# The packaged OpenBLAS gives what appear to be optimal results on AVX
# and older x86 systems -- essentially the same as the proprietary
# BLAS. The packaged Atlas doesn't have AVX support and, in general,
# needs to be built natively for optimal results.  However, OpenBLAS
# is currently only packaged for x86.
%ifarch %{ix86} x86_64
%bcond_without openblas
%else
%bcond_with openblas
%endif

%global _docdir_fmt %{name}

Name:           hpl
URL:            http://www.netlib.org/benchmark/hpl/
Version:        2.1
Release:        7%{?dist}
License:        BSD with advertising
Requires:       %{name}-common = %{version}-%{release}
BuildRequires:  mpich-devel, openmpi-devel
%if %{with openblas}
BuildRequires:  openblas-devel
%else
BuildRequires:  atlas-devel
%endif
Group:          Applications/System
Summary:        A Portable Implementation of the High-Performance Linpack Benchmark
Source0:        http://www.netlib.org/benchmark/hpl/%{name}-%{version}.tar.gz
# setup/Make.Linux_PII_CBLAS_gm tuned for Fedora
Source1:        hpl-README.Fedora
Patch0:         hpl-2.1-fedora.patch

%description
HPL is a software package that solves a (random) dense linear system in
double precision (64 bits) arithmetic on distributed-memory computers.
It can thus be regarded as a portable as well as freely available
implementation of the High Performance Computing Linpack Benchmark.

%package common
Summary: HPL common files
BuildArch: noarch

%description common
HPL common files

%package doc
Summary: HPL documentation
Requires: %{name}-common = %{version}-%{release}
BuildArch: noarch

%description doc
HPL documentation.

%package openmpi
Summary: HPL compiled against openmpi
# Require explicitly for dir ownership and to guarantee the pickup of the right runtime
Requires: openmpi
Requires: %{name}-common = %{version}-%{release}

%description openmpi
This package contains HPL compiled with openmpi.

%package mpich
Summary: HPL compiled against mpich
BuildRequires: mpich-devel
# Require explicitly for dir ownership and to guarantee the pickup of the right runtime
Requires: mpich
Requires: %{name}-common = %{version}-%{release}

%description mpich
This package contains HPL compiled with mpich.


%prep
%setup -q
%patch0 -p1 -b .fedora

cp %{SOURCE1} README.Fedora

# Remove executable mode from sources
find . -type f -perm /111 -exec chmod a-x {} \;

# Patch docs to point to upstream sources
sed -i "s|\"hpl-%{version}.tar.gz\"|\"http://www.netlib.org/benchmark/hpl/hpl-%{version}.tar.gz\"|g" www/*.html

%build
# Have to do off-root builds to be able to build many versions at once

# To avoid replicated code define a build macro
# Cannot build in parallel (with _smp_mflags macro)
%global dobuild() \
cp setup/Make.Linux_PII_CBLAS_gm Make.$MPI_COMPILER \
make TOPdir="%{_builddir}/%{name}-%{version}" arch=$MPI_COMPILER ARCH=$MPI_COMPILER \\\
%if %{with openblas} \
 LAlib=-lopenblas \
%endif

# Build OpenMPI version
%{_openmpi_load}
%dobuild
%{_openmpi_unload}

# Build mpich version
%{_mpich_load}
%dobuild
%{_mpich_unload}


%install
# Install OpenMPI version
%{_openmpi_load}
install -D -m 0755 bin/${MPI_COMPILER}/xhpl %{buildroot}${MPI_BIN}/xhpl${MPI_SUFFIX}
%{_openmpi_unload}

# Install MPICH version
%{_mpich_load}
install -D -m 0755 bin/${MPI_COMPILER}/xhpl %{buildroot}${MPI_BIN}/xhpl${MPI_SUFFIX}
%{_mpich_unload}

# Install HPL.dat
install -D -m 0644 testing/ptest/HPL.dat %{buildroot}%{_sysconfdir}/%{name}/HPL.dat

# Install docs
install -d -D -m 0755 %{buildroot}%{_docdir}/%{name}/html
install -p -D -m 0644 www/* %{buildroot}%{_docdir}/%{name}/html

# Install man pages
install -d -D -m 0755 %{buildroot}%{_mandir}/man3
install -p -D -m 0644 man/man3/* %{buildroot}%{_mandir}/man3


%check
# Check openmpi implementation
%{_openmpi_load}
pushd bin/${MPI_COMPILER}
mpirun -n 4 ./xhpl
popd
%{_openmpi_unload}

# Check mpich implementation
%{_mpich_load}
pushd bin/${MPI_COMPILER}
mpirun -n 4 ./xhpl
popd
%{_mpich_unload}


%files common
%exclude %{_docdir}/%{name}/html
%license COPYRIGHT
%doc BUGS HISTORY README TODO TUNING README.Fedora
%{_sysconfdir}/%{name}

%files doc
%doc %{_docdir}/%{name}/html
%{_mandir}/man3/*.3*

%files openmpi
%{_libdir}/openmpi/bin/xhpl*

%files mpich
%{_libdir}/mpich/bin/xhpl*


%changelog
* Thu May 14 2015 Jaroslav Škarvada <jskarvad@redhat.com> - 2.1-7
- Moved HPL.dat to /etc/hpl
- Added build time check testing openmpi and mpich implementations

* Wed May 13 2015 Jaroslav Škarvada <jskarvad@redhat.com> - 2.1-6
- Added '_docdir_fmt name' for hpl-common subpackage to store its
  documentation under /usr/share/doc/hpl
- Other changes according to Fedora review

* Tue Mar  3 2015 Jaroslav Škarvada <jskarvad@redhat.com> - 2.1-5
- Moved HPL.dat to /usr/share

* Wed Jan 14 2015 Dave Love <d.love@liverpool.ac.uk> - 2.1-4
- Build against openblas on x86
- Fix doc description
- Port to current Fedora
- Drop headers and devel packages

* Thu Jul 31 2014 Jaroslav Škarvada <jskarvad@redhat.com> - 2.1-3
- Used mpich instead of mpich2

* Mon Jun 17 2013 Jaroslav Škarvada <jskarvad@redhat.com> - 2.1-2
- Moved files from the main package to the common subpackage

* Tue May 28 2013 Jaroslav Škarvada <jskarvad@redhat.com> - 2.1-1
- New version
- Re-packaged according to MPI guidelines

* Mon Jun 11 2012 Jaroslav Škarvada <jskarvad@redhat.com> - 2.0-2
- Fixed mpich2 module loading on architectures other than x86_64

* Fri Jun 08 2012 Jaroslav Škarvada <jskarvad@redhat.com> - 2.0-1
- Initial release