1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
# 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")
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)
|
