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35 lines
1.1 KiB
C++
35 lines
1.1 KiB
C++
// SPDX-License-Identifier: MIT
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// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
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#pragma once
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#include "ck/utility/common_header.hpp"
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#include "ck/tensor_description/tensor_adaptor.hpp"
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namespace ck {
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template <typename Lengths,
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typename ArrangeOrder = typename arithmetic_sequence_gen<0, Lengths::Size(), 1>::type>
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__host__ __device__ constexpr auto make_cluster_descriptor(
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const Lengths& lengths,
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ArrangeOrder order = typename arithmetic_sequence_gen<0, Lengths::Size(), 1>::type{})
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{
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constexpr index_t ndim_low = Lengths::Size();
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const auto reordered_lengths = container_reorder_given_new2old(lengths, order);
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const auto low_lengths = generate_tuple(
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[&](auto idim_low) { return reordered_lengths[idim_low]; }, Number<ndim_low>{});
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const auto transform = make_merge_transform(low_lengths);
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constexpr auto low_dim_old_top_ids = ArrangeOrder{};
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constexpr auto up_dim_new_top_ids = Sequence<0>{};
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return make_single_stage_tensor_adaptor(
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make_tuple(transform), make_tuple(low_dim_old_top_ids), make_tuple(up_dim_new_top_ids));
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}
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} // namespace ck
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