Add missing ops to ArmQuantizer (#6780)

Add missing ops to quantizer

- Add missing ops such as chunk to quantizer.
- Remove faulty ensures() from match_arg_shapes_rank pass.
- Remove sum annotator and move sum annotation to one-to-one annotator.

Signed-off-by: Oscar Andersson <oscar.andersson@arm.com>

backends/arm/_passes/match_arg_ranks_pass.py

@@ -113,14 +113,3 @@ def call(self, graph_module: GraphModule) -> PassResult:
         graph_module.recompile()
         graph_module = super().call(graph_module).graph_module
         return PassResult(graph_module, True)
-
-    def ensures(self, graph_module):
-        for node in graph_module.graph.nodes:
-            if node.op != "call_function" or node.target not in self.targeted_ops:
-                continue
-            arg0_rank = node.args[0].meta["val"].dim()
-            arg1_rank = node.args[1].meta["val"].dim()
-            if arg0_rank != arg1_rank:
-                raise ValueError(
-                    "Arguments of arithmetic operators need to have the same rank!"
-                )

backends/arm/quantizer/arm_quantizer.py

@@ -270,7 +270,6 @@ class ArmQuantizer(Quantizer):
         "mm",
         "one_to_one",
         "generic",
-        "sum",
     ]
 
     def __init__(self) -> None:

backends/arm/quantizer/quantization_annotation/__init__.py

@@ -59,5 +59,4 @@ def decorator(annotator: AnnotatorType):
     mul_annotator,
     one_to_one_annotator,
     sub_annotator,
-    sum_annotator,
 )

backends/arm/quantizer/quantization_annotation/generic_annotator.py

@@ -39,6 +39,7 @@
     # torch.ops.aten.view_as_real.default,
     # torch.ops.aten.view_as_real_copy.default,
     torch.ops.aten.view.default,
+    torch.ops.aten.view_as.default,
     torch.ops.aten.view_copy.default,
     torch.ops.aten.select.int,
     torch.ops.aten.select_copy.int,
@@ -53,6 +54,8 @@
     torch.ops.aten.flip.default,
     torch.ops.aten.cat.default,
     torch.ops.aten.stack.default,
+    torch.ops.aten.chunk.default,
+    torch.ops.aten.contiguous.default,
 ]
 
 

backends/arm/quantizer/quantization_annotation/one_to_one_annotator.py

@@ -42,6 +42,7 @@ def _annotate_one_to_one(
         torch.ops.aten.rsqrt.default,
         torch.ops.aten.sigmoid.default,
         torch.ops.aten.tanh.default,
+        torch.ops.aten.sum.dim_IntList,
     )
     for node in gm.graph.nodes:
         if node.op != "call_function" or node.target not in one_to_one_ops: