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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
|
# Copyright 2013-2019 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 import *
from spack.spec import ConflictsInSpecError
import llnl.util.lang
# os is used for rename, etc in patch()
import os
class Fftw(AutotoolsPackage):
"""FFTW is a C subroutine library for computing the discrete Fourier
transform (DFT) in one or more dimensions, of arbitrary input
size, and of both real and complex data (as well as of even/odd
data, i.e. the discrete cosine/sine transforms or DCT/DST). We
believe that FFTW, which is free software, should become the FFT
library of choice for most applications."""
homepage = "http://www.fftw.org"
url = "http://www.fftw.org/fftw-3.3.4.tar.gz"
list_url = "http://www.fftw.org/download.html"
version('3.3.8', '8aac833c943d8e90d51b697b27d4384d')
version('3.3.7', '0d5915d7d39b3253c1cc05030d79ac47')
version('3.3.6-pl2', '927e481edbb32575397eb3d62535a856')
version('3.3.5', '6cc08a3b9c7ee06fdd5b9eb02e06f569')
version('3.3.4', '2edab8c06b24feeb3b82bbb3ebf3e7b3')
version('2.1.5', '8d16a84f3ca02a785ef9eb36249ba433')
patch('pfft-3.3.5.patch', when="@3.3.5:+pfft_patches", level=0)
patch('pfft-3.3.4.patch', when="@3.3.4+pfft_patches", level=0)
patch('pgi-3.3.6-pl2.patch', when="@3.3.6-pl2%pgi", level=0)
variant(
'float', default=True,
description='Produces a single precision version of the library')
variant(
'double', default=True,
description='Produces a double precision version of the library')
variant(
'long_double', default=True,
description='Produces a long double precision version of the library')
variant(
'quad', default=False,
description='Produces a quad precision version of the library '
'(works only with GCC and libquadmath)')
variant('openmp', default=False, description="Enable OpenMP support.")
variant('mpi', default=True, description='Activate MPI support')
variant(
'pfft_patches', default=False,
description='Add extra transpose functions for PFFT compatibility')
variant(
'simd',
default='generic-simd128,generic-simd256',
values=(
'sse', 'sse2', 'avx', 'avx2', 'avx512', # Intel
'avx-128-fma', 'kcvi', # Intel
'altivec', 'vsx', # IBM
'neon', # ARM
'generic-simd128', 'generic-simd256' # Generic
),
description='Optimizations that are enabled in this build',
multi=True
)
variant('fma', default=False, description='Activate support for fma')
depends_on('mpi', when='+mpi')
depends_on('automake', type='build', when='+pfft_patches')
depends_on('autoconf', type='build', when='+pfft_patches')
depends_on('libtool', type='build', when='+pfft_patches')
# https://github.com/FFTW/fftw3/commit/902d0982522cdf6f0acd60f01f59203824e8e6f3
conflicts('%gcc@8:8.9999', when="@3.3.7")
provides('fftw-api@2', when='@2.1.5')
provides('fftw-api@3', when='@3:')
def flag_handler(self, name, flags):
arch = ""
spec = self.spec
target_simds = {
('x86_64',): ('sse', 'sse2', 'avx', 'avx2', 'avx512',
'avx-128-fma', 'kcvi'),
('ppc', 'ppc64le', 'power7'): ('altivec', 'vsx'),
('arm',): ('neon',)
}
if spec.satisfies("platform=cray"):
