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paddlepaddle--paddle/paddle/phi/kernels/xpu/interpolate_kernel.cc
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2026-07-13 12:40:42 +08:00

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// 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.
#include "paddle/phi/kernels/interpolate_kernel.h"
#include "paddle/common/layout.h"
#include "paddle/phi/backends/xpu/enforce_xpu.h"
#include "paddle/phi/backends/xpu/xpu_context.h"
#include "paddle/phi/core/kernel_registry.h"
#include "paddle/phi/kernels/funcs/interpolate_function.h"
namespace phi {
template <typename T, typename Context>
void InterpolateKernel(
const Context& dev_ctx,
const DenseTensor& x,
const optional<DenseTensor>& out_size,
const optional<std::vector<const DenseTensor*>>& size_tensor,
const optional<DenseTensor>& scale_tensor,
const std::string& data_layout_str,
int out_d,
int out_h,
int out_w,
const std::vector<double>& scale,
const std::string& interp_method,
bool align_corners,
int align_mode,
DenseTensor* output) {
if (x.numel() == 0) {
dev_ctx.template Alloc<T>(output);
return;
}
using XPUType = typename XPUTypeTrait<T>::Type;
const DataLayout data_layout = StringToDataLayout(data_layout_str);
int64_t n, c, in_d, in_h, in_w;
funcs::ExtractNCDWH(x.dims(), data_layout, &n, &c, &in_d, &in_h, &in_w);
double scale_h = -1;
double scale_w = -1;
if (size_tensor && size_tensor->size() > 0) {
// have size tensor
auto new_size = funcs::get_new_shape(size_tensor.get());
out_h = new_size[0];
out_w = new_size[1];
} else {
if (scale_tensor) {
auto scale_data =
funcs::get_new_data_from_tensor<float>(scale_tensor.get_ptr());
if (scale_data.size() > 1) {
scale_h = scale_data[0];
scale_w = scale_data[1];
} else {
scale_h = scale_data[0];
scale_w = scale_data[0];
}
PADDLE_ENFORCE_EQ(
scale_w > 0,
true,
errors::InvalidArgument(
"The scale_w in input 'Scale' Tensor of Operator(interpolate) "
"should be greater than 0, but received value is %d.",
scale_w));
PADDLE_ENFORCE_EQ(
scale_h > 0,
true,
errors::InvalidArgument(
"The scale_h in input 'Scale' Tensor of Operator(interpolate) "
"should be greater than 0, but received value is %d.",
scale_h));
} else {
if (scale.size() > 1) {
scale_h = scale[0];
scale_w = scale[1];
PADDLE_ENFORCE_EQ(
scale_w > 0,
true,
errors::InvalidArgument(
"The scale_w in Attr(scale) of Operator(interpolate) "
"should be greater than 0, but received value is %d.",
scale_w));
PADDLE_ENFORCE_EQ(
scale_h > 0,
true,
errors::InvalidArgument(
"The scale_h in Attr(scale) of Operator(interpolate) "
"should be greater than 0, but received value is %d.",
scale_h));
}
}
if (scale_h > 0. && scale_w > 0.) {
out_h = static_cast<int>(in_h * scale_h);
out_w = static_cast<int>(in_w * scale_w);
}
if (out_size) {
auto out_size_data =
funcs::get_new_data_from_tensor<int>(out_size.get_ptr());
out_h = out_size_data[0];
out_w = out_size_data[1];
}
}
PADDLE_ENFORCE_GT(
out_h,
0,
errors::InvalidArgument("out_h in Attr(out_shape) of Op(interpolate) "
"should be greater than 0."));
PADDLE_ENFORCE_GT(
out_w,
0,
errors::InvalidArgument("out_w in Attr(out_shape) of Op(interpolate) "
"should be greater than 0."));
DDim dim_out;
if (data_layout == DataLayout::NCHW) {
dim_out = {n, c, out_h, out_w};
} else {
dim_out = {n, out_h, out_w, c};
}
output->Resize(dim_out);
dev_ctx.template Alloc<T>(output);
if (in_h == out_h && in_w == out_w) {
Copy<Context>(dev_ctx, x, dev_ctx.GetPlace(), false, output);
return;
}
float ratio_h =
funcs::AreaPixelComputeScale<float>(in_h, out_h, align_corners, scale_h);
float ratio_w =
funcs::AreaPixelComputeScale<float>(in_w, out_w, align_corners, scale_w);
if ("bicubic" == interp_method) {
if constexpr (std::is_floating_point_v<T> ||
std::is_same_v<T, phi::dtype::float16>) {
int trans_mode = (align_corners) ? (0) : ((align_mode == 0) ? (1) : (2));
int r = xpu::upsample_bicubic2d<XPUType>(
dev_ctx.x_context(),
