Squashed 'third_party/immer/' content from commit ad3e3556d

git-subtree-dir: third_party/immer
git-subtree-split: ad3e3556d38bb75966dd24c61a774970a7c7957e

extra/python/benchmark/test_benchmarks.py

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+
+# immer: immutable data structures for C++
+# Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente
+#
+# This software is distributed under the Boost Software License, Version 1.0.
+# See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt
+
+##
+
+import immer
+import pyrsistent
+
+BENCHMARK_SIZE = 1000
+
+def push(v, n=BENCHMARK_SIZE):
+    for x in xrange(n):
+        v = v.append(x)
+    return v
+
+def assoc(v):
+    for i in xrange(len(v)):
+        v = v.set(i, i+1)
+    return v
+
+def index(v):
+    for i in xrange(len(v)):
+        v[i]
+
+def test_push_immer(benchmark):
+    benchmark(push, immer.Vector())
+
+def test_push_pyrsistent(benchmark):
+    benchmark(push, pyrsistent.pvector())
+
+def test_assoc_immer(benchmark):
+    benchmark(assoc, push(immer.Vector()))
+
+def test_assoc_pyrsistent(benchmark):
+    benchmark(assoc, push(pyrsistent.pvector()))
+
+def test_index_immer(benchmark):
+    benchmark(index, push(immer.Vector()))
+
+def test_index_pyrsistent(benchmark):
+    benchmark(index, push(pyrsistent.pvector()))