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* added prelu onnx operator * bug fix * added onnx tests and burn codegen tests * fix tests * added prelu to supported onnx ops and add prelu to dim_inference
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Original file line number | Diff line number | Diff line change |
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#!/usr/bin/env python3 | ||
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# used to generate model: prelu.onnx | ||
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import torch | ||
import torch.nn as nn | ||
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class Model(nn.Module): | ||
def __init__(self): | ||
super(Model, self).__init__() | ||
self.relu1 = nn.PReLU() | ||
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def forward(self, x): | ||
x = self.relu1(x) | ||
return x | ||
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def main(): | ||
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# Set seed for reproducibility | ||
torch.manual_seed(42) | ||
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torch.set_printoptions(precision=8) | ||
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# Export to onnx | ||
model = Model() | ||
model.eval() | ||
device = torch.device("cpu") | ||
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file_name = "prelu.onnx" | ||
test_input = torch.randn(2, 3, device=device) | ||
torch.onnx.export(model, test_input, file_name, | ||
verbose=False, opset_version=16) | ||
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print("Finished exporting model to {}".format(file_name)) | ||
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# Output some test data for use in the test | ||
print("Test input data of ones: {}".format(test_input)) | ||
print("Test input data shape of ones: {}".format(test_input.shape)) | ||
output = model.forward(test_input) | ||
print("Test output data shape: {}".format(output.shape)) | ||
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print("Test output: {}".format(output)) | ||
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if __name__ == '__main__': | ||
main() | ||
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Original file line number | Diff line number | Diff line change |
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use super::{Node, NodeCodegen, SerializationBackend}; | ||
use crate::burn::{BurnImports, OtherType, Scope, TensorType, Type}; | ||
use burn::{ | ||
module::{Param, ParamId}, | ||
nn::{PReluConfig, PReluRecord}, | ||
record::{PrecisionSettings, Record}, | ||
tensor::{DataSerialize, Tensor}, | ||
}; | ||
use proc_macro2::TokenStream; | ||
use quote::quote; | ||
use serde::Serialize; | ||
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#[derive(Clone, Debug)] | ||
pub struct PReluNode<PS: PrecisionSettings> { | ||
pub field: OtherType, | ||
pub input: TensorType, | ||
pub output: TensorType, | ||
pub alpha: DataSerialize<PS::FloatElem>, | ||
pub config: PReluConfig, | ||
} | ||
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impl<PS: PrecisionSettings> PReluNode<PS> { | ||
pub fn new<S: AsRef<str>>( | ||
name: S, | ||
input: TensorType, | ||
output: TensorType, | ||
alpha: DataSerialize<PS::FloatElem>, | ||
config: PReluConfig, | ||
) -> Self { | ||
Self { | ||
field: OtherType::new( | ||
name, | ||
quote! { | ||
PRelu<B> | ||
}, | ||
), | ||
input, | ||
output, | ||
alpha, | ||
config, | ||
} | ||
} | ||
} | ||
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impl<PS: PrecisionSettings> NodeCodegen<PS> for PReluNode<PS> { | ||
fn input_types(&self) -> Vec<Type> { | ||
vec![Type::Tensor(self.input.clone())] | ||
} | ||
fn output_types(&self) -> Vec<Type> { | ||
vec![Type::Tensor(self.output.clone())] | ||
} | ||
fn field_type(&self) -> Option<Type> { | ||
Some(Type::Other(self.field.clone())) | ||
} | ||
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fn field_init(&self) -> Option<TokenStream> { | ||
let name = &self.field.name; | ||
let tokens = quote! { | ||
let #name = PReluConfig::new() | ||
.init(device); | ||
}; | ||
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Some(tokens) | ||
} | ||
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fn field_serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> { | ||
let device = Default::default(); | ||
let record = PReluRecord::<SerializationBackend> { | ||
alpha: Param::initialized( | ||
ParamId::new(), | ||
Tensor::from_data(self.alpha.clone().convert(), &device), | ||
), | ||
}; | ||
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let item = Record::into_item::<PS>(record); | ||
item.serialize(serializer) | ||
} | ||
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fn forward(&self, scope: &mut Scope, node_position: usize) -> TokenStream { | ||
let input = scope.tensor_use_owned(&self.input, node_position); | ||
let output = &self.output.name; | ||
let field = &self.field.name; | ||
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quote! { | ||
let #output = self.#field.forward(#input); | ||
} | ||
} | ||
fn register_imports(&self, imports: &mut BurnImports) { | ||
imports.register("burn::nn::PRelu"); | ||
imports.register("burn::nn::PReluConfig"); | ||
} | ||
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fn into_node(self) -> Node<PS> { | ||
Node::PRelu(self) | ||
} | ||
} | ||
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#[cfg(test)] | ||
mod tests { | ||
use super::*; | ||
use crate::burn::{graph::BurnGraph, node::test::assert_tokens, TensorType}; | ||
use burn::{record::FullPrecisionSettings, tensor::Data}; | ||
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#[test] | ||
fn test_codegen() { | ||
let mut graph = BurnGraph::<FullPrecisionSettings>::default(); | ||
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graph.register(PReluNode::new( | ||
"prelu", | ||
TensorType::new_float("input", 4), | ||
TensorType::new_float("output", 4), | ||
Data::from([2.]).serialize(), | ||
PReluConfig::new(), | ||
)); | ||
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graph.register_input_output(vec!["input".to_string()], vec!["output".to_string()]); | ||
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let expected = quote! { | ||
use burn::nn::PRelu; | ||
use burn::nn::PReluConfig; | ||
use burn::{ | ||
module::Module, | ||
tensor::{backend::Backend, Tensor}, | ||
}; | ||
#[derive(Module, Debug)] | ||
pub struct Model<B: Backend> { | ||
prelu: PRelu<B>, | ||
phantom: core::marker::PhantomData<B>, | ||
device: burn::module::Ignored<B::Device>, | ||
} | ||
impl<B: Backend> Model<B> { | ||
#[allow(unused_variables)] | ||
pub fn new(device: &B::Device) -> Self { | ||
let prelu = PReluConfig::new().init(device); | ||
Self { | ||
prelu, | ||
phantom: core::marker::PhantomData, | ||
device: burn::module::Ignored(device.clone()), | ||
} | ||
} | ||
#[allow(clippy::let_and_return, clippy::approx_constant)] | ||
pub fn forward(&self, input: Tensor<B, 4>) -> Tensor<B, 4> { | ||
let output = self.prelu.forward(input); | ||
output | ||
} | ||
} | ||
}; | ||
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assert_tokens(graph.codegen(), expected); | ||
} | ||
} |
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