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// Copyright (c) 2025 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.
#if defined(PADDLE_WITH_CUDA) || defined(PADDLE_WITH_HIP)
#include "paddle/phi/kernels/bitwise_kernel.h"
#include "paddle/common/flags.h"
#include "paddle/phi/backends/gpu/gpu_context.h"
#include "paddle/phi/core/kernel_registry.h"
#include "paddle/phi/kernels/funcs/bitwise_functors.h"
#include "paddle/phi/kernels/stride/elementwise_stride_base.cu.h"
#if defined(__NVCC__) || defined(__HIPCC__) || defined(__xpu__)
#include "paddle/phi/kernels/funcs/dims_simplifier.h"
#endif
COMMON_DECLARE_bool(use_stride_kernel);
COMMON_DECLARE_bool(use_stride_compute_kernel);
COMMON_DECLARE_bool(force_stride_compute_contig_out);
namespace phi {
#define DEFINE_CUDA_BINARY_ELEMENTWISE_STRIDE_OP(name) \
template <typename T, typename Context> \
void name##StrideKernel(const Context &dev_ctx, \
const DenseTensor &x, \
const DenseTensor &y, \
DenseTensor *out) { \
if (!FLAGS_use_stride_kernel) { \
PADDLE_THROW(common::errors::Fatal( \
"FLAGS_use_stride_kernel is closed. Strided kernel " \
"be called, something wrong has happened!")); \
} \
DenseTensor x_; \
DenseTensor y_; \
bool zero_size = false; \
if (x.numel() == 0 || y.numel() == 0) { \
zero_size = true; \
} \
if (!FLAGS_use_stride_compute_kernel) { \
if (!x.meta().is_contiguous()) { \
x_ = Tensor2Contiguous<Context>(dev_ctx, x); \
} else { \
x_ = x; \
} \
if (!y.meta().is_contiguous()) { \
y_ = Tensor2Contiguous<Context>(dev_ctx, y); \
} else { \
y_ = y; \
} \
} else { \
x_ = x; \
y_ = y; \
} \
if (x_.meta().is_contiguous() && y_.meta().is_contiguous()) { \
auto meta = out->meta(); \
meta.strides = meta.calc_strides(out->dims()); \
out->set_meta(meta); \
phi::name##Kernel<T, Context>(dev_ctx, x_, y_, out); \
return; \
} \
if (!FLAGS_use_stride_compute_kernel || zero_size) { \
PADDLE_THROW( \
common::errors::Fatal("FLAGS_use_stride_compute_kernel is closed. " \
"Kernel using DenseTensorIterator " \
"be called, something wrong has happened!")); \
} \
if (FLAGS_force_stride_compute_contig_out) { \
auto meta = out->meta(); \
meta.strides = meta.calc_strides(out->dims()); \
out->set_meta(meta); \
} \
LaunchBinaryElementwiseStrideKernel<T, Context>( \
dev_ctx, x_, y_, funcs::name##Functor<T>(), -1, out); \
}
DEFINE_CUDA_BINARY_ELEMENTWISE_STRIDE_OP(BitwiseAnd)
DEFINE_CUDA_BINARY_ELEMENTWISE_STRIDE_OP(BitwiseOr)
DEFINE_CUDA_BINARY_ELEMENTWISE_STRIDE_OP(BitwiseXor)
#define DEFINE_CUDA_BINARY_ELEMENTWISE_WITH_BOOL_STRIDE_OP(name) \
template <typename T, typename Context> \
void Bitwise##name##StrideKernel(const Context &dev_ctx, \
const DenseTensor &x, \
const DenseTensor &y, \
bool is_arithmetic, \
DenseTensor *out) { \
if (!FLAGS_use_stride_kernel) { \
PADDLE_THROW(common::errors::Fatal( \
"FLAGS_use_stride_kernel is closed. Strided kernel " \
"be called, something wrong has happened!")); \
} \
DenseTensor x_; \
DenseTensor y_; \
bool zero_size = false; \
if (x.numel() == 0 || y.numel() == 0) { \
zero_size = true; \
} \
if (!FLAGS_use_stride_compute_kernel || zero_size) { \
if (!x.meta().is_contiguous()) { \
x_ = Tensor2Contiguous<Context>(dev_ctx, x); \
} else { \
x_ = x; \
} \
if (!y.meta().is_contiguous()) { \
