | | image output = get_convolutional_image(*layer); |
| | | h = output.h; |
| | | w = output.w; |
| | | c = output.c; |
| | | }else if(net.types[i] == MAXPOOL){ |
| | | maxpool_layer *layer = (maxpool_layer *)net.layers[i]; |
| | | resize_maxpool_layer(layer, h, w, c); |
| | | image output = get_maxpool_image(*layer); |
| | | h = output.h; |
| | | w = output.w; |
| | | c = output.c; |
| | | }else if(net.types[i] == NORMALIZATION){ |
| | | normalization_layer *layer = (normalization_layer *)net.layers[i]; |
| | | resize_normalization_layer(layer, h, w, c); |
| | | image output = get_normalization_image(*layer); |
| | | h = output.h; |
| | | w = output.w; |
| | | c = output.c; |
| | | //if(w == net->w && h == net->h) return 0; |
| | | net->w = w; |
| | | net->h = h; |
| | | int inputs = 0; |
| | | size_t workspace_size = 0; |
| | | //fprintf(stderr, "Resizing to %d x %d...\n", w, h); |
| | | //fflush(stderr); |
| | | for (i = 0; i < net->n; ++i){ |
| | | layer l = net->layers[i]; |
| | | //printf(" %d: layer = %d,", i, l.type); |
| | | if(l.type == CONVOLUTIONAL){ |
| | | resize_convolutional_layer(&l, w, h); |
| | | }else if(l.type == CROP){ |
| | | resize_crop_layer(&l, w, h); |
| | | }else if(l.type == MAXPOOL){ |
| | | resize_maxpool_layer(&l, w, h); |
| | | }else if(l.type == REGION){ |
| | | resize_region_layer(&l, w, h); |
| | | }else if (l.type == YOLO) { |
| | | resize_yolo_layer(&l, w, h); |
| | | }else if(l.type == ROUTE){ |
| | | resize_route_layer(&l, net); |
| | | }else if (l.type == SHORTCUT) { |
| | | resize_shortcut_layer(&l, w, h); |
| | | }else if (l.type == UPSAMPLE) { |
| | | resize_upsample_layer(&l, w, h); |
| | | }else if(l.type == REORG){ |
| | | resize_reorg_layer(&l, w, h); |
| | | }else if(l.type == AVGPOOL){ |
| | | resize_avgpool_layer(&l, w, h); |
| | | }else if(l.type == NORMALIZATION){ |
| | | resize_normalization_layer(&l, w, h); |
| | | }else if(l.type == COST){ |
| | | resize_cost_layer(&l, inputs); |
| | | }else{ |
| | | fprintf(stderr, "Resizing type %d \n", (int)l.type); |
| | | error("Cannot resize this type of layer"); |
| | | } |
| | | if(l.workspace_size > workspace_size) workspace_size = l.workspace_size; |
| | | inputs = l.outputs; |
| | | net->layers[i] = l; |
| | | w = l.out_w; |
| | | h = l.out_h; |
| | | if(l.type == AVGPOOL) break; |
| | | } |
| | | #ifdef GPU |
| | | if(gpu_index >= 0){ |
| | | printf(" try to allocate workspace = %zu * sizeof(float), ", (workspace_size - 1) / sizeof(float) + 1); |
| | | net->workspace = cuda_make_array(0, (workspace_size-1)/sizeof(float)+1); |
| | | printf(" CUDA allocate done! \n"); |
| | | }else { |
| | | free(net->workspace); |
| | | net->workspace = calloc(1, workspace_size); |
| | | } |
| | | #else |
| | | free(net->workspace); |
| | | net->workspace = calloc(1, workspace_size); |
| | | #endif |
| | | //fprintf(stderr, " Done!\n"); |
| | | return 0; |
| | | } |
| | | |
| | | int get_network_output_size(network net) |
| | | { |
| | | int i; |
| | | for(i = net.n-1; i > 0; --i) if(net.types[i] != COST) break; |
| | | return get_network_output_size_layer(net, i); |
| | | for(i = net.n-1; i > 0; --i) if(net.layers[i].type != COST) break; |
| | | return net.layers[i].outputs; |
| | | } |
| | | |
| | | int get_network_input_size(network net) |
| | | { |
| | | return get_network_input_size_layer(net, 0); |
| | | return net.layers[0].inputs; |
| | | } |
| | | |
| | | detection_layer get_network_detection_layer(network net) |
| | | { |
| | | int i; |
| | | for(i = 0; i < net.n; ++i){ |
