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# -*- 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)
"""This is an unparser test package.
``amdfftw`` was chosen for its complexity and because it uses a negative array
index that was not being unparsed consistently from Python 2 to 3.
"""
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("3.1", sha256="3e777f3acef13fa1910db097e818b1d0d03a6a36ef41186247c6ab1ab0afc132")
version("3.0.1", sha256="87030c6bbb9c710f0a64f4f306ba6aa91dc4b182bb804c9022b35aef274d1a4c")
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.",
)
variant("amd-top-n-planner", default=False, description="Build with amd-top-n-planner support")
variant(
"amd-mpi-vader-limit", default=False, description="Build with amd-mpi-vader-limit support"
)
variant("static", default=False, description="Build with static suppport")
variant("amd-trans", default=False, description="Build with amd-trans suppport")
variant("amd-app-opt", default=False, description="Build with amd-app-opt suppport")
depends_on("texinfo")
provides("fftw-api@3", when="@2:")
conflicts(
"precision=quad",
when="@2.2 %aocc",
msg="Quad precision is not supported by AOCC clang version 2.2",
)
conflicts(
"+debug", when="@2.2 %aocc", msg="debug mode is not supported by AOCC clang version 2.2"
)
conflicts("%gcc@:7.2", when="@2.2:", msg="GCC version above 7.2 is required for AMDFFTW")
conflicts(
"+amd-fast-planner ", when="+mpi", msg="mpi thread is not supported with amd-fast-planner"
)
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="Quad precision is not supported with amd-fast-planner",
)
conflicts(
"+amd-fast-planner",
when="precision=long_double",
msg="long_double precision is not supported with amd-fast-planner",
)
conflicts(
"+amd-top-n-planner",
when="@:3.0.0",
msg="amd-top-n-planner is supported from 3.0.1 onwards",
)
conflicts(
"+amd-top-n-planner",
when="precision=long_double",
msg="long_double precision is not supported with amd-top-n-planner",
)
conflicts(
"+amd-top-n-planner",
when="precision=quad",
msg="Quad precision is not supported with amd-top-n-planner",
)
conflicts(
"+amd-top-n-planner",
when="+amd-fast-planner",
msg="amd-top-n-planner cannot be used with amd-fast-planner",
)
conflicts(
"+amd-top-n-planner", when="+threads", msg="amd-top-n-planner works only for single thread"
)
conflicts(
"+amd-top-n-planner", when="+mpi", msg="mpi thread is not supported with amd-top-n-planner"
)
conflicts(
"+amd-top-n-planner",
when="+openmp",
msg="openmp thread is not supported with amd-top-n-planner",
)
conflicts(
"+amd-mpi-vader-limit",
when="@:3.0.0",
msg="amd-mpi-vader-limit is supported from 3.0.1 onwards",
)
conflicts(
"+amd-mpi-vader-limit",
when="precision=quad",
msg="Quad precision is not supported with amd-mpi-vader-limit",
)
conflicts("+amd-trans", when="+threads", msg="amd-trans works only for single thread")
conflicts("+amd-trans", when="+mpi", msg="mpi thread is not supported with amd-trans")
conflicts("+amd-trans", when="+openmp", msg="openmp thread is not supported with amd-trans")
conflicts(
"+amd-trans",
when="precision=long_double",
msg="long_double precision is not supported with amd-trans",
)
conflicts(
"+amd-trans", when="precision=quad", msg="Quad precision is not supported with amd-trans"
)
conflicts("+amd-app-opt", when="@:3.0.1", msg="amd-app-opt is supported from 3.1 onwards")
conflicts("+amd-app-opt", when="+mpi", msg="mpi thread is not supported with amd-app-opt")
conflicts(
"+amd-app-opt",
when="precision=long_double",
msg="long_double precision is not supported with amd-app-opt",
)
conflicts(
"+amd-app-opt",
when="precision=quad",
msg="Quad precision is not supported with amd-app-opt",
)
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 "+debug" in spec:
options.append("--enable-debug")
if "+mpi" in spec:
options.append("--enable-mpi")
options.append("--enable-amd-mpifft")
else:
options.append("--disable-mpi")
options.append("--disable-amd-mpifft")
options.extend(self.enable_or_disable("shared"))
options.extend(self.enable_or_disable("openmp"))
options.extend(self.enable_or_disable("threads"))
options.extend(self.enable_or_disable("amd-fast-planner"))
options.extend(self.enable_or_disable("amd-top-n-planner"))
options.extend(self.enable_or_disable("amd-mpi-vader-limit"))
options.extend(self.enable_or_disable("static"))
options.extend(self.enable_or_disable("amd-trans"))
options.extend(self.enable_or_disable("amd-app-opt"))
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)
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