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ci: run stages 2-4 in parallel after stage 1

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Previously stages ran sequentially (1->2->3->4->5), meaning if
integration tests failed, CLI tests would be skipped even though
they dont actually depend on each other.

New structure:
- Stage 1 (Inline Build): Foundation
- Stages 2, 3, 4 (Unit, Integration, CLI): Run in PARALLEL after Stage 1
- Stage 5 (E2E): Runs only if ALL of stages 2-4 pass

Benefits:
- Faster CI (parallel execution)
- See all test results even if one category fails
- E2E still gates on everything passing
This commit is contained in:
Vijay Janapa Reddi
2026-01-25 12:09:49 -05:00
parent 796bedbec1
commit 947a7ad8d1
1 changed files with 16 additions and 14 deletions
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30
.github/workflows/tinytorch-ci.yml vendored
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@@ -9,16 +9,12 @@ name: 🔥 TinyTorch CI
# Stage 1: INLINE BUILD
# └─ Build package from src/ modules (if this fails, nothing works)
#
# Stage 2: UNIT TESTS
# └─ Test individual module functions
# Stage 2-4: PARALLEL TESTS (all depend on Stage 1 only)
# ├─ Stage 2: UNIT TESTS - Test individual module functions
# ├─ Stage 3: INTEGRATION TESTS - Cross-module validation
# └─ Stage 4: CLI TESTS - Verify CLI commands work correctly
#
# Stage 3: INTEGRATION TESTS
# └─ Cross-module validation
#
# Stage 4: CLI TESTS
# └─ Verify CLI commands work correctly
#
# Stage 5: E2E TESTS
# Stage 5: E2E TESTS (depends on Stages 2-4 all passing)
# └─ Full user journey validation
#
# Stage 6: RELEASE VALIDATION (runs after all stages pass)
@@ -197,6 +193,7 @@ jobs:
# ===========================================================================
# STAGE 2: UNIT TESTS - Test individual module functions
# Runs in PARALLEL with Stages 3 and 4 (all depend only on Stage 1)
# ===========================================================================
stage-2-unit:
name: 🧪 Stage 2 · Unit Tests
@@ -234,15 +231,16 @@ jobs:
# ===========================================================================
# STAGE 3: INTEGRATION TESTS - Cross-module validation
# Runs in PARALLEL with Stages 2 and 4 (all depend only on Stage 1)
# ===========================================================================
stage-3-integration:
name: 🔗 Stage 3 · Integration
runs-on: ubuntu-latest
needs: [configure, stage-2-unit]
needs: [configure, stage-1-inline]
if: |
always() &&
needs.configure.outputs.run_integration == 'true' &&
(needs.stage-2-unit.result == 'success' || needs.stage-2-unit.result == 'skipped')
(needs.stage-1-inline.result == 'success' || needs.stage-1-inline.result == 'skipped')
timeout-minutes: 15
defaults:
@@ -271,15 +269,16 @@ jobs:
# ===========================================================================
# STAGE 4: CLI TESTS - Verify CLI commands work
# Runs in PARALLEL with Stages 2 and 3 (all depend only on Stage 1)
# ===========================================================================
stage-4-cli:
name: 💻 Stage 4 · CLI Tests
runs-on: ubuntu-latest
needs: [configure, stage-3-integration]
needs: [configure, stage-1-inline]
if: |
always() &&
needs.configure.outputs.run_cli == 'true' &&
(needs.stage-3-integration.result == 'success' || needs.stage-3-integration.result == 'skipped')
(needs.stage-1-inline.result == 'success' || needs.stage-1-inline.result == 'skipped')
timeout-minutes: 10
defaults:
@@ -308,14 +307,17 @@ jobs:
# ===========================================================================
# STAGE 5: E2E TESTS - Full user journey validation
# Depends on Stages 2, 3, and 4 ALL passing (the integration gate)
# ===========================================================================
stage-5-e2e:
name: 🌐 Stage 5 · E2E Tests
runs-on: ubuntu-latest
needs: [configure, stage-4-cli]
needs: [configure, stage-2-unit, stage-3-integration, stage-4-cli]
if: |
always() &&
needs.configure.outputs.run_e2e == 'true' &&
(needs.stage-2-unit.result == 'success' || needs.stage-2-unit.result == 'skipped') &&
(needs.stage-3-integration.result == 'success' || needs.stage-3-integration.result == 'skipped') &&
(needs.stage-4-cli.result == 'success' || needs.stage-4-cli.result == 'skipped')
timeout-minutes: 15