quantify_scheduler.backends.qblox.register_manager

Utility class for dynamically allocating registers for Qblox sequencers.

Module Contents

Classes

RegisterManager

Utility class that keeps track of all the registers that are still available.

Functions

_verify_valid_register(→ None)

Verifies whether the passed name is a valid register name. Raises on any of the

class RegisterManager

Utility class that keeps track of all the registers that are still available.

Instantiates the RegisterManager.

property available_registers: Set[str]

Getter for the available registers.

Returns:

A set containing all the available registers.

allocate_register() → str

Allocates a register to be used within the q1asm program.

Returns:

A register that can be used.

Raises:

IndexError – When the RegisterManager runs out of registers to allocate.

free_register(register: str) → None

Frees up a register to be reused.

Parameters:

register – The register to free up.

Raises:

• ValueError – The value provided is not a valid register.

• RuntimeError – Attempting to free a register that is already free.

_verify_valid_register(register_name: str) → None

Verifies whether the passed name is a valid register name. Raises on any of the conditions:

1. register_name does not start with “R” or

2. register_name does not have an integer next

3. the integer is higher than the number of registers in the sequence processor

4. the integer is negative valued

Parameters:

register_name – The register to verify.

Raises:

ValueError – Invalid register name passed.