Poor scaling with many calls to add_prefetch about loopy HOT 3 OPEN

   Ordered by: cumulative time
   List reduced from 467 to 30 due to restriction <30>

   ncalls  tottime  percall  cumtime  percall filename:lineno(function)
        1    0.000    0.000    8.846    8.846 __init__.py:791(prefetch_and_project)
        1    0.000    0.000    6.842    6.842 data.py:302(add_prefetch)
        1    0.000    0.000    6.842    6.842 data.py:153(add_prefetch_for_single_kernel)
        1    0.001    0.001    6.761    6.761 precompute.py:353(precompute_for_single_kernel)
35274/7782    4.665    0.000    4.703    0.001 __init__.py:936(wrapper)
        1    0.001    0.001    3.908    3.908 array_buffer_map.py:196(__init__)
        1    0.000    0.000    3.814    3.814 array_buffer_map.py:173(compute_bounds)
        1    0.000    0.000    3.788    3.788 array_buffer_map.py:162(find_var_base_indices_and_shape_from_inames)
        1    0.000    0.000    3.788    3.788 array_buffer_map.py:165(<listcomp>)
        2    0.000    0.000    3.788    1.894 tools.py:379(base_index_and_length)
       44    2.102    0.048    2.107    0.048 __init__.py:769(_number_to_expr_like)
       44    0.000    0.000    2.106    0.048 __init__.py:801(expr_like_add)
        3    0.000    0.000    2.059    0.686 __init__.py:1061(obj_project_out_except)
        2    0.000    0.000    2.004    1.002 translation_unit.py:677(_collective_transform)
        1    0.001    0.001    2.004    2.004 decouple_domain.py:38(decouple_domain)
        4    0.000    0.000    0.852    0.213 tools.py:352(op)
        2    0.779    0.390    0.780    0.390 isl_helpers.py:576(find_max_of_pwaff_with_params)
        2    0.000    0.000    0.479    0.240 tools.py:370(dim_max)
        2    0.478    0.239    0.478    0.239 tools.py:339(_get_dim_max)
 6450/630    0.012    0.000    0.435    0.001 __init__.py:256(__call__)
1636/1166    0.002    0.000    0.422    0.000 __init__.py:752(wrapper)
      153    0.001    0.000    0.401    0.003 instruction.py:858(with_transformed_expressions)
      119    0.001    0.000    0.389    0.003 symbolic.py:134(map_reduction)
  190/162    0.001    0.000    0.386    0.002 __init__.py:524(map_sum)
  190/162    0.000    0.000    0.385    0.002 __init__.py:525(<listcomp>)
        1    0.000    0.000    0.379    0.379 precompute.py:302(map_kernel)
        5    0.000    0.000    0.379    0.076 symbolic.py:1370(__call__)
        2    0.000    0.000    0.379    0.189 precompute.py:320(<lambda>)
        2    0.000    0.000    0.378    0.189 symbolic.py:1314(map_call)
        1    0.000    0.000    0.378    0.378 precompute.py:227(map_substitution)