convert.h
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#pragma once
#include <cutlass/fragment.h>
namespace cutlass {
template <typename InputFragment_, typename OutputFragment_>
struct Convert {};
template <typename InputScalar_, typename OutputScalar_, int kScalars_>
struct Convert<Fragment<InputScalar_, kScalars_>, Fragment<OutputScalar_, kScalars_> > {
typedef Fragment<InputScalar_, kScalars_> InputFragment;
typedef Fragment<OutputScalar_, kScalars_> OutputFragment;
CUTLASS_DEVICE Convert() {}
CUTLASS_DEVICE void transform(InputFragment const& src, OutputFragment& dst) {
transform(src, 0, dst);
}
template <typename Fragment_>
CUTLASS_DEVICE void transform(Fragment_ const& src, int offset, OutputFragment& dst) {
for (int i = 0; i < kScalars_; ++i) {
dst[i] = static_cast<OutputScalar_>(src[i + offset]);
}
}
};
template <typename Fragment_>
struct Copy {
typedef Fragment_ InputFragment;
typedef Fragment_ OutputFragment;
CUTLASS_DEVICE Copy() {}
CUTLASS_DEVICE void transform(Fragment_ const& src, Fragment_& dst) { transform(src, 0, dst); }
template <typename InputFragment_>
CUTLASS_DEVICE void transform(InputFragment_ const& src, int offset, Fragment_& dst) {
if (sizeof(typename Fragment_::Element) == 8) {
uint64_t const* src_ptr = reinterpret_cast<uint64_t const*>(&src[offset]);
uint64_t* dst_ptr = reinterpret_cast<uint64_t*>(&dst[0]);
for (int i = 0; i < sizeof(Fragment_) / 8; ++i) {
dst_ptr[i] = src_ptr[i];
}
} else {
uint32_t const* src_ptr = reinterpret_cast<uint32_t const*>(&src[offset]);
uint32_t* dst_ptr = reinterpret_cast<uint32_t*>(&dst[0]);
for (int i = 0; i < sizeof(Fragment_) / 4; ++i) {
dst_ptr[i] = src_ptr[i];
}
}
}
};
} // namespace cutlass
cutlass
Definition: convert.h:33
cutlass::Convert< Fragment< InputScalar_, kScalars_ >, Fragment< OutputScalar_, kScalars_ > >::OutputFragment
Fragment< OutputScalar_, kScalars_ > OutputFragment
The output fragment.
Definition: convert.h:47
cutlass::Copy
Definition: convert.h:69
cutlass::Copy::transform
CUTLASS_DEVICE void transform(Fragment_ const &src, Fragment_ &dst)
Transform a fragment.
Definition: convert.h:79
cutlass::Fragment
A template defining Fragment Concept.
Definition: fragment.h:99
cutlass::Copy::transform
CUTLASS_DEVICE void transform(InputFragment_ const &src, int offset, Fragment_ &dst)
Transform a fragment.
Definition: convert.h:83
cutlass::Convert< Fragment< InputScalar_, kScalars_ >, Fragment< OutputScalar_, kScalars_ > >::Convert
CUTLASS_DEVICE Convert()
Ctor.
Definition: convert.h:50
cutlass::Copy::InputFragment
Fragment_ InputFragment
The input fragment.
Definition: convert.h:71
cutlass::Convert< Fragment< InputScalar_, kScalars_ >, Fragment< OutputScalar_, kScalars_ > >::transform
CUTLASS_DEVICE void transform(InputFragment const &src, OutputFragment &dst)
Transform a fragment.
Definition: convert.h:53
cutlass::Copy::Copy
CUTLASS_DEVICE Copy()
Ctor.
Definition: convert.h:76
cutlass::Copy::OutputFragment
Fragment_ OutputFragment
The output fragment.
Definition: convert.h:73
cutlass::Convert< Fragment< InputScalar_, kScalars_ >, Fragment< OutputScalar_, kScalars_ > >::InputFragment
Fragment< InputScalar_, kScalars_ > InputFragment
The input fragment.
Definition: convert.h:45
cutlass::Convert< Fragment< InputScalar_, kScalars_ >, Fragment< OutputScalar_, kScalars_ > >::transform
CUTLASS_DEVICE void transform(Fragment_ const &src, int offset, OutputFragment &dst)
Transform a fragment.
Definition: convert.h:59
cutlass::Convert
Definition: convert.h:38
fragment.h
Defines Fragment, a statically-sized array for storing parts of matrices within a thread&#39;s registers...