aclnnInplaceGeTensor
aclnnInplaceFmodTensor
接口原型
每个算子有两段接口,必须先调用“aclnnXxxGetWorkspaceSize”接口获取入参并根据计算流程计算所需workspace大小,再调用“aclnnXxx”接口执行计算。两段式接口如下:
- **第一段接口:**aclnnStatus aclnnInplaceFmodTensorGetWorkspaceSize(const aclTensor *selfRef, const aclTensor *other, uint64_t *workspaceSize, aclOpExecutor **executor)
- **第二段接口:**aclnnStatus aclnnInplaceFmodTensor(void *workspace, uint64_t workspaceSize, aclOpExecutor *executor, aclrtStream stream)
功能描述
-
算子功能:返回张量selfRef与张量other相除的余数。
-
计算公式:
aclnnInplaceFmodTensorGetWorkspaceSize
-
接口定义:
aclnnStatus aclnnInplaceFmodTensorGetWorkspaceSize(const aclTensor *selfRef, const aclTensor *other, uint64_t *workspaceSize, aclOpExecutor **executor)
-
参数说明:
- selfRef:Device侧的aclTensor,输入/输出张量,数据类型支持DOUBLE、FLOAT16、FLOAT32、INT32、INT64、INT8、UNIT8,且数据类型与other需满足数据类型推导规则,shape需要与other满足broadcast关系,且broadcast后的shape需要与selfRef的shape一致。支持非连续的Tensor,数据格式支持ND。
- other:Host侧的aclTensor,数据类型支持DOUBLE、FLOAT16、FLOAT32、INT32、INT64、INT8、UNIT8,且数据类型与selfRef需满足数据类型推导规则,shape需要与selfRef满足broadcast关系,且broadcast后的shape需要与selfRef的shape一致。支持非连续的Tensor,数据格式支持ND。
- workspaceSize:返回用户需要在Device侧申请的workspace大小。
- executor:返回op执行器,包含了算子计算流程。
-
返回值:
返回aclnnStatus状态码,具体参见aclnn返回码。
:::note 说明 第一段接口完成入参校验,出现以下场景时报错:
- 返回161001(ACLNN_ERR_PARAM_NULLPTR):传入的selfRef、other是空指针。
- 返回161002(ACLNN_ERR_PARAM_INVALID):
- selfRef和other的数据类型和数据格式不在支持的范围之内。
- selfRef和other不满足数据类型推导规则。
- 推导出的数据类型无法转换为指定输出的类型。
- selfRef和otherbroadcast后的shape与selfRef的shape不一致。 :::
aclnnInplaceFmodTensor
-
接口定义:
aclnnStatus aclnnInplaceFmodTensor(void *workspace, uint64_t workspaceSize, aclOpExecutor *executor, aclrtStream stream)
-
参数说明:
- workspace:在Device侧申请的workspace内存起址。
- workspaceSize:在Device侧申请的workspace大小,由第一段接口aclnnInplaceFmodTensorGetWorkspaceSize获取。
- executor:op执行器,包含了算子计算流程。
- stream:指定执行任务的AscendCL stream流。
-
返回值:
返回aclnnStatus状态码,具体参见aclnn返回码。
调用示例
#include <iostream>
#include <vector>
#include "acl/acl.h"
#include "aclnnop/aclnn_fmod_tensor.h"
#define CHECK_RET(cond, return_expr) \
do { \
if (!(cond)) { \
return_expr; \
} \
} while (0)
#define LOG_PRINT(message, ...) \
do { \
printf(message, ##__VA_ARGS__); \
} while (0)
int64_t GetShapeSize(const std::vector<int64_t>& shape) {
int64_t shape_size = 1;
for (auto i : shape) {
shape_size *= i;
}
return shape_size;
}
int Init(int32_t deviceId, aclrtContext* context, aclrtStream* stream) {
// 固定写法,AscendCL初始化
auto ret = aclInit(nullptr);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclInit failed. ERROR: %d\n", ret); return ret);
ret = aclrtSetDevice(deviceId);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtSetDevice failed. ERROR: %d\n", ret); return ret);
ret = aclrtCreateContext(context, deviceId);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtCreateContext failed. ERROR: %d\n", ret); return ret);
ret = aclrtSetCurrentContext(*context);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtSetCurrentContext failed. ERROR: %d\n", ret); return ret);
ret = aclrtCreateStream(stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtCreateStream failed. ERROR: %d\n", ret); return ret);
return 0;
}
template <typename T>
int CreateAclTensor(const std::vector<T>& hostData, const std::vector<int64_t>& shape, void** deviceAddr,
aclDataType dataType, aclTensor** tensor) {
auto size = GetShapeSize(shape) * sizeof(T);
// 调用aclrtMalloc申请device侧内存
auto ret = aclrtMalloc(deviceAddr, size, ACL_MEM_MALLOC_HUGE_FIRST);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtMalloc failed. ERROR: %d\n", ret); return ret);
