Struct ActivationOperation 

pub struct ActivationOperation {

    pub id: String,
    pub span_id: String,
    pub op_index: usize,
    pub name: String,
    pub output_tensor_id: Option<String>,
    pub shape: Vec<usize>,
    pub dtype: String,
    pub device: String,
    pub observed_host_duration_ns: u64,
    pub device_timings: Vec<ActivationDeviceTiming>,
    pub dense_output_bytes: Option<u64>,
    pub logical_allocated_bytes: Option<u64>,
    pub logical_storage_count: Option<usize>,
    pub logical_storage_live_duration_ns: Option<u64>,
    pub logical_byte_nanoseconds: Option<ByteNanoseconds>,
    pub logical_retained_bytes_at_measured_end: Option<u64>,
    pub classification_sources: Vec<ActivationClassificationSource>,
}

One observed activation-producing operation and its deliberately separate cost metrics.

Fields

id: String

Stable graph identity within this trace: the dedicated operation span ID when available, otherwise {span_id}/op/{op_index}.

span_id: String

op_index: usize

name: String

output_tensor_id: Option<String>

shape: Vec<usize>

dtype: String

device: String

observed_host_duration_ns: u64

Direct OpEvent host duration. On asynchronous devices this is commonly launch time.

device_timings: Vec<ActivationDeviceTiming>

Present only when this event is the sole operation in a dedicated SpanKind::Op span.

dense_output_bytes: Option<u64>

Dense output footprint (shape × dtype), not backing storage or allocator usage.

logical_allocated_bytes: Option<u64>

Unique logical activation storage directly attributable to this operation.

logical_storage_count: Option<usize>

logical_storage_live_duration_ns: Option<u64>

Sum of measured-region-clipped live durations across attributed storages.

logical_byte_nanoseconds: Option<ByteNanoseconds>

Sum of storage bytes × measured-region-clipped live duration.

logical_retained_bytes_at_measured_end: Option<u64>

Attributed logical storage still live at the measured region’s end.

classification_sources: Vec<ActivationClassificationSource>

Trait Implementations

impl Clone for ActivationOperation

fn clone(&self) -> ActivationOperation

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ActivationOperation

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ActivationOperation

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for ActivationOperation

impl PartialEq for ActivationOperation

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for ActivationOperation

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 ActivationOperation