Merge pull request #408 from SciML/mkl_default

Trigger MKL LBT by default

Author: ChrisRackauckas

.github/workflows/CI.yml

@@ -20,9 +20,6 @@ jobs:
           - Core
         version:
           - '1'
-          - '1.6'
-          - '1.7'
-          - '1.8'
         include:
           - version: '1'
             group: 'LinearSolveHYPRE'

.github/workflows/Downstream.yml

@@ -13,7 +13,7 @@ jobs:
       GROUP: ${{ matrix.package.group }}
     strategy:
       matrix:
-        julia-version: [1,1.6]
+        julia-version: [1]
         os: [ubuntu-latest]
         package:
           - {user: SciML, repo: OrdinaryDiffEq.jl, group: InterfaceII}

Project.toml

@@ -16,6 +16,7 @@ KLU = "ef3ab10e-7fda-4108-b977-705223b18434"
 Krylov = "ba0b0d4f-ebba-5204-a429-3ac8c609bfb7"
 Libdl = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
+MKL = "33e6dc65-8f57-5167-99aa-e5a354878fb2"
 MKL_jll = "856f044c-d86e-5d09-b602-aeab76dc8ba7"
 PrecompileTools = "aea7be01-6a6a-4083-8856-8a6e6704d82a"
 Preferences = "21216c6a-2e73-6563-6e65-726566657250"
@@ -88,7 +89,7 @@ SparseArrays = "1.6"
 Sparspak = "0.3.6"
 SuiteSparse = "1.6"
 UnPack = "1"
-julia = "1.6"
+julia = "1.9"
 
 [extras]
 BandedMatrices = "aae01518-5342-5314-be14-df237901396f"

src/LinearSolve.jl

@@ -42,6 +42,12 @@ PrecompileTools.@recompile_invalidations begin
     using SciMLBase
 
     using MKL_jll
+
+    import Preferences
+end
+
+if VERSION >= v"1.8" && Preferences.@load_preference("TriggerMKLLBT", true)
+   using MKL
 end
 
 using Reexport