add first speedymalloc draft

speedymalloc is a thread-local cached bump pointer allocator

1 files changed, 29 insertions, 0 deletions

diff --git a/src/allocators/speedymalloc.py b/src/allocators/speedymalloc.py
new file mode 100644
index 0000000..9df3d7d
--- /dev/null
+++ b/src/allocators/speedymalloc.py
@@ -0,0 +1,29 @@
+# Copyright 2018-2019 Florian Fischer <florian.fl.fischer@fau.de>
+#
+# This file is part of allocbench.
+#
+# allocbench is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# allocbench is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with allocbench.  If not, see <http://www.gnu.org/licenses/>.
+
+"""Bumpptr allocator
+
+The bumpptr allocator makes the biggest possible tradeoff between speed and
+memory in speeds favor. Memory is mmapped per thread and never freed.
+See src/bumpptr.c for the actual implementation.
+"""
+
+import os
+from src.allocator import Allocator, BUILDDIR
+
+speedymalloc = Allocator("speedymalloc", LD_PRELOAD=os.path.join(BUILDDIR, "speedymalloc.so"),
+                    color="xkcd:dark")