Add benchmark 'mmap-anonymous'.

Author: fangerer

graalpython/benchmarks/src/micro/mmap-anonymous.py

@@ -0,0 +1,65 @@
+# Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# The Universal Permissive License (UPL), Version 1.0
+#
+# Subject to the condition set forth below, permission is hereby granted to any
+# person obtaining a copy of this software, associated documentation and/or
+# data (collectively the "Software"), free of charge and under any and all
+# copyright rights in the Software, and any and all patent rights owned or
+# freely licensable by each licensor hereunder covering either (i) the
+# unmodified Software as contributed to or provided by such licensor, or (ii)
+# the Larger Works (as defined below), to deal in both
+#
+# (a) the Software, and
+#
+# (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
+# one is included with the Software each a "Larger Work" to which the Software
+# is contributed by such licensors),
+#
+# without restriction, including without limitation the rights to copy, create
+# derivative works of, display, perform, and distribute the Software and make,
+# use, sell, offer for sale, import, export, have made, and have sold the
+# Software and the Larger Work(s), and to sublicense the foregoing rights on
+# either these or other terms.
+#
+# This license is subject to the following condition:
+#
+# The above copyright notice and either this complete permission notice or at a
+# minimum a reference to the UPL must be included in all copies or substantial
+# portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import mmap
+
+# create 64 MB anonymous mmap
+size = 64*1024
+mm = mmap.mmap(-1, size)
+data = b"Hello World"
+ndata = len(data)
+niter = size // ndata
+
+
+def fill():
+    # sequential access
+    mm.seek(0)
+    for i in range(niter):
+        mm.write(data)
+
+
+def measure(num):
+    for i in range(num):
+        fill()
+    print(mm[0:ndata])
+
+
+def __benchmark__(num=100):
+    measure(num)
+

mx.graalpython/mx_graalpython_bench_param.py

@@ -96,6 +96,7 @@
     'magic-iter': ITER_10 + ['50000000'],
     'instantiation': ITER_10 + ['50000000'],
     'call-classmethod': ITER_15 + ['50000000'],
+    'mmap-anonymous': ITER_15 + ['1000'],
 }