Yiltan
88 строки
3.0 KiB
C++
88 строки
3.0 KiB
C++
/******************************************************************************
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* Copyright (c) Advanced Micro Devices, Inc. All rights reserved.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*****************************************************************************/
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#ifndef LIBRARY_SRC_GDA_NUMA_WRAPPER_HPP_
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#define LIBRARY_SRC_GDA_NUMA_WRAPPER_HPP_
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namespace rocshmem {
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class NUMAWrapper;
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extern NUMAWrapper numa;
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wvla-cxx-extension"
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class NUMAWrapper {
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public:
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explicit NUMAWrapper();
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virtual ~NUMAWrapper();
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int bitmask_isbitset(const struct bitmask *bmp, unsigned int n);
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struct bitmask *get_mems_allowed(void);
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void set_preferred(int node);
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int num_configured_nodes();
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int num_configured_cpus(void);
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int node_of_cpu(int cpu);
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int max_node(void);
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long move_pages(int pid, unsigned long count, void *pages[count],
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const int nodes[count], int status[count], int flags);
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int distance(int node1, int node2);
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private:
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struct numa_funcs_t {
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int (*bitmask_isbitset)(const struct bitmask *bmp, unsigned int n);
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struct bitmask* (*get_mems_allowed)(void);
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void (*set_preferred)(int node);
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int (*num_configured_nodes)();
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int (*num_configured_cpus)(void);
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int (*node_of_cpu)(int cpu);
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int (*max_node)(void);
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long (*move_pages)(int pid, unsigned long count, void *pages[count],
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const int nodes[count], int status[count], int flags);
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int (*distance)(int node1, int node2);
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};
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/**
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* @brief External handle to the numa function table
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*/
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struct numa_funcs_t numa;
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/**
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* @brief handle used for the dlopen of the InfiniBand Verbs library
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*/
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void *numa_handle = nullptr;
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/**
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* @brief initialize function table
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*/
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int init_function_table();
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};
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#pragma clang diagnostic pop
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} // namespace rocshmem
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#endif // LIBRARY_SRC_GDA_NUMA_WRAPPER_HPP_
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