Play along w/ alphago

Joseph Redmon

2016-03-15 a392bbd0c957a00e3782c96e7ced84a29ff9dd88

 src/parser.c

@@ -12,6 +12,7 @@
#include "deconvolutional_layer.h"
#include "connected_layer.h"
#include "rnn_layer.h"
#include "crnn_layer.h"
#include "maxpool_layer.h"
#include "softmax_layer.h"
#include "dropout_layer.h"
@@ -36,6 +37,7 @@
int is_deconvolutional(section *s);
int is_connected(section *s);
int is_rnn(section *s);
int is_crnn(section *s);
int is_maxpool(section *s);
int is_avgpool(section *s);
int is_dropout(section *s);
@@ -158,6 +160,7 @@

    convolutional_layer layer = make_convolutional_layer(batch,h,w,c,n,size,stride,pad,activation, batch_normalize, binary);
    layer.flipped = option_find_int_quiet(options, "flipped", 0);
    layer.dot = option_find_float_quiet(options, "dot", 0);

    char *weights = option_find_str(options, "weights", 0);
    char *biases = option_find_str(options, "biases", 0);
@@ -169,6 +172,21 @@
    return layer;
}

layer parse_crnn(list *options, size_params params)
{
    int output_filters = option_find_int(options, "output_filters",1);
    int hidden_filters = option_find_int(options, "hidden_filters",1);
    char *activation_s = option_find_str(options, "activation", "logistic");
    ACTIVATION activation = get_activation(activation_s);
    int batch_normalize = option_find_int_quiet(options, "batch_normalize", 0);

    layer l = make_crnn_layer(params.batch, params.w, params.h, params.c, hidden_filters, output_filters, params.time_steps, activation, batch_normalize);

    l.shortcut = option_find_int_quiet(options, "shortcut", 0);

    return l;
}

layer parse_rnn(list *options, size_params params)
{
    int output = option_find_int(options, "output",1);
@@ -419,6 +437,7 @@
    net->w = option_find_int_quiet(options, "width",0);
    net->c = option_find_int_quiet(options, "channels",0);
    net->inputs = option_find_int_quiet(options, "inputs", net->h * net->w * net->c);
    net->max_crop = option_find_int_quiet(options, "max_crop",net->w*2);

    if(!net->inputs && !(net->h && net->w && net->c)) error("No input parameters supplied");

@@ -501,6 +520,8 @@
            l = parse_deconvolutional(options, params);
        }else if(is_rnn(s)){
            l = parse_rnn(options, params);
        }else if(is_crnn(s)){
            l = parse_crnn(options, params);
        }else if(is_connected(s)){
            l = parse_connected(options, params);
        }else if(is_crop(s)){
@@ -591,6 +612,10 @@
    return (strcmp(s->type, "[net]")==0
            || strcmp(s->type, "[network]")==0);
}
int is_crnn(section *s)
{
    return (strcmp(s->type, "[crnn]")==0);
}
int is_rnn(section *s)
{
    return (strcmp(s->type, "[rnn]")==0);
@@ -705,6 +730,23 @@
    fclose(fp);
}

void save_convolutional_weights(layer l, FILE *fp)
{
#ifdef GPU
    if(gpu_index >= 0){
        pull_convolutional_layer(l);
    }
#endif
    int num = l.n*l.c*l.size*l.size;
    fwrite(l.biases, sizeof(float), l.n, fp);
    if (l.batch_normalize){
        fwrite(l.scales, sizeof(float), l.n, fp);
        fwrite(l.rolling_mean, sizeof(float), l.n, fp);
        fwrite(l.rolling_variance, sizeof(float), l.n, fp);
    }
    fwrite(l.filters, sizeof(float), num, fp);
}

