Use method deletion instead of custom sysimage (#1312)

Author: KristofferC

.buildkite/runtests.yml

@@ -16,8 +16,7 @@ steps:
           version: "nightly"
           arch: "i686"
     command: |
-      julia --color=yes --project=.ci -e 'using Pkg; Pkg.instantiate()'
-      julia --color=yes --project=.ci .ci/create_sysimage_and_run_tests.jl
+      julia --color=yes --code-coverage=@ .ci/run_tests.jl
     agents:
       queue: "julia"
       os: "linux"
@@ -40,8 +39,7 @@ steps:
       - JuliaCI/julia#v1:
           version: "nightly"
     command: |
-      julia --color=yes --project=.ci --code-coverage=@ -e 'using Pkg; Pkg.instantiate()'
-      julia --color=yes --project=.ci --code-coverage=@ .ci/create_sysimage_and_run_tests.jl
+      julia --color=yes --code-coverage=@ .ci/run_tests.jl
     agents:
       queue: "julia"
       os: "linux"
@@ -55,8 +53,7 @@ steps:
       - JuliaCI/julia-coverage#v1:
           codecov: true
     command: |
-      julia --color=yes --project=.ci --code-coverage=@ -e 'using Pkg; Pkg.instantiate()'
-      julia --color=yes --project=.ci --code-coverage=@ .ci/create_sysimage_and_run_tests.jl
+      julia --color=yes --code-coverage=@ .ci/run_tests.jl
     agents:
       queue: "julia"
       os: "macos"
@@ -69,8 +66,7 @@ steps:
       - JuliaCI/julia-coverage#v1:
           codecov: true
     command: |
-      julia --color=yes --project=.ci --code-coverage=@ -e 'using Pkg; Pkg.instantiate()'
-      julia --color=yes --project=.ci --code-coverage=@ .ci/create_sysimage_and_run_tests.jl
+      julia --color=yes --code-coverage=@ .ci/run_tests.jl
     agents:
       queue: "julia"
       os: "windows"

.ci/Manifest.toml

@@ -0,0 +1,11 @@
+if haskey(ENV, "BUILDKITE")
+    ncores = Sys.CPU_THREADS
+else
+    ncores = ceil(Int, Sys.CPU_THREADS / 2)
+end
+
+proj = abspath(joinpath(@__DIR__, ".."))
+cmd = """Base.runtests(["LinearAlgebra"]; propagate_project=true, ncores=$ncores)"""
+withenv("JULIA_NUM_THREADS" => 1) do
+    run(`$(Base.julia_cmd()) --project=$proj --compiled-modules=existing -e $cmd`)
+end

.ci/Project.toml

@@ -21,9 +21,8 @@ jobs:
           version: 'nightly'
       - name: Generate docs
         run: |
-          julia --color=yes --project=.ci -e 'using Pkg; Pkg.instantiate()'
           julia --color=yes --project=docs -e 'using Pkg; Pkg.instantiate()'
-          julia --color=yes --project=.ci .ci/create_sysimage_and_run_docs.jl
+          julia --color=yes --project=docs --compiled-modules=existing docs/make.jl
         env:
           DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.ci/create_sysimage.jl

@@ -1,3 +1,5 @@
+include("../test/prune_old_LA.jl")
+
 using LinearAlgebra
 using Documenter: DocMeta, makedocs, deploydocs, HTML
 

.ci/create_sysimage_and_run_docs.jl

@@ -2,6 +2,8 @@
 
 module TestAbstractQ
 
+isdefined(Main, :pruned_old_LA) || @eval Main include("prune_old_LA.jl")
+
 using Test
 using LinearAlgebra
 using LinearAlgebra: AbstractQ, AdjointQ

.ci/create_sysimage_and_run_tests.jl

@@ -2,6 +2,8 @@
 
 module TestAddmul
 
+isdefined(Main, :pruned_old_LA) || @eval Main include("prune_old_LA.jl")
+
 using Base: rtoldefault
 using Test
 using LinearAlgebra

.ci/run_tests.jl

@@ -2,6 +2,8 @@
 
 module TestAdjointTranspose
 
+isdefined(Main, :pruned_old_LA) || @eval Main include("prune_old_LA.jl")
+
 using Test, LinearAlgebra
 
 const BASE_TEST_PATH = joinpath(Sys.BINDIR, "..", "share", "julia", "test")

.github/workflows/ci.yml

@@ -2,6 +2,8 @@
 
 module TestBidiagonal
 
+isdefined(Main, :pruned_old_LA) || @eval Main include("prune_old_LA.jl")
+
 using Test, LinearAlgebra, Random
 using LinearAlgebra: BlasReal, BlasFloat
 

docs/make.jl

@@ -1,3 +1,5 @@
+isdefined(Main, :pruned_old_LA) || @eval Main include("prune_old_LA.jl")
+
 using LinearAlgebra, Test, Random
 
 tc(r1::NTuple{N,Any}, r2::NTuple{N,Any}) where {N} = all(x->tc(x...), [zip(r1,r2)...])

test/abstractq.jl

@@ -2,6 +2,8 @@
 
 module TestBLAS
 
+isdefined(Main, :pruned_old_LA) || @eval Main include("prune_old_LA.jl")
+
 using Test, LinearAlgebra, Random
 using LinearAlgebra: BlasReal, BlasComplex
 using Libdl: dlsym, dlopen

test/addmul.jl

@@ -2,6 +2,8 @@
 
 module TestBunchKaufman
 
+isdefined(Main, :pruned_old_LA) || @eval Main include("prune_old_LA.jl")
+
 using Test, LinearAlgebra, Random
 using LinearAlgebra: BlasComplex, BlasFloat, BlasReal, QRPivoted
 using Base: getproperty