//------------------------------------------------------------------------------
// File: AlignMacros.hh
// Author: Abhishek Lekshmanan - CERN
//------------------------------------------------------------------------------

/************************************************************************
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 * Copyright (C) 2023 CERN/Switzerland                                  *
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 * it under the terms of the GNU General Public License as published by *
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
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#pragma once

#include <new>
// Macros to help with alignment, ideally __cpp_lib_hardware_interference_size
// is a cpp17 feature, but looks like none of the compilers actually implement
// this!
#ifdef __cpp_lib_hardware_interference_size
using std::hardware_constructive_interference_size;
using std::hardware_destructive_interference_size;
#else
// 64 bytes on x86-64 │ L1_CACHE_BYTES │ L1_CACHE_SHIFT │ __cacheline_aligned │ ...
constexpr std::size_t hardware_constructive_interference_size = 64;
constexpr std::size_t hardware_destructive_interference_size = 64;
#endif