code: def block_matrix_to_matrix_table_row_major():
      mt = hl.utils.range_matrix_table(20_000, 20_000, n_partitions=4)
      bm = hl.linalg.BlockMatrix.from_entry_expr(
          mt.row_idx + mt.col_idx
      )
      bm.to_matrix_table_row_major()._force_count_rows()
  
file_path: hail/benchmark/python/benchmark_hail/run/linalg_benchmarks.py
imports: import hail
  from .utils import benchmark, recursive_delete
label_desc: Use image node_id 9 for calling a global function with example usage: block_matrix_to_matrix_table_row_major() without return types