After completing early prototyping, you discover that there is a challenge meeting one of the earlier assumptions. This means that you need to iterate on the Solution Synthesis step to create a modified strawman, then proceed with the rest of the steps.
After completing these steps, you can define the following with minimal risk.
Device Selection and Speed Grade:
- Identify a couple of device options that can meet or slightly exceed the resource profile of the strawman solution. Provision for some additional resources to include future enhancements.
- Identify a couple of footprint-compatible packaging options. These options must provide enough flexibility to achieve additional resources and avoid board-level re-spin if you need a larger device.
Initial Definition of custom platform defines:
- I/O ring and devices interfaces
- AI Engine/PL interface definition (using the interface tiles)
- NoC architecture
- Design work can proceed to begin constructing the custom platform
Data flow template model of AI Engine array provides:
- Early mapper/router validation
- Initial buffer placement and location constraints
- Confirmation of throughput vs. data flow plan