Struct SpecStats 

pub struct SpecStats {

    pub k2_accepts: AtomicU64,
    pub k2_rejects: AtomicU64,
    pub k3_accept: [AtomicU64; 3],
    pub k3_steps: AtomicU64,
    pub k3_d1_match: AtomicU64,
    pub k3_d2_match_uncond: AtomicU64,
    pub k3_d2_match_cond: AtomicU64,
    pub k4_accept: [AtomicU64; 4],
    pub k4_steps: AtomicU64,
    pub k4_d1: AtomicU64,
    pub k4_d2_uncond: AtomicU64,
    pub k4_d3_uncond: AtomicU64,
    pub k4_d2_cond: AtomicU64,
    pub k4_d3_cond: AtomicU64,
    pub b1_low_margin: AtomicU64,
    pub decode_copy_us: AtomicU64,
    pub decode_sample_us: AtomicU64,
    pub decode_count: AtomicU64,
    /* private fields */
}

2026-09-25: The counters of one run, held by the scheduler’s telemetry (SysTelemetry::stats). K=2 counts accepts and rejects; K=3 and K=4 also bucket steps by drafts accepted and count per-position draft matches.

Fields

k2_accepts: AtomicU64

k2_rejects: AtomicU64

k3_accept: [AtomicU64; 3]

k3_steps: AtomicU64

k3_d1_match: AtomicU64

k3_d2_match_uncond: AtomicU64

k3_d2_match_cond: AtomicU64

k4_accept: [AtomicU64; 4]

k4_steps: AtomicU64

k4_d1: AtomicU64

k4_d2_uncond: AtomicU64

k4_d3_uncond: AtomicU64

k4_d2_cond: AtomicU64

k4_d3_cond: AtomicU64

b1_low_margin: AtomicU64

2026-09-25: B1 gauge: decode positions inside a tool parameter body whose top-1/top-2 logit gap is below the low-margin threshold (logit_processors::b1_margin).

decode_copy_us: AtomicU64

decode_sample_us: AtomicU64

decode_count: AtomicU64

Implementations

impl SpecStats

pub fn new() -> Self

pub fn once(&self, key: &'static str) -> bool

2026-09-25: true the first time this SpecStats sees key, false after. The scheduler’s counterpart to ModelStats::once.

Trait Implementations

impl Debug for SpecStats

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

Formats the value using the given formatter.

impl Default for SpecStats

fn default() -> SpecStats

Returns the “default value” for a type.