Files
composable_kernel/include/ck/utility/sequence_helper.hpp
Chao Liu 4fe9c393b8 N-D Tensor Contraction example, instance, and client example (#270)
* adding contraction

* add contraction example

* update examle

* update example

* format

* update readme

* clean header

* clean header

* contraction with multiple D

* rename

* fix naming issue; add instances for contraction+bilinear

* change assumed virtual layout of contraction; add client example

* update example

* update

* contraction+scale

* use type_convert

* rename
2022-07-07 14:31:11 -05:00

38 lines
897 B
C++

// SPDX-License-Identifier: MIT
// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
#pragma once
#include "ck/utility/tuple.hpp"
namespace ck {
template <index_t... Is>
__host__ __device__ constexpr auto make_sequence(Number<Is>...)
{
return Sequence<Is...>{};
}
// F returns index_t
template <typename F, index_t N>
__host__ __device__ constexpr auto generate_sequence(F, Number<N>)
{
return typename sequence_gen<N, F>::type{};
}
// F returns Number<>
template <typename F, index_t N>
__host__ __device__ constexpr auto generate_sequence_v2(F&& f, Number<N>)
{
return unpack([&f](auto&&... xs) { return make_sequence(f(xs)...); },
typename arithmetic_sequence_gen<0, N, 1>::type{});
}
template <index_t... Is>
__host__ __device__ constexpr auto to_sequence(Tuple<Number<Is>...>)
{
return Sequence<Is...>{};
}
} // namespace ck