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|
// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Mehdi Goli Codeplay Software Ltd.
// Ralph Potter Codeplay Software Ltd.
// Luke Iwanski Codeplay Software Ltd.
// Contact: <eigen@codeplay.com>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
/*****************************************************************
* PacketMath.h
*
* \brief:
* PacketMath
*
*****************************************************************/
#ifndef EIGEN_PACKET_MATH_SYCL_H
#define EIGEN_PACKET_MATH_SYCL_H
#include <type_traits>
namespace Eigen {
namespace internal {
#ifdef SYCL_DEVICE_ONLY
#define SYCL_PLOADT_RO(address_space_target) \
template <typename packet_type, int Alignment> \
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE packet_type ploadt_ro( \
typename cl::sycl::multi_ptr< \
const typename unpacket_traits<packet_type>::type, \
cl::sycl::access::address_space::address_space_target>::pointer_t \
from) { \
typedef typename unpacket_traits<packet_type>::type scalar; \
typedef cl::sycl::multi_ptr< \
scalar, cl::sycl::access::address_space::address_space_target> \
multi_ptr; \
auto res = packet_type( \
static_cast<typename unpacket_traits<packet_type>::type>(0)); \
res.load(0, multi_ptr(const_cast<typename multi_ptr::pointer_t>(from))); \
return res; \
}
SYCL_PLOADT_RO(global_space)
SYCL_PLOADT_RO(local_space)
#undef SYCL_PLOADT_RO
#endif
template <typename packet_type, int Alignment, typename T>
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE packet_type
ploadt_ro(const Eigen::TensorSycl::internal::RangeAccess<
cl::sycl::access::mode::read_write, T>& from) {
return ploadt_ro<packet_type, Alignment>(from.get_pointer());
}
#ifdef SYCL_DEVICE_ONLY
#define SYCL_PLOAD(address_space_target, Alignment, AlignedType) \
template <typename packet_type> \
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE packet_type pload##AlignedType( \
typename cl::sycl::multi_ptr< \
const typename unpacket_traits<packet_type>::type, \
cl::sycl::access::address_space::address_space_target>::pointer_t \
from) { \
return ploadt_ro<packet_type, Alignment>(from); \
}
// global space
SYCL_PLOAD(global_space, Unaligned, u)
SYCL_PLOAD(global_space, Aligned, )
// local space
SYCL_PLOAD(local_space, Unaligned, u)
SYCL_PLOAD(local_space, Aligned, )
#undef SYCL_PLOAD
#endif
#define SYCL_PLOAD(Alignment, AlignedType) \
template <typename packet_type> \
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE packet_type pload##AlignedType( \
const Eigen::TensorSycl::internal::RangeAccess< \
cl::sycl::access::mode::read_write, \
typename unpacket_traits<packet_type>::type> \
from) { \
return ploadt_ro<packet_type, Alignment>(from); \
}
SYCL_PLOAD(Unaligned, u)
SYCL_PLOAD(Aligned, )
#undef SYCL_PLOAD
#ifdef SYCL_DEVICE_ONLY
/** \internal \returns a packet version of \a *from.