y_ = Tensor2Contiguous<Context>(dev_ctx, y); \
} else { \
y_ = y; \
} \
} else { \
x_ = x; \
y_ = y; \
} \
if (x_.meta().is_contiguous() && y_.meta().is_contiguous()) { \
auto meta = out->meta(); \
meta.strides = meta.calc_strides(out->dims()); \
out->set_meta(meta); \
phi::Bitwise##name##Kernel<T, Context>( \
dev_ctx, x_, y_, is_arithmetic, out); \
return; \
} \
if (!FLAGS_use_stride_compute_kernel) { \
PADDLE_THROW( \
common::errors::Fatal("FLAGS_use_stride_compute_kernel is closed. " \
"Kernel using DenseTensorIterator " \
"be called, something wrong has happened!")); \
} \
if (FLAGS_force_stride_compute_contig_out) { \
auto meta = out->meta(); \
meta.strides = meta.calc_strides(out->dims()); \
out->set_meta(meta); \
} \
if (is_arithmetic) { \
LaunchBinaryElementwiseStrideKernel<T, Context>( \
dev_ctx, \
x_, \
y_, \
funcs::Bitwise##name##ArithmeticFunctor<T>(), \
-1, \
out); \
} else { \
LaunchBinaryElementwiseStrideKernel<T, Context>( \
dev_ctx, x_, y_, funcs::Bitwise##name##LogicFunctor<T>(), -1, out); \
} \
}
#if defined(__NVCC__)
DEFINE_CUDA_BINARY_ELEMENTWISE_WITH_BOOL_STRIDE_OP(LeftShift)
DEFINE_CUDA_BINARY_ELEMENTWISE_WITH_BOOL_STRIDE_OP(RightShift)
#endif
#undef DEFINE_CUDA_BINARY_ELEMENTWISE_WITH_BOOL_STRIDE_OP
template <typename T, typename Context>
void BitwiseNotStrideKernel(const Context &dev_ctx,
const DenseTensor &x,
DenseTensor *out) {
if (!FLAGS_use_stride_kernel) {
PADDLE_THROW(common::errors::Fatal(
"FLAGS_use_stride_kernel is closed. Strided kernel "
"be called, something wrong has happened!"));
}
DenseTensor x_;
bool zero_size = false;
if (x.numel() == 0) {
zero_size = true;
}
if (!FLAGS_use_stride_compute_kernel || zero_size) {
if (!x.meta().is_contiguous()) {
x_ = Tensor2Contiguous<Context>(dev_ctx, x);
} else {
x_ = x;
}
} else {
x_ = x;
}
if (x_.meta().is_contiguous()) {
auto meta = out->meta();
meta.strides = meta.calc_strides(out->dims());
out->set_meta(meta);
phi::BitwiseNotKernel<T, Context>(dev_ctx, x_, out);
return;
}
if (!FLAGS_use_stride_compute_kernel) {
PADDLE_THROW(
common::errors::Fatal("FLAGS_use_stride_compute_kernel is closed. "
"Kernel using DenseTensorIterator "
"be called, something wrong has happened!"));
}
if (FLAGS_force_stride_compute_contig_out) {
auto meta = out->meta();
meta.strides = meta.calc_strides(out->dims());
out->set_meta(meta);
}
LaunchUnaryElementwiseStrideKernel<T, Context>(
dev_ctx, x_, funcs::BitwiseNotFunctor<T>(), out);
}
} // namespace phi
PD_REGISTER_KERNEL(bitwise_and,
GPU,
STRIDED,
phi::BitwiseAndStrideKernel,
bool,
uint8_t,
int8_t,
int16_t,
int,
int64_t) {}
PD_REGISTER_KERNEL(bitwise_or,
GPU,
STRIDED,
phi::BitwiseOrStrideKernel,
bool,
uint8_t,
int8_t,
int16_t,
int,
int64_t) {}
PD_REGISTER_KERNEL(bitwise_xor,
GPU,
STRIDED,
phi::BitwiseXorStrideKernel,
bool,
uint8_t,
int8_t,
int16_t,
int,
int64_t) {}
#if defined(__NVCC__)
PD_REGISTER_KERNEL(bitwise_left_shift,
GPU,
STRIDED,
phi::BitwiseLeftShiftStrideKernel,
uint8_t,
int8_t,
int16_t,
int,
int64_t) {}
PD_REGISTER_KERNEL(bitwise_right_shift,
GPU,
STRIDED,
phi::BitwiseRightShiftStrideKernel,
uint8_t,
int8_t,
int16_t,
int,
int64_t) {}
#endif
PD_REGISTER_KERNEL(bitwise_not,
GPU,
STRIDED,
phi::BitwiseNotStrideKernel,
bool,
uint8_t,
int8_t,
int16_t,
int,
int64_t) {}
#endif