Glossary¶

• PTO VISA: the architecture-visible virtual ISA contract for PTO.
• Target profile: a target-specific narrowing of the portable PTO ISA, such as CPU simulation, A2/A3-class, or A5-class support.
• Tile instructions: the pto.t* instruction set.
• Vector instructions: the pto.v* instruction set.
• Scalar/control instructions: the pto.* supporting scalar, control, and configuration instruction set.
• Valid region: the subset of a physical tile whose values are architecturally meaningful.
• Location intent: the role or storage intent that affects legality.