whetstone_DSL/sprint76_plan.md

Sprint 76 Plan: HPC and Scientific Computing Semantics Pack

Context

HPC/scientific workloads require numerical stability and performance fidelity. Sprint 76 adds numerical and parallel-compute semantics and gates.

---

Goals

1. Model numerical stability and precision semantics
2. Preserve parallel compute intent and data partitioning behavior
3. Add scientific reproducibility checks to migration contracts
4. Support HPC-target optimization profiles with safety guards

---

Steps

Step 989: Numerical stability canonical model (12 tests)

Step 990: Precision/roundoff risk packet model (10 tests)

Step 991: Parallel partitioning semantics model (10 tests)

Step 992: Scientific reproducibility runner integration (10 tests)

Step 993: HPC optimization profile policies (10 tests)

Step 994: Numerical regression gate integration (8 tests)

Step 995: whetstone_verify_scientific_migration MCP tool (8 tests)

Step 996: whetstone_get_numerical_risk_report MCP tool (8 tests)

Step 997: HPC migration playbook template (8 tests)

Step 998: Sprint 76 integration summary + regression (8 tests)

---

Scientific Rule

• Numerically unstable projections cannot promote above Beta without waivers.