// 调用aclrtMemcpy将Host侧数据拷贝到device侧内存上
ret = aclrtMemcpy(*deviceAddr, size, hostData.data(), size, ACL_MEMCPY_HOST_TO_DEVICE);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtMemcpy failed. ERROR: %d\n", ret); return ret);
// 计算连续tensor的strides
std::vector<int64_t> strides(shape.size(), 1);
for (int64_t i = shape.size() - 2; i >= 0; i--) {
strides[i] = shape[i + 1] * strides[i + 1];
}
// 调用aclCreateTensor接口创建aclTensor
*tensor = aclCreateTensor(shape.data(), shape.size(), dataType, strides.data(), 0, aclFormat::ACL_FORMAT_ND,
shape.data(), shape.size(), *deviceAddr);
return 0;
}
int main() {
// 1. (固定写法)device/context/stream初始化 参考AscendCL对外接口列表
// 根据自己的实际device填写deviceId
int32_t deviceId = 0;
aclrtContext context;
aclrtStream stream;
auto ret = Init(deviceId, &context, &stream);
// check根据自己的需要处理
CHECK_RET(ret == 0, LOG_PRINT("Init acl failed. ERROR: %d\n", ret); return ret);
// 2. 构造输入与输出,需要根据API的接口自定义构造
std::vector<int64_t> selfShape = {4, 2};
std::vector<int64_t> otherShape = {4, 2};
void* selfDeviceAddr = nullptr;
void* otherDeviceAddr = nullptr;
aclTensor* self = nullptr;
aclTensor* other = nullptr;
std::vector<float> selfHostData = {0, 1, 2, 3, 4, 5, 6, 7};
std::vector<float> otherHostData = {1, 1, 1, 2, 1, 2, 3, 3};
// 创建other aclTensor
ret = CreateAclTensor(otherHostData, otherShape, &otherDeviceAddr, aclDataType::ACL_FLOAT, &other);
CHECK_RET(ret == ACL_SUCCESS, return ret);
// 创建self aclTensor
ret = CreateAclTensor(selfHostData, selfShape, &selfDeviceAddr, aclDataType::ACL_FLOAT, &self);
CHECK_RET(ret == ACL_SUCCESS, return ret);
// 3.调用CANN算子库API,需要修改为具体的算子接口
uint64_t workspaceSize = 0;
aclOpExecutor* executor;
// 调用aclnnInplaceFmodTensor第一段接口
ret = aclnnInplaceFmodTensorGetWorkspaceSize(self, other, &workspaceSize, &executor);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnInplaceFmodTensorGetWorkspaceSize failed. ERROR: %d\n", ret); return ret);
// 根据第一段接口计算出的workspaceSize申请device内存
void* workspaceAddr = nullptr;
if (workspaceSize > 0) {
ret = aclrtMalloc(&workspaceAddr, workspaceSize, ACL_MEM_MALLOC_HUGE_FIRST);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("allocate workspace failed. ERROR: %d\n", ret); return ret;);
}
// 调用aclnnInplaceFmodTensor第二段接口
ret = aclnnInplaceFmodTensor(workspaceAddr, workspaceSize, executor, stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnInplaceFmodTensor failed. ERROR: %d\n", ret); return ret);
// 4. (固定写法)同步等待任务执行结束
ret = aclrtSynchronizeStream(stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtSynchronizeStream failed. ERROR: %d\n", ret); return ret);
// 5. 获取输出的值,将device侧内存上的结果拷贝至Host侧,需要根据具体API的接口定义修改
auto size = GetShapeSize(selfShape);
std::vector<float> resultData(size, 0);
ret = aclrtMemcpy(resultData.data(), resultData.size() * sizeof(resultData[0]), selfDeviceAddr, size * sizeof(float),
ACL_MEMCPY_DEVICE_TO_HOST);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("copy result from device to host failed. ERROR: %d\n", ret); return ret);
for (int64_t i = 0; i < size; i++) {
LOG_PRINT("result[%ld] is: %f\n", i, resultData[i]);
}
// 6. 释放aclTensor和aclScalar,需要根据具体API的接口定义修改
aclDestroyTensor(other);
aclDestroyTensor(self);
return 0;
}
父主题: NN类算子接口
aclnnInplaceGeScalar
接口原型
每个算子有两段接口,必须先调用“aclnnXxxGetWorkspaceSize”接口获取入参并根据计算流程计算所需workspace大小,再调用“aclnnXxx”接口执行计算。两段式接口如下:
- **第一段接口:**aclnnStatus aclnnInplaceGeScalarGetWorkspaceSize(aclTensor *selfRef, const aclScalar *other, uint64_t *workspaceSize, aclOpExecutor **executor)