* The pointer \a from must be aligned on a \a Alignment bytes boundary. */
#define SYCL_PLOADT(address_space_target) \
template <typename packet_type, int Alignment> \
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE packet_type ploadt( \
typename cl::sycl::multi_ptr< \
const typename unpacket_traits<packet_type>::type, \
cl::sycl::access::address_space::address_space_target>::pointer_t \
from) { \
if (Alignment >= unpacket_traits<packet_type>::alignment) \
return pload<packet_type>(from); \
else \
return ploadu<packet_type>(from); \
}
// global space
SYCL_PLOADT(global_space)
// local space
SYCL_PLOADT(local_space)
#undef SYCL_PLOADT
#endif
template <typename packet_type, int Alignment>
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE packet_type
ploadt(const Eigen::TensorSycl::internal::RangeAccess<
cl::sycl::access::mode::read_write,
typename unpacket_traits<packet_type>::type>& from) {
return ploadt<packet_type, Alignment>(from.get_pointer());
}
#ifdef SYCL_DEVICE_ONLY
// private_space
#define SYCL_PLOADT_RO_SPECIAL(packet_type, Alignment) \
template <> \
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE packet_type \
ploadt_ro<packet_type, Alignment>( \
const typename unpacket_traits<packet_type>::type* from) { \
typedef typename unpacket_traits<packet_type>::type scalar; \
auto res = packet_type(static_cast<scalar>(0)); \
res.template load<cl::sycl::access::address_space::private_space>( \
0, const_cast<scalar*>(from)); \
return res; \
}
SYCL_PLOADT_RO_SPECIAL(cl::sycl::cl_float4, Aligned)
SYCL_PLOADT_RO_SPECIAL(cl::sycl::cl_double2, Aligned)
SYCL_PLOADT_RO_SPECIAL(cl::sycl::cl_float4, Unaligned)
SYCL_PLOADT_RO_SPECIAL(cl::sycl::cl_double2, Unaligned)
#define SYCL_PLOAD_SPECIAL(packet_type, alignment_type) \
template <> \
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE packet_type pload##alignment_type( \
const typename unpacket_traits<packet_type>::type* from) { \
typedef typename unpacket_traits<packet_type>::type scalar; \
auto res = packet_type(static_cast<scalar>(0)); \
res.template load<cl::sycl::access::address_space::private_space>( \
0, const_cast<scalar*>(from)); \
return res; \
}
SYCL_PLOAD_SPECIAL(cl::sycl::cl_float4, )
SYCL_PLOAD_SPECIAL(cl::sycl::cl_double2, )
SYCL_PLOAD_SPECIAL(cl::sycl::cl_float4, u)
SYCL_PLOAD_SPECIAL(cl::sycl::cl_double2, u)
#undef SYCL_PLOAD_SPECIAL
#define SYCL_PSTORE(scalar, packet_type, address_space_target, alignment) \
template <> \
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE void pstore##alignment( \
typename cl::sycl::multi_ptr< \
scalar, \
cl::sycl::access::address_space::address_space_target>::pointer_t \
to, \
const packet_type& from) { \
typedef cl::sycl::multi_ptr< \
scalar, cl::sycl::access::address_space::address_space_target> \
multi_ptr; \
from.store(0, multi_ptr(to)); \
}
// global space
SYCL_PSTORE(float, cl::sycl::cl_float4, global_space, )
SYCL_PSTORE(float, cl::sycl::cl_float4, global_space, u)
SYCL_PSTORE(double, cl::sycl::cl_double2, global_space, )
SYCL_PSTORE(double, cl::sycl::cl_double2, global_space, u)
SYCL_PSTORE(float, cl::sycl::cl_float4, local_space, )
SYCL_PSTORE(float, cl::sycl::cl_float4, local_space, u)
SYCL_PSTORE(double, cl::sycl::cl_double2, local_space, )
SYCL_PSTORE(double, cl::sycl::cl_double2, local_space, u)
SYCL_PSTORE(float, cl::sycl::cl_float4, private_space, )
SYCL_PSTORE(float, cl::sycl::cl_float4, private_space, u)
SYCL_PSTORE(double, cl::sycl::cl_double2, private_space, )
SYCL_PSTORE(double, cl::sycl::cl_double2, private_space, u)
#undef SYCL_PSTORE
#define SYCL_PSTORE_T(address_space_target) \
template <typename scalar, typename packet_type, int Alignment> \
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE void pstoret( \
