exp: investigate new allocations on sparse ForwardDiff Jacobian

.github/workflows/Test.yml

@@ -25,32 +25,14 @@ jobs:
       actions: write
       contents: read
     strategy:
-      fail-fast: true # TODO: toggle
+      fail-fast: false # TODO: toggle
       matrix:
         version:
           - '1.10'
           - '1.11'
           - '1.12'
         group:
-          - Core/Internals
-          - Back/DifferentiateWith
-          - Core/SimpleFiniteDiff
-          - Back/SparsityDetector
-          - Core/ZeroBackends
-          - Back/ChainRules
-          # - Back/Diffractor
-          - Back/Enzyme
-          - Back/FastDifferentiation
-          - Back/FiniteDiff
-          - Back/FiniteDifferences
           - Back/ForwardDiff
-          - Back/GTPSA
-          - Back/Mooncake
-          - Back/PolyesterForwardDiff
-          - Back/ReverseDiff
-          - Back/Symbolics
-          - Back/Tracker
-          - Back/Zygote
         skip_lts:
           - ${{ github.event.pull_request.draft }}
         skip_pre:
@@ -103,62 +85,3 @@ jobs:
           flags: DI
           token: ${{ secrets.CODECOV_TOKEN }}
           fail_ci_if_error: false
-
-  test-DIT:
-    name: ${{ matrix.version }} - DIT (${{ matrix.group }})
-    runs-on: ubuntu-latest
-    if: ${{ !contains(github.event.pull_request.labels.*.name, 'skipci') }}
-    timeout-minutes: 60
-    permissions: # needed to allow julia-actions/cache to proactively delete old caches that it has created
-      actions: write
-      contents: read
-    strategy:
-      fail-fast: true
-      matrix:
-        version:
-          - '1.10'
-          - '1.11'
-          - '1.12'
-        group:
-          - Formalities
-          - Zero
-          - Standard
-          - Weird
-        skip_lts:
-          - ${{ github.event.pull_request.draft }}
-        skip_pre:
-          - ${{ github.event.pull_request.draft }}
-        exclude:
-          - skip_lts: true
-            version: '1.10'
-          - skip_pre: true
-            version: '1.12'
-    env:
-      JULIA_DIT_TEST_GROUP: ${{ matrix.group }}
-      JULIA_DI_PR_DRAFT: ${{ github.event.pull_request.draft }}
-    steps:
-      - uses: actions/checkout@v5
-      - uses: julia-actions/setup-julia@v2
-        with:
-          version: ${{ matrix.version }}
-          arch: x64
-      - uses: julia-actions/cache@v2
-      - name: Install dependencies & run tests
-        run: julia --project=./DifferentiationInterfaceTest --color=yes -e '
-          using Pkg;
-          Pkg.Registry.update();
-          Pkg.develop(path="./DifferentiationInterface");
-          if ENV["JULIA_DI_PR_DRAFT"] == "true";
-          Pkg.test("DifferentiationInterfaceTest"; allow_reresolve=false, coverage=true, julia_args=["-O1"]);
-          else;
-          Pkg.test("DifferentiationInterfaceTest"; allow_reresolve=false, coverage=true);
-          end;'
-      - uses: julia-actions/julia-processcoverage@v1
-        with:
-          directories: ./DifferentiationInterfaceTest/src,./DifferentiationInterfaceTest/ext,./DifferentiationInterfaceTest/test
-      - uses: codecov/codecov-action@v5
-        with:
-          files: lcov.info
-          flags: DIT
-          token: ${{ secrets.CODECOV_TOKEN }}
-          fail_ci_if_error: false

DifferentiationInterface/test/Back/ForwardDiff/benchmark.jl

@@ -11,6 +11,20 @@ using Test
 
 LOGGING = get(ENV, "CI", "false") == "false"
 
+@info "Printing allocs"
+const f! = DIT.diffsquare!
+x, y = rand(10), zeros(9);
+backend = MyAutoSparse(AutoForwardDiff());
+prep = prepare_jacobian(f!, y, backend, x);
+J = similar(sparsity_pattern(prep), Float64)
+jacobian!(f!, y, J, prep, backend, x)
+
+Profile.Allocs.clear()
+Profile.Allocs.@profile sample_rate = 1 jacobian!(f!, y, J, prep, backend, x)
+Profile.Allocs.print()
+
+@info "Printing allocs done"
+
 @testset verbose = true "Benchmarking static" begin
     filtered_static_scenarios = filter(static_scenarios(; include_batchified = false)) do scen
         DIT.function_place(scen) == :out && DIT.operator_place(scen) == :out