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use crate::internal::*; use crate::model::translator::Translate; use std::fmt; pub mod delay; #[derive(Clone, PartialEq)] pub struct PulsedFact { pub datum_type: DatumType, pub shape: TVec<usize>, pub axis: usize, pub dim: TDim, pub delay: usize, } impl fmt::Debug for PulsedFact { fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result { use itertools::Itertools; write!( fmt, "{}x{:?} [pulse axis:{} ∂:{} full dim:{:?}]", self.shape.iter().join("x"), self.datum_type, self.axis, self.delay, self.dim ) } } impl Fact for PulsedFact { fn to_typed_fact(&self) -> TractResult<TypedFact> { Ok(self.into()) } } impl<'a> From<&'a PulsedFact> for TypedFact { fn from(fact: &'a PulsedFact) -> TypedFact { TypedFact::dt_shape(fact.datum_type, &*fact.shape).unwrap() } } impl<'a> From<&'a Box<dyn PulsedOp>> for Box<dyn TypedOp> { fn from(op: &'a Box<dyn PulsedOp>) -> Box<dyn TypedOp> { op.to_typed() } } impl PulsedFact { pub fn from_tensor_fact_pulse(tf: &NormalizedFact, pulse: usize) -> TractResult<PulsedFact> { let datum_type = tf.datum_type; let stream = tf.shape.stream_info.as_ref().ok_or("Can not pulse a tensor with no streaming dim")?; let shape = tf.shape.iter().map(|d| d.to_integer().map(|d| d as usize).unwrap_or(pulse)).collect(); Ok(PulsedFact { datum_type, shape, axis: stream.axis, dim: stream.len.clone(), delay: 0 }) } pub fn pulse(&self) -> usize { self.shape[self.axis] } pub fn to_pulse_fact(&self) -> NormalizedFact { NormalizedFact::dt_shape(self.datum_type, &*self.shape).unwrap() } pub fn streaming_shape(&self) -> Vec<TDim> { self.shape .iter() .enumerate() .map(|(ix, &d)| if ix == self.axis { self.dim.clone() } else { d.to_dim() }) .collect() } pub fn to_streaming_fact(&self) -> NormalizedFact { let mut info = self.to_pulse_fact(); info.shape.stream_info = Some(StreamFact { axis: self.axis, len: self.dim.clone() }); info } } pub type PulsedModel = ModelImpl<PulsedFact, Box<dyn PulsedOp>>; pub type PulsedNode = BaseNode<PulsedFact, Box<dyn PulsedOp>>; impl PulsedModel { pub fn new(source: &NormalizedModel, pulse: usize) -> TractResult<PulsedModel> { Ok(PulsedModel::new_with_mapping(source, pulse)?.0) } pub fn new_with_mapping( source: &NormalizedModel, pulse: usize, ) -> TractResult<(PulsedModel, HashMap<OutletId, OutletId>)> { Pulsifier(pulse).translate_model_with_mappings(source) } pub fn into_typed(self) -> TractResult<TypedModel> { crate::model::translator::IntoTranslator.translate_model(&self) } } #[derive(Debug)] struct Pulsifier(usize); impl crate::model::translator::Translate< NormalizedFact, Box<dyn TypedOp>, crate::pulse::PulsedFact, Box<dyn PulsedOp>, > for Pulsifier { fn translate_node( &self, source: &NormalizedModel, node: &NormalizedNode, target: &mut PulsedModel, mapping: &HashMap<OutletId, OutletId>, ) -> TractResult<TVec<OutletId>> { node.op.pulsify(source, node, target, mapping, self.0) } } #[cfg(test)] mod tests { use super::*; #[test] fn test_source_must_stream() { let mut model = TypedModel::default(); let _a = model .add_source("a", TypedFact::dt_shape(f32::datum_type(), [1, 2, 3].as_ref()).unwrap()) .unwrap(); model.auto_outputs().unwrap(); assert!(PulsedModel::new(&model.into_normalized().unwrap(), 4).is_err()); let mut model = TypedModel::default(); let _a = model .add_source( "a", TypedFact::dt_shape( f32::datum_type(), [1.to_dim(), TDim::s(), 3.to_dim()].as_ref(), ) .unwrap(), ) .unwrap(); model.auto_outputs().unwrap(); let pulse = PulsedModel::new(&model.into_normalized().unwrap(), 4).unwrap(); assert_eq!( pulse.outlet_fact(OutletId::new(0, 0)).unwrap().to_typed_fact().unwrap(), TypedFact::dt_shape(DatumType::F32, [1usize, 4, 3].as_ref()).unwrap() ); } #[test] fn test_immediate() { let mut model = TypedModel::default(); let _a = model .add_source( "a", TypedFact::dt_shape( f32::datum_type(), [TDim::s(), 2.to_dim(), 3.to_dim()].as_ref(), ) .unwrap(), ) .unwrap(); model.auto_outputs().unwrap(); let pulse = PulsedModel::new(&model.into_normalized().unwrap(), 4).unwrap(); assert_eq!( pulse.input_fact(0).unwrap().to_typed_fact().unwrap(), TypedFact::dt_shape(DatumType::F32, &*vec!(4, 2, 3)).unwrap() ); assert_eq!( pulse.output_fact(0).unwrap().to_typed_fact().unwrap(), TypedFact::dt_shape(DatumType::F32, &*vec!(4, 2, 3)).unwrap() ); } }