typename cl::sycl::multi_ptr< \
scalar, \
cl::sycl::access::address_space::address_space_target>::pointer_t \
to, \
const packet_type& from) { \
if (Alignment) \
pstore(to, from); \
else \
pstoreu(to, from); \
}
SYCL_PSTORE_T(global_space)
SYCL_PSTORE_T(local_space)
#undef SYCL_PSTORE_T
#define SYCL_PSET1(packet_type) \
template <> \
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE packet_type pset1<packet_type>( \
const typename unpacket_traits<packet_type>::type& from) { \
return packet_type(from); \
}
// global space
SYCL_PSET1(cl::sycl::cl_float4)
SYCL_PSET1(cl::sycl::cl_double2)
#undef SYCL_PSET1
template <typename packet_type>
struct get_base_packet {
template <typename sycl_multi_pointer>
static EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE packet_type
get_ploaddup(sycl_multi_pointer) {}
template <typename sycl_multi_pointer>
static EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE packet_type
get_pgather(sycl_multi_pointer, Index) {}
};
template <>
struct get_base_packet<cl::sycl::cl_float4> {
template <typename sycl_multi_pointer>
static EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE cl::sycl::cl_float4 get_ploaddup(
sycl_multi_pointer from) {
return cl::sycl::cl_float4(from[0], from[0], from[1], from[1]);
}
template <typename sycl_multi_pointer>
static EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE cl::sycl::cl_float4 get_pgather(
sycl_multi_pointer from, Index stride) {
return cl::sycl::cl_float4(from[0 * stride], from[1 * stride],
from[2 * stride], from[3 * stride]);
}
template <typename sycl_multi_pointer>
static EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void set_pscatter(
sycl_multi_pointer to, const cl::sycl::cl_float4& from, Index stride) {
auto tmp = stride;
to[0] = from.x();
to[tmp] = from.y();
to[tmp += stride] = from.z();
to[tmp += stride] = from.w();
}
static EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE cl::sycl::cl_float4 set_plset(
const float& a) {
return cl::sycl::cl_float4(static_cast<float>(a), static_cast<float>(a + 1),
static_cast<float>(a + 2),
static_cast<float>(a + 3));
}
};
template <>
struct get_base_packet<cl::sycl::cl_double2> {
template <typename sycl_multi_pointer>
static EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE cl::sycl::cl_double2
get_ploaddup(const sycl_multi_pointer from) {
return cl::sycl::cl_double2(from[0], from[0]);
}
template <typename sycl_multi_pointer, typename Index>
static EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE cl::sycl::cl_double2 get_pgather(
const sycl_multi_pointer from, Index stride) {
return cl::sycl::cl_double2(from[0 * stride], from[1 * stride]);
}
template <typename sycl_multi_pointer>
static EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void set_pscatter(
sycl_multi_pointer to, const cl::sycl::cl_double2& from, Index stride) {
to[0] = from.x();
to[stride] = from.y();
}
static EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE cl::sycl::cl_double2 set_plset(
const double& a) {
return cl::sycl::cl_double2(static_cast<double>(a),
static_cast<double>(a + 1));
}
};
#define SYCL_PLOAD_DUP(address_space_target) \
template <typename packet_type> \
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE packet_type ploaddup( \
typename cl::sycl::multi_ptr< \
const typename unpacket_traits<packet_type>::type, \
cl::sycl::access::address_space::address_space_target>::pointer_t \
from) { \
return get_base_packet<packet_type>::get_ploaddup(from); \
}
// global space
SYCL_PLOAD_DUP(global_space)
// local_space
SYCL_PLOAD_DUP(local_space)
#undef SYCL_PLOAD_DUP
#define SYCL_PLOAD_DUP_SPECILIZE(packet_type) \
template <> \
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE packet_type ploaddup<packet_type>( \
