cutlass/include/cute/arch/copy.hpp
Pradeep Ramani c008b4aea8
CUTLASS 3.3.0 (#1167)
* Release 3.3.0

Adds support for mixed precision GEMMs On Hopper and Ampere
Adds support for < 16B aligned GEMMs on Hopper
Enhancements to EVT
Enhancements to Python interface
Enhancements to Sub-byte type handling in CuTe
Several other bug-fixes and performance improvements.

* minor doc update
2023-11-02 11:09:05 -04:00

82 lines
2.6 KiB
C++

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#pragma once
#include <cute/config.hpp>
#include <cute/arch/util.hpp>
#include <cute/numeric/uint128.hpp>
namespace cute
{
//
// Direct Copy for any type
//
template <class S, class D = S>
struct UniversalCopy
{
using SRegisters = S[1];
using DRegisters = D[1];
template<class S_, class D_>
CUTE_HOST_DEVICE static constexpr void
copy(S_ const& src,
D_ & dst)
{
dst = static_cast<D>(static_cast<S>(src));
}
// Accept mutable temporaries
template<class S_, class D_>
CUTE_HOST_DEVICE static constexpr void
copy(S_ const& src,
D_ && dst)
{
copy(src, dst);
}
};
//
// Placeholder for the copy algorithm's default, auto-vectorizing behavior
//
struct DefaultCopy
{
using SRegisters = uint128_t[1];
using DRegisters = uint128_t[1];
};
using AutoVectorizingCopy = DefaultCopy;
} // end namespace cute