# FIXME; It is assumed that cray is x86_64.
# If you support arm on cray, you need to fix it.
arch = "x86_64"
for targets, simds in target_simds.items():
if (
(arch not in targets)
and str(spec.target.family) not in targets
):
if any(spec.satisfies('simd={0}'.format(x)) for x in simds):
raise ConflictsInSpecError(
spec,
[(
spec,
spec.architecture.target,
spec.variants['simd'],
'simd={0} are valid only on {1}'.format(
','.join(target_simds[targets]),
','.join(targets)
)
)]
)
return (flags, None, None)
@property
def libs(self):
# Reduce repetitions of entries
query_parameters = list(llnl.util.lang.dedupe(
self.spec.last_query.extra_parameters
))
# List of all the suffixes associated with float precisions
precisions = [
('float', 'f'),
('double', ''),
('long_double', 'l'),
('quad', 'q')
]
# Retrieve the correct suffixes, or use double as a default
suffixes = [v for k, v in precisions if k in query_parameters] or ['']
# Construct the list of libraries that needs to be found
libraries = []
for sfx in suffixes:
if 'mpi' in query_parameters and '+mpi' in self.spec:
libraries.append('libfftw3' + sfx + '_mpi')
if 'openmp' in query_parameters and '+openmp' in self.spec:
libraries.append('libfftw3' + sfx + '_omp')
libraries.append('libfftw3' + sfx)
return find_libraries(libraries, root=self.prefix, recursive=True)
def patch(self):
# If fftw/config.h exists in the source tree, it will take precedence
# over the copy in build dir. As only the latter has proper config
# for our build, this is a problem. See e.g. issue #7372 on github
if os.path.isfile('fftw/config.h'):
os.rename('fftw/config.h', 'fftw/config.h.SPACK_RENAMED')
def autoreconf(self, spec, prefix):
if '+pfft_patches' in spec:
autoreconf = which('autoreconf')
autoreconf('-ifv')
def configure(self, spec, prefix):
# Base options
options = [
'--prefix={0}'.format(prefix),
'--enable-shared',
'--enable-threads'
]
if not self.compiler.f77 or not self.compiler.fc:
options.append("--disable-fortran")
if spec.satisfies('@:2'):
options.append('--enable-type-prefix')
# Variants that affect every precision
if '+openmp' in spec:
# Note: Apple's Clang does not support OpenMP.
if spec.satisfies('%clang'):
ver = str(self.compiler.version)
if ver.endswith('-apple'):
raise InstallError("Apple's clang does not support OpenMP")
options.append('--enable-openmp')
if spec.satisfies('@:2'):
# TODO: libtool strips CFLAGS, so 2.x libxfftw_threads
# isn't linked to the openmp library. Patch Makefile?
options.insert(0, 'CFLAGS=' + self.compiler.openmp_flag)
if '+mpi' in spec:
options.append('--enable-mpi')
# SIMD support
float_options, double_options = [], []
if spec.satisfies('@3:', strict=True):
for opts in (float_options, double_options):
opts += self.enable_or_disable('simd')
opts += self.enable_or_disable('fma')
configure = Executable('../configure')
# Build double/float/long double/quad variants
if '+double' in spec:
with working_dir('double', create=True):
configure(*(options + double_options))
if '+float' in spec:
with working_dir('float', create=True):
configure('--enable-float', *(options + float_options))
if spec.satisfies('@3:+long_double'):
with working_dir('long-double', create=True):
configure('--enable-long-double', *options)
if spec.satisfies('@3:+quad'):
with working_dir('quad', create=True):
configure('--enable-quad-precision', *options)
def build(self, spec, prefix):
if '+double' in spec:
with working_dir('double'):
make()
if '+float' in spec:
with working_dir('float'):
make()
if spec.satisfies('@3:+long_double'):
with working_dir('long-double'):
make()
if spec.satisfies('@3:+quad'):
with working_dir('quad'):
make()
def check(self):
spec = self.spec
if '+double' in spec:
with working_dir('double'):
make("check")
if '+float' in spec:
with working_dir('float'):
make("check")
if spec.satisfies('@3:+long_double'):
with working_dir('long-double'):
make("check")
if spec.satisfies('@3:+quad'):
with working_dir('quad'):
make("check")
def install(self, spec, prefix):
if '+double' in spec:
with working_dir('double'):
make("install")
if '+float' in spec:
with working_dir('float'):
make("install")
if spec.satisfies('@3:+long_double'):
with working_dir('long-double'):
make("install")
if spec.satisfies('@3:+quad'):
with working_dir('quad'):
make("install")
|