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

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// Copyright (c) 2023 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 "glog/logging.h"
#include "paddle/phi/backends/xpu/enforce_xpu.h"
#include "paddle/phi/core/kernel_registry.h"
#include "paddle/phi/kernels/funcs/norm_utils.h"
namespace phi {
namespace fusion {
template <typename T, typename Context>
void BNActXPUKernel(const Context& dev_ctx,
const DenseTensor& x,
const DenseTensor& mean,
const DenseTensor& variance,
const DenseTensor& scale,
const DenseTensor& bias,
float momentum,
float epsilon,
const std::string& data_layout_str,
int act_type,
DenseTensor* y) {
using XPUType = typename XPUTypeTrait<T>::Type;
const auto data_layout = StringToDataLayout(data_layout_str);
PADDLE_ENFORCE_EQ(data_layout_str == "NCHW" || data_layout_str == "NHWC",
true,
common::errors::InvalidArgument(
"The 'data_layout' attribute must be NCHW or NHWC. "
"But received 'data_layout' is [%s].",
data_layout_str));
const auto& x_dims = x.dims();
PADDLE_ENFORCE_EQ(
x_dims.size() >= 2 && x_dims.size() <= 5,
true,
common::errors::InvalidArgument(
"The size of input's dimensions should be between 2 and 5"
"But received: the size of input's dimensions is [%d]",
x_dims.size()));
int N = -1, C = -1, H = -1, W = -1, D = -1;
funcs::ExtractNCWHD(x_dims, data_layout, &N, &C, &H, &W, &D);
N = (N == 0) ? 1 : N;
C = (C == 0) ? 1 : C;
H = (H == 0) ? 1 : H;
W = (W == 0) ? 1 : W;
D = (D == 0) ? 1 : D;
W = W * D;
const auto* x_data = reinterpret_cast<const XPUType*>(x.data<T>());
const auto* scale_data = scale.data<float>();
const auto* bias_data = bias.data<float>();
// alloc memory
auto* y_data = reinterpret_cast<XPUType*>(dev_ctx.template Alloc<T>(y));
PADDLE_ENFORCE_LE(
x_dims.size(),
5,
common::errors::InvalidArgument(
"The size of input X's dimensions should be less than 6."
"But received: the size of input X's dimensions is [%d]",
x_dims.size()));
bool is_nchw = data_layout_str == "NCHW";
const auto* mean_data = mean.data<float>();
const auto* variance_data = variance.data<float>();
#ifndef PADDLE_WITH_XPU_PLUGIN
LOG(WARNING) << "Add -DWITH_XPU_PLUGIN=ON to build "
"xpu::plugin::bn_act_fusion_infer(), which will lead high "
"performance.";
xpu::ctx_guard RAII_GUARD(dev_ctx.x_context());
XPUType* temp_data = RAII_GUARD.alloc_l3_or_gm<XPUType>(x.numel());
int r = xpu::batch_norm_infer<XPUType>(dev_ctx.x_context(),
x_data,
temp_data,
N,
C,
H,
W,
epsilon,
scale_data,
bias_data,
mean_data,
variance_data,
is_nchw);
PADDLE_ENFORCE_XDNN_SUCCESS(r, "batch_norm_infer");
r = xpu::relu(
dev_ctx.x_context(), temp_data, y_data, x.numel(), nullptr, nullptr);
PADDLE_ENFORCE_XDNN_SUCCESS(r, "relu");
#else
int r = xpu::plugin::bn_act_fusion_infer<XPUType>(dev_ctx.x_context(),
x_data,
y_data,
N,
C,
H,
W,
epsilon,
scale_data,
bias_data,
mean_data,
variance_data,
is_nchw,
act_type);
PADDLE_ENFORCE_XDNN_SUCCESS(r, "bn_act_fusion_infer");
#endif
}
} // namespace fusion
} // namespace phi
PD_REGISTER_KERNEL(bn_act_xpu,
XPU,
ALL_LAYOUT,
phi::fusion::BNActXPUKernel,
float,
phi::float16) {}