Function try_run_hot_runtime 

pub fn try_run_hot_runtime(
    runtime: &JitRuntime,
    chunk: &Chunk,
    key: TraceKey,
    slots: &mut [i64],
    budget: u32,
    register_count: u8,
    metrics: Option<&RuntimeMetrics>,
) -> Option<ExitReason>

Available on crate feature jit only.

Shared-runtime variant (no global lock during execution).