X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;f=tasks.py;h=a4ef557d2adde2f7df591adba4d3efc6b31e7d5f;hb=12671bdc1a083514de11399041f74747a6ca601b;hp=8b22cadc62f51e097b7fb70c6747aea7158a0804;hpb=22b841a39cc73310cd03dbd1d32fb387f68521d0;p=picoclvr.git

diff --git a/tasks.py b/tasks.py
index 8b22cad..a4ef557 100755
--- a/tasks.py
+++ b/tasks.py
@@ -1881,22 +1881,19 @@ class Escape(Task):
 
         self.batch_size = batch_size
         self.device = device
+        self.height = height
+        self.width = width
 
         states, actions, rewards = escape.generate_episodes(
-            nb_train_samples + nb_test_samples, height, width, T
+            nb_train_samples + nb_test_samples, height, width, 3 * T
         )
-        seq = escape.episodes2seq(states, actions, rewards)
-        self.train_input = seq[:nb_train_samples]
-        self.test_input = seq[nb_train_samples:]
+        seq = escape.episodes2seq(states, actions, rewards, lookahead_delta=T)
+        seq = seq[:, seq.size(1) // 3 : 2 * seq.size(1) // 3]
+        self.train_input = seq[:nb_train_samples].to(self.device)
+        self.test_input = seq[nb_train_samples:].to(self.device)
 
         self.nb_codes = max(self.train_input.max(), self.test_input.max()) + 1
 
-        # if logger is not None:
-        # for s, a in zip(self.train_input[:100], self.train_ar_mask[:100]):
-        # logger(f"train_sequences {self.problem.seq2str(s)}")
-        # a = "".join(["01"[x.item()] for x in a])
-        # logger(f"                {a}")
-
     def batches(self, split="train", nb_to_use=-1, desc=None):
         assert split in {"train", "test"}
         input = self.train_input if split == "train" else self.test_input
@@ -1912,10 +1909,111 @@ class Escape(Task):
     def vocabulary_size(self):
         return self.nb_codes
 
+    def thinking_autoregression(
+        self, n_epoch, model, result_dir, logger, deterministic_synthesis, nmax=1000
+    ):
+        result = self.test_input[:100].clone()
+        t = torch.arange(result.size(1), device=result.device)
+        state_len = self.height * self.width
+        iteration_len = state_len + 3
+
+        def ar():
+            masked_inplace_autoregression(
+                model,
+                self.batch_size,
+                result,
+                ar_mask,
+                deterministic_synthesis,
+                device=self.device,
+            )
+
+        for u in range(
+            iteration_len, result.size(1) - iteration_len + 1, iteration_len
+        ):
+            # Put a lookahead reward to -1, sample the next state
+            result[:, u - 1] = (-1) + 1 + escape.first_lookahead_rewards_code
+            ar_mask = (t >= u).long() * (t < u + state_len).long()
+            ar_mask = ar_mask[None, :]
+            ar_mask = ar_mask.expand_as(result)
+            result *= 1 - ar_mask
+            ar()
+
+            # Put a lookahead reward to +1, sample the action and reward
+            result[:, u - 1] = (1) + 1 + escape.first_lookahead_rewards_code
+            ar_mask = (t >= state_len).long() * (t < state_len + 2).long()
+            ar_mask = ar_mask[None, :]
+            ar_mask = ar_mask.expand_as(result)
+            result *= 1 - ar_mask
+            ar()
+
+        # Saving the generated sequences
+
+        s, a, r, lr = escape.seq2episodes(
+            result, self.height, self.width, lookahead=True
+        )
+        str = escape.episodes2str(
+            s, a, r, lookahead_rewards=lr, unicode=True, ansi_colors=True
+        )
+
+        filename = os.path.join(result_dir, f"test_thinking_seq_{n_epoch:04d}.txt")
+        with open(filename, "w") as f:
+            f.write(str)
+            logger(f"wrote {filename}")
+
     def produce_results(
         self, n_epoch, model, result_dir, logger, deterministic_synthesis, nmax=1000
     ):
-        pass
+        result = self.test_input[:100].clone()
+
+        # Saving the ground truth
+
+        s, a, r, lr = escape.seq2episodes(
+            result, self.height, self.width, lookahead=True
+        )
+        str = escape.episodes2str(
+            s, a, r, lookahead_rewards=lr, unicode=True, ansi_colors=True
+        )
+
+        filename = os.path.join(result_dir, f"test_true_seq_{n_epoch:04d}.txt")
+        with open(filename, "w") as f:
+            f.write(str)
+            logger(f"wrote {filename}")
+
+        # Re-generating from the first frame
+
+        ar_mask = (
+            torch.arange(result.size(1), device=result.device)
+            >= self.height * self.width + 3
+        ).long()[None, :]
+        ar_mask = ar_mask.expand_as(result)
+        result *= 1 - ar_mask  # paraaaaanoiaaaaaaa
+
+        masked_inplace_autoregression(
+            model,
+            self.batch_size,
+            result,
+            ar_mask,
+            deterministic_synthesis,
+            device=self.device,
+        )
+
+        # Saving the generated sequences
+
+        s, a, r, lr = escape.seq2episodes(
+            result, self.height, self.width, lookahead=True
+        )
+        str = escape.episodes2str(
+            s, a, r, lookahead_rewards=lr, unicode=True, ansi_colors=True
+        )
+
+        filename = os.path.join(result_dir, f"test_seq_{n_epoch:04d}.txt")
+        with open(filename, "w") as f:
+            f.write(str)
+            logger(f"wrote {filename}")
+
+        self.thinking_autoregression(
+            n_epoch, model, result_dir, logger, deterministic_synthesis, nmax
+        )
 
 
 ######################################################################