Revert D26009829: Optimize relu on cpu using clamp_min

Test Plan: revert-hammer Differential Revision: D26009829 (2054cd5) Original commit changeset: 7bb1583ffb3e fbshipit-source-id: 3e945b438fb8d83f721e400ae69be8848cab9720
pytorch · Feb 5, 2021 · 430329e · 430329e
1 parent 50c9c08
commit 430329e
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/aten/src/ATen/native/Activation.cpp b/aten/src/ATen/native/Activation.cpp
@@ -162,11 +162,11 @@ Tensor hardswish_backward(const Tensor& grad_output, const Tensor& self) {
 }
 
 Tensor relu(const Tensor & self) {
-  return at::clamp_min(self, 0);
+  return at::threshold(self, 0, 0);
 }
 
 Tensor & relu_(Tensor & self) {
-  return at::clamp_min_(self, 0);
+  return at::threshold_(self, 0, 0);
 }
 
 Tensor selu(const Tensor & self) {