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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
# Copyright 2013-2021 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 import *
from spack.pkg.builtin.fftw import FftwBase
class Amdfftw(FftwBase):
"""FFTW (AMD Optimized version) is a comprehensive collection of
fast C routines for computing the Discrete Fourier Transform (DFT)
and various special cases thereof.
It is an open-source implementation of the Fast Fourier transform
algorithm. It can compute transforms of real and complex-values
arrays of arbitrary size and dimension.
AMD Optimized FFTW is the optimized FFTW implementation targeted
for AMD CPUs.
For single precision build, please use precision value as float.
Example : spack install amdfftw precision=float
"""
_name = 'amdfftw'
homepage = "https://developer.amd.com/amd-aocl/fftw/"
url = "https://github.com/amd/amd-fftw/archive/3.0.tar.gz"
git = "https://github.com/amd/amd-fftw.git"
maintainers = ['amd-toolchain-support']
version('3.0', sha256='a69deaf45478a59a69f77c4f7e9872967f1cfe996592dd12beb6318f18ea0bcd')
version('2.2', sha256='de9d777236fb290c335860b458131678f75aa0799c641490c644c843f0e246f8')
variant('shared', default=True, description="Builds a shared version of the library")
variant('openmp', default=True, description="Enable OpenMP support")
variant('threads', default=False, description="Enable SMP threads support")
variant('debug', default=False, description="Builds a debug version of the library")
variant(
'amd-fast-planner',
default=False,
description="Option to reduce the planning time without much"
"tradeoff in the performance. It is supported for"
"Float and double precisions only.")
depends_on('texinfo')
provides('fftw-api@3', when='@2:')
conflicts('precision=quad', when='@2.2 %aocc', msg="AOCC clang doesn't support quad precision")
conflicts('+debug', when='@2.2 %aocc', msg="AOCC clang doesn't support debug")
conflicts('%gcc@:7.2', when="@2.2:", msg="Required GCC version above 7.2 for AMDFFTW")
conflicts('+amd-fast-planner', when="@2.2", msg="amd-fast-planner is supported from 3.0 onwards")
conflicts(
'+amd-fast-planner',
when='precision=quad',
msg="amd-fast-planner doesn't support quad precision")
conflicts(
'+amd-fast-planner',
when='precision=long_double',
msg="amd-fast-planner doesn't support long_double precision")
def configure(self, spec, prefix):
"""Configure function"""
# Base options
options = [
'--prefix={0}'.format(prefix),
'--enable-amd-opt'
]
# Check if compiler is AOCC
if '%aocc' in spec:
options.append("CC={0}".format(os.path.basename(spack_cc)))
options.append("FC={0}".format(os.path.basename(spack_fc)))
options.append("F77={0}".format(os.path.basename(spack_fc)))
if '+shared' in spec:
options.append('--enable-shared')
else:
options.append('--disable-shared')
if '+debug' in spec:
options.append('--enable-debug')
if '+openmp' in spec:
options.append('--enable-openmp')
else:
options.append('--disable-openmp')
if '+threads' in spec:
options.append('--enable-threads')
else:
options.append('--disable-threads')
if '+mpi' in spec:
options.append('--enable-mpi')
options.append('--enable-amd-mpifft')
else:
options.append('--disable-mpi')
options.append('--disable-amd-mpifft')
if '+amd-fast-planner' in spec:
options.append('--enable-amd-fast-planner')
else:
options.append('--disable-amd-fast-planner')
if not self.compiler.f77 or not self.compiler.fc:
options.append("--disable-fortran")
# Cross compilation is supported in amd-fftw by making use of target
# variable to set AMD_ARCH configure option.
# Spack user can not directly use AMD_ARCH for this purpose but should
# use target variable to set appropriate -march option in AMD_ARCH.
arch = spec.architecture
options.append(
"AMD_ARCH={0}".format(
arch.target.optimization_flags(
spec.compiler).split("=")[-1]))
# Specific SIMD support.
# float and double precisions are supported
simd_features = ['sse2', 'avx', 'avx2']
simd_options = []
for feature in simd_features:
msg = '--enable-{0}' if feature in spec.target else '--disable-{0}'
simd_options.append(msg.format(feature))
# When enabling configure option "--enable-amd-opt", do not use the
# configure option "--enable-generic-simd128" or
# "--enable-generic-simd256"
# Double is the default precision, for all the others we need
# to enable the corresponding option.
enable_precision = {
'float': ['--enable-float'],
'double': None,
'long_double': ['--enable-long-double'],
'quad': ['--enable-quad-precision']
}
# Different precisions must be configured and compiled one at a time
configure = Executable('../configure')
for precision in self.selected_precisions:
opts = (enable_precision[precision] or []) + options[:]
# SIMD optimizations are available only for float and double
if precision in ('float', 'double'):
opts += simd_options
with working_dir(precision, create=True):
configure(*opts)
|
