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[bug#33952] [PATCH 01/14] gnu: Add gemmlowp-for-tensorflow.
From: |
Ricardo Wurmus |
Subject: |
[bug#33952] [PATCH 01/14] gnu: Add gemmlowp-for-tensorflow. |
Date: |
Wed, 2 Jan 2019 17:17:54 +0100 |
* gnu/packages/machine-learning.scm (gemmlowp-for-tensorflow): New variable.
---
gnu/packages/machine-learning.scm | 60 ++++++++++++++++++++++++++++++-
1 file changed, 59 insertions(+), 1 deletion(-)
diff --git a/gnu/packages/machine-learning.scm
b/gnu/packages/machine-learning.scm
index 084e62cca..f4e66b9a3 100644
--- a/gnu/packages/machine-learning.scm
+++ b/gnu/packages/machine-learning.scm
@@ -58,7 +58,8 @@
#:use-module (gnu packages statistics)
#:use-module (gnu packages swig)
#:use-module (gnu packages xml)
- #:use-module (gnu packages xorg))
+ #:use-module (gnu packages xorg)
+ #:use-module (ice-9 match))
(define-public fann
;; The last release is >100 commits behind, so we package from git.
@@ -621,6 +622,63 @@ Support Vector Machines, Spectral Clustering, Kernel PCA,
Gaussian Processes
and a QP solver.")
(license license:gpl2)))
+(define-public gemmlowp-for-tensorflow
+ ;; The commit hash is taken from "tensorflow/workspace.bzl".
+ (let ((commit "38ebac7b059e84692f53e5938f97a9943c120d98")
+ (revision "2"))
+ (package
+ (name "gemmlowp")
+ (version (git-version "0" revision commit))
+ (source (origin
+ (method url-fetch)
+ (uri (string-append "https://mirror.bazel.build/"
+ "github.com/google/gemmlowp/archive/"
+ commit ".zip"))
+ (file-name (string-append "gemmlowp-" version ".zip"))
+ (sha256
+ (base32
+ "0n56s2g8hrssm4w8qj1v58gfm56a04n9v992ixkmvk6zjiralzxq"))))
+ (build-system cmake-build-system)
+ (arguments
+ `(#:configure-flags
+ (list ,@(match (%current-system)
+ ((or "x86_64-linux" "i686-linux")
+ '("-DCMAKE_CXX_FLAGS=-msse4.1"))
+ (_ '())))
+ #:phases
+ (modify-phases %standard-phases
+ ;; This directory contains the CMakeLists.txt.
+ (add-after 'unpack 'chdir
+ (lambda _ (chdir "contrib") #t))
+ ;; There is no install target
+ (replace 'install
+ (lambda* (#:key outputs #:allow-other-keys)
+ (let* ((out (assoc-ref outputs "out"))
+ (lib (string-append out "/lib/"))
+ (inc (string-append out "/include/")))
+ (install-file "../build/libeight_bit_int_gemm.so" lib)
+ (for-each (lambda (dir)
+ (let ((target (string-append inc "/" dir)))
+ (mkdir-p target)
+ (for-each (lambda (h)
+ (install-file h target))
+ (find-files (string-append "../" dir)
+ "\\.h$"))))
+ '("meta" "profiling" "public" "fixedpoint"
+ "eight_bit_int_gemm" "internal"))
+ #t))))))
+ (native-inputs
+ `(("unzip" ,unzip)))
+ (home-page "https://github.com/google/gemmlowp")
+ (synopsis "Small self-contained low-precision GEMM library")
+ (description
+ "This is a small self-contained low-precision @dfn{general matrix
+multiplication} (GEMM) library. It is not a full linear algebra library.
+Low-precision means that the input and output matrix entries are integers on
+at most 8 bits. To avoid overflow, results are internally accumulated on more
+than 8 bits, and at the end only some significant 8 bits are kept.")
+ (license license:asl2.0))))
+
(define-public dlib
(package
(name "dlib")
--
2.19.1
- [bug#33952] Add tensorflow., Ricardo Wurmus, 2019/01/02
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Ricardo Wurmus <=
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- [bug#33952] [PATCH 03/14] gnu: Add c-ares-next., Ricardo Wurmus, 2019/01/02
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