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paddlepaddle--paddle/paddle/phi/kernels/xpu/increment_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 "paddle/phi/kernels/increment_kernel.h"
#include "paddle/phi/backends/xpu/enforce_xpu.h"
#include "paddle/phi/common/memory_utils.h"
#include "paddle/phi/core/kernel_registry.h"
namespace phi {
template <typename T, typename Context>
void IncrementKernel(const Context& dev_ctx,
const DenseTensor& x,
float value,
DenseTensor* out) {
if (x.numel() == 0) {
dev_ctx.template Alloc<T>(out);
return;
}
// check input
PADDLE_ENFORCE_EQ(x.numel(),
1,
common::errors::InvalidArgument(
"input tensor x's numel should be EXACTLY 1."));
const T* x_data = x.data<T>();
T* out_data = dev_ctx.template Alloc<T>(out);
// allocation for "value" on xpu
T value_as_t = static_cast<T>(value);
xpu::ctx_guard RAII_GUARD(dev_ctx.x_context());
T* value_xpu = RAII_GUARD.alloc_l3_or_gm<T>(1);
memory_utils::Copy(dev_ctx.GetPlace(),
value_xpu,
CPUPlace(),
reinterpret_cast<void*>(&value_as_t),
sizeof(T));
// int add(Context* xpu_ctx, const T* x, const T* y, T* z, int64_t len);
int ret = xpu::add(dev_ctx.x_context(), x_data, value_xpu, out_data, 1);
PADDLE_ENFORCE_XDNN_SUCCESS(ret, "add");
}
} // namespace phi
PD_REGISTER_KERNEL(
increment, XPU, ALL_LAYOUT, phi::IncrementKernel, float, int, int64_t) {}