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prefetch.h
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//****************************************************************************************
//
// Copyright (c) 2015-2020, Yoshifumi Nakamura <[email protected]>
// Copyright (c) 2015-2020, Yuta Mukai <[email protected]>
// Copyright (c) 2018-2020, Ken-Ichi Ishikawa <[email protected]>
// Copyright (c) 2019-2020, Issaku Kanamori <[email protected]>
//
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer listed
// in this license in the documentation and/or other materials
// provided with the distribution.
//
// * Neither the name of the copyright holders nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//----------------------------------------------------------------------------------------
// ACKNOWLEDGMENT
//
// This software has been developed in a co-design working group for the lattice QCD
// supported by MEXT's programs for the Development and Improvement for the Next
// Generation Ultra High-Speed Computer System, under its Subsidies for Operating the
// Specific Advanced Large Research Facilities, and Priority Issue 9
// (Elucidation of the Fundamental Laws and Evolution of the Universe) to be tackled by
// using the Supercomputer Fugaku.
//
//****************************************************************************************
#pragma once
#if VLENS == 16 && !defined(DISABLE_PREFETCH)
// The cache line size is assumed to be 256 bytes.
// a is assumed to be aligned on 256-byte boundary. Then the last elements of su3, out and clv are
// guaranteed to be included in the last prefetched line.
#define __prefetch_su3(a,i){ \
__builtin_prefetch((void*)&((*(a+i)).c_prefetch[64*0]), 0, 3); \
__builtin_prefetch((void*)&((*(a+i)).c_prefetch[64*1]), 0, 3); \
__builtin_prefetch((void*)&((*(a+i)).c_prefetch[64*2]), 0, 3); \
__builtin_prefetch((void*)&((*(a+i)).c_prefetch[64*3]), 0, 3); \
__builtin_prefetch((void*)&((*(a+i)).c_prefetch[64*4]), 0, 3); \
}
#define __prefetch_inp(a,i){ \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*0], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*1], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*2], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*3], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*4], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*5], 0, 3); \
}
#define __prefetch_out(a,i){ \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*0], 1, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*1], 1, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*2], 1, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*3], 1, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*4], 1, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*5], 1, 3); \
}
#define __prefetch_clv(a,i){ \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*0], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*1], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*2], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*3], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*4], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*5], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*6], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*7], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*8], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*9], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*10], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*11], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*12], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*13], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*14], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*15], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*16], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*17], 0, 3); \
}
#define __prefetch_sendbuf(a,i){ \
__builtin_prefetch((void*)&((*(a+i)).c_prefetch[64*0]), 1, 3); \
__builtin_prefetch((void*)&((*(a+i)).c_prefetch[64*1]), 1, 3); \
__builtin_prefetch((void*)&((*(a+i)).c_prefetch[64*2]), 1, 3); \
}
#define __prefetch_recvbuf(a,i){ \
__builtin_prefetch((void*)&((*(a+i)).c_prefetch[64*0]), 0, 3); \
__builtin_prefetch((void*)&((*(a+i)).c_prefetch[64*1]), 0, 3); \
__builtin_prefetch((void*)&((*(a+i)).c_prefetch[64*2]), 0, 3); \
}
#elif VLENS == 8 && !defined(DISABLE_PREFETCH)
#define __prefetch_su3(a,i){ \
__builtin_prefetch((void*)&((*(a+i)).c_prefetch[64*0]), 0, 3); \
__builtin_prefetch((void*)&((*(a+i)).c_prefetch[64*1]), 0, 3); \
__builtin_prefetch((void*)&((*(a+i)).c_prefetch[64*2]), 0, 3); \
}
#define __prefetch_inp(a,i){ \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*0], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*1], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*2], 0, 3); \
}
#define __prefetch_out(a,i){ \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*0], 1, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*1], 1, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*2], 1, 3); \
}
#define __prefetch_clv(a,i){ \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*0], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*1], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*2], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*3], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*4], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*5], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*6], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*7], 0, 3); \
__builtin_prefetch(&(*(a+i)).c_prefetch[64*8], 0, 3); \
}
#define __prefetch_sendbuf(a,i){ \
__builtin_prefetch((void*)&((*(a+i)).c_prefetch[64*0]), 1, 3); \
__builtin_prefetch((void*)&((*(a+i)).c_prefetch[64*1]), 1, 3); \
__builtin_prefetch((void*)&((*(a+i)).c_prefetch[64*2]), 1, 3); \
}
#define __prefetch_recvbuf(a,i){ \
__builtin_prefetch((void*)&((*(a+i)).c_prefetch[64*0]), 0, 3); \
__builtin_prefetch((void*)&((*(a+i)).c_prefetch[64*1]), 0, 3); \
__builtin_prefetch((void*)&((*(a+i)).c_prefetch[64*2]), 0, 3); \
}
#else
#define __prefetch_su3(a, i)
#define __prefetch_inp(a, i)
#define __prefetch_out(a, i)
#define __prefetch_clv(a, i)
#define __prefetch_sendbuf(a,i)
#define __prefetch_recvbuf(a,i)
#endif