Logging and results

Types produced by a propagation run, and the structured event logger.

Results

PropagationResult

Attributes:

Name	Type	Description
expectation_value	float
n_terms	list[int]
sparse_key_bytes	int	Bytes of resident sparse term keys held by the evolved term sum at the
terms_below_cutoff	int	Live terms whose magnitude is below the coefficient cutoff.

expectation_value property

expectation_value: float

n_terms property

n_terms: list[int]

sparse_key_bytes property

sparse_key_bytes: int

Bytes of resident sparse term keys held by the evolved term sum at the end of the run.

terms_below_cutoff property

terms_below_cutoff: int

Live terms whose magnitude is below the coefficient cutoff.

Logger

Logger

Structured event logger for propagator runs, writing JSON Lines to a file.

Parameters:

Name	Type	Description	Default
filename		Path to write the JSON Lines event log.	required
log_every		Emit a gate-event record every N gate applications (default 1).	required

Attributes:

Name	Type	Description
filename	str
log_every	int

filename property

filename: str

log_every property

log_every: int

See logging and profiling for how to read the log back, and propaq.log_parser for the parsed event types.