From ae43c2bc32fbb838bfebeeaf2c2b058ccab5c83c Mon Sep 17 00:00:00 2001
From: Joseph Redmon <pjreddie@burninator.cs.washington.edu>
Date: Thu, 23 Jun 2016 05:31:14 +0000
Subject: [PATCH] hi

---
 src/network.c |  694 ++++++++++++++++++++++++---------------------------------
 1 files changed, 296 insertions(+), 398 deletions(-)

diff --git a/src/network.c b/src/network.c
index 01a6128..a9e5027 100644
--- a/src/network.c
+++ b/src/network.c
@@ -4,36 +4,105 @@
 #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 "activation_layer.h"
 #include "deconvolutional_layer.h"
 #include "detection_layer.h"
-#include "maxpool_layer.h"
-#include "cost_layer.h"
 #include "normalization_layer.h"
+#include "batchnorm_layer.h"
+#include "maxpool_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"
+
+int get_current_batch(network net)
+{
+    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
+        if(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;
+    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) reset_momentum(net);
+            }
+            return rate;
+        case EXP:
+            return net.learning_rate * pow(net.gamma, batch_num);
+        case POLY:
+            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 AVGPOOL:
+            return "avgpool";
         case SOFTMAX:
             return "softmax";
         case DETECTION:
             return "detection";
-        case NORMALIZATION:
-            return "normalization";
         case DROPOUT:
             return "dropout";
         case CROP:
@@ -42,6 +111,12 @@
             return "cost";
         case ROUTE:
             return "route";
+        case SHORTCUT:
+            return "shortcut";
+        case NORMALIZATION:
+            return "normalization";
+        case BATCHNORM:
+            return "batchnorm";
         default:
             break;
     }
@@ -50,16 +125,10 @@
 
 network make_network(int n)
 {
-    network net;
+    network net = {0};
     net.n = n;
-    net.layers = calloc(net.n, sizeof(void *));
-    net.types = calloc(net.n, sizeof(LAYER_TYPE));
-    net.outputs = 0;
-    net.output = 0;
-    net.seen = 0;
-    net.batch = 0;
-    net.inputs = 0;
-    net.h = net.w = net.c = 0;
+    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 *));
@@ -69,42 +138,54 @@
 
 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){
-            forward_convolutional_layer(*(convolutional_layer *)net.layers[i], state);
+        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] == DECONVOLUTIONAL){
-            forward_deconvolutional_layer(*(deconvolutional_layer *)net.layers[i], state);
+        if(l.type == CONVOLUTIONAL){
+            forward_convolutional_layer(l, state);
+        } else if(l.type == DECONVOLUTIONAL){
+            forward_deconvolutional_layer(l, state);
+        } else if(l.type == ACTIVE){
+            forward_activation_layer(l, state);
+        } else if(l.type == LOCAL){
+            forward_local_layer(l, state);
+        } else if(l.type == NORMALIZATION){
+            forward_normalization_layer(l, state);
+        } else if(l.type == BATCHNORM){
+            forward_batchnorm_layer(l, state);
+        } else if(l.type == DETECTION){
+            forward_detection_layer(l, state);
+        } else if(l.type == CONNECTED){
+            forward_connected_layer(l, state);
+        } else if(l.type == RNN){
+            forward_rnn_layer(l, state);
+        } else if(l.type == GRU){
+            forward_gru_layer(l, state);
+        } else if(l.type == CRNN){
+            forward_crnn_layer(l, state);
+        } else if(l.type == CROP){
+            forward_crop_layer(l, state);
+        } else if(l.type == COST){
+            forward_cost_layer(l, state);
+        } else if(l.type == SOFTMAX){
+            forward_softmax_layer(l, state);
+        } else if(l.type == MAXPOOL){
+            forward_maxpool_layer(l, state);
+        } else if(l.type == AVGPOOL){
+            forward_avgpool_layer(l, state);
+        } else if(l.type == DROPOUT){
+            forward_dropout_layer(l, state);
+        } else if(l.type == ROUTE){
+            forward_route_layer(l, net);
+        } else if(l.type == SHORTCUT){
+            forward_shortcut_layer(l, state);
         }
-        else if(net.types[i] == DETECTION){
-            forward_detection_layer(*(detection_layer *)net.layers[i], state);
-        }
-        else if(net.types[i] == CONNECTED){
-            forward_connected_layer(*(connected_layer *)net.layers[i], state);
-        }
-        else if(net.types[i] == CROP){
-            forward_crop_layer(*(crop_layer *)net.layers[i], state);
-        }
-        else if(net.types[i] == COST){
-            forward_cost_layer(*(cost_layer *)net.layers[i], state);
-        }
-        else if(net.types[i] == SOFTMAX){
-            forward_softmax_layer(*(softmax_layer *)net.layers[i], state);
-        }
-        else if(net.types[i] == MAXPOOL){
-            forward_maxpool_layer(*(maxpool_layer *)net.layers[i], state);
-        }
-        else if(net.types[i] == NORMALIZATION){
-            forward_normalization_layer(*(normalization_layer *)net.layers[i], state);
-        }
-        else if(net.types[i] == DROPOUT){
-            forward_dropout_layer(*(dropout_layer *)net.layers[i], state);
-        }
-        else if(net.types[i] == ROUTE){
-            forward_route_layer(*(route_layer *)net.layers[i], net);
-        }
-        state.input = get_network_output_layer(net, i);
+        state.input = l.output;
     }
 }
 
