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| # Licensed to the Apache Software Foundation (ASF) under one | ||
| # or more contributor license agreements. See the NOTICE file | ||
| # distributed with this work for additional information | ||
| # regarding copyright ownership. The ASF licenses this file | ||
| # to you 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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| # distutils: language = c++ | ||
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| from pyarrow.includes.libarrow cimport * | ||
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| cdef extern from "arrow/gpu/cuda_api.h" namespace "arrow::gpu" nogil: | ||
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| cdef cppclass CCudaDeviceManager" arrow::gpu::CudaDeviceManager": | ||
| @staticmethod | ||
| CStatus GetInstance(CCudaDeviceManager ** manager) | ||
| CStatus GetContext(int gpu_number, shared_ptr[CCudaContext] * ctx) | ||
| CStatus CreateNewContext(int gpu_number, | ||
| shared_ptr[CCudaContext] * ctx) | ||
| CStatus AllocateHost(int64_t nbytes, | ||
| shared_ptr[CCudaHostBuffer] * buffer) | ||
| CStatus FreeHost(void * data, int64_t nbytes) | ||
| int num_devices() const | ||
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| cdef cppclass CCudaContext" arrow::gpu::CudaContext": | ||
| shared_ptr[CCudaContext] shared_from_this() | ||
| CStatus Close() | ||
| CStatus Allocate(int64_t nbytes, shared_ptr[CCudaBuffer] * out) | ||
| CStatus OpenIpcBuffer(const CCudaIpcMemHandle & ipc_handle, | ||
| shared_ptr[CCudaBuffer] * buffer) | ||
| int64_t bytes_allocated() const | ||
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| cdef cppclass CCudaIpcMemHandle" arrow::gpu::CudaIpcMemHandle": | ||
| @staticmethod | ||
| CStatus FromBuffer(const void * opaque_handle, | ||
| shared_ptr[CCudaIpcMemHandle] * handle) | ||
| CStatus Serialize(CMemoryPool * pool, shared_ptr[CBuffer] * out) const | ||
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| cdef cppclass CCudaBuffer" arrow::gpu::CudaBuffer"(CBuffer): | ||
| CCudaBuffer(uint8_t * data, int64_t size, | ||
| const shared_ptr[CCudaContext] & context, | ||
| c_bool own_data=false, c_bool is_ipc=false) | ||
| CCudaBuffer(const shared_ptr[CCudaBuffer] & parent, | ||
| const int64_t offset, const int64_t size) | ||
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| @staticmethod | ||
| CStatus FromBuffer(shared_ptr[CBuffer] buffer, | ||
| shared_ptr[CCudaBuffer] * out) | ||
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| CStatus CopyToHost(const int64_t position, const int64_t nbytes, | ||
| void * out) const | ||
| CStatus CopyFromHost(const int64_t position, const void * data, | ||
| int64_t nbytes) | ||
| CStatus ExportForIpc(shared_ptr[CCudaIpcMemHandle] * handle) | ||
| shared_ptr[CCudaContext] context() const | ||
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| cdef cppclass CCudaHostBuffer" arrow::gpu::CudaHostBuffer"(CMutableBuffer): | ||
| pass | ||
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| cdef cppclass \ | ||
| CCudaBufferReader" arrow::gpu::CudaBufferReader"(CBufferReader): | ||
| CCudaBufferReader(const shared_ptr[CBuffer] & buffer) | ||
| CStatus Read(int64_t nbytes, int64_t * bytes_read, void * buffer) | ||
| CStatus Read(int64_t nbytes, shared_ptr[CBuffer] * out) | ||
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| cdef cppclass \ | ||
| CCudaBufferWriter" arrow::gpu::CudaBufferWriter"(WriteableFile): | ||
| CCudaBufferWriter(const shared_ptr[CCudaBuffer] & buffer) | ||
| CStatus Close() | ||
| CStatus Flush() | ||
| # CStatus Seek(int64_t position) | ||
| CStatus Write(const void * data, int64_t nbytes) | ||
| CStatus WriteAt(int64_t position, const void * data, int64_t nbytes) | ||
| # CStatus Tell(int64_t* position) const | ||
| CStatus SetBufferSize(const int64_t buffer_size) | ||
| int64_t buffer_size() | ||
| int64_t num_bytes_buffered() const | ||
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| CStatus AllocateCudaHostBuffer(const int64_t size, | ||
| shared_ptr[CCudaHostBuffer] * out) | ||
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| # Cuda prefix is added to avoid picking up arrow::gpu functions | ||
| # from arrow namespace. | ||
| CStatus CudaSerializeRecordBatch" arrow::gpu::SerializeRecordBatch"\ | ||
| (const CRecordBatch & batch, | ||
| CCudaContext * ctx, | ||
| shared_ptr[CCudaBuffer] * out) | ||
| CStatus CudaReadMessage" arrow::gpu::ReadMessage"\ | ||
| (CCudaBufferReader * reader, | ||
| CMemoryPool * pool, | ||
| unique_ptr[CMessage] * message) | ||
| CStatus CudaReadRecordBatch" arrow::gpu::ReadRecordBatch"\ | ||
| (const shared_ptr[CSchema] & schema, | ||
| const shared_ptr[CCudaBuffer] & buffer, | ||
| CMemoryPool * pool, shared_ptr[CRecordBatch] * out) |
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