* Copyright (c) 2025 Huawei Technologies Co., Ltd.
* This program is free software, you can redistribute it and/or modify it under the terms and conditions of
* CANN Open Software License Agreement Version 2.0 (the "License").
* Please refer to the License for details. You may not use this file except in compliance with the License.
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
* See LICENSE in the root of the software repository for the full text of the License.
*/
#include "sub_kernel.h"
#include <cmath>
#include <memory>
#include "framework/common/debug/log.h"
#include "common/math/ge_math_util.h"
#include "framework/common/op/ge_op_utils.h"
#include "common/b_cast/b_cast.h"
#include "graph/utils/type_utils.h"
#include "host_kernels/kernel_factory.h"
namespace ge {
namespace {
const size_t kSubFirstInput = 0;
const size_t kSubSecondInput = 1;
const size_t kSubFirstOutput = 0;
const size_t kSubOutputSize = 1;
const size_t kSubInputSize = 2;
template <typename T>
Status OverflowCheck(T const &x, T const &y, DataType &data_type) {
switch (data_type) {
case DT_INT8:
FMK_INT8_SUBCHECK(x, y)
break;
case DT_INT16:
FMK_INT16_SUBCHECK(x, y)
break;
case DT_INT32:
FMK_INT32_SUBCHECK(x, y)
break;
case DT_INT64:
FMK_INT64_SUBCHECK(x, y)
break;
case DT_UINT8:
FMK_UINT8_SUBCHECK(x, y)
break;
case DT_UINT16:
FMK_UINT16_SUBCHECK(x, y)
break;
case DT_UINT32:
FMK_UINT32_SUBCHECK(x, y)
break;
case DT_UINT64:
FMK_UINT64_SUBCHECK(x, y)
break;
case DT_FLOAT16:
FMK_FP16_SUBCHECK(x, y)
break;
case DT_FLOAT:
FMK_FLOAT_SUBCHECK(x, y)
break;
case DT_DOUBLE:
FMK_DOUBLE_SUBCHECK(x, y)
break;
default:
break;
}
return SUCCESS;
}
#define DEFINE_FUNC_WITH_STATUS_BY_TYPE(TYPE) \
std::function<TYPE(TYPE const &, TYPE const &, DataType &, Status &)> func_##TYPE = \
[](TYPE const &x, TYPE const &y, DataType &type, Status &ret) -> TYPE { \
ret = OverflowCheck<TYPE>(x, y, type); \
if (ret != SUCCESS) { \
GELOGE(PARAM_INVALID, "Result of sub overflows."); \
return static_cast<TYPE>(0); \
} \
return static_cast<TYPE>(x) - static_cast<TYPE>(y); \
}
#define SET_BCAST_COMPUTE_CASE(DTYPE, TYPE) \
case DTYPE: \
ret = bcast.BCastComputeCheck(input, y_data_##TYPE##_, func_##TYPE); \
break
#define SET_OUTPUT(DTYPE, TYPE) \
case DTYPE: \
(void)output_ptr->SetData(reinterpret_cast<uint8_t *>(y_data_##TYPE##_.data()), y_data_##TYPE##_.size() * length); \
break
DEFINE_FUNC_WITH_STATUS_BY_TYPE(int8_t);
DEFINE_FUNC_WITH_STATUS_BY_TYPE(int16_t);
DEFINE_FUNC_WITH_STATUS_BY_TYPE(int32_t);
DEFINE_FUNC_WITH_STATUS_BY_TYPE(int64_t);
DEFINE_FUNC_WITH_STATUS_BY_TYPE(uint8_t);
DEFINE_FUNC_WITH_STATUS_BY_TYPE(uint16_t);
DEFINE_FUNC_WITH_STATUS_BY_TYPE(uint32_t);
DEFINE_FUNC_WITH_STATUS_BY_TYPE(uint64_t);
