E606 BENCH: Add basic benchmarks for scalar indexing and assignment by seberg · Pull Request #16786 · numpy/numpy · GitHub
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BENCH: Add basic benchmarks for scalar indexing and assignment #16786

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Merged
merged 2 commits into from
Jul 9, 2020
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BENCH: Add basic benchmarks for scalar indexing and assignment #16786

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BENCH: Add basic benchmarks for scalar indexing and assignment
seberg Jul 8, 2020
453c4eb
Update benchmarks/benchmarks/bench_indexing.py
seberg Jul 8, 2020
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30 changes: 30 additions & 0 deletions benchmarks/benchmarks/bench_indexing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,36 @@ def time_op(self, indexes, sel, op):
self.func()


class ScalarIndexing(Benchmark):
params = [[0, 1, 2]]
param_names = ["ndim"]

def setup(self, ndim):
self.array = np.ones((5,) * ndim)

def time_index(self, ndim):
# time indexing.
arr = self.array
indx = (1,) * ndim
for i in range(100):
arr[indx]

def time_assign(self, ndim):
# time assignment from a python scalar
arr = self.array
indx = (1,) * ndim
for i in range(100):
arr[indx] = 5.

def time_assign_cast(self, ndim):
# time an assignment which may use a cast operation
arr = self.array
indx = (1,) * ndim
val = np.int16(43)
for i in range(100):
arr[indx] = val


class IndexingSeparate(Benchmark):
def setup(self):
self.tmp_dir = mkdtemp()
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