142 lines
4.9 KiB
Python
142 lines
4.9 KiB
Python
# Copyright Spack Project Developers. See COPYRIGHT file for details.
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#
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# SPDX-License-Identifier: (Apache-2.0 OR MIT)
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from spack.package import *
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class LibflameBase(AutotoolsPackage):
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"""Base class for building Libflame, shared with the AMD
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optimized version of the library in the 'libflame' package"""
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provides("lapack", when="+lapack2flame")
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variant(
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"lapack2flame",
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default=True,
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description="Map legacy LAPACK routine invocations"
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" to their corresponding native C implementations"
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" in libflame.",
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)
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variant(
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"threads",
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default="none",
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description="Multithreading support",
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values=("pthreads", "openmp", "none"),
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multi=False,
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)
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variant("static", default=True, description="Build static library")
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variant("shared", default=True, description="Build shared library")
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variant("debug", default=False, description="Build with debugging support")
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# TODO: Libflame prefers to defer to an external
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# LAPACK library for small problems. Is this to be
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# implemented in spack?
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# Libflame has a secondary dependency on BLAS:
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# https://github.com/flame/libflame/issues/24
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depends_on("blas")
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# There is a known issue with the makefile:
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# https://groups.google.com/forum/#!topic/libflame-discuss/lQKEfjyudOY
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patch("Makefile_5.1.0.patch", when="@5.1.0")
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# Problems with permissions on installed libraries:
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# https://github.com/flame/libflame/issues/24
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patch("Makefile_5.2.0.patch", when="@5.2.0")
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# Problems building on macOS:
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# https://github.com/flame/libflame/issues/23
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patch("Makefile_5.2.0_darwin.patch", when="@5.2.0")
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def flag_handler(self, name, flags):
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# -std=gnu99 at least required, old versions of GCC default to -std=c90
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if self.spec.satisfies("%gcc@:5.1") and name == "cflags":
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flags.append("-std=gnu99")
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return (flags, None, None)
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def enable_or_disable_threads(self):
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opt_val = self.spec.variants["threads"].value
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if opt_val == "none":
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opt_val = "no"
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return ["--enable-multithreading={0}".format(opt_val)]
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def configure_args(self):
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# Libflame has a secondary dependency on BLAS,
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# but doesn't know which library name to expect:
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# https://github.com/flame/libflame/issues/24
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config_args = ["LIBS=" + self.spec["blas"].libs.ld_flags]
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if self.spec.satisfies("+lapack2flame"):
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config_args.append("--enable-lapack2flame")
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else:
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config_args.append("--disable-lapack2flame")
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if self.spec.satisfies("+static"):
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config_args.append("--enable-static-build")
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else:
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config_args.append("--disable-static-build")
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if self.spec.satisfies("+shared"):
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config_args.append("--enable-dynamic-build")
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else:
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config_args.append("--disable-dynamic-build")
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if self.spec.satisfies("+debug"):
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config_args.append("--enable-debug")
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else:
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config_args.append("--disable-debug")
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config_args.extend(self.enable_or_disable_threads())
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if self.spec.variants["threads"].value != "none":
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config_args.append("--enable-supermatrix")
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else:
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config_args.append("--disable-supermatrix")
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# https://github.com/flame/libflame/issues/21
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config_args.append("--enable-max-arg-list-hack")
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if self.spec.satisfies("^blis"):
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config_args.append("LDFLAGS=-L{}".format(self.spec["blis"].prefix.lib))
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return config_args
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@run_after("install")
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def darwin_fix(self):
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# The shared library is not installed correctly on Darwin; fix this
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if self.spec.satisfies("platform=darwin"):
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fix_darwin_install_name(self.prefix.lib)
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class Libflame(LibflameBase):
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"""libflame is a portable library for dense matrix computations,
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providing much of the functionality present in LAPACK, developed
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by current and former members of the Science of High-Performance
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Computing (SHPC) group in the Institute for Computational
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Engineering and Sciences at The University of Texas at Austin.
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libflame includes a compatibility layer, lapack2flame, which
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includes a complete LAPACK implementation."""
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homepage = "https://www.cs.utexas.edu/~flame/web/libFLAME.html"
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url = "https://github.com/flame/libflame/archive/5.1.0.tar.gz"
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git = "https://github.com/flame/libflame.git"
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license("BSD-3-Clause")
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version("master", branch="master")
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version("5.2.0", sha256="997c860f351a5c7aaed8deec00f502167599288fd0559c92d5bfd77d0b4d475c")
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version("5.1.0", sha256="e7189b750890bd781fe773f366b374518dd1d89a6513d3d6261bf549826384d1")
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depends_on("c", type="build") # generated
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depends_on("fortran", type="build") # generated
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provides("flame@5.2", when="@5.2.0")
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provides("flame@5.1", when="@5.1.0")
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depends_on("python", type="build")
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