- **第二段接口:**aclnnStatus aclnnInplaceGeScalar(void *workspace, uint64_t workspaceSize, aclOpExecutor *executor, aclrtStream stream)
功能描述
-
算子功能:比较张量selfRef中每个元素是否≥标量other的值,返回一个BOOL类型张量。
-
计算公式:
aclnnInplaceGeScalarGetWorkspaceSize
-
接口定义:
aclnnStatus aclnnInplaceGeScalarGetWorkspaceSize(aclTensor *selfRef, const aclScalar *other, uint64_t *workspaceSize, aclOpExecutor **executor)
-
参数说明:
- selfRef:Device侧的aclTensor,输入/输出张量,数据类型支持FLOAT16、FLOAT32、INT32、INT64、INT16、INT8、UINT8、DOUBLE、UINT16、UINT32、UINT64、BOOL、BFLOAT16(仅Atlas A2训练系列产品支持),支持非连续的Tensor,数据格式支持ND。
- other:Host侧的aclScalar,数据类型支持FLOAT、FLOAT16、INT32、INT64、INT16、INT8、UINT8、DOUBLE、UINT16、UINT32、UINT64、BOOL、BFLOAT16(仅Atlas A2训练系列产品支持)。
- workspaceSize:返回用户需要在Device侧申请的workspace大小。
- executor:返回op执行器,包含了算子计算流程。
-
返回值:
返回aclnnStatus状态码,具体参见aclnn返回码。
:::note 说明 第一段接口完成入参校验,出现以下场景时报错:
- 返回161001(ACLNN_ERR_PARAM_NULLPTR):参数selfRef、other是空指针。
- 返回161002(ACLNN_ERR_PARAM_INVALID):
- 参数selfRef、other的数据类型不在支持的范围内。
- 参数selfRef的维度超过8。 :::
aclnnInplaceGeScalar
-
接口定义:
aclnnStatus aclnnInplaceGeScalar(void *workspace, uint64_t workspaceSize, aclOpExecutor *executor, aclrtStream stream)
-
参数说明:
- workspace:在Device侧申请的workspace内存起址。
- workspaceSize:在Device侧申请的workspace大小,由第一段接口aclnnInplaceGeScalarGetWorkspaceSize获取。
- executor:op执行器,包含了算子计算流程。
- stream:指定执行任务的AscendCL stream流。
-
返回值:
返回aclnnStatus状态码,具体参见aclnn返回码。
调用示例
#include <iostream>
#include <vector>
#include "acl/acl.h"
#include "aclnnop/aclnn_ge_scalar.h"
#define CHECK_RET(cond, return_expr) \
do { \
if (!(cond)) { \
return_expr; \
} \
} while (0)
#define LOG_PRINT(message, ...) \
do { \
printf(message, ##__VA_ARGS__); \
} while (0)
int64_t GetShapeSize(const std::vector<int64_t>& shape) {
int64_t shapeSize = 1;
for (auto i : shape) {
shapeSize *= i;
}
return shapeSize;
}
int Init(int32_t deviceId, aclrtContext* context, aclrtStream* stream) {
// 固定写法,AscendCL初始化
auto ret = aclInit(nullptr);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclInit failed. ERROR: %d\n", ret); return ret);
ret = aclrtSetDevice(deviceId);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtSetDevice failed. ERROR: %d\n", ret); return ret);
ret = aclrtCreateContext(context, deviceId);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtCreateContext failed. ERROR: %d\n", ret); return ret);
ret = aclrtSetCurrentContext(*context);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtSetCurrentContext failed. ERROR: %d\n", ret); return ret);
ret = aclrtCreateStream(stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtCreateStream failed. ERROR: %d\n", ret); return ret);
return 0;
}
template <typename>
int CreateAclTensor(const std::vector<T>& hostData, const std::vector<int64_t>& shape, void** deviceAddr,
aclDataType dataType, aclTensor** tensor) {
auto size = GetShapeSize(shape) * sizeof(T);
// 调用aclrtMalloc申请device侧内存
auto ret = aclrtMalloc(deviceAddr, size, ACL_MEM_MALLOC_HUGE_FIRST);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtMalloc failed. ERROR: %d\n", ret); return ret);
// 调用aclrtMemcpy将host侧数据拷贝到device侧内存上
ret = aclrtMemcpy(*deviceAddr, size, hostData.data(), size, ACL_MEMCPY_HOST_TO_DEVICE);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtMemcpy failed. ERROR: %d\n", ret); return ret);
// 计算连续tensor的strides
std::vector<int64_t> strides(shape.size(), 1);
for (int64_t i = shape.size() - 2; i >= 0; i--) {
strides[i] = shape[i + 1] * strides[i + 1];
}
// 调用aclCreateTensor接口创建aclTensor
*tensor = aclCreateTensor(shape.data(), shape.size(), dataType, strides.data(), 0, aclFormat::ACL_FORMAT_ND,
