X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;f=beaver.py;h=8fe9a9b0a18c3882fa7718f23d36fd3a226a5157;hb=539b475100e792e284d030e2a0b4bdb41c0ff780;hp=49cb1f672075795f84021e9e8a5d6573a6d6f56e;hpb=10c1e2159ef57a55724fb1753381dc30e8aa77c2;p=beaver.git

diff --git a/beaver.py b/beaver.py
index 49cb1f6..8fe9a9b 100755
--- a/beaver.py
+++ b/beaver.py
@@ -131,13 +131,15 @@ for n in vars(args):
 ######################################################################
 
 
-def random_order(result, fixed_len):
+def generation_order(x, fixed_len):
     if args.random_regression_order:
-        order = torch.rand(result.size(), device=result.device)
+        order = torch.rand(x.size(), device=x.device)
         order[:, :fixed_len] = torch.linspace(-2, -1, fixed_len, device=order.device)
         return order.sort(1).indices
     else:
-        return torch.arange(result.size(1)).unsqueeze(0).expand(result.size(0), -1)
+        return (
+            torch.arange(x.size(1), device=x.device).unsqueeze(0).expand(x.size(0), -1)
+        )
 
 
 def shuffle(x, order, reorder=False):
@@ -184,7 +186,7 @@ def compute_perplexity(model, split="train"):
 
         for input in task.batches(split=split):
             input = input.to(device)
-            order = random_order(input, task.height * task.width)
+            order = generation_order(input, task.height * task.width)
             input = shuffle(input, order)
             output = model(mygpt.BracketedSequence(input), order=order).x
             loss = F.cross_entropy(output.transpose(1, 2), input)
@@ -250,7 +252,7 @@ def oneshot(gpt, task):
 
         acc_train_loss, nb_train_samples = 0, 0
         for mazes, policies in task.policy_batches(split="train"):
-            order = random_order(mazes, task.height * task.width)
+            order = generation_order(mazes, task.height * task.width)
             x = shuffle(mazes, order)
             x = gpt(mygpt.BracketedSequence(x), mode=args.oneshot_input, order=order).x
             output_gpt = shuffle(x, order, reorder=True)
@@ -266,7 +268,7 @@ def oneshot(gpt, task):
 
         acc_test_loss, nb_test_samples = 0, 0
         for mazes, policies in task.policy_batches(split="test"):
-            order = random_order(mazes, task.height * task.width)
+            order = generation_order(mazes, task.height * task.width)
             x = shuffle(mazes, order)
             x = gpt(mygpt.BracketedSequence(x), mode=args.oneshot_input, order=order).x
             output_gpt = shuffle(x, order, reorder=True)
@@ -282,7 +284,7 @@ def oneshot(gpt, task):
         # -------------------
         mazes = task.test_input[:32, : task.height * task.width]
         policies = task.test_policies[:32]
-        order = random_order(mazes, task.height * task.width)
+        order = generation_order(mazes, task.height * task.width)
         x = shuffle(mazes, order)
         x = gpt(mygpt.BracketedSequence(x), mode=args.oneshot_input, order=order).x
         output_gpt = shuffle(x, order, reorder=True)
@@ -424,7 +426,7 @@ class TaskMaze(Task):
             ar_mask = result.new_zeros(result.size())
             ar_mask[:, self.height * self.width :] = 1
             result *= 1 - ar_mask
-            order = random_order(result, self.height * self.width)
+            order = generation_order(result, self.height * self.width)
             masked_inplace_autoregression(
                 model, self.batch_size, result, ar_mask, order=order
             )
@@ -606,7 +608,7 @@ for n_epoch in range(nb_epochs_finished, args.nb_epochs):
 
     for input in task.batches(split="train"):
         input = input.to(device)
-        order = random_order(input, task.height * task.width)
+        order = generation_order(input, task.height * task.width)
         input = shuffle(input, order)
         output = model(mygpt.BracketedSequence(input), order=order).x
         loss = F.cross_entropy(output.transpose(1, 2), input)