[bug#70175] [PATCH] gnu: llama-cpp: support OpenBLAS for faster prompt processing

[John Fremlin]

OpenBLAS is recommended by https://github.com/ggerganov/llama.cpp

Change-Id: Iaf6f22252da13e2d6f503992878b35b0da7de0aa
---
 gnu/packages/machine-learning.scm | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/machine-learning.scm 
b/gnu/packages/machine-learning.scm
index 225bff0ca2..ea3674ce3e 100644
--- a/gnu/packages/machine-learning.scm
+++ b/gnu/packages/machine-learning.scm
@@ -542,6 +542,8 @@ (define-public llama-cpp
       (build-system cmake-build-system)
       (arguments
        (list
+        #:configure-flags
+        '(list "-DLLAMA_BLAS=ON" "-DLLAMA_BLAS_VENDOR=OpenBLAS")
         #:modules '((ice-9 textual-ports)
                     (guix build utils)
                     ((guix build python-build-system) #:prefix python:)
@@ -576,8 +578,9 @@ (define-public llama-cpp
               (lambda _
                 (copy-file "bin/main" (string-append #$output 
"/bin/llama")))))))
       (inputs (list python))
+      (native-inputs (list pkg-config))
       (propagated-inputs
-       (list python-numpy python-pytorch python-sentencepiece))
+       (list python-numpy python-pytorch python-sentencepiece openblas))
       (home-page "https://github.com/ggerganov/llama.cpp";)
       (synopsis "Port of Facebook's LLaMA model in C/C++")
       (description "This package provides a port to Facebook's LLaMA collection

base-commit: 1441a205b1ebb610ecfae945b5770734cbe8478c
-- 
2.41.0