shape.data(), shape.size(), *deviceAddr);
return 0;
}
int main() {
// 1. (固定写法)device/context/stream初始化,参考AscendCL对外接口列表
// 根据自己的实际device填写deviceId
int32_t deviceId = 0;
aclrtContext context;
aclrtStream stream;
auto ret = Init(deviceId, &context, &stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("Init acl failed. ERROR: %d\n", ret); return ret);
// 2. 构造输入与输出,需要根据API的接口自定义构造
std::vector<int64_t> selfShape = {4, 2};
void* selfDeviceAddr = nullptr;
aclTensor* self = nullptr;
aclScalar* other = nullptr;
std::vector<float> selfHostData = {0, 1, 2, 3, 4, 5, 6, 7};
float otherValue = 3.5f;
// 创建self aclTensor
ret = CreateAclTensor(selfHostData, selfShape, &selfDeviceAddr, aclDataType::ACL_FLOAT, &self);
CHECK_RET(ret == ACL_SUCCESS, return ret);
// 创建other aclScalar
other = aclCreateScalar(&otherValue, aclDataType::ACL_FLOAT);
CHECK_RET(other != nullptr, return ret);
// 3. 调用CANN算子库API,需要修改为具体的Api名称
uint64_t workspaceSize = 0;
aclOpExecutor* executor;
// 调用aclnnInplaceGeScalar第一段接口
ret = aclnnInplaceGeScalarGetWorkspaceSize(self, other, &workspaceSize, &executor);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnInplaceGeScalarGetWorkspaceSize failed. ERROR: %d\n", ret); return ret);
// 根据第一段接口计算出的workspaceSize申请device内存
void* workspaceAddr = nullptr;
if (workspaceSize > 0) {
ret = aclrtMalloc(&workspaceAddr, workspaceSize, ACL_MEM_MALLOC_HUGE_FIRST);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("allocate workspace failed. ERROR: %d\n", ret); return ret);
}
// 调用aclnnInplaceGeScalar第二段接口
ret = aclnnInplaceGeScalar(workspaceAddr, workspaceSize, executor, stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnInplaceGeScalar failed. ERROR: %d\n", ret); return ret);
// 4. (固定写法)同步等待任务执行结束
ret = aclrtSynchronizeStream(stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtSynchronizeStream failed. ERROR: %d\n", ret); return ret);
// 5. 获取输出的值,将device侧内存上的结果拷贝至host侧,需要根据具体API的接口定义修改
auto size = GetShapeSize(selfShape);
std::vector<float> resultData(size, 0);
ret = aclrtMemcpy(resultData.data(), resultData.size() * sizeof(resultData[0]), selfDeviceAddr,
size * sizeof(resultData[0]), ACL_MEMCPY_DEVICE_TO_HOST);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("copy result from device to host failed. ERROR: %d\n", ret); return ret);
for (int64_t i = 0; i < size; i++) {
LOG_PRINT("result[%ld] is: %f\n", i, resultData[i]);
}
// 6. 释放aclTensor和aclScalar,需要根据具体API的接口定义修改
aclDestroyTensor(self);
aclDestroyScalar(other);
return 0;
}
父主题: NN类算子接口
aclnnInplaceGeTensor
接口原型
每个算子有两段接口,必须先调用“aclnnXxxGetWorkspaceSize”接口获取入参并根据计算流程计算所需workspace大小,再调用“aclnnXxx”接口执行计算。两段式接口如下:
- **第一段接口:**aclnnStatus aclnnInplaceGeTensorGetWorkspaceSize(aclTensor *selfRef, const aclTensor *other, uint64_t *workspaceSize, aclOpExecutor **executor)
- **第二段接口:**aclnnStatus aclnnInplaceGeTensor(void *workspace, uint64_t workspaceSize, aclOpExecutor *executor, aclrtStream stream)
功能描述
-
算子功能:判断输入张量selfRef里每个元素是否≥张量other对应位置的值,返回一个BOOL类型张量。
-
计算公式:
aclnnInplaceGeTensorGetWorkspaceSize
-
接口定义:
aclnnStatus aclnnInplaceGeTensorGetWorkspaceSize(aclTensor *selfRef, const aclTensor *other, uint64_t *workspaceSize, aclOpExecutor **executor)
-
参数说明:
- selfRef:Device侧的aclTensor,输入/输出张量,数据类型支持FLOAT16、FLOAT32、INT32、INT64、INT16、INT8、UINT8、DOUBLE、UINT16、UINT32、UINT64、BOOL、BFLOAT16(仅Atlas A2训练系列产品支持),且数据类型需要与other构成互推导关系,shape需要与other满足broadcast关系,且broadcast后的shape需要与selfRef的shape一致。支持非连续的Tensor,数据格式支持ND。
