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gnu: Add python-faiss.

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* gnu/packages/graph.scm (python-faiss): New variable.
This commit is contained in:
Ricardo Wurmus 2019-03-28 23:50:33 +01:00
parent 3e40318772
commit 51a9971ccb
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1 changed files with 50 additions and 0 deletions
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50
gnu/packages/graph.scm
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@ -22,6 +22,7 @@ (define-module (gnu packages graph)
#:use-module (guix download)
#:use-module (guix git-download)
#:use-module (guix packages)
#:use-module (guix utils)
#:use-module (guix build-system cmake)
#:use-module (guix build-system gnu)
#:use-module (guix build-system python)
@ -42,6 +43,7 @@ (define-module (gnu packages graph)
#:use-module (gnu packages python-web)
#:use-module (gnu packages python-xyz)
#:use-module (gnu packages statistics)
#:use-module (gnu packages swig)
#:use-module (gnu packages time)
#:use-module (gnu packages xml))
@ -322,3 +324,51 @@ (define-public faiss
vectors of any size, up to ones that possibly do not fit in RAM. It also
contains supporting code for evaluation and parameter tuning.")
(license license:bsd-3)))
(define-public python-faiss
(package (inherit faiss)
(name "python-faiss")
(build-system python-build-system)
(arguments
`(#:phases
(modify-phases %standard-phases
(add-after 'unpack 'chdir
(lambda _ (chdir "python") #t))
(add-after 'chdir 'build-swig
(lambda* (#:key inputs #:allow-other-keys)
(with-output-to-file "../makefile.inc"
(lambda ()
(let ((python-version ,(version-major+minor (package-version python))))
(format #t "\
PYTHONCFLAGS =-I~a/include/python~am/ -I~a/lib/python~a/site-packages/numpy/core/include
LIBS = -lpython~am -lfaiss
SHAREDFLAGS = -shared -fopenmp
CXXFLAGS = -fpermissive -std=c++11 -fopenmp -fPIC
CPUFLAGS = ~{~a ~}~%"
(assoc-ref inputs "python*") python-version
(assoc-ref inputs "python-numpy") python-version
python-version
(cons "-mpopcnt"
(list ,@(let ((system (or (%current-target-system)
(%current-system))))
(cond
((string-prefix? "x86_64" system)
'("-mavx" "-msse2"))
((string-prefix? "i686" system)
'("-msse2"))
(else
'())))))))))
(substitute* "Makefile"
(("../libfaiss.a") ""))
(invoke "make" "cpu"))))))
(inputs
`(("faiss" ,faiss)
("openblas" ,openblas)
("python*" ,python)
("swig" ,swig)))
(propagated-inputs
`(("python-matplotlib" ,python-matplotlib)
("python-numpy" ,python-numpy)))
(description "Faiss is a library for efficient similarity search and
clustering of dense vectors. This package provides Python bindings to the
Faiss library.")))