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Add support for basic Kokkos operations in the rvs mode #1068

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Add support for basic Kokkos operations in the rvs mode #1068

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f127e92
Add support for basic Kokkos operations in the rvs mode
gojakuch Aug 29, 2024
5fa0a71
Add 1d indexing
gojakuch Sep 2, 2024
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44 changes: 44 additions & 0 deletions include/clad/Differentiator/KokkosBuiltins.h
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,37 @@ constructor_pushforward(
Kokkos::View<DataType, ViewParams...>(
"_diff_" + name, idx0, idx1, idx2, idx3, idx4, idx5, idx6, idx7)};
}
template <class DataType, class... ViewParams>
clad::ValueAndAdjoint<::Kokkos::View<DataType, ViewParams...>,
::Kokkos::View<DataType, ViewParams...>>
constructor_reverse_forw(
clad::ConstructorReverseForwTag<::Kokkos::View<DataType, ViewParams...>>,
const ::std::string& name, const size_t& idx0, const size_t& idx1,
const size_t& idx2, const size_t& idx3, const size_t& idx4,
const size_t& idx5, const size_t& idx6, const size_t& idx7,
const ::std::string& /*d_name*/, const size_t& /*d_idx0*/,
const size_t& /*d_idx1*/, const size_t& /*d_idx2*/,
const size_t& /*d_idx3*/, const size_t& /*d_idx4*/,
const size_t& /*d_idx5*/, const size_t& /*d_idx6*/,
const size_t& /*d_idx7*/) {
return {::Kokkos::View<DataType, ViewParams...>(name, idx0, idx1, idx2, idx3,
idx4, idx5, idx6, idx7),
::Kokkos::View<DataType, ViewParams...>(
"_diff_" + name, idx0, idx1, idx2, idx3, idx4, idx5, idx6, idx7)};
}
template <class DataType, class... ViewParams>
void constructor_pullback(::Kokkos::View<DataType, ViewParams...>* v,
const ::std::string& name, const size_t& idx0,
const size_t& idx1, const size_t& idx2,
const size_t& idx3, const size_t& idx4,
const size_t& idx5, const size_t& idx6,
const size_t& idx7,
::Kokkos::View<DataType, ViewParams...>* d_v,
const ::std::string* /*d_name*/,
const size_t& /*d_idx0*/, const size_t* /*d_idx1*/,
const size_t* /*d_idx2*/, const size_t* /*d_idx3*/,
const size_t* /*d_idx4*/, const size_t* /*d_idx5*/,
const size_t* /*d_idx6*/, const size_t* /*d_idx7*/) {}

/// View indexing
template <typename View, typename Idx>
Expand Down Expand Up @@ -107,6 +138,19 @@ operator_call_pushforward(const View* v, Idx0 i0, Idx1 i1, Idx2 i2, Idx3 i3,
return {(*v)(i0, i1, i2, i3, i4, i5, i6, i7),
(*d_v)(i0, i1, i2, i3, i4, i5, i6, i7)};
}
template <class DataType, class... ViewParams, typename Idx>
clad::ValueAndAdjoint<double&, double&> operator_call_reverse_forw(
const ::Kokkos::View<DataType, ViewParams...>* v, Idx i0,
const ::Kokkos::View<DataType, ViewParams...>* d_v, Idx /*d_i0*/) {
return {(*v)(i0), (*d_v)(i0)};
}
template <class DataType, class... ViewParams, typename Diff, typename Idx>
void operator_call_pullback(const ::Kokkos::View<DataType, ViewParams...>* v,
Idx i0, Diff d_y,
::Kokkos::View<DataType, ViewParams...>* d_v,
Idx* /*d_i0*/) {
(*d_v)(i0) += d_y;
}
} // namespace class_functions

/// Kokkos functions (view utils)
Expand Down
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