- other:Device侧的aclTensor,数据类型支持FLOAT16、FLOAT32、INT32、INT64、INT16、INT8、UINT8、DOUBLE、UINT16、UINT32、UINT64、BOOL、BFLOAT16(仅Atlas A2训练系列产品支持),且数据类型需要与selfRef构成互推导关系,shape需要与selfRef满足broadcast关系,且broadcast后的shape需要与selfRef的shape一致。支持非连续的Tensor,数据格式支持ND。
- workspaceSize:返回用户需要在Device侧申请的workspace大小。
- executor:返回op执行器,包含了算子计算流程。
-
返回值:
返回aclnnStatus状态码,具体参见aclnn返回码。
:::note 说明 第一段接口完成入参校验,出现以下场景时报错:
- 返回161001(ACLNN_ERR_PARAM_NULLPTR):传入的selfRef、other是空指针。
- 返回161002(ACLNN_ERR_PARAM_INVALID):
- selfRef、other的数据类型不在支持的范围内。
- selfRef的维度大于8。
- selfRef和other的shape无法做broadcast。
- selfRef的shape与broadcast后的shape不一致。 :::
aclnnInplaceGeTensor
-
接口定义:
aclnnStatus aclnnInplaceGeTensor(void *workspace, uint64_t workspaceSize, aclOpExecutor *executor, aclrtStream stream)
-
参数说明:
- workspace:在Device侧申请的workspace内存起址。
- workspaceSize:在Device侧申请的workspace大小,由第一段接口aclnnInplaceGeTensorGetWorkspaceSize获取。
- executor:op执行器,包含了算子计算流程。
- stream:指定执行任务的AscendCL stream流。
-
返回值:
返回aclnnStatus状态码,具体参见aclnn返回码。
调用示例
#include <iostream>
#include <vector>
#include "acl/acl.h"
#include "aclnnop/aclnn_ge_tensor.h"
#define CHECK_RET(cond, return_expr) \
do { \
if (!(cond)) { \
return_expr; \
} \
} while (0)
#define LOG_PRINT(message, ...) \
do { \
printf(message, ##__VA_ARGS__); \
} while (0)
int64_t GetShapeSize(const std::vector<int64_t>& shape) {
int64_t shapeSize = 1;
for (auto i : shape) {
shapeSize *= i;
}
return shapeSize;
}
int Init(int32_t deviceId, aclrtContext* context, aclrtStream* stream) {
// 固定写法,AscendCL初始化
auto ret = aclInit(nullptr);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclInit failed. ERROR: %d\n", ret); return ret);
ret = aclrtSetDevice(deviceId);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtSetDevice failed. ERROR: %d\n", ret); return ret);
ret = aclrtCreateContext(context, deviceId);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtCreateContext failed. ERROR: %d\n", ret); return ret);
ret = aclrtSetCurrentContext(*context);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtSetCurrentContext failed. ERROR: %d\n", ret); return ret);
ret = aclrtCreateStream(stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtCreateStream failed. ERROR: %d\n", ret); return ret);
return 0;
}
template <typename>
int CreateAclTensor(const std::vector<T>& hostData, const std::vector<int64_t>& shape, void** deviceAddr,
aclDataType dataType, aclTensor** tensor) {
auto size = GetShapeSize(shape) * sizeof(T);
// 调用aclrtMalloc申请device侧内存
auto ret = aclrtMalloc(deviceAddr, size, ACL_MEM_MALLOC_HUGE_FIRST);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtMalloc failed. ERROR: %d\n", ret); return ret);
// 调用aclrtMemcpy将host侧数据拷贝到device侧内存上
ret = aclrtMemcpy(*deviceAddr, size, hostData.data(), size, ACL_MEMCPY_HOST_TO_DEVICE);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtMemcpy failed. ERROR: %d\n", ret); return ret);
// 计算连续tensor的strides
std::vector<int64_t> strides(shape.size(), 1);
for (int64_t i = shape.size() - 2; i >= 0; i--) {
strides[i] = shape[i + 1] * strides[i + 1];
}
// 调用aclCreateTensor接口创建aclTensor
*tensor = aclCreateTensor(shape.data(), shape.size(), dataType, strides.data(), 0, aclFormat::ACL_FORMAT_ND,
shape.data(), shape.size(), *deviceAddr);
return 0;
}
int main() {
// 1. (固定写法)device/context/stream初始化,参考AscendCL对外接口列表
// 根据自己的实际device填写deviceId
int32_t deviceId = 0;
aclrtContext context;
aclrtStream stream;
auto ret = Init(deviceId, &context, &stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("Init acl failed. ERROR: %d\n", ret); return ret);
// 2. 构造输入与输出,需要根据API的接口自定义构造
std::vector<int64_t> selfShape = {4, 2};
