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import copy
import timeit
from pyrsistent import pmap
from frozendict import frozendict
from immutables import Map
def construct_map_pyrsistent(input_map):
map_ = pmap(input_map)
return map_
def construct_map_frozendict(input_map):
map_ = frozendict(input_map)
return map_
def construct_map_immutables(input_map):
map_ = Map(**input_map)
return map_
def benchmark_construct(input_map):
print("Construct")
print("Input map size: {0}".format(len(input_map)))
number = 1000
benchmark_globals = globals()
benchmark_globals["input_map"] = input_map
pyrsistent_cost = timeit.timeit(
"a = construct_map_pyrsistent(input_map)",
number=number,
globals=benchmark_globals)
print(f"pyrsistent cost {pyrsistent_cost}")
frozendict_cost = timeit.timeit(
"a = construct_map_frozendict(input_map)",
number=number,
globals=benchmark_globals)
print(f"frozendict cost {frozendict_cost}")
immutables_cost = timeit.timeit(
"a = construct_map_immutables(input_map)",
number=number,
globals=benchmark_globals)
print(f"immutables cost {immutables_cost}")
def benchmark_access(input_map):
print("Access")
print("Input map size: {0}".format(len(input_map)))
benchmark_globals = globals()
benchmark_globals["input_map"] = input_map
pyrsistent_cost = timeit.timeit(
"a = map_[\"key2\"]",
setup="map_ = construct_map_pyrsistent(input_map)",
number=10000,
globals=benchmark_globals)
print(f"pyrsistent cost {pyrsistent_cost}")
frozendict_cost = timeit.timeit(
"a = map_[\"key2\"]",
setup="map_ = construct_map_frozendict(input_map)",
number=10000,
globals=benchmark_globals)
print(f"frozendict cost {frozendict_cost}")
immutables_cost = timeit.timeit(
"a = map_[\"key2\"]",
setup="map_ = construct_map_immutables(input_map)",
number=10000,
globals=benchmark_globals)
print(f"immutables cost {immutables_cost}")
dict_cost = timeit.timeit(
"a = map_[\"key2\"]",
setup="map_ = copy.deepcopy(input_map)",
number=10000,
globals=benchmark_globals)
print(f"builtin dict cost {dict_cost}")
def benchmark_set(input_map):
print("Set")
print("Input map size: {0}".format(len(input_map)))
benchmark_globals = globals()
benchmark_globals["input_map"] = input_map
pyrsistent_cost = timeit.timeit(
"a = map_.set(\"key2\", 0)",
setup="map_ = construct_map_pyrsistent(input_map)",
number=10000,
globals=benchmark_globals)
print(f"pyrsistent cost {pyrsistent_cost}")
frozendict_cost = timeit.timeit(
"a = map_.set(\"key2\", 0)",
setup="map_ = construct_map_frozendict(input_map)",
number=10000,
globals=benchmark_globals)
print(f"frozendict cost {frozendict_cost}")
immutables_cost = timeit.timeit(
"a = map_.set(\"key2\", 0)",
setup="map_ = construct_map_immutables(input_map)",
number=10000,
globals=benchmark_globals)
print(f"immutables cost {immutables_cost}")
dict_cost = timeit.timeit(
"map_[\"key2\"] = 0",
setup="map_ = copy.deepcopy(input_map)",
number=10000,
globals=benchmark_globals)
print(f"builtin dict cost {dict_cost}")
def benchmark_remove(input_map):
print("Remove")
print("Input map size: {0}".format(len(input_map)))
benchmark_globals = globals()
benchmark_globals["input_map"] = input_map
pyrsistent_cost = timeit.timeit(
"a = map_.remove(\"key2\")",
setup="map_ = construct_map_pyrsistent(input_map)",
number=10000,
globals=benchmark_globals)
print(f"pyrsistent cost {pyrsistent_cost}")
frozendict_cost = timeit.timeit(
"a = map_.delete(\"key2\")",
setup="map_ = construct_map_frozendict(input_map)",
number=10000,
globals=benchmark_globals)
