Add SuperTransformerEncoder

tests/test_super_att.py

@@ -0,0 +1,71 @@
+#####################################################
+# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2021.03 #
+#####################################################
+# pytest ./tests/test_super_model.py -s             #
+#####################################################
+import sys, random
+import unittest
+from parameterized import parameterized
+import pytest
+from pathlib import Path
+
+lib_dir = (Path(__file__).parent / ".." / "lib").resolve()
+print("library path: {:}".format(lib_dir))
+if str(lib_dir) not in sys.path:
+    sys.path.insert(0, str(lib_dir))
+
+import torch
+from xlayers import super_core
+import spaces
+
+
+class TestSuperAttention(unittest.TestCase):
+    """Test the super attention layer."""
+
+    def _internal_func(self, inputs, model):
+        outputs = model(inputs)
+        abstract_space = model.abstract_search_space
+        print(
+            "The abstract search space for SuperAttention is:\n{:}".format(
+                abstract_space
+            )
+        )
+        abstract_space.clean_last()
+        abstract_child = abstract_space.random(reuse_last=True)
+        print("The abstract child program is:\n{:}".format(abstract_child))
+        model.set_super_run_type(super_core.SuperRunMode.Candidate)
+        model.apply_candidate(abstract_child)
+        outputs = model(inputs)
+        return abstract_child, outputs
+
+    def test_super_attention(self):
+        proj_dim = spaces.Categorical(12, 24, 36)
+        num_heads = spaces.Categorical(2, 4, 6)
+        model = super_core.SuperAttention(10, proj_dim, num_heads)
+        print(model)
+        model.apply_verbose(True)
+
+        inputs = torch.rand(4, 20, 10)  # batch size, sequence length, channel
+        abstract_child, outputs = self._internal_func(inputs, model)
+        output_shape = (4, 20, abstract_child["proj"]["_out_features"].value)
+        self.assertEqual(tuple(outputs.shape), output_shape)
+
+    @parameterized.expand([[6], [12], [24], [48]])
+    def test_transformer_encoder(self, input_dim):
+        output_dim = spaces.Categorical(12, 24, 36)
+        model = super_core.SuperTransformerEncoderLayer(
+            input_dim,
+            output_dim=output_dim,
+            num_heads=spaces.Categorical(2, 4, 6),
+            mlp_hidden_multiplier=spaces.Categorical(1, 2, 4),
+        )
+        print(model)
+        model.apply_verbose(True)
+        inputs = torch.rand(4, 20, input_dim)
+        abstract_child, outputs = self._internal_func(inputs, model)
+        output_shape = (
+            4,
+            20,
+            output_dim.abstract(reuse_last=True).random(reuse_last=True).value,
+        )
+        self.assertEqual(tuple(outputs.shape), output_shape)