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from src.allocator import Allocator, Allocator_Sources, library_path
from src.util import print_error
version = "v1.0.0"
scalloc_src = Allocator_Sources("scalloc",
retrieve_cmds=["git clone https://github.com/cksystemsgroup/scalloc"],
prepare_cmds=["git checkout {}".format(version),
"cd {srcdir}; tools/make_deps.sh",
"cd {srcdir}; build/gyp/gyp --depth=. scalloc.gyp"],
reset_cmds=["git stash"])
class Scalloc (Allocator):
"""Scalloc definition for allocbench"""
def __init__(self, name, **kwargs):
kwargs["sources"] = scalloc_src
kwargs["build_cmds"] = ["cd {srcdir}; BUILDTYPE=Release make",
"mkdir -p {dir}"]
kwargs["LD_PRELOAD"] = "{srcdir}/out/Release/lib.target/libscalloc.so"
kwargs["patches"] = ["{patchdir}/scalloc_fix_log.patch"]
super().__init__(name, **kwargs)
def build(self):
with open("/proc/sys/vm/overcommit_memory", "r") as f:
if f.read()[0] != "1":
raise AssertionError("""\
vm.overcommit_memory not set
Scalloc needs permission to overcommit_memory.
sysctl vm.overcommit_memory=1
""")
return super().build()
scalloc = Scalloc("scalloc", color="xkcd:magenta")
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