Addresses comments

Author: 1RyanK

benchmark_v2/optional/multidim_binop_benchmark.py

@@ -2,7 +2,7 @@
 import operator
 
 import pytest
-
+import functools
 import arkouda as ak
 
 from benchmark_v2.benchmark_utils import calc_num_bytes
@@ -13,6 +13,7 @@
 OPS = ("+", "-", "*", "/", "//", "&", "|", "^")
 
 
+@functools.cache
 def choose_shape(n: int, ndim: int) -> tuple[int, ...]:
     """
     Choose an ``ndim``-dimensional shape whose element count is as close as possible