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51 lines
2.1 KiB
Tcl
51 lines
2.1 KiB
Tcl
# -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
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PortSystem 1.0
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name libsharp
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version 1.0.0
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set branch 3.60
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categories science
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license GPL-2+
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maintainers {aronnax @lpsinger} openmaintainer
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description C/C++ library for fast spherical harmonic transforms
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long_description \
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libsharp is a library for spherical harmonic transforms (SHTs), which \
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evolved from the libpsht library, addressing several of its shortcomings, \
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such as adding MPI support for distributed memory systems and SHTs of \
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fields with arbitrary spin, but also supporting new developments in CPU \
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instruction sets like the Advanced Vector Extensions (AVX) or fused \
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multiply-accumulate (FMA) instructions. The library is implemented in \
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portable C99 and provides an interface that can be easily accessed from \
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other programming languages such as C++, Fortran, Python etc. Generally, \
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libsharp's performance is at least on par with that of its predecessor\; \
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however, significant improvements were made to the algorithms for scalar \
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SHTs, which are roughly twice as fast when using the same CPU capabilities.
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homepage https://healpix.sourceforge.io
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platforms darwin
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master_sites sourceforge:project/healpix/Healpix_${branch}/
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checksums rmd160 26353a493a40e47833a292e31d93c67ce56cd72a \
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sha256 e98293315ee0f8a4c69c627bda36297b45e35e7afc33f510756f212d36c02f92 \
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size 389247
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universal_variant no
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configure.args-append --disable-openmp
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default_variants +openmp
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variant openmp description "enable OpenMP parallel acceleration" {
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configure.args-delete --disable-openmp
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compiler.openmp_version 2.5
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}
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# Enable -ffast-math optimizatioins as per upstream author's instructions
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configure.cflags-append -ffast-math
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# On x86_64, enable runtime dispatch to optimized code paths for different
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# vector instruction sets.
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if {${configure.build_arch} eq "x86_64"} {
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configure.cflags-append -DMULTIARCH
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}
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