"nb_test_samples": 1000,
},
"expr": {
- "nb_epochs": 5,
+ "nb_epochs": 50,
"batch_size": 25,
- "nb_train_samples": 100000,
- "nb_test_samples": 1000,
+ "nb_train_samples": 250000,
+ "nb_test_samples": 10000,
},
}
self.device = device
train_sequences = expr.generate_sequences(
- nb_train_samples, nb_variables=nb_variables, length=sequence_length
+ nb_train_samples,
+ nb_variables=nb_variables,
+ length=sequence_length,
+ # length=2 * sequence_length,
+ # randomize_length=True,
)
test_sequences = expr.generate_sequences(
- nb_test_samples, nb_variables=nb_variables, length=sequence_length
+ nb_test_samples,
+ nb_variables=nb_variables,
+ length=sequence_length,
)
self.char2id = dict(
[
]
)
self.id2char = dict([(n, c) for c, n in self.char2id.items()])
- len_max = max([len(x) for x in train_sequences + test_sequences])
+
+ self.filler, self.space = self.char2id["#"], self.char2id[" "]
+
+ len_max = max([len(x) for x in train_sequences])
self.train_input = torch.cat(
[
torch.tensor(
],
0,
).to(device)
+
+ len_max = max([len(x) for x in test_sequences])
self.test_input = torch.cat(
[
torch.tensor(
],
0,
).to(device)
+
self.nb_codes = max(self.train_input.max(), self.test_input.max()) + 1
def batches(self, split="train", nb_to_use=-1, desc=None):
for batch in tqdm.tqdm(
input.split(self.batch_size), dynamic_ncols=True, desc=desc
):
+ if split == "train":
+ last = (batch != self.filler).max(0).values.nonzero().max() + 1
+ batch = batch[:, :last]
yield batch
def vocabulary_size(self):
return self.nb_codes
+ def seq2str(self, s):
+ return "".join([self.id2char[k.item()] for k in s])
+
def produce_results(self, n_epoch, model):
with torch.autograd.no_grad():
t = model.training
def compute_nb_correct(input):
result = input.clone()
- filler, space = self.char2id["#"], self.char2id[" "]
- ar_mask = (result == space).long().cumsum(dim=1).clamp(max=1)
- result = (1 - ar_mask) * result + ar_mask * filler
+ ar_mask = (result == self.space).long().cumsum(dim=1).clamp(max=1)
+ result = (1 - ar_mask) * result + ar_mask * self.filler
masked_inplace_autoregression(
model, self.batch_size, result, ar_mask, device=self.device
)
- nb_total = ar_mask.sum()
- nb_correct = ((input == result).long() * ar_mask).sum()
+ nb_total = input.size(0)
+ nb_correct = (input == result).long().min(1).values.sum()
- return nb_total, nb_correct
+ #######################################################################
+ # Comput predicted vs. true variable values
- test_nb_total, test_nb_correct = compute_nb_correct(self.test_input[:1000])
+ nb_delta = torch.zeros(5, dtype=torch.int64)
+ nb_missed = 0
+
+ values_input = expr.extract_results([self.seq2str(s) for s in input])
+ values_result = expr.extract_results([self.seq2str(s) for s in result])
+
+ for i, r in zip(values_input, values_result):
+ for n, vi in i.items():
+ vr = r.get(n)
+ if vr is None or vr < 0:
+ nb_missed += 1
+ else:
+ d = abs(vr - vi)
+ if d >= nb_delta.size(0):
+ nb_missed += 1
+ else:
+ nb_delta[d] += 1
+
+ ######################################################################
+
+ return nb_total, nb_correct, nb_delta, nb_missed
+
+ (
+ test_nb_total,
+ test_nb_correct,
+ test_nb_delta,
+ test_nb_missed,
+ ) = compute_nb_correct(self.test_input[:1000])
log_string(
f"accuracy_test {n_epoch} nb_total {test_nb_total} nb_correct {test_nb_correct} accuracy {(100.0*test_nb_correct)/test_nb_total:.02f}%"
)
+ nb_total = test_nb_delta.sum() + test_nb_missed
+ for d in range(test_nb_delta.size(0)):
+ log_string(
+ f"error_value {n_epoch} delta {d} {test_nb_delta[d]} {test_nb_delta[d]*100/nb_total:.02f}%"
+ )
+ log_string(
+ f"error_value {n_epoch} missed {test_nb_missed} {test_nb_missed*100/nb_total:.02f}%"
+ )
+
##############################################################
# Log a few generated sequences
input = self.test_input[:10]
result = input.clone()
- filler, space = self.char2id["#"], self.char2id[" "]
- ar_mask = (result == space).long().cumsum(dim=1).clamp(max=1)
- result = (1 - ar_mask) * result + ar_mask * filler
+ ar_mask = (result == self.space).long().cumsum(dim=1).clamp(max=1)
+ result = (1 - ar_mask) * result + ar_mask * self.filler
for n in range(result.size(0)):
- s = "".join([self.id2char[k.item()] for k in result[n]])
- log_string(f"test_before {s}")
+ log_string(f"test_before {self.seq2str(result[n])}")
masked_inplace_autoregression(
model, self.batch_size, result, ar_mask, device=self.device
)
- correct = (1 - ar_mask) * space + ar_mask * input
+ correct = (1 - ar_mask) * self.space + ar_mask * input
for n in range(result.size(0)):
- s = "".join([self.id2char[k.item()] for k in result[n]])
- log_string(f"test_after {s}")
- s = "".join([self.id2char[k.item()] for k in correct[n]])
- log_string(f"correct {s}")
+ comment = "GOOD" if (result[n] - input[n]).abs().max() == 0 else ""
+ log_string(f"test_after {self.seq2str(result[n])} {comment}")
+ log_string(f"correct {self.seq2str(correct[n])}")
##############################################################
model.train(t)