@@ -112,98 +193,53 @@
 {
     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, update_batch, net.learning_rate, net.momentum, net.decay);
-        }
-        else if(net.types[i] == DECONVOLUTIONAL){
-            deconvolutional_layer layer = *(deconvolutional_layer *)net.layers[i];
-            update_deconvolutional_layer(layer, net.learning_rate, net.momentum, net.decay);
-        }
-        else if(net.types[i] == CONNECTED){
-            connected_layer layer = *(connected_layer *)net.layers[i];
-            update_connected_layer(layer, update_batch, net.learning_rate, net.momentum, net.decay);
+        layer l = net.layers[i];
+        if(l.type == CONVOLUTIONAL){
+            update_convolutional_layer(l, update_batch, rate, net.momentum, net.decay);
+        } else if(l.type == DECONVOLUTIONAL){
+            update_deconvolutional_layer(l, rate, net.momentum, net.decay);
+        } else if(l.type == CONNECTED){
+            update_connected_layer(l, update_batch, rate, net.momentum, net.decay);
+        } else if(l.type == RNN){
+            update_rnn_layer(l, update_batch, rate, net.momentum, net.decay);
+        } else if(l.type == GRU){
+            update_gru_layer(l, update_batch, rate, net.momentum, net.decay);
+        } else if(l.type == CRNN){
+            update_crnn_layer(l, update_batch, rate, net.momentum, net.decay);
+        } else if(l.type == LOCAL){
+            update_local_layer(l, update_batch, rate, net.momentum, net.decay);
         }
     }
 }
 
-float *get_network_output_layer(network net, int i)
-{
-    if(net.types[i] == CONVOLUTIONAL){
-        return ((convolutional_layer *)net.layers[i]) -> output;
-    } else if(net.types[i] == DECONVOLUTIONAL){
-        return ((deconvolutional_layer *)net.layers[i]) -> output;
-    } else if(net.types[i] == MAXPOOL){
-        return ((maxpool_layer *)net.layers[i]) -> output;
-    } else if(net.types[i] == DETECTION){
-        return ((detection_layer *)net.layers[i]) -> output;
-    } else if(net.types[i] == SOFTMAX){
-        return ((softmax_layer *)net.layers[i]) -> output;
-    } else if(net.types[i] == DROPOUT){
-        return get_network_output_layer(net, i-1);
-    } else if(net.types[i] == CONNECTED){
-        return ((connected_layer *)net.layers[i]) -> output;
-    } else if(net.types[i] == CROP){
-        return ((crop_layer *)net.layers[i]) -> output;
-    } else if(net.types[i] == NORMALIZATION){
-        return ((normalization_layer *)net.layers[i]) -> output;
-    } else if(net.types[i] == ROUTE){
-        return ((route_layer *)net.layers[i]) -> output;
-    }
-    return 0;
-}
-
 float *get_network_output(network net)
 {
+    #ifdef GPU
+        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] == DECONVOLUTIONAL){
-        deconvolutional_layer layer = *(deconvolutional_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] == DETECTION){
-        detection_layer layer = *(detection_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] == CONNECTED){
-        connected_layer layer = *(connected_layer *)net.layers[i];
-        return layer.delta;
-    } else if(net.types[i] == ROUTE){
-        return ((route_layer *)net.layers[i]) -> 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];
+    int i;
+    float sum = 0;
+    int count = 0;
+    for(i = 0; i < net.n; ++i){
+        if(net.layers[i].type == COST){
+            sum += net.layers[i].cost[0];
+            ++count;
+        }
+        if(net.layers[i].type == DETECTION){
+            sum += net.layers[i].cost[0];
+            ++count;
+        }
     }
-    if(net.types[net.n-1] == DETECTION){
-        return ((detection_layer *)net.layers[net.n-1])->cost[0];
-    }
-    return 0;
-}
-
-float *get_network_delta(network net)
-{
-    return get_network_delta_layer(net, net.n-1);
+    return sum/count;
 }
 
