feature gate blas sgemm stuff

core/Cargo.toml

@@ -17,6 +17,7 @@ maintenance = { status = "actively-developed" }
 [dependencies]
 anyhow.workspace = true
 bit-set.workspace = true
+accelerate-src = { version = "0.3", optional = true }
 cblas = { version = "0.4", optional = true }
 blis-src = { version = "0.2", features = ["static", "pthreads"], optional = true }
 openblas-src = { version = "0.10", features = ["static"], optional = true }
@@ -40,6 +41,7 @@ tract-data = { version = "=0.21.2-pre", path = "../data" }
 default = [ ]
 complex = [ "tract-data/complex", "tract-linalg/complex" ]
 blas = [ "cblas" ]
+accelerate = [ "blas", "accelerate-src" ]
 blis = [ "blas", "blis-src" ]
 openblas = [ "blas", "openblas-src" ]
 paranoid_assertions = []

core/src/lib.rs

@@ -47,10 +47,12 @@
 
 #[cfg(feature="blas")]
 extern crate cblas;
+#[cfg(feature="accelerate")]
+extern crate accelerate_src;
 #[cfg(feature="blis")]
 extern crate blis_src;
 #[cfg(feature="openblas")]
- extern crate openblas_src;
+extern crate openblas_src;
 
 pub extern crate anyhow;
 extern crate bit_set;

core/src/ops/einsum/mod.rs

@@ -6,6 +6,7 @@ use crate::tract_data::itertools::Itertools;
 
 mod eval;
 
+#[cfg(feature="blas")]
 pub mod as_blas;
 use super::array::TypedConcat;
 use super::math::add;

core/src/transform.rs

@@ -1,4 +1,5 @@
 use crate::internal::*;
+#[cfg(feature="blas")]
 use crate::ops::einsum::as_blas::AsBlas;
 use std::borrow::Cow;
 use std::fmt::Debug;
@@ -10,6 +11,7 @@ use crate::ops::nn::{Softmax, SoftmaxExp, TypedModel};
 
 pub fn get_transformer(name: &str) -> Option<Box<dyn ModelTransformer>> {
     match name {
+        #[cfg(feature="blas")]
         "as-blas" => Some(Box::<AsBlas>::default()),
         "f32-to-f16" => Some(Box::<FloatPrecisionTranslator<f32, f16>>::default()),
         "f16-to-f32" => Some(Box::<FloatPrecisionTranslator<f32, f16>>::default()),