Initial commit: FunASR Speech Recognition Toolkit

Add complete FunASR codebase including models, runtime, and documentation.

funasr/models/data2vec/grad_multiply.py

@@ -0,0 +1,31 @@
+# Copyright (c) Facebook, Inc. and its affiliates.
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
+
+import torch
+
+
+class GradMultiply(torch.autograd.Function):
+    @staticmethod
+    def forward(ctx, x, scale):
+        """Forward pass for training.
+        
+            Args:
+                ctx: TODO.
+                x: TODO.
+                scale: TODO.
+            """
+        ctx.scale = scale
+        res = x.new(x)
+        return res
+
+    @staticmethod
+    def backward(ctx, grad):
+        """Backward.
+        
+            Args:
+                ctx: TODO.
+                grad: TODO.
+            """
+        return grad * ctx.scale, None