support pointwise conv layers

Author: calad0i

hls4ml/optimization/fused_dotp/optimizer_pass/vitis.py

@@ -16,7 +16,7 @@
 
 class VitisUnrollCodeGen(UnrollCodeGenPass):
     def __init__(self):
-        super().__init__('Dense', 'Conv1D', 'Conv2D')
+        super().__init__('Dense', 'Conv1D', 'Conv2D', 'PointwiseConv1D', 'PointwiseConv2D')
 
     def get_stream_type_name(self, name: str) -> str:
         return f'{name}::value_type'
@@ -66,7 +66,12 @@ class VitisConvPreTemplate(OptimizerPass):
     def match(self, node: Layer):
         if node.get_attr('implementation') != 'linebuffer':
             return False
-        return node.get_attr('unrolled_codegen') and node.class_name in ('Conv1D', 'Conv2D')
+        return node.get_attr('unrolled_codegen') and node.class_name in (
+            'Conv1D',
+            'Conv2D',
+            'PointwiseConv1D',
+            'PointwiseConv2D',
+        )
 
     def transform(self, model: ModelGraph, node: Layer):
         io_type = model.config.get_config_value("IOType")
@@ -94,9 +99,13 @@ def latency_transform(self, model: ModelGraph, node: Layer):
         node.attributes.attributes['dense_config'] = config_cpp
 
         # override function_cpp
-        if node.class_name == 'Conv1D':
+        class_name = node.class_name
+        if class_name.startswith('Pointwise'):
+            class_name = class_name[9:]
+
+        if class_name == 'Conv1D':
             fn_name = f'conv_1d<config{node.index}>'
-        elif node.class_name == 'Conv2D':
+        elif class_name == 'Conv2D':
             fn_name = f'conv_2d<config{node.index}>'
         else:
             raise ValueError(f'Unsupported layer type {node.class_name}')
@@ -107,7 +116,7 @@ def latency_transform(self, model: ModelGraph, node: Layer):
         include_headers = [
             'nnet_utils/nnet_unrolled.h',
             'nnet_utils/nnet_dense_latency.h',
-            f'nnet_utils/nnet_{node.class_name.lower()}.h',
+            f'nnet_utils/nnet_{class_name.lower()}.h',
             'nnet_utils/nnet_conv_stream.h',  # some properties defined in config need this
         ]
         node.attributes.attributes['include_header'] = include_headers