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
|
# Copyright 2013-2018 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 *
class Essl(Package):
"""IBM's Engineering and Scientific Subroutine Library (ESSL)."""
homepage = "https://www.ibm.com/systems/power/software/essl/"
variant('ilp64', default=False, description='64 bit integers')
variant(
'threads', default='openmp',
description='Multithreading support',
values=('openmp', 'none'),
multi=False
)
variant('cuda', default=False, description='CUDA acceleration')
provides('blas')
conflicts('+cuda', when='+ilp64',
msg='ESSL+cuda+ilp64 cannot combine CUDA acceleration'
' 64 bit integers')
conflicts('+cuda', when='threads=none',
msg='ESSL+cuda threads=none cannot combine CUDA acceleration'
' without multithreading support')
@property
def blas_libs(self):
spec = self.spec
prefix = self.prefix
if '+ilp64' in spec:
essl_lib = ['libessl6464']
else:
essl_lib = ['libessl']
if spec.satisfies('threads=openmp'):
# ESSL SMP support requires XL or Clang OpenMP library
if '%xl' in spec or '%xl_r' in spec or '%clang' in spec:
if '+ilp64' in spec:
essl_lib = ['libesslsmp6464']
else:
if '+cuda' in spec:
essl_lib = ['libesslsmpcuda']
else:
essl_lib = ['libesslsmp']
essl_root = prefix.lib64
essl_libs = find_libraries(
essl_lib,
root=essl_root,
shared=True
)
return essl_libs
def install(self, spec, prefix):
raise InstallError('IBM ESSL is not installable;'
' it is vendor supplied')
|
