Function iter_pre_succ_pairs_tables

Tools/scripts/summarize_stats.py:833–867

(base_stats: Stats, head_stats: Stats | None = None)

def pre_succ_pairs_section() -> Section:
    def iter_pre_succ_pairs_tables(base_stats: Stats, head_stats: Stats | None = None):
        assert head_stats is None

        opcode_stats = base_stats.get_opcode_stats("opcode")

        for opcode in opcode_stats.get_opcode_names():
            predecessors = opcode_stats.get_predecessors(opcode)
            successors = opcode_stats.get_successors(opcode)
            predecessors_total = predecessors.total()
            successors_total = successors.total()
            if predecessors_total == 0 and successors_total == 0:
                continue
            pred_rows = [
                (pred, Count(count), Ratio(count, predecessors_total))
                for (pred, count) in predecessors.most_common(5)
            ]
            succ_rows = [
                (succ, Count(count), Ratio(count, successors_total))
                for (succ, count) in successors.most_common(5)
            ]

            yield Section(
                opcode,
                f"Successors and predecessors for {opcode}",
                [
                    Table(
                        ("Predecessors", "Count:", "Percentage:"),
                        lambda *_: pred_rows,  # type: ignore
                    ),
                    Table(
                        ("Successors", "Count:", "Percentage:"),
                        lambda *_: succ_rows,  # type: ignore
                    ),
                ],
            )

    return Section(
        "Predecessor/Successor Pairs",