 int get_predicted_class_network(network net)
@@ -217,68 +253,76 @@
 {
     int i;
     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){
             state.input = original_input;
-            state.delta = 0;
+            state.delta = original_delta;
         }else{
-            state.input = get_network_output_layer(net, i-1);
-            state.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, state);
-        } else if(net.types[i] == DECONVOLUTIONAL){
-            deconvolutional_layer layer = *(deconvolutional_layer *)net.layers[i];
-            backward_deconvolutional_layer(layer, state);
-        }
-        else if(net.types[i] == MAXPOOL){
-            maxpool_layer layer = *(maxpool_layer *)net.layers[i];
-            if(i != 0) backward_maxpool_layer(layer, state);
-        }
-        else if(net.types[i] == DROPOUT){
-            dropout_layer layer = *(dropout_layer *)net.layers[i];
-            backward_dropout_layer(layer, state);
-        }
-        else if(net.types[i] == DETECTION){
-            detection_layer layer = *(detection_layer *)net.layers[i];
-            backward_detection_layer(layer, state);
-        }
-        else if(net.types[i] == NORMALIZATION){
-            normalization_layer layer = *(normalization_layer *)net.layers[i];
-            if(i != 0) backward_normalization_layer(layer, state);
-        }
-        else if(net.types[i] == SOFTMAX){
-            softmax_layer layer = *(softmax_layer *)net.layers[i];
-            if(i != 0) backward_softmax_layer(layer, state);
-        }
-        else if(net.types[i] == CONNECTED){
-            connected_layer layer = *(connected_layer *)net.layers[i];
-            backward_connected_layer(layer, state);
-        } else if(net.types[i] == COST){
-            cost_layer layer = *(cost_layer *)net.layers[i];
-            backward_cost_layer(layer, state);
-        } else if(net.types[i] == ROUTE){
-            route_layer layer = *(route_layer *)net.layers[i];
-            backward_route_layer(layer, net);
+        layer l = net.layers[i];
+        if(l.type == CONVOLUTIONAL){
+            backward_convolutional_layer(l, state);
+        } else if(l.type == DECONVOLUTIONAL){
+            backward_deconvolutional_layer(l, state);
+        } else if(l.type == ACTIVE){
+            backward_activation_layer(l, state);
+        } else if(l.type == NORMALIZATION){
+            backward_normalization_layer(l, state);
+        } else if(l.type == BATCHNORM){
+            backward_batchnorm_layer(l, state);
+        } else if(l.type == MAXPOOL){
+            if(i != 0) backward_maxpool_layer(l, state);
+        } else if(l.type == AVGPOOL){
+            backward_avgpool_layer(l, state);
+        } else if(l.type == DROPOUT){
+            backward_dropout_layer(l, state);
+        } else if(l.type == DETECTION){
+            backward_detection_layer(l, state);
+        } else if(l.type == SOFTMAX){
+            if(i != 0) backward_softmax_layer(l, state);
+        } else if(l.type == CONNECTED){
+            backward_connected_layer(l, state);
+        } else if(l.type == RNN){
+            backward_rnn_layer(l, state);
+        } else if(l.type == GRU){
+            backward_gru_layer(l, state);
+        } else if(l.type == CRNN){
+            backward_crnn_layer(l, state);
+        } else if(l.type == LOCAL){
+            backward_local_layer(l, state);
+        } else if(l.type == COST){
+            backward_cost_layer(l, state);
+        } else if(l.type == ROUTE){
+            backward_route_layer(l, net);
+        } else if(l.type == SHORTCUT){
+            backward_shortcut_layer(l, state);
         }
     }
 }
 
 float train_network_datum(network net, float *x, float *y)
 {
-    #ifdef GPU
+    *net.seen += net.batch;
+#ifdef GPU
     if(gpu_index >= 0) return train_network_datum_gpu(net, x, y);
-    #endif
+#endif
     network_state state;
+    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);
-    if((net.seen/net.batch)%net.subdivisions == 0) update_network(net);
+    if(((*net.seen)/net.batch)%net.subdivisions == 0) update_network(net);
     return error;
 }
 
