CofeehousePy/deps/numpy/benchmarks/benchmarks/bench_shape_base.py

137 lines
4.4 KiB
Python

from .common import Benchmark
import numpy as np
class Block(Benchmark):
params = [1, 10, 100]
param_names = ['size']
def setup(self, n):
self.a_2d = np.ones((2 * n, 2 * n))
self.b_1d = np.ones(2 * n)
self.b_2d = 2 * self.a_2d
self.a = np.ones(3 * n)
self.b = np.ones(3 * n)
self.one_2d = np.ones((1 * n, 3 * n))
self.two_2d = np.ones((1 * n, 3 * n))
self.three_2d = np.ones((1 * n, 6 * n))
self.four_1d = np.ones(6 * n)
self.five_0d = np.ones(1 * n)
self.six_1d = np.ones(5 * n)
# avoid np.zeros's lazy allocation that might cause
# page faults during benchmark
self.zero_2d = np.full((2 * n, 6 * n), 0)
self.one = np.ones(3 * n)
self.two = 2 * np.ones((3, 3 * n))
self.three = 3 * np.ones(3 * n)
self.four = 4 * np.ones(3 * n)
self.five = 5 * np.ones(1 * n)
self.six = 6 * np.ones(5 * n)
# avoid np.zeros's lazy allocation that might cause
# page faults during benchmark
self.zero = np.full((2 * n, 6 * n), 0)
def time_block_simple_row_wise(self, n):
np.block([self.a_2d, self.b_2d])
def time_block_simple_column_wise(self, n):
np.block([[self.a_2d], [self.b_2d]])
def time_block_complicated(self, n):
np.block([[self.one_2d, self.two_2d],
[self.three_2d],
[self.four_1d],
[self.five_0d, self.six_1d],
[self.zero_2d]])
def time_nested(self, n):
np.block([
[
np.block([
[self.one],
[self.three],
[self.four]
]),
self.two
],
[self.five, self.six],
[self.zero]
])
def time_no_lists(self, n):
np.block(1)
np.block(np.eye(3 * n))
class Block2D(Benchmark):
params = [[(16, 16), (32, 32), (64, 64), (128, 128), (256, 256), (512, 512), (1024, 1024)],
['uint8', 'uint16', 'uint32', 'uint64'],
[(2, 2), (4, 4)]]
param_names = ['shape', 'dtype', 'n_chunks']
def setup(self, shape, dtype, n_chunks):
self.block_list = [
[np.full(shape=[s//n_chunk for s, n_chunk in zip(shape, n_chunks)],
fill_value=1, dtype=dtype) for _ in range(n_chunks[1])]
for _ in range(n_chunks[0])
]
def time_block2d(self, shape, dtype, n_chunks):
np.block(self.block_list)
class Block3D(Benchmark):
"""This benchmark concatenates an array of size ``(5n)^3``"""
# Having copy as a `mode` of the block3D
# allows us to directly compare the benchmark of block
# to that of a direct memory copy into new buffers with
# the ASV framework.
# block and copy will be plotted on the same graph
# as opposed to being displayed as separate benchmarks
params = [[1, 10, 100],
['block', 'copy']]
param_names = ['n', 'mode']
def setup(self, n, mode):
# Slow setup method: hence separated from the others above
self.a000 = np.ones((2 * n, 2 * n, 2 * n), int) * 1
self.a100 = np.ones((3 * n, 2 * n, 2 * n), int) * 2
self.a010 = np.ones((2 * n, 3 * n, 2 * n), int) * 3
self.a001 = np.ones((2 * n, 2 * n, 3 * n), int) * 4
self.a011 = np.ones((2 * n, 3 * n, 3 * n), int) * 5
self.a101 = np.ones((3 * n, 2 * n, 3 * n), int) * 6
self.a110 = np.ones((3 * n, 3 * n, 2 * n), int) * 7
self.a111 = np.ones((3 * n, 3 * n, 3 * n), int) * 8
self.block = [
[
[self.a000, self.a001],
[self.a010, self.a011],
],
[
[self.a100, self.a101],
[self.a110, self.a111],
]
]
self.arr_list = [a
for two_d in self.block
for one_d in two_d
for a in one_d]
def time_3d(self, n, mode):
if mode == 'block':
np.block(self.block)
else: # mode == 'copy'
[arr.copy() for arr in self.arr_list]
# Retain old benchmark name for backward compat
time_3d.benchmark_name = "bench_shape_base.Block.time_3d"