wehub-resource-sync
129 lines
3.9 KiB
C++
129 lines
3.9 KiB
C++
// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#pragma once
|
|
|
|
#include "paddle/phi/backends/cpu/cpu_context.h"
|
|
|
|
#include "paddle/phi/common/transform.h"
|
|
|
|
namespace phi {
|
|
|
|
template <typename InT, typename OutT>
|
|
struct CastOpTransformFunctor {
|
|
HOSTDEVICE OutT operator()(InT in) const { return static_cast<OutT>(in); }
|
|
};
|
|
|
|
template <>
|
|
struct CastOpTransformFunctor<::phi::dtype::float8_e5m2, ::phi::complex64> {
|
|
HOSTDEVICE ::phi::complex64 operator()(::phi::dtype::float8_e5m2 in) const {
|
|
return ::phi::complex64(static_cast<float>(in));
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct CastOpTransformFunctor<::phi::dtype::float8_e5m2, ::phi::complex128> {
|
|
HOSTDEVICE ::phi::complex128 operator()(::phi::dtype::float8_e5m2 in) const {
|
|
return ::phi::complex128(static_cast<double>(in));
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct CastOpTransformFunctor<::phi::dtype::float8_e4m3fn, ::phi::complex64> {
|
|
HOSTDEVICE ::phi::complex64 operator()(::phi::dtype::float8_e4m3fn in) const {
|
|
return ::phi::complex64(static_cast<float>(in));
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct CastOpTransformFunctor<::phi::dtype::float8_e4m3fn, ::phi::complex128> {
|
|
HOSTDEVICE ::phi::complex128 operator()(
|
|
::phi::dtype::float8_e4m3fn in) const {
|
|
return ::phi::complex128(static_cast<double>(in));
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct CastOpTransformFunctor<::phi::dtype::bfloat16, ::phi::complex64> {
|
|
HOSTDEVICE ::phi::complex64 operator()(::phi::dtype::bfloat16 in) const {
|
|
return ::phi::complex64(static_cast<float>(in));
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct CastOpTransformFunctor<::phi::dtype::bfloat16, ::phi::complex128> {
|
|
HOSTDEVICE ::phi::complex128 operator()(::phi::dtype::bfloat16 in) const {
|
|
return ::phi::complex128(static_cast<double>(in));
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct CastOpTransformFunctor<::phi::dtype::float16, ::phi::complex64> {
|
|
HOSTDEVICE ::phi::complex64 operator()(::phi::dtype::float16 in) const {
|
|
return ::phi::complex64(static_cast<float>(in));
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct CastOpTransformFunctor<::phi::dtype::float16, ::phi::complex128> {
|
|
HOSTDEVICE ::phi::complex128 operator()(::phi::dtype::float16 in) const {
|
|
return ::phi::complex128(static_cast<double>(in));
|
|
}
|
|
};
|
|
|
|
template <typename InT, typename OutT>
|
|
void CastKernelImpl(const CPUContext& dev_ctx,
|
|
const DenseTensor& x,
|
|
DataType out_dtype,
|
|
DenseTensor* out) {
|
|
auto* in_begin = x.data<InT>();
|
|
auto numel = x.numel();
|
|
auto* in_end = in_begin + numel;
|
|
|
|
auto* out_begin = dev_ctx.Alloc<OutT>(out);
|
|
out->set_type(out_dtype);
|
|
|
|
phi::Transform<CPUContext> trans;
|
|
trans(dev_ctx,
|
|
in_begin,
|
|
in_end,
|
|
out_begin,
|
|
CastOpTransformFunctor<InT, OutT>());
|
|
}
|
|
|
|
template <typename InT, typename OutT>
|
|
void CastInplaceKernelImpl(const CPUContext& dev_ctx,
|
|
const DenseTensor& x,
|
|
DataType out_dtype,
|
|
DenseTensor* out) {
|
|
auto numel = x.numel();
|
|
auto* in_begin = new InT[numel];
|
|
auto* in_end = in_begin + numel;
|
|
auto* data_origin = x.data<InT>();
|
|
memcpy(in_begin, data_origin, sizeof(InT) * numel);
|
|
|
|
auto* out_begin = dev_ctx.Alloc<OutT>(out);
|
|
out->set_type(out_dtype);
|
|
|
|
phi::Transform<CPUContext> trans;
|
|
trans(dev_ctx,
|
|
in_begin,
|
|
in_end,
|
|
out_begin,
|
|
CastOpTransformFunctor<InT, OutT>());
|
|
delete[] in_begin;
|
|
}
|
|
|
|
} // namespace phi
|