void save_connected_weights(layer l, FILE *fp)
{
#ifdef GPU
@@ -739,25 +781,17 @@
    for(i = 0; i < net.n && i < cutoff; ++i){
        layer l = net.layers[i];
        if(l.type == CONVOLUTIONAL){
#ifdef GPU
            if(gpu_index >= 0){
                pull_convolutional_layer(l);
            }
#endif
            int num = l.n*l.c*l.size*l.size;
            fwrite(l.biases, sizeof(float), l.n, fp);
            if (l.batch_normalize){
                fwrite(l.scales, sizeof(float), l.n, fp);
                fwrite(l.rolling_mean, sizeof(float), l.n, fp);
                fwrite(l.rolling_variance, sizeof(float), l.n, fp);
            }
            fwrite(l.filters, sizeof(float), num, fp);
            save_convolutional_weights(l, fp);
        } if(l.type == CONNECTED){
            save_connected_weights(l, fp);
        } if(l.type == RNN){
            save_connected_weights(*(l.input_layer), fp);
            save_connected_weights(*(l.self_layer), fp);
            save_connected_weights(*(l.output_layer), fp);
        } if(l.type == CRNN){
            save_convolutional_weights(*(l.input_layer), fp);
            save_convolutional_weights(*(l.self_layer), fp);
            save_convolutional_weights(*(l.output_layer), fp);
        } if(l.type == LOCAL){
#ifdef GPU
            if(gpu_index >= 0){
@@ -809,6 +843,35 @@
#endif
}

void load_convolutional_weights(layer l, FILE *fp)
{
    int num = l.n*l.c*l.size*l.size;
    fread(l.biases, sizeof(float), l.n, fp);
    if (l.batch_normalize && (!l.dontloadscales)){
        fread(l.scales, sizeof(float), l.n, fp);
        fread(l.rolling_mean, sizeof(float), l.n, fp);
        fread(l.rolling_variance, sizeof(float), l.n, fp);
        /*
        int i;
        for(i = 0; i < l.n; ++i){
            if(l.rolling_mean[i] > 1 || l.rolling_mean[i] < -1 || l.rolling_variance[i] > 1 || l.rolling_variance[i] < -1)
            printf("%f %f\n", l.rolling_mean[i], l.rolling_variance[i]);
        }
        */
    }
    fflush(stdout);
    fread(l.filters, sizeof(float), num, fp);
    if (l.flipped) {
        transpose_matrix(l.filters, l.c*l.size*l.size, l.n);
    }
#ifdef GPU
    if(gpu_index >= 0){
        push_convolutional_layer(l);
    }
#endif
}


void load_weights_upto(network *net, char *filename, int cutoff)
{
    fprintf(stderr, "Loading weights from %s...", filename);
@@ -830,22 +893,7 @@
        layer l = net->layers[i];
        if (l.dontload) continue;
        if(l.type == CONVOLUTIONAL){
            int num = l.n*l.c*l.size*l.size;
            fread(l.biases, sizeof(float), l.n, fp);
            if (l.batch_normalize && (!l.dontloadscales)){
                fread(l.scales, sizeof(float), l.n, fp);
                fread(l.rolling_mean, sizeof(float), l.n, fp);
                fread(l.rolling_variance, sizeof(float), l.n, fp);
            }
            fread(l.filters, sizeof(float), num, fp);
            if (l.flipped) {
                transpose_matrix(l.filters, l.c*l.size*l.size, l.n);
            }
#ifdef GPU
            if(gpu_index >= 0){
                push_convolutional_layer(l);
            }
#endif
            load_convolutional_weights(l, fp);
        }
        if(l.type == DECONVOLUTIONAL){
            int num = l.n*l.c*l.size*l.size;
@@ -860,6 +908,11 @@
        if(l.type == CONNECTED){
            load_connected_weights(l, fp, transpose);
        }
        if(l.type == CRNN){
            load_convolutional_weights(*(l.input_layer), fp);
            load_convolutional_weights(*(l.self_layer), fp);
            load_convolutional_weights(*(l.output_layer), fp);
        }
        if(l.type == RNN){
            load_connected_weights(*(l.input_layer), fp, transpose);
            load_connected_weights(*(l.self_layer), fp, transpose);