network with Py Torch Prediction CharRNN Prediction Flow
- Slides: 28
network with Py. Torch (Prediction)
Char_RNN • Prediction Flow • sample(net, 1000, ‘Anna’, 5) (model, size, prime, top_k) sample GPU Check predict for: prime predict for: size 2
Char_RNN • Prediction Flow • predict(net, ‘A’, h, 5) (model, char, h, top_k) predict Char to One-hot vector Model Softmax topk random. choice 3
Char_RNN • def sample • sample(net, 1000, ‘Anna’, 5) 4
Char_RNN • def sample • sample(net, 1000, ‘Anna’, 5) chars A predict n n a , while: prime 5
Char_RNN • def sample • sample(net, 1000, ‘Anna’, 5) chars A n n a , ‘ ‘. join predict while: size 6
Char_RNN • def predict • predict(net, ‘A’, h, 5) 7
Char_RNN • def predict x : char 의 onehotvector inputs : x의 type이 tensor Char to Onehotvector 8
Char_RNN • def predict 9
Char_RNN • def predict 10
Char_RNN • def predict Model 11
Char_RNN • def predict 43 21 33 81 17 22 … 45 82 28 (1, 83) Softmax 12
Char_RNN • def predict Softmax 13
Char_RNN • sum with dim T 1 T 2 T 3 T 4 Sum(dim=0) (2, 2) T 1 (1, 2) T 2 T 3 T 4 (2, 2) T 1+T 3 T 2+T 4 Sum(dim=1) T 1+T 2 T 3+T 4 (2, 1) 14/27
Char_RNN • Softmax dim 15/27
Char_RNN • def predict • top_k = 5 topk 16
Char_RNN • topk • Example top_k = 1 17
Char_RNN • def predict • top_k = 5 randomchoice 18
Char_RNN • def predict • top_k = 5 random. choice randomchoice top_ch 14 33 76 25 70 p 0. 3629 0. 1676 0. 1318 0. 0714 0. 0398 19
Char_RNN • 1005 chars A n n 5 a , w i t 1, 000 h … r 20
Char_RNN • 1005 chars 21
Char_RNN • 1005 chars • ’ ’. join() 22
Thank You
Char_RNN • topk • top_k = 5 24
Char_RNN • sum with dim • 3 d 인 경우 (2, 2, 2) T 1 T 3 T 5 T 2 T 7 T 4 T 6 T 8 T 8 Sum(dim=0) T 1+T 5 T 2+T 6 T 3+T 7 T 4+T 8 Sum(dim=1) T 1+T 3 T 2+T 4 T 5+T 7 T 6+T 8 Sum(dim=2) (2, 2) T 1+T 2 T 3+T 4 T 5+T 6 T 7+T 8 (2, 2)
Char_RNN • Softmax with dim default • 2 d 인 경우 • Default dimension : 1 • Softmax( T 1 T 2 T 3 T 4 ) = T 1/(T 1+T 2) T 2/(T 1+T 2) T 3/(T 3+T 4) T 4/(T 3+T 4) (2, 2) • 3 d 인 경우 • Default dimension : 0 T 1 • Softmax( T 3 T 2 T 5 T 4 T 7 (2, 2, 2) T 6 T 8 ) = T 1/(T 1+T 5) T 2/(T 2+T 6) T 5/(T 1+T 5) T 6/(T 2+T 6) T 3/(T 3+T 7) T 4/(T 4+T 8) T 7/(T 3+T 7) T 8/(T 4+T 8) (2, 2, 2) 26/27
Char_RNN • Softmax with dim • 2 d 인 경우 • dim : 0 • Softmax( T 1 T 2 T 3 T 4 (2, 2) ) = T 1/(T 1+T 3 T 2/(T 2+T 4 ) ) T 3/(T 1+T 3 T 4/(T 2+T 4 ) (2, 2) 27/27
Char_RNN • Softmax with dim • 3 d 인 경우 • dim : 1 T 1 • Softmax( T 3 T 2 T 5 T 4 T 7 T 6 ) = T 8 (2, 2, 2) T 1/(T 1+T 3) T 2/(T 2+T 4) T 5/(T 5+T 7) T 6/(T 6+T 8) T 3/(T 1+T 3) T 4/(T 2+T 4) T 7/(T 5+T 7) T 8/(T 6+T 8) (2, 2, 2) • dim : 2 T 1 • Softmax( T 3 T 2 T 5 T 4 T 7 (2, 2, 2) T 6 T 8 ) = T 1/(T 1+T 2) T 2/(T 1+T 2) T 5/(T 5+T 6) T 6/(T 5+T 6) T 3/(T 3+T 4) T 4/(T 3+T 4) T 7/(T 7+T 8) T 8/(T 7+T 8) (2, 2, 2) 28/27
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