Simon Bjurek
--- a/b_asic/resources.py
+++ b/b_asic/resources.py
+            if processing_elements is None:
+                raise ValueError(
+                    "processing_elements must be provided if heuristic = 'min_mem_to_pe'"
+                )
+            return self._split_ports_minimize_memory_to_pe_connections(
+                read_ports,
+                write_ports,
+                total_ports,
+                sequence=sorted(self),
+                processing_elements=processing_elements,
            )
        else:
            raise ValueError("Invalid heuristic provided.")

-    def split_ports_sequentially(
+    def _split_ports_sequentially(
--- a/b_asic/resources.py
+++ b/b_asic/resources.py
            The total number of ports used when splitting process collection based on
            memory variable access.

+        processing_elements : list[ProcessingElements], optional
-        processing_elements : list[ProcessingElements], optional
+        processing_elements : list of ProcessingElement, optional
--- a/b_asic/architecture.py
+++ b/b_asic/architecture.py
            raise KeyError(f"{proc} not in {source.entity_name}")
        self._build_dicts()

+    def show(
+        self,
+        fmt: str | None = None,
+        branch_node: bool = True,
+        cluster: bool = True,
+        splines: str = "spline",
-        splines: str = "spline",
+        splines: Literal["spline", "line", "ortho", "polyline", "curved"] = "spline",
--- a/b_asic/resources.py
+++ b/b_asic/resources.py
                    )
                )
-        # Return the list of created ProcessCollections
        return collections

+    def _split_ports_minimize_pe_to_memory_connections(
+        self,
+        read_ports: int,
+        write_ports: int,
+        total_ports: int,
+        sequence: list[Process],
+        processing_elements: list["ProcessingElement"],
+    ) -> list["ProcessCollection"]:
+
+        if set(self.collection) != set(sequence):
+            raise KeyError("processes in `sequence` must be equal to processes in self")
--- a/b_asic/resources.py
+++ b/b_asic/resources.py

            * "graph_color"
            * "left_edge"
+            * "min_pe_to_mem"
+            * "min_mem_to_pe"