macroonz-harness 0.2.0

Safe-Rust property, fuzz, fault, schedule, mutation, network, and benchmark testing with typed evidence, reduction, and replay.
Documentation 
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//! The timed secondary pass after primary work has qualified.

use super::work::judge;
use super::{
    BenchBinding, BenchInvocation, SecondaryObservation, SecondaryObservationRefusal, WorkCurve,
    WorkRecorder,
};

/// Take the timed pass: warmups discarded, one clock measurement per sample, then judged again.
///
/// The control's curve is the one already recorded, so the clock is read for the measured callable and for nothing else.
///
/// # Errors
///
/// Refuses a warmup or a sample that could not record, then a pass that no longer qualifies under the same judge.
pub(super) fn timed_pass(
    binding: &BenchBinding,
    invocation: &BenchInvocation,
    planted_worse: &WorkCurve,
) -> Result<SecondaryObservation, SecondaryObservationRefusal> {
    let row = binding.row();
    let attachment = binding.attachment();
    let mut points = Vec::new();
    let mut measurements = Vec::new();
    for input_size in row.input_sizes().sizes().iter().copied() {
        for _warmup in 0..row.budgets().warmups() {
            let mut discarded = WorkRecorder::scoped(attachment.observations());
            (attachment.measured())(input_size, &mut discarded)
                .map_err(SecondaryObservationRefusal::Warmup)?;
        }
        let mut recorder = WorkRecorder::scoped(attachment.observations());
        for _sample in 0..row.budgets().samples() {
            let measurement = invocation.clock().begin();
            (attachment.measured())(input_size, &mut recorder)
                .map_err(SecondaryObservationRefusal::Sample)?;
            measurements.push(measurement.finish());
        }
        points.push(recorder.finish(input_size));
    }
    let timed = WorkCurve::recorded(points);
    let judgment = judge(row, attachment, &timed, planted_worse);
    SecondaryObservation::recorded(timed, judgment, measurements)
}