fix tiling of norm (#3329)

yuyiming · web-flow · commit 18633826ee0c · 2023-02-16T14:41:09.000+08:00
diff --git a/mars/tensor/linalg/norm.py b/mars/tensor/linalg/norm.py
@@ -114,7 +114,7 @@ def tile(cls, op):
             )
 
         r = yield from recursive_tile(
-            cls._norm(x.astype(op.outputs[0].dtype), ord, axis, keepdims)
+            cls._norm(x.astype(op.outputs[0].dtype, copy=False), ord, axis, keepdims)
         )
         new_op = op.copy()
         return new_op.new_tensors(

Original file line number	Diff line number	Diff line change
`@@ -114,7 +114,7 @@ def tile(cls, op):`
`114`	`114`	`)`
`115`	`115`
`116`	`116`	`r = yield from recursive_tile(`
`117`		`- cls._norm(x.astype(op.outputs[0].dtype), ord, axis, keepdims)`
	`117`	`+ cls._norm(x.astype(op.outputs[0].dtype, copy=False), ord, axis, keepdims)`
`118`	`118`	`)`
`119`	`119`	`new_op = op.copy()`
`120`	`120`	`return new_op.new_tensors(`