Some fixes to momentum

Joseph Redmon

2014-12-08 a99050f0c8cb0315fa31e3d1fa3e38594fe5e40a

 src/network_gpu.c

@@ -22,7 +22,9 @@
{
    //printf("start\n");
    int i;
   // printf("Truth: %f\n", cl_checksum(truth, 1000*net.batch));
    for(i = 0; i < net.n; ++i){
        //printf("Truth %i: %f\n", i, cl_checksum(truth, 1000*net.batch));
        //clock_t time = clock();
        if(net.types[i] == CONVOLUTIONAL){
            convolutional_layer layer = *(convolutional_layer *)net.layers[i];
@@ -48,6 +50,11 @@
            forward_softmax_layer_gpu(layer, input);
            input = layer.output_cl;
        }
        else if(net.types[i] == DROPOUT){
            if(!train) continue;
            dropout_layer layer = *(dropout_layer *)net.layers[i];
            forward_dropout_layer_gpu(layer, input);
        }
        //printf("%d %f\n", i, sec(clock()-time));
        /*
           else if(net.types[i] == CROP){
@@ -80,7 +87,7 @@
        }
        if(net.types[i] == CONVOLUTIONAL){
            convolutional_layer layer = *(convolutional_layer *)net.layers[i];
            backward_convolutional_layer_gpu(layer, prev_delta);
            backward_convolutional_layer_gpu(layer, prev_input, prev_delta);
        }
        else if(net.types[i] == COST){
            cost_layer layer = *(cost_layer *)net.layers[i];
@@ -134,6 +141,8 @@
    else if(net.types[i] == SOFTMAX){
        softmax_layer layer = *(softmax_layer *)net.layers[i];
        return layer.output_cl;
    } else if(net.types[i] == DROPOUT){
        return get_network_output_cl_layer(net, i-1);
    }
    return 0;
}
@@ -155,6 +164,8 @@
    else if(net.types[i] == SOFTMAX){
        softmax_layer layer = *(softmax_layer *)net.layers[i];
        return layer.delta_cl;
    } else if(net.types[i] == DROPOUT){
        return get_network_delta_cl_layer(net, i-1);
    }
    return 0;
}
@@ -173,14 +184,18 @@
    }
    //printf("trans %f\n", sec(clock()-time));
    //time = clock();

    forward_network_gpu(net, *net.input_cl, *net.truth_cl, 1);

    //printf("forw %f\n", sec(clock()-time));
    //time = clock();
    backward_network_gpu(net, *net.input_cl);
    //printf("back %f\n", sec(clock()-time));
    //time = clock();

    update_network_gpu(net);
    float error = get_network_cost(net);

    //printf("updt %f\n", sec(clock()-time));
    //time = clock();
    return error;