| | | if(net.layers[i].type == DETECTION){ |
| | | return net.layers[i]; |
| | | } |
| | | } |
| | | fprintf(stderr, "Detection layer not found!!\n"); |
| | | detection_layer l = {0}; |
| | | return l; |
| | | } |
| | | |
| | | image get_network_image_layer(network net, int i) |
| | | { |
| | | if(net.types[i] == CONVOLUTIONAL){ |
| | | convolutional_layer layer = *(convolutional_layer *)net.layers[i]; |
| | | return get_convolutional_image(layer); |
| | | layer l = net.layers[i]; |
| | | if (l.out_w && l.out_h && l.out_c){ |
| | | return float_to_image(l.out_w, l.out_h, l.out_c, l.output); |
| | | } |
| | | else if(net.types[i] == MAXPOOL){ |
| | | maxpool_layer layer = *(maxpool_layer *)net.layers[i]; |
| | | return get_maxpool_image(layer); |
| | | } |
| | | else if(net.types[i] == NORMALIZATION){ |
| | | normalization_layer layer = *(normalization_layer *)net.layers[i]; |
| | | return get_normalization_image(layer); |
| | | } |
| | | else if(net.types[i] == CROP){ |
| | | crop_layer layer = *(crop_layer *)net.layers[i]; |
| | | return get_crop_image(layer); |
| | | } |
| | | return make_empty_image(0,0,0); |
| | | image def = {0}; |
| | | return def; |
| | | } |
| | | |
| | | image get_network_image(network net) |
| | |
| | | image m = get_network_image_layer(net, i); |
| | | if(m.h != 0) return m; |
| | | } |
| | | return make_empty_image(0,0,0); |
| | | image def = {0}; |
| | | return def; |
| | | } |
| | | |
| | | void visualize_network(network net) |
| | |
| | | image *prev = 0; |
| | | int i; |
| | | char buff[256]; |
| | | //show_image(get_network_image_layer(net, 0), "Crop"); |
| | | for(i = 0; i < net.n; ++i){ |
| | | sprintf(buff, "Layer %d", i); |
| | | if(net.types[i] == CONVOLUTIONAL){ |
| | | convolutional_layer layer = *(convolutional_layer *)net.layers[i]; |
| | | prev = visualize_convolutional_layer(layer, buff, prev); |
| | | } |
| | | if(net.types[i] == NORMALIZATION){ |
| | | normalization_layer layer = *(normalization_layer *)net.layers[i]; |
| | | visualize_normalization_layer(layer, buff); |
| | | layer l = net.layers[i]; |
| | | if(l.type == CONVOLUTIONAL){ |
| | | prev = visualize_convolutional_layer(l, buff, prev); |
| | | } |
| | | } |
| | | } |
| | |
| | | |
| | | float *network_predict(network net, float *input) |
| | | { |
| | | #ifdef GPU |
| | | if(gpu_index >= 0) return network_predict_gpu(net, input); |
| | | #endif |
| | | #ifdef GPU |
| | | if(gpu_index >= 0) return network_predict_gpu(net, input); |
| | | #endif |
| | | |
| | | forward_network(net, input, 0, 0); |
| | | network_state state; |
| | | state.net = net; |
| | | state.index = 0; |
| | | state.input = input; |
| | | state.truth = 0; |
| | | state.train = 0; |
| | | state.delta = 0; |
| | | forward_network(net, state); |
| | | float *out = get_network_output(net); |
| | | return out; |
| | | } |
| | | |
| | | int num_detections(network *net, float thresh) |
| | | { |
| | | int i; |
| | | int s = 0; |
| | | for (i = 0; i < net->n; ++i) { |
| | | layer l = net->layers[i]; |
| | | if (l.type == YOLO) { |
| | | s += yolo_num_detections(l, thresh); |
| | | } |
| | | if (l.type == DETECTION || l.type == REGION) { |
| | | s += l.w*l.h*l.n; |
| | | } |
| | | } |
| | | return s; |
| | | } |
| | | |
| | | detection *make_network_boxes(network *net, float thresh, int *num) |
| | | { |
| | | layer l = net->layers[net->n - 1]; |
| | | int i; |
| | | int nboxes = num_detections(net, thresh); |
| | | if (num) *num = nboxes; |
| | | detection *dets = calloc(nboxes, sizeof(detection)); |
