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Add
to_arrow_device
function to cudf interop using nanoarrow (#15047)
Introduce new `to_arrow_device` and `to_arrow_schema` functions to utilize the `ArrowDeviceArray` structure for zero-copy passing of libcudf::table. Add nanoarrow as a vendored lib and a script to update it. Initial step towards addressing #14926 Authors: - Matt Topol (https://github.com/zeroshade) - Vyas Ramasubramani (https://github.com/vyasr) - David Wendt (https://github.com/davidwendt) Approvers: - Vyas Ramasubramani (https://github.com/vyasr) - David Wendt (https://github.com/davidwendt) URL: #15047
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# ============================================================================= | ||
# Copyright (c) 2024, NVIDIA CORPORATION. | ||
# | ||
# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except | ||
# in compliance with the License. You may obtain a copy of the License at | ||
# | ||
# http://www.apache.org/licenses/LICENSE-2.0 | ||
# | ||
# Unless required by applicable law or agreed to in writing, software distributed under the License | ||
# is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express | ||
# or implied. See the License for the specific language governing permissions and limitations under | ||
# the License. | ||
# ============================================================================= | ||
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# This function finds nanoarrow and sets any additional necessary environment variables. | ||
function(find_and_configure_nanoarrow) | ||
set(oneValueArgs VERSION FORK PINNED_TAG) | ||
cmake_parse_arguments(PKG "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN}) | ||
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rapids_cpm_find( | ||
nanoarrow ${PKG_VERSION} | ||
GLOBAL_TARGETS nanoarrow | ||
CPM_ARGS | ||
GIT_REPOSITORY https://github.com/${PKG_FORK}/arrow-nanoarrow.git | ||
GIT_TAG ${PKG_PINNED_TAG} | ||
# TODO: Commit hashes are not supported with shallow clones. Can switch this if and when we pin | ||
# to an actual tag. | ||
GIT_SHALLOW FALSE | ||
OPTIONS "BUILD_SHARED_LIBS OFF" "NANOARROW_NAMESPACE cudf" | ||
) | ||
set_target_properties(nanoarrow PROPERTIES POSITION_INDEPENDENT_CODE ON) | ||
endfunction() | ||
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find_and_configure_nanoarrow( | ||
VERSION 0.4.0 FORK apache PINNED_TAG c97720003ff863b81805bcdb9f7c91306ab6b6a8 | ||
) |
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/* | ||
* Copyright (c) 2024, NVIDIA CORPORATION. | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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#pragma once | ||
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#include <nanoarrow/nanoarrow.hpp> | ||
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// from Arrow C Device Data Interface | ||
// https://arrow.apache.org/docs/format/CDeviceDataInterface.html | ||
#ifndef ARROW_C_DEVICE_DATA_INTERFACE | ||
#define ARROW_C_DEVICE_DATA_INTERFACE | ||
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// Device type for the allocated memory | ||
typedef int32_t ArrowDeviceType; | ||
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// CPU device, same as using ArrowArray directly | ||
#define ARROW_DEVICE_CPU 1 | ||
// CUDA GPU Device | ||
#define ARROW_DEVICE_CUDA 2 | ||
// Pinned CUDA CPU memory by cudaMallocHost | ||
#define ARROW_DEVICE_CUDA_HOST 3 | ||
// CUDA managed/unified memory allocated by cudaMallocManaged | ||
#define ARROW_DEVICE_CUDA_MANAGED 13 | ||
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struct ArrowDeviceArray { | ||
struct ArrowArray array; | ||
int64_t device_id; | ||
ArrowDeviceType device_type; | ||
void* sync_event; | ||
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// reserved bytes for future expansion | ||
int64_t reserved[3]; | ||
}; | ||
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#endif // ARROW_C_DEVICE_DATA_INTERFACE |
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