#3007: Add initial 2x2 config to a new slow dispatch unit tests workflow

that runs the multi-chip tests with schedule runs, no push trigger

.github/workflows/multi-device-slow-dispatch-build-and-unit-tests.yaml

@@ -0,0 +1,41 @@
+name: "[post-commit] all - Slow Dispatch multi-Nebula post-commit main build and unit tests"
+
+on:
+  workflow_dispatch:
+  workflow_call:
+  schedule:
+    - cron: "0 1,5,7,9,14,17,21 * * *"
+
+jobs:
+  build-and-unit-tests:
+    strategy:
+      # Do not fail-fast because we need to ensure all tests go to completion
+      # so we try not to get hanging machines
+      fail-fast: false
+      matrix:
+        runner-info: [
+          # N300 2x2
+          {arch: wormhole_b0, runs-on: ["wormhole_b0", "multi-chip-num-pcie-2", "multi-chip-num-chips-4"]},
+        ]
+    env:
+      TT_METAL_ENV: ${{ vars.TT_METAL_ENV }}
+      ARCH_NAME: ${{ matrix.runner-info.arch }}
+      TT_METAL_SLOW_DISPATCH_MODE: 1
+    environment: dev
+    runs-on: ${{ matrix.runner-info.runs-on }}
+    steps:
+      - uses: tenstorrent-metal/metal-workflows/.github/actions/checkout-with-submodule-lfs@main
+        with:
+          token: ${{ secrets.CHECKOUT_TOKEN }}
+      - name: Set up dyanmic env vars for build
+        run: |
+          echo "TT_METAL_HOME=$(pwd)" >> $GITHUB_ENV
+      - name: Build tt-metal and libs
+        run: make build
+      - name: Build tt-metal CPP tests
+        run: make tests
+      - name: Run pre/post regression tests
+        timeout-minutes: 30
+        run: |
+          source build/python_env/bin/activate
+          ./tests/scripts/run_tests.sh --tt-arch $ARCH_NAME --pipeline-type post_commit_multi_device --dispatch-mode slow

CODEOWNERS

@@ -32,6 +32,7 @@ conftest.py @tt-rkim
 
 tests/scripts/run_pre_post_commit_regressions.sh @tt-rkim
 tests/scripts/run_tests.sh @tt-rkim
+tests/scripts/run_pre_post_commit_regressions_multi_device.sh @tt-rkim @aliuTT @tt-aho @TT-BrianLiu
 
 # metal - base
 # tt_metal/tt_metal.cpp @abhullar-tt @TT-billteng

tests/scripts/run_pre_post_commit_regressions_multi_device.sh

@@ -0,0 +1,26 @@
+#/bin/bash
+
+set -eo pipefail
+
+if [[ -z "$TT_METAL_HOME" ]]; then
+  echo "Must provide TT_METAL_HOME in environment" 1>&2
+  exit 1
+fi
+
+if [[ -z "$ARCH_NAME" ]]; then
+  echo "Must provide ARCH_NAME in environment" 1>&2
+  exit 1
+fi
+
+if [[ -z "$TT_METAL_SLOW_DISPATCH_MODE" ]]; then
+  echo "Only Slow Dispatch mode allowed - Must have TT_METAL_SLOW_DISPATCH_MODE set" 1>&2
+  exit 1
+fi
+
+cd $TT_METAL_HOME
+export PYTHONPATH=$TT_METAL_HOME
+
+TT_METAL_SLOW_DISPATCH_MODE=1 ./build/test/tt_metal/unit_tests --gtest_filter="DeviceFixture.EthKernelsDirectSendAllConnectedChips"
+TT_METAL_SLOW_DISPATCH_MODE=1 ./build/test/tt_metal/unit_tests --gtest_filter="DeviceFixture.EthKernelsSendInterleavedBufferAllConnectedChips"
+TT_METAL_SLOW_DISPATCH_MODE=1 ./build/test/tt_metal/unit_tests --gtest_filter="DeviceFixture.EthKernelsDirectRingGatherAllChips"
+TT_METAL_SLOW_DISPATCH_MODE=1 ./build/test/tt_metal/unit_tests --gtest_filter="DeviceFixture.EthKernelsInterleavedRingGatherAllChips"

tests/scripts/run_tests.sh

@@ -150,6 +150,21 @@ run_stress_post_commit_pipeline_tests() {
     done
 }
 
+run_post_commit_multi_device_pipeline_tests() {
+    local tt_arch=$1
+    local pipeline_type=$2
+    local dispatch_mode=$3
+
+    # Switch to modules only soon
+    # run_module_tests "$tt_arch" "llrt" "$pipeline_type"
+    if [[ $dispatch_mode == "slow" ]]; then
+        ./tests/scripts/run_pre_post_commit_regressions_multi_device.sh
+    else
+        echo "Only slow dispatch mode is currently supported with multi-device"
+        exit 1
+    fi
+}
+
 run_microbenchmarks_pipeline_tests() {
     local tt_arch=$1
     local pipeline_type=$2
@@ -184,6 +199,8 @@ run_pipeline_tests() {
         run_models_performance_virtual_machine_pipeline_tests "$tt_arch" "$pipeline_type"
     elif [[ $pipeline_type == "stress_post_commit" ]]; then
         run_stress_post_commit_pipeline_tests "$tt_arch" "$pipeline_type" "$dispatch_mode"
+    elif [[ $pipeline_type == "post_commit_multi_device" ]]; then
+        run_post_commit_multi_device_pipeline_tests "$tt_arch" "$pipeline_type" "$dispatch_mode"
     elif [[ $pipeline_type == "microbenchmarks" ]]; then
         run_microbenchmarks_pipeline_tests "$tt_arch" "$pipeline_type" "$dispatch_mode"
     else