devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

Enable vectorization with half-packets

Browse Source
This commit is contained in:
Gael Guennebaud
2015-08-07 20:05:31 +02:00
parent 6245591349
commit febcce34f1
5 changed files with 151 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
Eigen/src/Core/util/XprHelper.h
View File

@@ -126,6 +126,28 @@ template<typename T> struct unpacket_traits
};
};
template<int Size, typename PacketType,
bool Stop = (Size%unpacket_traits<PacketType>::size)==0 || is_same<PacketType,typename unpacket_traits<PacketType>::half>::value>
struct find_best_packet_helper;
template< int Size, typename PacketType>
struct find_best_packet_helper<Size,PacketType,true>
{
typedef PacketType type;
};
template<int Size, typename PacketType>
struct find_best_packet_helper<Size,PacketType,false>
{
typedef typename find_best_packet_helper<Size,typename unpacket_traits<PacketType>::half>::type type;
};
template<typename T, int Size>
struct find_best_packet
{
typedef typename find_best_packet_helper<Size,typename packet_traits<T>::type>::type type;
};
#if EIGEN_MAX_STATIC_ALIGN_BYTES>0
template<int ArrayBytes, int AlignmentBytes,
bool Match = bool((ArrayBytes%AlignmentBytes)==0),