Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 72 insertions, 0 deletions

diff --git a/src/arrow/python/benchmarks/plasma.py b/src/arrow/python/benchmarks/plasma.py
new file mode 100644
index 000000000..90a284515
--- /dev/null
+++ b/src/arrow/python/benchmarks/plasma.py
@@ -0,0 +1,72 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+import numpy as np
+import timeit
+
+try:
+    import pyarrow.plasma as plasma
+except ImportError:
+    # TODO(wesm): These are not asv benchmarks, so we can just fail
+    # silently here
+    pass
+
+
+class SimplePlasmaThroughput(object):
+    """Benchmark plasma store throughput with a single client."""
+
+    params = [1000, 100000, 10000000]
+
+    timer = timeit.default_timer
+
+    def setup(self, size):
+        self.plasma_store_ctx = plasma.start_plasma_store(
+            plasma_store_memory=10**9)
+        plasma_store_name, p = self.plasma_store_ctx.__enter__()
+        self.plasma_client = plasma.connect(plasma_store_name)
+
+        self.data = np.random.randn(size // 8)
+
+    def teardown(self, size):
+        self.plasma_store_ctx.__exit__(None, None, None)
+
+    def time_plasma_put_data(self, size):
+        self.plasma_client.put(self.data)
+
+
+class SimplePlasmaLatency(object):
+    """Benchmark plasma store latency with a single client."""
+
+    timer = timeit.default_timer
+
+    def setup(self):
+        self.plasma_store_ctx = plasma.start_plasma_store(
+            plasma_store_memory=10**9)
+        plasma_store_name, p = self.plasma_store_ctx.__enter__()
+        self.plasma_client = plasma.connect(plasma_store_name)
+
+    def teardown(self):
+        self.plasma_store_ctx.__exit__(None, None, None)
+
+    def time_plasma_put(self):
+        for i in range(1000):
+            self.plasma_client.put(1)
+
+    def time_plasma_putget(self):
+        for i in range(1000):
+            x = self.plasma_client.put(1)
+            self.plasma_client.get(x)