print(f"frozendict cost {frozendict_cost}")
immutables_cost = timeit.timeit(
"a = map_.delete(\"key2\")",
setup="map_ = construct_map_immutables(input_map)",
number=10000,
globals=benchmark_globals)
print(f"immutables cost {immutables_cost}")
# dict_cost = timeit.timeit(
# "del map_[\"key2\"]",
# setup="map_ = copy.deepcopy(input_map)",
# number=10000,
# globals=benchmark_globals)
# print(f"builtin dict cost {dict_cost}")
def update_and_diff_pyrsistent(map_, update_list):
evolver = map_.evolver()
for object_id, key_to_update, value_to_update in update_list:
evolver[object_id] = evolver[object_id].set(key_to_update,
value_to_update)
new_map = evolver.persistent()
dirty_objects = {}
for id_, object_ in new_map.items():
if object_ is not map_.get(id_, None):
dirty_objects[id_] = object_
assert len(dirty_objects) == len(update_list)
def update_and_diff_frozendict(map_, update_list):
raw_dict = dict(map_)
for object_id, key_to_update, value_to_update in update_list:
raw_dict[object_id] = raw_dict[object_id].set(key_to_update,
value_to_update)
new_map = frozendict(raw_dict)
dirty_objects = {}
for id_, object_ in new_map.items():
if object_ is not map_.get(id_, None):
dirty_objects[id_] = object_
assert len(dirty_objects) == len(update_list)
def update_and_diff_immutables(map_, update_list):
evolver = map_.mutate()
for object_id, key_to_update, value_to_update in update_list:
evolver[object_id] = evolver[object_id].set(key_to_update,
value_to_update)
new_map = evolver.finish()
dirty_objects = {}
for id_, object_ in new_map.items():
if object_ is not map_.get(id_, None):
dirty_objects[id_] = object_
assert len(dirty_objects) == len(update_list)
def update_and_diff_case(map_size, change_size):
assert map_size >= change_size
print("Update and diff")
print(f"map size: {map_size}")
print(f"change size: {change_size}")
benchmark_globals = globals()
update_list = []
for i in range(change_size):
update_list.append((i, "name", f"new_name_{i}"))
benchmark_globals["update_list"] = update_list
id_to_object_raw = {}
for i in range(map_size):
id_to_object_raw[i] = pmap({"name": f"name{i}"})
input_map = pmap(id_to_object_raw)
benchmark_globals["input_map"] = input_map
pyrsistent_cost = timeit.timeit(
"update_and_diff_pyrsistent(input_map, update_list)",
number=1000,
globals=benchmark_globals)
print(f"pyrsistent cost {pyrsistent_cost}")
id_to_object_raw = {}
for i in range(map_size):
id_to_object_raw[i] = frozendict({"name": f"name{i}"})
input_map = frozendict(id_to_object_raw)
benchmark_globals["input_map"] = input_map
frozendict_cost = timeit.timeit(
"update_and_diff_frozendict(input_map, update_list)",
number=1000,
globals=benchmark_globals)
print(f"frozendict cost {frozendict_cost}")
id_to_object_raw = {}
for i in range(map_size):
id_to_object_raw[i] = Map({"name": f"name{i}"})
input_map = Map(id_to_object_raw)
benchmark_globals["input_map"] = input_map
immutables_cost = timeit.timeit(
"update_and_diff_immutables(input_map, update_list)",
number=1000,
globals=benchmark_globals)
print(f"immutables cost {immutables_cost}")
def main():
for case in [benchmark_construct,
benchmark_access,
benchmark_set,
benchmark_remove]:
for size in [10, 100, 1000, 10000, 100000]:
input_map = {}
for i in range(size):
input_map[f"key{i}"] = i
case(input_map)
for map_size in [1000, 10000]:
# for change_size in [1, 10, 100]:
for change_size in [1, 100, 1000]:
update_and_diff_case(map_size, change_size)
if __name__ == "__main__":
main()