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simd.hpp
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simd.hpp
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/*
//@HEADER
// ************************************************************************
//
// Kokkos v. 2.0
// Copyright (2014) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "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 SANDIA CORPORATION OR THE
// 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.
//
// Questions? Contact Christian R. Trott ([email protected])
//
// ************************************************************************
//@HEADER
*/
#pragma once
#include "simd_common.hpp"
#include "scalar.hpp"
#include "pack.hpp"
#include "vector_size.hpp"
#ifndef SIMD_FORCE_SCALAR
#if defined( __CUDACC__ )
#include "cuda_warp.hpp"
#elif defined( __HIPCC__ )
#include "hip_wavefront.hpp"
#else
#ifdef __SSE__
#include "sse.hpp"
#endif
#ifdef __AVX__
#include "avx.hpp"
#endif
#ifdef __AVX512F__
#include "avx512.hpp"
#endif
#ifdef __ARM_NEON
#include "neon.hpp"
#endif
#ifdef __VSX__
#include "vsx.hpp"
#endif
#endif
#endif
namespace SIMD_NAMESPACE {
namespace simd_abi {
#if defined(SIMD_FORCE_SCALAR)
using native = scalar;
#elif defined(__CUDACC__)
using native = scalar;
#elif defined(__HIPCC__)
using native = scalar;
#elif defined(__AVX512F__)
using native = avx512;
#elif defined(__AVX__)
using native = avx;
#elif defined(__SSE2__)
using native = sse;
#elif defined(__ARM_NEON) && !defined(__ARM_FEATURE_SVE_BITS) && !defined(__ARM_FEATURE_SVE)
using native = neon;
#elif defined(__VSX__)
using native = vsx;
#elif defined(SIMD_ENABLE_VECTOR_SIZE)
#if defined(__ARM_FEATURE_SVE_BITS)
using native = vector_size<__ARM_FEATURE_SVE_BITS/8>;
#else
#if defined(__ARM_FEATURE_SVE)
using native = vector_size<64>;
#else
using native = vector_size<32>;
#endif
#endif
#else
using native = pack<8>;
#endif
}
template <class T>
using native_simd = simd<T, simd_abi::native>;
}