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construct/include/ircd/simt/cycles.h

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770 B
C

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2022 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_SIMT_CYCLES_H
#if defined(__OPENCL_VERSION__)
inline ulong
__attribute__((always_inline))
ircd_simt_cycles()
{
// Compiles but doesn't link on SPIR
#if __has_builtin(__builtin_readcyclecounter) && !defined(__SPIR)
return __builtin_readcyclecounter();
#else
return 0;
#endif
}
#endif