const typename unpacket_traits<packet_type>::type* from) { \
return get_base_packet<packet_type>::get_ploaddup(from); \
}
SYCL_PLOAD_DUP_SPECILIZE(cl::sycl::cl_float4)
SYCL_PLOAD_DUP_SPECILIZE(cl::sycl::cl_double2)
#undef SYCL_PLOAD_DUP_SPECILIZE
#define SYCL_PLSET(packet_type) \
template <> \
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE packet_type plset<packet_type>( \
const typename unpacket_traits<packet_type>::type& a) { \
return get_base_packet<packet_type>::set_plset(a); \
}
SYCL_PLSET(cl::sycl::cl_float4)
SYCL_PLSET(cl::sycl::cl_double2)
#undef SYCL_PLSET
#define SYCL_PGATHER(address_space_target) \
template <typename Scalar, typename packet_type> \
EIGEN_DEVICE_FUNC inline packet_type pgather( \
typename cl::sycl::multi_ptr< \
const typename unpacket_traits<packet_type>::type, \
cl::sycl::access::address_space::address_space_target>::pointer_t \
from, \
Index stride) { \
return get_base_packet<packet_type>::get_pgather(from, stride); \
}
// global space
SYCL_PGATHER(global_space)
// local space
SYCL_PGATHER(local_space)
#undef SYCL_PGATHER
#define SYCL_PGATHER_SPECILIZE(scalar, packet_type) \
template <> \
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE packet_type \
pgather<scalar, packet_type>( \
const typename unpacket_traits<packet_type>::type* from, Index stride) { \
return get_base_packet<packet_type>::get_pgather(from, stride); \
}
SYCL_PGATHER_SPECILIZE(float, cl::sycl::cl_float4)
SYCL_PGATHER_SPECILIZE(double, cl::sycl::cl_double2)
#undef SYCL_PGATHER_SPECILIZE
#define SYCL_PSCATTER(address_space_target) \
template <typename Scalar, typename packet_type> \
EIGEN_DEVICE_FUNC inline void pscatter( \
typename cl::sycl::multi_ptr< \
typename unpacket_traits<packet_type>::type, \
cl::sycl::access::address_space::address_space_target>::pointer_t \
to, \
const packet_type& from, Index stride) { \
get_base_packet<packet_type>::set_pscatter(to, from, stride); \
}
// global space
SYCL_PSCATTER(global_space)
// local space
SYCL_PSCATTER(local_space)
#undef SYCL_PSCATTER
#define SYCL_PSCATTER_SPECILIZE(scalar, packet_type) \
template <> \
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void pscatter<scalar, packet_type>( \
typename unpacket_traits<packet_type>::type * to, \
const packet_type& from, Index stride) { \
get_base_packet<packet_type>::set_pscatter(to, from, stride); \
}
SYCL_PSCATTER_SPECILIZE(float, cl::sycl::cl_float4)
SYCL_PSCATTER_SPECILIZE(double, cl::sycl::cl_double2)
#undef SYCL_PSCATTER_SPECILIZE
#define SYCL_PMAD(packet_type) \
template <> \
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE packet_type pmadd( \
const packet_type& a, const packet_type& b, const packet_type& c) { \
return cl::sycl::mad(a, b, c); \
}
SYCL_PMAD(cl::sycl::cl_float4)
SYCL_PMAD(cl::sycl::cl_double2)
#undef SYCL_PMAD
template <>
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE float pfirst<cl::sycl::cl_float4>(
const cl::sycl::cl_float4& a) {
return a.x();
}
template <>
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE double pfirst<cl::sycl::cl_double2>(
const cl::sycl::cl_double2& a) {
return a.x();
}
template <>
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE float predux<cl::sycl::cl_float4>(
const cl::sycl::cl_float4& a) {
return a.x() + a.y() + a.z() + a.w();
}
template <>
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE double predux<cl::sycl::cl_double2>(
const cl::sycl::cl_double2& a) {
return a.x() + a.y();
}
template <>
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE float predux_max<cl::sycl::cl_float4>(
const cl::sycl::cl_float4& a) {
return cl::sycl::fmax(cl::sycl::fmax(a.x(), a.y()),
cl::sycl::fmax(a.z(), a.w()));
}
template <>
