subms-hyperloglog 0.5.2

submillisecond.com cookbook recipe - data-structures: subms-hyperloglog. Distinct-count cardinality estimator. ~1% standard error at ~16 KB.
Documentation
#![cfg(feature = "harness")]

use subms::{SubMsBenchAssertion, SubMsBenchParams, assert_p99_under, run_bench};
use subms_hyperloglog::recipe::HyperLogLogRecipe;

const ONE_MS_NS: u64 = 1_000_000;

#[test]
fn sub_millisecond_bench() {
    let params = SubMsBenchParams {
        entries: 50_000,
        warmup: 1_000,
        seed: 0,
    };
    let h = run_bench(&HyperLogLogRecipe, &params);
    assert_p99_under(
        &h,
        &[
            SubMsBenchAssertion {
                stage: "add",
                p99_ns_max: ONE_MS_NS,
            },
            SubMsBenchAssertion {
                stage: "estimate",
                p99_ns_max: ONE_MS_NS,
            },
        ],
    )
    .unwrap();
}