Identifying Program State
User’s Responsibility.
- Application Specific, Algorithm Dependent.
- User Has “Expertise” (Hopefully…).
Minimal State to Restart Application.
- Fundamental Variables for Each Task.
- Smaller Checkpoints than with Core Images…
CUMULVS is a User-Level System:
- O.S. / Communication Substrate ~ Inaccessible…
- Call Stack / External Files…?