std::vector<int64_t> otherShape= {4, 2};
void* selfDeviceAddr = nullptr;
void* otherDeviceAddr= nullptr;
aclTensor* self = nullptr;
aclTensor* other = nullptr;
std::vector<float> selfHostData = {0, 1, 2, 3, 4, 5, 6, 7};
std::vector<float> otherHostData = {1, 1, 1, 1, 0, 0, 0, 0};
// 创建self aclTensor
ret = CreateAclTensor(selfHostData, selfShape, &selfDeviceAddr, aclDataType::ACL_FLOAT, &self);
CHECK_RET(ret == ACL_SUCCESS, return ret);
// 创建other aclTensor
ret = CreateAclTensor(otherHostData, otherShape, &otherDeviceAddr, aclDataType::ACL_INT32, &other);
CHECK_RET(ret == ACL_SUCCESS, return ret);
// 3. 调用CANN算子库API,需要修改为具体的Api名称
uint64_t workspaceSize = 0;
aclOpExecutor* executor;
// 调用aclnnInplaceGeTensor第一段接口
ret = aclnnInplaceGeTensorGetWorkspaceSize(self, other, &workspaceSize, &executor);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnInplaceGeTensorGetWorkspaceSize failed. ERROR: %d\n", ret); return ret);
// 根据第一段接口计算出的workspaceSize申请device内存
void* workspaceAddr = nullptr;
if (workspaceSize > 0) {
ret = aclrtMalloc(&workspaceAddr, workspaceSize, ACL_MEM_MALLOC_HUGE_FIRST);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("allocate workspace failed. ERROR: %d\n", ret); return ret);
}
// 调用aclnnInplaceGeTensor第二段接口
ret = aclnnInplaceGeTensor(workspaceAddr, workspaceSize, executor, stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnInplaceGeTensor failed. ERROR: %d\n", ret); return ret);
// 4. (固定写法)同步等待任务执行结束
ret = aclrtSynchronizeStream(stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtSynchronizeStream failed. ERROR: %d\n", ret); return ret);
// 5. 获取输出的值,将device侧内存上的结果拷贝至host侧,需要根据具体API的接口定义修改
auto size = GetShapeSize(selfShape);
std::vector<float> resultData(size, 0);
ret = aclrtMemcpy(resultData.data(), resultData.size() * sizeof(resultData[0]), selfDeviceAddr,
size * sizeof(resultData[0]), ACL_MEMCPY_DEVICE_TO_HOST);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("copy result from device to host failed. ERROR: %d\n", ret); return ret);
for (int64_t i = 0; i < size; i++) {
LOG_PRINT("result[%ld] is: %f\n", i, resultData[i]);
}
// 6. 释放aclTensor和aclTensor,需要根据具体API的接口定义修改
aclDestroyTensor(self);
aclDestroyTensor(other);
return 0;
}
父主题: NN类算子接口
aclnnInplaceGtScalar
接口原型
每个算子有两段接口,必须先调用“aclnnXxxGetWorkspaceSize”接口获取入参并根据计算流程计算所需workspace大小,再调用“aclnnXxx”接口执行计算。两段式接口如下:
- 第一段接口:aclnnStatus aclnnInplaceGtScalarGetWorkspaceSize(const aclTensor *selfRef, const aclScalar *other, uint64_t *workspaceSize, aclOpExecutor **executor)
- 第二段接口:aclnnStatus aclnnInplaceGtScalar(void *workspace, uint64_t workspaceSize, aclOpExecutor *executor, const aclrtStream stream)
功能描述
-
算子功能:判断张量selfRef中每个元素是否大于标量other的值。
-
计算公式:
aclnnInplaceGtScalarGetWorkspaceSize
-
接口定义:
aclnnStatus aclnnInplaceGtScalarGetWorkspaceSize(const aclTensor *selfRef, const aclScalar *other, uint64_t *workspaceSize, aclOpExecutor **executor)
-
参数说明:
- selfRef:Device侧的aclTensor,输入/输出张量,数据类型支持FLOAT16、FLOAT32、INT32、INT64、INT16、INT8、UINT8、DOUBLE、UINT16、UINT32、UINT64、BOOL、BFLOAT16(仅Atlas A2训练系列产品支持)。支持非连续的Tensor,数据格式支持ND。
- other:Host侧的aclScalar,数据类型支持FLOAT、FLOAT16、INT32、INT64、INT16、INT8、UINT8、DOUBLE、UINT16、UINT32、UINT64、BOOL、BFLOAT16(仅Atlas A2训练系列产品支持)。
- workspaceSize:返回用户需要在Device侧申请的workspace大小。
- executor:返回op执行器,包含了算子计算流程。
-
返回值:
返回aclnnStatus状态码,具体参见aclnn返回码。
:::note 说明 第一段接口完成入参校验,出现以下场景时报错:
- 返回161001(ACLNN_ERR_PARAM_NULLPTR):传入的selfRef、other是空指针。
- 返回161002(ACLNN_ERR_PARAM_INVALID):
- selfRef的数据类型不在支持的范围内。
- selfRef的维度大于8。 :::
aclnnInplaceGtScalar
