Enum AbVerdict 

pub enum AbVerdict {
    FlipSafe,
    KeepHybrid,
    Inconclusive,
}

Verdict of a dense-vs-lean retrieval A/B.

Variants

FlipSafe

Pure BM25 already matches hybrid within AB_MARGIN on both recall@5 and MRR. The richer lean path is ≥ pure BM25, so flipping the default to dense-off cannot regress retrieval quality.

KeepHybrid

Dense adds recall beyond the margin. Evaluate the full lean path (BM25+graph+rerank+SPLADE) before flipping; keep hybrid as the default.

Inconclusive

The dense pipeline never actually ran (no working embeddings in this environment), so the two arms are identical and the run proves nothing.

Implementations

impl AbVerdict

pub fn label(self) -> &'static str

Trait Implementations

impl Clone for AbVerdict

fn clone(&self) -> AbVerdict

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for AbVerdict

impl Debug for AbVerdict

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for AbVerdict

impl PartialEq for AbVerdict

fn eq(&self, other: &AbVerdict) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for AbVerdict

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for AbVerdict