reinterpret_cast<const XPUType*>(x.data<T>()),
reinterpret_cast<XPUType*>(output->data<T>()),
static_cast<int64_t>(n),
static_cast<int64_t>(c),
static_cast<int64_t>(in_h),
static_cast<int64_t>(in_w),
static_cast<int64_t>(out_h),
static_cast<int64_t>(out_w),
static_cast<int64_t>(trans_mode),
(data_layout == DataLayout::NCHW),
ratio_h,
ratio_w);
PADDLE_ENFORCE_XDNN_SUCCESS(r, "upsample_bicubic2d");
} else {
PADDLE_THROW(common::errors::Unimplemented(
"XPU Bicubic interpolation only supports float, float16 and "
"bfloat16, "
"but received other types(bfloat16 is not bound yet)"));
}
} else {
bool nearest = "nearest" == interp_method;
int trans_mode = (align_corners) ? (0) : ((align_mode == 0) ? (1) : (2));
if (nearest) {
trans_mode = (align_corners == true) ? 0 : 2;
PADDLE_ENFORCE_EQ(
(data_layout == DataLayout::NCHW),
true,
errors::InvalidArgument("XPU nearest is only support NCHW"));
}
int r = xpu::interpolate2d<XPUType>(
dev_ctx.x_context(),
reinterpret_cast<const XPUType*>(x.data<T>()),
reinterpret_cast<XPUType*>(output->data<T>()),
n,
c,
in_h,
in_w,
out_h,
out_w,
nearest,
trans_mode,
(data_layout == DataLayout::NCHW));
PADDLE_ENFORCE_XDNN_SUCCESS(r, "interpolate2d");
}
}
template <typename T, typename Context>
void BilinearInterpKernel(
const Context& dev_ctx,
const DenseTensor& x,
const optional<DenseTensor>& out_size,
const optional<std::vector<const DenseTensor*>>& size_tensor,
const optional<DenseTensor>& scale_tensor,
const std::string& data_layout,
int out_d,
int out_h,
int out_w,
const std::vector<double>& scale,
const std::string& interp_method,
bool align_corners,
int align_mode,
DenseTensor* output) {
InterpolateKernel<T, Context>(dev_ctx,
x,
out_size,
size_tensor,
scale_tensor,
data_layout,
out_d,
out_h,
out_w,
scale,
interp_method,
align_corners,
align_mode,
output);
}
template <typename T, typename Context>
void NearestInterpKernel(
const Context& dev_ctx,
const DenseTensor& x,
const optional<DenseTensor>& out_size,
const optional<std::vector<const DenseTensor*>>& size_tensor,
const optional<DenseTensor>& scale_tensor,
const std::string& data_layout,
int out_d,
int out_h,
int out_w,
const std::vector<double>& scale,
const std::string& interp_method,
bool align_corners,
int align_mode,
DenseTensor* output) {
InterpolateKernel<T, Context>(dev_ctx,
x,
out_size,
size_tensor,
scale_tensor,
data_layout,
out_d,
out_h,
out_w,
scale,
interp_method,
align_corners,
align_mode,
output);
}
template <typename T, typename Context>
void BicubicInterpKernel(
const Context& dev_ctx,
const DenseTensor& x,
const paddle::optional<DenseTensor>& out_size,
const paddle::optional<std::vector<const DenseTensor*>>& size_tensor,
const paddle::optional<DenseTensor>& scale_tensor,
const std::string& data_layout,
int out_d,
int out_h,
int out_w,
const std::vector<double>& scale,
const std::string& interp_method,
bool align_corners,
int align_mode,
DenseTensor* output) {
InterpolateKernel<T, Context>(dev_ctx,
x,
out_size,
size_tensor,
scale_tensor,
data_layout,
out_d,
out_h,
out_w,
scale,
interp_method,
align_corners,
align_mode,
output);
}
} // namespace phi
PD_REGISTER_KERNEL(bilinear_interp,
XPU,
ALL_LAYOUT,
phi::BilinearInterpKernel,
phi::float16,
float) {
kernel->InputAt(1).SetBackend(phi::Backend::ALL_BACKEND);
kernel->InputAt(2).SetBackend(phi::Backend::ALL_BACKEND);
kernel->InputAt(3).SetBackend(phi::Backend::ALL_BACKEND);
}
PD_REGISTER_KERNEL(nearest_interp,
XPU,
ALL_LAYOUT,
phi::NearestInterpKernel,
phi::float16,
float,
int64_t) {
kernel->InputAt(1).SetBackend(phi::Backend::ALL_BACKEND);
kernel->InputAt(2).SetBackend(phi::Backend::ALL_BACKEND);
kernel->InputAt(3).SetBackend(phi::Backend::ALL_BACKEND);
}
PD_REGISTER_KERNEL(bicubic_interp,
XPU,
ALL_LAYOUT,
phi::BicubicInterpKernel,
float,
phi::float16) {
kernel->InputAt(1).SetBackend(phi::Backend::ALL_BACKEND);
kernel->InputAt(2).SetBackend(phi::Backend::ALL_BACKEND);
kernel->InputAt(3).SetBackend(phi::Backend::ALL_BACKEND);
}