-
接口定义:
aclnnStatus aclnnInplaceGtScalar(void *workspace, uint64_t workspaceSize, aclOpExecutor *executor, const aclrtStream stream)
-
参数说明:
- workspace:在Device侧申请的workspace内存起址。
- workspaceSize:在Device侧申请的workspace大小,由第一段接口aclnnInplaceGtScalarGetWorkspaceSize获取。
- executor:op执行器,包含了算子计算流程。
- stream:指定执行任务的AscendCL stream流。
-
返回值:
返回aclnnStatus状态码,具体参见aclnn返回码。
调用示例
#include <vector>
#include "acl/acl.h"
#include "aclnnop/aclnn_gt_scalar.h"
#define CHECK_RET(cond, return_expr) \
do { \
if (!(cond)) { \
return_expr; \
} \
} while (0)
#define LOG_PRINT(message, ...) \
do { \
printf(message, ##__VA_ARGS__); \
} while (0)
int64_t GetShapeSize(const std::vector<int64_t>& shape) {
int64_t shapeSize = 1;
for (auto i : shape) {
shapeSize *= i;
}
return shapeSize;
}
int Init(int32_t deviceId, aclrtContext* context, aclrtStream* stream) {
// 固定写法,AscendCL初始化
auto ret = aclInit(nullptr);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclInit failed. ERROR: %d\n", ret); return ret);
ret = aclrtSetDevice(deviceId);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtSetDevice failed. ERROR: %d\n", ret); return ret);
ret = aclrtCreateContext(context, deviceId);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtCreateContext failed. ERROR: %d\n", ret); return ret);
ret = aclrtSetCurrentContext(*context);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtSetCurrentContext failed. ERROR: %d\n", ret); return ret);
ret = aclrtCreateStream(stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtCreateStream failed. ERROR: %d\n", ret); return ret);
return 0;
}
template <typename T>
int CreateAclTensor(const std::vector<T>& hostData, const std::vector<int64_t>& shape, void** deviceAddr,
aclDataType dataType, aclTensor** tensor) {
auto size = GetShapeSize(shape) * sizeof(T);
// 调用aclrtMalloc申请device侧内存
auto ret = aclrtMalloc(deviceAddr, size, ACL_MEM_MALLOC_HUGE_FIRST);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtMalloc failed. ERROR: %d\n", ret); return ret);
// 调用aclrtMemcpy将Host侧数据拷贝到device侧内存上
ret = aclrtMemcpy(*deviceAddr, size, hostData.data(), size, ACL_MEMCPY_HOST_TO_DEVICE);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtMemcpy failed. ERROR: %d\n", ret); return ret);
// 计算连续tensor的strides
std::vector<int64_t> strides(shape.size(), 1);
for (int64_t i = shape.size() - 2; i >= 0; i--) {
strides[i] = shape[i + 1] * strides[i + 1];
}
// 调用aclCreateTensor接口创建aclTensor
*tensor = aclCreateTensor(shape.data(), shape.size(), dataType, strides.data(), 0, aclFormat::ACL_FORMAT_ND,
shape.data(), shape.size(), *deviceAddr);
return 0;
}
int main() {
// 1. (固定写法)device/context/stream初始化,参考AscendCL对外接口列表
// 根据自己的实际device填写deviceId
int32_t deviceId = 0;
aclrtContext context;
aclrtStream stream;
auto ret = Init(deviceId, &context, &stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("Init acl failed. ERROR: %d\n", ret); return ret);
// 2. 构造输入与输出,需要根据API的接口自定义构造
std::vector<int64_t> selfShape = {4, 2};
void* selfDeviceAddr = nullptr;
aclTensor* self = nullptr;
aclScalar* other = nullptr;
std::vector<float> selfHostData = {0, 1, 2, 3, 4, 5, 6, 7};
float otherValue = 3.5f;
// 创建self aclTensor
ret = CreateAclTensor(selfHostData, selfShape, &selfDeviceAddr, aclDataType::ACL_FLOAT, &self);
CHECK_RET(ret == ACL_SUCCESS, return ret);
// 创建other aclScalar
other = aclCreateScalar(&otherValue, aclDataType::ACL_FLOAT);
CHECK_RET(other != nullptr, return ret);
// 3. 调用CANN算子库API,需要修改为具体的API名称
uint64_t workspaceSize = 0;
aclOpExecutor* executor;
