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This commit is contained in:
Joseph Redmon 2014-12-18 10:47:33 -08:00
parent d6cdea49eb
commit 9e98f1b68e
1 changed files with 6 additions and 5 deletions
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11
src/cnn.c
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@ -151,10 +151,10 @@ void train_imagenet(char *cfgfile)
//network net = parse_network_cfg("/home/pjreddie/imagenet_backup/alexnet_1270.cfg");
srand(time(0));
network net = parse_network_cfg(cfgfile);
set_learning_network(&net, .000001, .9, .0005);
set_learning_network(&net, net.learning_rate, .5, .0005);
printf("Learning Rate: %g, Momentum: %g, Decay: %g\n", net.learning_rate, net.momentum, net.decay);
int imgs = 1024;
int i = 20590;
int i = 23030;
char **labels = get_labels("/home/pjreddie/data/imagenet/cls.labels.list");
list *plist = get_paths("/data/imagenet/cls.train.list");
char **paths = (char **)list_to_array(plist);
@ -177,7 +177,7 @@ void train_imagenet(char *cfgfile)
avg_loss = avg_loss*.9 + loss*.1;
printf("%d: %f, %f avg, %lf seconds, %d images\n", i, loss, avg_loss, sec(clock()-time), i*imgs);
free_data(train);
if(i%10==0){
if(i%100==0){
char buff[256];
sprintf(buff, "/home/pjreddie/imagenet_backup/net_%d.cfg", i);
save_network(net, buff);
@ -370,14 +370,14 @@ void test_nist(char *path)
void train_nist()
{
srand(222222);
network net = parse_network_cfg("cfg/nist.cfg");
network net = parse_network_cfg("cfg/nist.cfg.old");
data train = load_categorical_data_csv("data/mnist/mnist_train.csv", 0, 10);
data test = load_categorical_data_csv("data/mnist/mnist_test.csv",0,10);
normalize_data_rows(train);
normalize_data_rows(test);
int count = 0;
int iters = 60000/net.batch + 1;
while(++count <= 2000){
while(++count <= 200){
clock_t start = clock(), end;
float loss = train_network_sgd(net, train, iters);
end = clock();
@ -385,6 +385,7 @@ void train_nist()
if(count%1 == 0) test_acc = network_accuracy(net, test);
printf("%d: Loss: %f, Test Acc: %f, Time: %lf seconds\n", count, loss, test_acc,(float)(end-start)/CLOCKS_PER_SEC);
}
save_network(net, "~/nist_conv.cfg");
}
void train_nist_distributed(char *address)