DEFINE_FUNC_WITH_STATUS_BY_TYPE(fp16_t);
DEFINE_FUNC_WITH_STATUS_BY_TYPE(float);
DEFINE_FUNC_WITH_STATUS_BY_TYPE(double);
}
Status SubKernel::Compute(const ge::OpDescPtr op_desc_ptr, const std::vector<ge::ConstGeTensorPtr> &input,
std::vector<ge::GeTensorPtr> &v_output) {
GE_CHECK_NOTNULL(op_desc_ptr);
if ((input.size() != kSubInputSize) || (op_desc_ptr->GetOutputsSize() != kSubOutputSize)) {
GELOGW("The number of input for sub must be %zu.", kSubInputSize);
return NOT_CHANGED;
}
GE_CHECK_NOTNULL(input[kSubFirstInput]);
GE_CHECK_NOTNULL(input[kSubSecondInput]);
ConstGeTensorPtr weight0 = input[kSubFirstInput];
ConstGeTensorPtr weight1 = input[kSubSecondInput];
Status ret;
DataType data_type = input[kSubFirstInput]->GetTensorDesc().GetDataType();
BCast bcast;
switch (data_type) {
SET_BCAST_COMPUTE_CASE(DT_INT8, int8_t);
SET_BCAST_COMPUTE_CASE(DT_INT16, int16_t);
SET_BCAST_COMPUTE_CASE(DT_INT32, int32_t);
SET_BCAST_COMPUTE_CASE(DT_INT64, int64_t);
SET_BCAST_COMPUTE_CASE(DT_UINT8, uint8_t);
SET_BCAST_COMPUTE_CASE(DT_UINT16, uint16_t);
SET_BCAST_COMPUTE_CASE(DT_UINT32, uint32_t);
SET_BCAST_COMPUTE_CASE(DT_UINT64, uint64_t);
SET_BCAST_COMPUTE_CASE(DT_FLOAT16, fp16_t);
SET_BCAST_COMPUTE_CASE(DT_FLOAT, float);
SET_BCAST_COMPUTE_CASE(DT_DOUBLE, double);
default:
GELOGI("Sub kernel data type %s is not supported.", TypeUtils::DataTypeToSerialString(data_type).c_str());
ret = NOT_CHANGED;
break;
}
if (ret != SUCCESS) {
GELOGW("BCastCompute fail, data_type:%s, ret:%s", TypeUtils::DataTypeToSerialString(data_type).c_str(),
GET_ERRORNO_STR(ret).c_str());
return NOT_CHANGED;
}
uint32_t length = 1;
if (!TypeUtils::GetDataTypeLength(data_type, length)) {
GELOGW("Can't GetDataTypeLength of data_type: %s", TypeUtils::DataTypeToSerialString(data_type).c_str());
return NOT_CHANGED;
}
auto output_tensor_desc = op_desc_ptr->GetOutputDesc(kSubFirstOutput);
GeTensorPtr output_ptr = MakeShared<GeTensor>(output_tensor_desc);
if (output_ptr == nullptr) {
GELOGW("make_shared ge::GeTensor failed, node name %s.", op_desc_ptr->GetName().c_str());
return NOT_CHANGED;
}
output_ptr->MutableTensorDesc().SetShape(GeShape(bcast.GetOutputShape()));
switch (data_type) {
SET_OUTPUT(DT_INT8, int8_t);
SET_OUTPUT(DT_INT16, int16_t);
SET_OUTPUT(DT_INT32, int32_t);
SET_OUTPUT(DT_INT64, int64_t);
SET_OUTPUT(DT_UINT8, uint8_t);
SET_OUTPUT(DT_UINT16, uint16_t);
SET_OUTPUT(DT_UINT32, uint32_t);
SET_OUTPUT(DT_UINT64, uint64_t);
SET_OUTPUT(DT_FLOAT16, fp16_t);
SET_OUTPUT(DT_FLOAT, float);
SET_OUTPUT(DT_DOUBLE, double);
default:
break;
}
output_ptr->MutableTensorDesc().SetDataType(data_type);
v_output.push_back(output_ptr);
return SUCCESS;
}
REGISTER_COMPUTE_NODE_KERNEL(SUB, SubKernel);
}