Struct CpuTimer 

pub struct CpuTimer { /* private fields */ }

CPU timer — wall-clock via Instant. There’s no GPU to wait on, so the “GPU time” is just the CPU work duration.

Implementations

impl CpuTimer

pub fn new() -> Self

Trait Implementations

impl BackendTimer<CpuBackend> for CpuTimer

fn new() -> Self

Allocate timer state. On CUDA this creates two cuEvent_t handles; on Metal it’s a no-op; on CPU it’s two Option<Instant>.

fn record_start(&mut self, _ctx: &mut <CpuBackend as Backend>::Context)

Record the “start” timestamp on the current ctx’s stream/command buffer. Returns immediately on CUDA (async); on Metal forces a sync to flush any pending work first.

fn record_end(&mut self, _ctx: &mut <CpuBackend as Backend>::Context)

Record the “end” timestamp.

fn elapsed_ms(&self) -> f64

Synchronize on the recorded events and return the elapsed time in milliseconds. Blocks the calling thread on CUDA; instant on CPU/Metal.

impl Default for CpuTimer

fn default() -> Self

Returns the “default value” for a type.