| | | for (i = 0; i < nboxes; ++i) { |
| | | dets[i].prob = calloc(l.classes, sizeof(float)); |
| | | if (l.coords > 4) { |
| | | dets[i].mask = calloc(l.coords - 4, sizeof(float)); |
| | | } |
| | | } |
| | | return dets; |
| | | } |
| | | |
| | | |
| | | void custom_get_region_detections(layer l, int w, int h, int net_w, int net_h, float thresh, int *map, float hier, int relative, detection *dets, int letter) |
| | | { |
| | | box *boxes = calloc(l.w*l.h*l.n, sizeof(box)); |
| | | float **probs = calloc(l.w*l.h*l.n, sizeof(float *)); |
| | | int i, j; |
| | | for (j = 0; j < l.w*l.h*l.n; ++j) probs[j] = calloc(l.classes, sizeof(float *)); |
| | | get_region_boxes(l, 1, 1, thresh, probs, boxes, 0, map); |
| | | for (j = 0; j < l.w*l.h*l.n; ++j) { |
| | | dets[j].classes = l.classes; |
| | | dets[j].bbox = boxes[j]; |
| | | dets[j].objectness = 1; |
| | | for (i = 0; i < l.classes; ++i) { |
| | | dets[j].prob[i] = probs[j][i]; |
| | | } |
| | | } |
| | | |
| | | free(boxes); |
| | | free_ptrs((void **)probs, l.w*l.h*l.n); |
| | | } |
| | | |
| | | void fill_network_boxes(network *net, int w, int h, float thresh, float hier, int *map, int relative, detection *dets, int letter) |
| | | { |
| | | int j; |
| | | for (j = 0; j < net->n; ++j) { |
| | | layer l = net->layers[j]; |
| | | if (l.type == YOLO) { |
| | | int count = get_yolo_detections(l, w, h, net->w, net->h, thresh, map, relative, dets, letter); |
| | | dets += count; |
| | | } |
| | | if (l.type == REGION) { |
| | | custom_get_region_detections(l, w, h, net->w, net->h, thresh, map, hier, relative, dets, letter); |
| | | //get_region_detections(l, w, h, net->w, net->h, thresh, map, hier, relative, dets); |
| | | dets += l.w*l.h*l.n; |
| | | } |
| | | if (l.type == DETECTION) { |
| | | get_detection_detections(l, w, h, thresh, dets); |
| | | dets += l.w*l.h*l.n; |
| | | } |
| | | } |
| | | } |
| | | |
| | | detection *get_network_boxes(network *net, int w, int h, float thresh, float hier, int *map, int relative, int *num, int letter) |
| | | { |
| | | detection *dets = make_network_boxes(net, thresh, num); |
| | | fill_network_boxes(net, w, h, thresh, hier, map, relative, dets, letter); |
| | | return dets; |
| | | } |
| | | |
| | | void free_detections(detection *dets, int n) |
| | | { |
| | | int i; |
| | | for (i = 0; i < n; ++i) { |
| | | free(dets[i].prob); |
| | | if (dets[i].mask) free(dets[i].mask); |
| | | } |
| | | free(dets); |
| | | } |
| | | |
| | | float *network_predict_image(network *net, image im) |
| | | { |
| | | image imr = letterbox_image(im, net->w, net->h); |
| | | set_batch_network(net, 1); |
| | | float *p = network_predict(*net, imr.data); |
| | | free_image(imr); |
| | | return p; |
| | | } |
| | | |
| | | int network_width(network *net) { return net->w; } |
| | | int network_height(network *net) { return net->h; } |
| | | |
| | | matrix network_predict_data_multi(network net, data test, int n) |
| | | { |
| | | int i,j,b,m; |
| | |
| | | { |
| | | int i,j; |
| | | for(i = 0; i < net.n; ++i){ |
| | | float *output = 0; |
| | | int n = 0; |
| | | if(net.types[i] == CONVOLUTIONAL){ |
| | | convolutional_layer layer = *(convolutional_layer *)net.layers[i]; |
| | | output = layer.output; |
| | | image m = get_convolutional_image(layer); |
| | | n = m.h*m.w*m.c; |
| | | } |
| | | else if(net.types[i] == MAXPOOL){ |
| | | maxpool_layer layer = *(maxpool_layer *)net.layers[i]; |
| | | output = layer.output; |
| | | image m = get_maxpool_image(layer); |
| | | n = m.h*m.w*m.c; |
| | | } |
