73 lines
2.8 KiB
Python
73 lines
2.8 KiB
Python
# Copyright 2013-2024 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)
|
|
|
|
from spack.package import *
|
|
|
|
|
|
class Stream(MakefilePackage):
|
|
"""The STREAM benchmark is a simple synthetic benchmark program that
|
|
measures sustainable memory bandwidth (in MB/s) and the corresponding
|
|
computation rate for simple vector kernels."""
|
|
|
|
homepage = "https://www.cs.virginia.edu/stream/ref.html"
|
|
git = "https://github.com/jeffhammond/STREAM.git"
|
|
|
|
version("5.10")
|
|
|
|
depends_on("c", type="build") # generated
|
|
depends_on("fortran", type="build") # generated
|
|
|
|
variant("openmp", default=False, description="Build with OpenMP support")
|
|
|
|
variant("stream_array_size", default="none", description="Size of work arrays in elements")
|
|
variant(
|
|
"ntimes",
|
|
default="none",
|
|
description='STREAM runs each kernel "NTIMES" times and reports the *best* result',
|
|
)
|
|
variant("offset", default="none", description="Relative alignment between arrays")
|
|
variant(
|
|
"stream_type",
|
|
default="none",
|
|
values=("none", "float", "double", "int", "long"),
|
|
description="Datatype of arrays elements",
|
|
)
|
|
|
|
def edit(self, spec, prefix):
|
|
makefile = FileFilter("Makefile")
|
|
|
|
# Use the Spack compiler wrappers
|
|
makefile.filter("CC = .*", "CC = {0}".format(spack_cc))
|
|
makefile.filter("FC = .*", "FC = {0}".format(spack_f77))
|
|
|
|
cflags = "-O2"
|
|
fflags = "-O2"
|
|
if "+openmp" in self.spec:
|
|
cflags += " " + self.compiler.openmp_flag
|
|
fflags += " " + self.compiler.openmp_flag
|
|
if "%aocc" in self.spec:
|
|
cflags += " -mcmodel=large -ffp-contract=fast -fnt-store"
|
|
|
|
if self.spec.variants["stream_array_size"].value != "none":
|
|
cflags += " -DSTREAM_ARRAY_SIZE={0}".format(
|
|
self.spec.variants["stream_array_size"].value
|
|
)
|
|
if self.spec.variants["ntimes"].value != "none":
|
|
cflags += " -DNTIMES={0}".format(self.spec.variants["ntimes"].value)
|
|
if self.spec.variants["offset"].value != "none":
|
|
cflags += " -DOFFSET={0}".format(self.spec.variants["offset"].value)
|
|
if self.spec.variants["stream_type"].value != "none":
|
|
cflags += " -DSTREAM_TYPE={0}".format(self.spec.variants["stream_type"].value)
|
|
|
|
# Set the appropriate flags for this compiler
|
|
makefile.filter("CFLAGS = .*", "CFLAGS = {0}".format(cflags))
|
|
makefile.filter("FFLAGS = .*", "FFLAGS = {0}".format(fflags))
|
|
|
|
def install(self, spec, prefix):
|
|
# Manual installation
|
|
mkdir(prefix.bin)
|
|
install("stream_c.exe", prefix.bin)
|
|
install("stream_f.exe", prefix.bin)
|