Fine tuning, use stopbackward=1 in the cfg-file in that layer where Backwar...

AlexeyAB

2018-01-04 9ac78d8b84f6a059d2cefe22a10aa60de5b3feaf

 src/network_kernels.cu

@@ -64,6 +64,7 @@
    for(i = net.n-1; i >= 0; --i){
        state.index = i;
        layer l = net.layers[i];
        if (l.stopbackward) break;
        if(i == 0){
            state.input = original_input;
            state.delta = original_delta;