| | | else if(net.types[i] == CROP){ |
| | | crop_layer layer = *(crop_layer *)net.layers[i]; |
| | | output = layer.output; |
| | | image m = get_crop_image(layer); |
| | | n = m.h*m.w*m.c; |
| | | } |
| | | else if(net.types[i] == CONNECTED){ |
| | | connected_layer layer = *(connected_layer *)net.layers[i]; |
| | | output = layer.output; |
| | | n = layer.outputs; |
| | | } |
| | | else if(net.types[i] == SOFTMAX){ |
| | | softmax_layer layer = *(softmax_layer *)net.layers[i]; |
| | | output = layer.output; |
| | | n = layer.inputs; |
| | | } |
| | | layer l = net.layers[i]; |
| | | float *output = l.output; |
| | | int n = l.outputs; |
| | | float mean = mean_array(output, n); |
| | | float vari = variance_array(output, n); |
| | | fprintf(stderr, "Layer %d - Mean: %f, Variance: %f\n",i,mean, vari); |
| | |
| | | return acc; |
| | | } |
| | | |
| | | float *network_accuracies(network net, data d) |
| | | float *network_accuracies(network net, data d, int n) |
| | | { |
| | | static float acc[2]; |
| | | matrix guess = network_predict_data(net, d); |
| | | acc[0] = matrix_topk_accuracy(d.y, guess,1); |
| | | acc[1] = matrix_topk_accuracy(d.y, guess,5); |
| | | acc[0] = matrix_topk_accuracy(d.y, guess, 1); |
| | | acc[1] = matrix_topk_accuracy(d.y, guess, n); |
| | | free_matrix(guess); |
| | | return acc; |
| | | } |
| | | |
| | | |
| | | float network_accuracy_multi(network net, data d, int n) |
| | | { |
| | | matrix guess = network_predict_data_multi(net, d, n); |
| | |
| | | return acc; |
| | | } |
| | | |
| | | void free_network(network net) |
| | | { |
| | | int i; |
| | | for (i = 0; i < net.n; ++i) { |
| | | free_layer(net.layers[i]); |
| | | } |
| | | free(net.layers); |
| | | #ifdef GPU |
| | | if (gpu_index >= 0) cuda_free(net.workspace); |
| | | else free(net.workspace); |
| | | if (*net.input_gpu) cuda_free(*net.input_gpu); |
| | | if (*net.truth_gpu) cuda_free(*net.truth_gpu); |
| | | if (net.input_gpu) free(net.input_gpu); |
| | | if (net.truth_gpu) free(net.truth_gpu); |
| | | |
| | | if (*net.input16_gpu) cuda_free(*net.input16_gpu); |
| | | if (*net.output16_gpu) cuda_free(*net.output16_gpu); |
| | | if (net.input16_gpu) free(net.input16_gpu); |
| | | if (net.output16_gpu) free(net.output16_gpu); |
| | | if (net.max_input16_size) free(net.max_input16_size); |
| | | if (net.max_output16_size) free(net.max_output16_size); |
| | | #else |
| | | free(net.workspace); |
| | | #endif |
| | | } |
| | | |
| | | |
| | | void fuse_conv_batchnorm(network net) |
| | | { |
| | | int j; |
| | | for (j = 0; j < net.n; ++j) { |
| | | layer *l = &net.layers[j]; |
| | | |
| | | if (l->type == CONVOLUTIONAL) { |
| | | //printf(" Merges Convolutional-%d and batch_norm \n", j); |
| | | |
| | | if (l->batch_normalize) { |
| | | int f; |
| | | for (f = 0; f < l->n; ++f) |
| | | { |
| | | l->biases[f] = l->biases[f] - l->scales[f] * l->rolling_mean[f] / (sqrtf(l->rolling_variance[f]) + .000001f); |
| | | |
| | | const size_t filter_size = l->size*l->size*l->c; |
| | | int i; |
| | | for (i = 0; i < filter_size; ++i) { |
| | | int w_index = f*filter_size + i; |
| | | |
| | | l->weights[w_index] = l->weights[w_index] * l->scales[f] / (sqrtf(l->rolling_variance[f]) + .000001f); |
| | | } |
| | | } |
| | | |
| | | l->batch_normalize = 0; |
| | | #ifdef GPU |
| | | if (gpu_index >= 0) { |
| | | push_convolutional_layer(*l); |
| | | } |
| | | #endif |
| | | } |
| | | } |
| | | else { |
| | | //printf(" Fusion skip layer type: %d \n", l->type); |
| | | } |
| | | } |
| | | } |