diff --git a/doc/using/overlays.xml b/doc/using/overlays.xml
index 3fa68e32a3c5..7f6ee040c7c7 100644
--- a/doc/using/overlays.xml
+++ b/doc/using/overlays.xml
@@ -178,26 +178,40 @@ self: super:
Intel
- MKL (only works on x86 architecture, unfree)
+ MKL (only works on the x86_64 architecture, unfree)
The Nixpkgs attribute is mkl.
+
+
+ AMD
+ BLIS/LIBFLAME (optimized for modern AMD x86_64 CPUs)
+
+
+ The AMD BLIS library, with attribute amd-blis,
+ provides a BLAS implementation. The complementary AMD LIBFLAME
+ library, with attribute amd-libflame, provides
+ a LAPACK implementation.
+
+
Introduced in PR
- #83888, we are able to override the ‘blas’ and ‘lapack’
- packages to use different implementations, through the
- ‘blasProvider’ and ‘lapackProvider’ argument. This can be used
+ #83888, we are able to override the blas
+ and lapack packages to use different implementations,
+ through the blasProvider and
+ lapackProvider argument. This can be used
to select a different provider. BLAS providers will have
symlinks in $out/lib/libblas.so.3 and
$out/lib/libcblas.so.3 to their respective
BLAS libraries. Likewise, LAPACK providers will have symlinks
in $out/lib/liblapack.so.3 and
$out/lib/liblapacke.so.3 to their respective
- LAPCK libraries. For example, Intel MKL is both a BLAS and
+ LAPACK libraries. For example, Intel MKL is both a BLAS and
LAPACK provider. An overlay can be created to use Intel MKL
that looks like:
@@ -216,8 +230,9 @@ self: super:
This overlay uses Intel’s MKL library for both BLAS and LAPACK
interfaces. Note that the same can be accomplished at runtime
- using LD_LIBRARY_PATH of libblas.so.3 and
- liblapack.so.3. For instance:
+ using LD_LIBRARY_PATH of
+ libblas.so.3 and
+ liblapack.so.3. For instance:
$ LD_LIBRARY_PATH=$(nix-build -A mkl)/lib:$LD_LIBRARY_PATH nix-shell -p octave --run octave