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE double predux_max<cl::sycl::cl_double2>(
const cl::sycl::cl_double2& a) {
return cl::sycl::fmax(a.x(), a.y());
}
template <>
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE float predux_min<cl::sycl::cl_float4>(
const cl::sycl::cl_float4& a) {
return cl::sycl::fmin(cl::sycl::fmin(a.x(), a.y()),
cl::sycl::fmin(a.z(), a.w()));
}
template <>
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE double predux_min<cl::sycl::cl_double2>(
const cl::sycl::cl_double2& a) {
return cl::sycl::fmin(a.x(), a.y());
}
template <>
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE float predux_mul<cl::sycl::cl_float4>(
const cl::sycl::cl_float4& a) {
return a.x() * a.y() * a.z() * a.w();
}
template <>
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE double predux_mul<cl::sycl::cl_double2>(
const cl::sycl::cl_double2& a) {
return a.x() * a.y();
}
template <>
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE cl::sycl::cl_float4
pabs<cl::sycl::cl_float4>(const cl::sycl::cl_float4& a) {
return cl::sycl::cl_float4(cl::sycl::fabs(a.x()), cl::sycl::fabs(a.y()),
cl::sycl::fabs(a.z()), cl::sycl::fabs(a.w()));
}
template <>
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE cl::sycl::cl_double2
pabs<cl::sycl::cl_double2>(const cl::sycl::cl_double2& a) {
return cl::sycl::cl_double2(cl::sycl::fabs(a.x()), cl::sycl::fabs(a.y()));
}
template <typename Packet>
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE Packet sycl_pcmp_le(const Packet &a,
const Packet &b) {
return ((a <= b)
.template convert<typename unpacket_traits<Packet>::type,
cl::sycl::rounding_mode::automatic>());
}
template <typename Packet>
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE Packet sycl_pcmp_lt(const Packet &a,
const Packet &b) {
return ((a < b)
.template convert<typename unpacket_traits<Packet>::type,
cl::sycl::rounding_mode::automatic>());
}
template <typename Packet>
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE Packet sycl_pcmp_eq(const Packet &a,
const Packet &b) {
return ((a == b)
.template convert<typename unpacket_traits<Packet>::type,
cl::sycl::rounding_mode::automatic>());
}
#define SYCL_PCMP(OP, TYPE) \
template <> \
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE TYPE pcmp_##OP<TYPE>(const TYPE &a, \
const TYPE &b) { \
return sycl_pcmp_##OP<TYPE>(a, b); \
}
SYCL_PCMP(le, cl::sycl::cl_float4)
SYCL_PCMP(lt, cl::sycl::cl_float4)
SYCL_PCMP(eq, cl::sycl::cl_float4)
SYCL_PCMP(le, cl::sycl::cl_double2)
SYCL_PCMP(lt, cl::sycl::cl_double2)
SYCL_PCMP(eq, cl::sycl::cl_double2)
#undef SYCL_PCMP
template <typename T> struct convert_to_integer;
template <> struct convert_to_integer<float> {
using type = std::int32_t;
using packet_type = cl::sycl::cl_int4;
};
template <> struct convert_to_integer<double> {
using type = std::int64_t;
using packet_type = cl::sycl::cl_long2;
};
template <typename PacketIn>
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE typename convert_to_integer<
typename unpacket_traits<PacketIn>::type>::packet_type
vector_as_int(const PacketIn &p) {
return (
p.template convert<typename convert_to_integer<
typename unpacket_traits<PacketIn>::type>::type,
cl::sycl::rounding_mode::automatic>());
}
template <typename packetOut, typename PacketIn>
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE packetOut
convert_vector(const PacketIn &p) {
return (p.template convert<typename unpacket_traits<packetOut>::type,
cl::sycl::rounding_mode::automatic>());
}
#define SYCL_PAND(TYPE) \
template <> \
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE TYPE pand<TYPE>(const TYPE &a, \
const TYPE &b) { \
return convert_vector<TYPE>(vector_as_int(a) & vector_as_int(b)); \