@@ -291,7 +335,6 @@
     int i;
     float sum = 0;
     for(i = 0; i < n; ++i){
-        net.seen += batch;
         get_random_batch(d, batch, X, y);
         float err = train_network_datum(net, X, y);
         sum += err;
@@ -312,7 +355,6 @@
     float sum = 0;
     for(i = 0; i < n; ++i){
         get_next_batch(d, batch, i*batch, X, y);
-        net.seen += batch;
         float err = train_network_datum(net, X, y);
         sum += err;
     }
@@ -325,7 +367,10 @@
 {
     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){
@@ -347,224 +392,93 @@
     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;
-        }else if(net->types[i] == DECONVOLUTIONAL){
-            deconvolutional_layer *layer = (deconvolutional_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);
         }
-        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] == DETECTION){
-            detection_layer *layer = (detection_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;
-        }
-        else if(net->types[i] == CROP){
-            crop_layer *layer = (crop_layer *)net->layers[i];
-            layer->batch = b;
-        }
-        else if(net->types[i] == ROUTE){
-            route_layer *layer = (route_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;
-    }
-    if(net.types[i] == DECONVOLUTIONAL){
-        deconvolutional_layer layer = *(deconvolutional_layer *)net.layers[i];
-        return layer.h*layer.w*layer.c;
-    }
-    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] == DETECTION){
-        detection_layer layer = *(detection_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] == SOFTMAX){
-        softmax_layer layer = *(softmax_layer *)net.layers[i];
-        return layer.inputs;
-    }
-    fprintf(stderr, "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] == DECONVOLUTIONAL){
-        deconvolutional_layer layer = *(deconvolutional_layer *)net.layers[i];
-        image output = get_deconvolutional_image(layer);
-        return output.h*output.w*output.c;
-    }
-    else if(net.types[i] == DETECTION){
-        detection_layer layer = *(detection_layer *)net.layers[i];
-        return get_detection_layer_output_size(layer);
-    }
-    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] == SOFTMAX){
-        softmax_layer layer = *(softmax_layer *)net.layers[i];
-        return layer.inputs;
-    }
-    else if(net.types[i] == ROUTE){
-        route_layer layer = *(route_layer *)net.layers[i];
-        return layer.outputs;
-    }
-    fprintf(stderr, "Can't find output size\n");
-    return 0;
-}
-
-int resize_network(network net, int h, int w, int c)
-{
-    fprintf(stderr, "Might be broken, careful!!");
     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);
-            image output = get_convolutional_image(*layer);
-            h = output.h;
-            w = output.w;
-            c = output.c;
-        } else if(net.types[i] == DECONVOLUTIONAL){
-            deconvolutional_layer *layer = (deconvolutional_layer *)net.layers[i];
-            resize_deconvolutional_layer(layer, h, w);
-            image output = get_deconvolutional_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);
-            image output = get_maxpool_image(*layer);
-            h = output.h;
-            w = output.w;
-            c = output.c;
-        }else if(net.types[i] == DROPOUT){
-            dropout_layer *layer = (dropout_layer *)net.layers[i];
-            resize_dropout_layer(layer, h*w*c);
-        }else if(net.types[i] == NORMALIZATION){
-            normalization_layer *layer = (normalization_layer *)net.layers[i];
-            resize_normalization_layer(layer, h, w);
-            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...", w, h);
+    //fflush(stderr);
+    for (i = 0; i < net->n; ++i){
+        layer l = net->layers[i];
+        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 == 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{
             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
+        cuda_free(net->workspace);
+        net->workspace = cuda_make_array(0, (workspace_size-1)/sizeof(float)+1);
+#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)
+detection_layer get_network_detection_layer(network net)
 {
     int i;
     for(i = 0; i < net.n; ++i){
-        if(net.types[i] == DETECTION){
-            detection_layer *layer = (detection_layer *)net.layers[i];
-            return layer;
+        if(net.layers[i].type == DETECTION){
+            return net.layers[i];
         }
     }
-    return 0;
+    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] == DECONVOLUTIONAL){
-        deconvolutional_layer layer = *(deconvolutional_layer *)net.layers[i];
-        return get_deconvolutional_image(layer);
-    }
-    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] == DROPOUT){
-        return get_network_image_layer(net, i-1);
-    }
-    else if(net.types[i] == CROP){
-        crop_layer layer = *(crop_layer *)net.layers[i];
-        return get_crop_image(layer);
-    }
-    else if(net.types[i] == ROUTE){
-        route_layer layer = *(route_layer *)net.layers[i];
-        return get_network_image_layer(net, layer.input_layers[0]);
-    }
-    return make_empty_image(0,0,0);
+    image def = {0};
+    return def;
 }
 
 image get_network_image(network net)
@@ -574,7 +488,8 @@
         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)
@@ -582,16 +497,11 @@
     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);
         }
     } 
 }
@@ -611,6 +521,8 @@
 #endif
 
     network_state state;
+    state.net = net;
+    state.index = 0;
     state.input = input;
     state.truth = 0;
     state.train = 0;
@@ -672,36 +584,9 @@
 {
     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);
@@ -745,12 +630,12 @@
     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;
 }
@@ -764,4 +649,17 @@
     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(*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);
+    #endif
+}

--
Gitblit v1.10.0