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# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
import os
from spack.package import *
def is_integer(x):
"""Any integer value"""
try:
return float(x).is_integer()
except ValueError:
return False
class Qthreads(AutotoolsPackage):
"""The qthreads API is designed to make using large numbers of
threads convenient and easy, and to allow portable access to
threading constructs used in massively parallel shared memory
environments. The API maps well to both MTA-style threading and
PIM-style threading, and we provide an implementation of this
interface in both a standard SMP context as well as the SST
context. The qthreads API provides access to full/empty-bit
(FEB) semantics, where every word of memory can be marked
either full or empty, and a thread can wait for any word to
attain either state."""
homepage = "http://www.cs.sandia.gov/qthreads/"
test_requires_compiler = True
test_base_path = join_path("test", "basics")
tags = ["e4s"]
version("1.18", sha256="d1a808b35d3af0012194a8f3afe72241dfcffca7e88a7104fa02a46c73022880")
version("1.17", sha256="b17efb3c94c2027b8edd759584f4b1fa1e2725f1878a7a098d7bc58ad38d82f1")
version("1.16", sha256="923d58f3ecf7d838a18c3616948ea32ddace7196c6805518d052c51a27219970")
version("1.15", sha256="3ac2dc24debff004a2998933de5724b1e14e1ae262fa9942acbb01f77819a23b")
version("1.14", sha256="16f15e5b2e35b6329a857d24c283a1e43cd49921ee49a1446d4f31bf9c6f5cf9")
version("1.12", sha256="2c13a5f6f45bc2f22038d272be2e748e027649d3343a9f824da9e86a88b594c9")
version("1.11", sha256="dbde6c7cb7de7e89921e47363d09cecaebf775c9d090496c2be8350355055571")
version("1.10", sha256="29fbc2e54bcbc814c1be13049790ee98c505f22f22ccee34b7c29a4295475656")
patch("restrict.patch", when="@:1.10")
patch("trap.patch", when="@:1.10")
variant("hwloc", default=True, description="hwloc support")
variant("spawn_cache", default=False, description="enables worker specific cache of spawns")
variant(
"scheduler",
default="nemesis",
values=("nemesis", "lifo", "mutexfifo", "mtsfifo", "sherwood", "distrib", "nottingham"),
multi=False,
description="Specify which scheduler policy to use",
)
variant("static", default=True, description="Build static library")
variant(
"stack_size",
default=4096,
description="Specify number of bytes to use in a stack",
values=is_integer,
)
depends_on("hwloc@1.0:1", when="@:1.15 +hwloc")
depends_on("hwloc@1.5:2", when="@1.16: +hwloc")
def url_for_version(self, version):
# if version is greater than 1.17, use new default
if version >= Version("1.17"):
url_fmt = (
"https://github.com/Qthreads/qthreads/releases/download/{0}/qthread-{0}.tar.gz"
)
# otherwise, use .bz2 file format
else:
url_fmt = (
"https://github.com/Qthreads/qthreads/releases/download/{0}/qthread-{0}.tar.bz2"
)
return url_fmt.format(version)
def configure_args(self):
spec = self.spec
if "+hwloc" in self.spec:
args = [
"--enable-guard-pages",
"--with-topology=hwloc",
"--with-hwloc=%s" % spec["hwloc"].prefix,
]
else:
args = ["--with-topology=no"]
if "+spawn_cache" in self.spec:
args.append("--enable-spawn-cache")
else:
args.append("--disable-spawn-cache")
if "+static" in self.spec:
args.append("--enable-static=yes")
else:
args.append("--enable-static=no")
args.append("--with-default-stack-size=%s" % self.spec.variants["stack_size"].value)
args.append("--with-scheduler=%s" % self.spec.variants["scheduler"].value)
return args
@run_after("install")
def setup_build_tests(self):
"""Copy the build test files after the package is installed to an
install test subdirectory for use during `spack test run`."""
self.cache_extra_test_sources([join_path("test", "argparsing.h"), self.test_base_path])
def _build_and_run_test(self, test):
"""Build and run the test."""
test_root = install_test_root(self)
options = [
f"-I{self.prefix.include}",
f"-I{join_path(test_root, 'test')}",
join_path(test_root, self.test_base_path, f"{test}.c"),
"-o",
test,
f"-L{self.prefix.lib}",
"-lqthread",
f"{self.compiler.cc_rpath_arg}{self.prefix.lib}",
]
cc = which(os.environ["CC"])
cc(*options)
exe = which(join_path(".", test))
exe()
def test_hello_world(self):
"""build and run hello_world"""
self._build_and_run_test("hello_world")
def test_hello_world_multi(self):
"""build and run hello_world_multi"""
self._build_and_run_test("hello_world_multi")
def test_qthread_id(self):
"""build and run qthread_id"""
self._build_and_run_test("qthread_id")
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