}
SYCL_PAND(cl::sycl::cl_float4)
SYCL_PAND(cl::sycl::cl_double2)
#undef SYCL_PAND
#define SYCL_POR(TYPE) \
template <> \
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE TYPE por<TYPE>(const TYPE &a, \
const TYPE &b) { \
return convert_vector<TYPE>(vector_as_int(a) | vector_as_int(b)); \
}
SYCL_POR(cl::sycl::cl_float4)
SYCL_POR(cl::sycl::cl_double2)
#undef SYCL_POR
#define SYCL_PXOR(TYPE) \
template <> \
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE TYPE pxor<TYPE>(const TYPE &a, \
const TYPE &b) { \
return convert_vector<TYPE>(vector_as_int(a) ^ vector_as_int(b)); \
}
SYCL_PXOR(cl::sycl::cl_float4)
SYCL_PXOR(cl::sycl::cl_double2)
#undef SYCL_PXOR
#define SYCL_PANDNOT(TYPE) \
template <> \
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE TYPE pandnot<TYPE>(const TYPE &a, \
const TYPE &b) { \
return convert_vector<TYPE>(vector_as_int(a) & (~vector_as_int(b))); \
}
SYCL_PANDNOT(cl::sycl::cl_float4)
SYCL_PANDNOT(cl::sycl::cl_double2)
#undef SYCL_PANDNOT
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE void ptranspose(
PacketBlock<cl::sycl::cl_float4, 4>& kernel) {
float tmp = kernel.packet[0].y();
kernel.packet[0].y() = kernel.packet[1].x();
kernel.packet[1].x() = tmp;
tmp = kernel.packet[0].z();
kernel.packet[0].z() = kernel.packet[2].x();
kernel.packet[2].x() = tmp;
tmp = kernel.packet[0].w();
kernel.packet[0].w() = kernel.packet[3].x();
kernel.packet[3].x() = tmp;
tmp = kernel.packet[1].z();
kernel.packet[1].z() = kernel.packet[2].y();
kernel.packet[2].y() = tmp;
tmp = kernel.packet[1].w();
kernel.packet[1].w() = kernel.packet[3].y();
kernel.packet[3].y() = tmp;
tmp = kernel.packet[2].w();
kernel.packet[2].w() = kernel.packet[3].z();
kernel.packet[3].z() = tmp;
}
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE void ptranspose(
PacketBlock<cl::sycl::cl_double2, 2>& kernel) {
double tmp = kernel.packet[0].y();
kernel.packet[0].y() = kernel.packet[1].x();
kernel.packet[1].x() = tmp;
}
template <>
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE cl::sycl::cl_float4 pblend(
const Selector<unpacket_traits<cl::sycl::cl_float4>::size>& ifPacket,
const cl::sycl::cl_float4& thenPacket,
const cl::sycl::cl_float4& elsePacket) {
cl::sycl::cl_int4 condition(
ifPacket.select[0] ? 0 : -1, ifPacket.select[1] ? 0 : -1,
ifPacket.select[2] ? 0 : -1, ifPacket.select[3] ? 0 : -1);
return cl::sycl::select(thenPacket, elsePacket, condition);
}
template <>
inline cl::sycl::cl_double2 pblend(
const Selector<unpacket_traits<cl::sycl::cl_double2>::size>& ifPacket,
const cl::sycl::cl_double2& thenPacket,
const cl::sycl::cl_double2& elsePacket) {
cl::sycl::cl_long2 condition(ifPacket.select[0] ? 0 : -1,
ifPacket.select[1] ? 0 : -1);
return cl::sycl::select(thenPacket, elsePacket, condition);
}
#endif // SYCL_DEVICE_ONLY
#define SYCL_PSTORE(alignment) \
template <typename packet_type> \
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE void pstore##alignment( \
const Eigen::TensorSycl::internal::RangeAccess< \
cl::sycl::access::mode::read_write, \
typename unpacket_traits<packet_type>::type>& to, \
const packet_type& from) { \
pstore##alignment(to.get_pointer(), from); \
}
// global space
SYCL_PSTORE()
SYCL_PSTORE(u)
#undef SYCL_PSTORE
template <typename scalar, typename packet_type, int Alignment>
EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE void pstoret(
Eigen::TensorSycl::internal::RangeAccess<
cl::sycl::access::mode::read_write,
typename unpacket_traits<packet_type>::type>
to,
const packet_type& from) {
pstoret<scalar, packet_type, Alignment>(to.get_pointer(), from);
}
} // end namespace internal
} // end namespace Eigen
#endif // EIGEN_PACKET_MATH_SYCL_H
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