#[burn_tensor_testgen::testgen(mask_where)]
mod tests {
use super::*;
use burn_jit::kernel::{mask_where, MaskWhereStrategy};
use burn_tensor::{backend::Backend, Bool, Distribution, Tensor, TensorPrimitive};
#[test]
fn mask_where_should_match_reference_backend() {
let (tensor, value, mask, tensor_ref, value_ref, mask_ref) = inputs_mask_where();
let actual = tensor.mask_where(mask, value);
let expected = tensor_ref.mask_where(mask_ref, value_ref);
expected
.into_data()
.assert_approx_eq(&actual.into_data(), 3);
}
#[test]
fn mask_where_inplace_lhs_should_match_reference_backend() {
let (tensor, value, mask, tensor_ref, value_ref, mask_ref) = inputs_mask_where();
let actual =
Tensor::<TestBackend, 3>::from_primitive(TensorPrimitive::Float(mask_where::<
_,
<TestBackend as Backend>::FloatElem,
<TestBackend as Backend>::BoolElem,
>(
tensor.into_primitive().tensor(),
mask.into_primitive(),
value.into_primitive().tensor(),
MaskWhereStrategy::InplaceLhs,
)));
let expected = tensor_ref.mask_where(mask_ref, value_ref);
expected
.into_data()
.assert_approx_eq(&actual.into_data(), 3);
}
#[test]
fn mask_where_inplace_rhs_should_match_reference_backend() {
let (tensor, value, mask, tensor_ref, value_ref, mask_ref) = inputs_mask_where();
let actual =
Tensor::<TestBackend, 3>::from_primitive(TensorPrimitive::Float(mask_where::<
_,
<TestBackend as Backend>::FloatElem,
<TestBackend as Backend>::BoolElem,
>(
tensor.into_primitive().tensor(),
mask.into_primitive(),
value.into_primitive().tensor(),
MaskWhereStrategy::InplaceRhs,
)));
let expected = tensor_ref.mask_where(mask_ref, value_ref);
expected
.into_data()
.assert_approx_eq(&actual.into_data(), 3);
}
#[allow(clippy::type_complexity)]
fn inputs_mask_where() -> (
Tensor<TestBackend, 3>,
Tensor<TestBackend, 3>,
Tensor<TestBackend, 3, Bool>,
Tensor<ReferenceBackend, 3>,
Tensor<ReferenceBackend, 3>,
Tensor<ReferenceBackend, 3, Bool>,
) {
TestBackend::seed(0);
let device = Default::default();
let tensor = Tensor::<TestBackend, 3>::random([2, 6, 256], Distribution::Default, &device);
let value = Tensor::<TestBackend, 3>::random([2, 6, 256], Distribution::Default, &device);
let mask =
Tensor::<TestBackend, 3>::random([2, 6, 256], Distribution::Uniform(0., 1.), &device)
.lower_equal_elem(0.5);
let device_ref = Default::default();
let tensor_ref = Tensor::<ReferenceBackend, 3>::from_data(tensor.to_data(), &device_ref);
let value_ref = Tensor::<ReferenceBackend, 3>::from_data(value.to_data(), &device_ref);
let mask_ref = Tensor::<ReferenceBackend, 3, Bool>::from_data(mask.to_data(), &device_ref);
assert_eq!(mask.to_data(), mask_ref.to_data());
(tensor, value, mask, tensor_ref, value_ref, mask_ref)
}
}