// 调用aclnnInplaceGtScalar第一段接口
ret = aclnnInplaceGtScalarGetWorkspaceSize(self, other, &workspaceSize, &executor);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnInplaceGtScalarGetWorkspaceSize failed. ERROR: %d\n", ret); return ret);
// 根据第一段接口计算出的workspaceSize申请device内存
void* workspaceAddr = nullptr;
if (workspaceSize > 0) {
ret = aclrtMalloc(&workspaceAddr, workspaceSize, ACL_MEM_MALLOC_HUGE_FIRST);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("allocate workspace failed. ERROR: %d\n", ret); return ret);
}
// 调用aclnnInplaceGtScalar第二段接口
ret = aclnnInplaceGtScalar(workspaceAddr, workspaceSize, executor, stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnInplaceGtScalar failed. ERROR: %d\n", ret); return ret);
// 4. (固定写法)同步等待任务执行结束
ret = aclrtSynchronizeStream(stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtSynchronizeStream failed. ERROR: %d\n", ret); return ret);
// 5. 获取输出的值,将device侧内存上的结果拷贝至Host侧,需要根据具体API的接口定义修改
auto size = GetShapeSize(selfShape);
std::vector<float> resultData(size, 0);
ret = aclrtMemcpy(resultData.data(), resultData.size() * sizeof(resultData[0]), selfDeviceAddr,
size * sizeof(resultData[0]), ACL_MEMCPY_DEVICE_TO_HOST);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("copy result from device to host failed. ERROR: %d\n", ret); return ret);
for (int64_t i = 0; i < size; i++) {
LOG_PRINT("result[%ld] is: %f\n", i, resultData[i]);
}
// 6. 释放aclTensor和aclScalar,需要根据具体API的接口定义修改
aclDestroyTensor(self);
aclDestroyScalar(other);
return 0;
}
父主题: NN类算子接口
aclnnInplaceGtTensor
接口原型
每个算子有两段接口,必须先调用“aclnnXxxGetWorkspaceSize”接口获取入参并根据计算流程计算所需workspace大小,再调用“aclnnXxx”接口执行计算。两段式接口如下:
- 第一段接口:aclnnStatus aclnnInplaceGtTensorGetWorkspaceSize(const aclTensor *selfRef, const aclTensor *other, uint64_t *workspaceSize, aclOpExecutor **executor)
- 第二段接口:aclnnStatus aclnnInplaceGtTensor(void *workspace, uint64_t workspaceSize, aclOpExecutor *executor, const aclrtStream stream)
功能描述
-
算子功能:判断张量selfRef中元素是否大于张量other中元素,返回结果复写到selfRef。
-
计算公式:
aclnnInplaceGtTensorGetWorkspaceSize
-
接口定义:
aclnnStatus aclnnInplaceGtTensorGetWorkspaceSize(const aclTensor *selfRef, const aclTensor *other, uint64_t *workspaceSize, aclOpExecutor **executor)
-
参数说明:
- selfRef:Device侧的aclTensor,输入/输出张量,数据类型支持UINT8、INT8、DOUBLE、FLOAT、INT32、INT64、INT16、FLOAT16、BOOL、BFLOAT16(仅Atlas A2训练系列产品支持),shape需要与other满足broadcast关系,且广播后的shape必须等于other的shape,数据类型需要与oher满足数据类型推导规则,支持非连续的Tensor,数据格式支持ND。
- other:Device侧的aclTensor,数据类型支持UINT8、INT8、DOUBLE、FLOAT、INT32、INT64、INT16、FLOAT16、BOOL、BFLOAT16(仅Atlas A2训练系列产品支持),shape需要与selfRef满足broadcast关系,且广播后的shape必须等于selfRef的shape,数据类型需要与selfRef满足数据类型推导规则,支持非连续的Tensor,数据格式支持ND。
- workspaceSize:返回用户需要在Device侧申请的workspace大小。
- executor:返回op执行器,包含了算子计算流程。
-
返回值:
返回aclnnStatus状态码,具体参见aclnn返回码。
:::note 说明 第一段接口完成入参校验,出现以下场景时报错:
- 返回161001(ACLNN_ERR_PARAM_NULLPTR):传入的selfRef、other是空指针。
- 返回161002(ACLNN_ERR_PARAM_INVALID):
- selfRef和other的数据类型不在支持的范围内。
- selfRef和other的shape无法做broadcast。
- selfRef和other做broadcast后的shape不等于selfRef的shape。
- selfRef、other的维度大于8。 :::
aclnnInplaceGtTensor
-
接口定义:
aclnnStatus aclnnInplaceGtTensor(void *workspace, uint64_t workspaceSize, aclOpExecutor *executor, const aclrtStream stream)
-
参数说明:
- workspace:在Device侧申请的workspace内存起址。
- workspaceSize:在Device侧申请的workspace大小,由第一段接口aclnnInplaceGtTensorGetWorkspaceSize获取。
- executor:op执行器,包含了算子计算流程。
- stream:指定执行任务的AscendCL stream流。
-
返回值:
返回aclnnStatus状态码,具体参见aclnn返回码。
调用示例
#include <iostream>
#include <vector>
#include "acl/acl.h"
#include "aclnnop/aclnn_gt_tensor.h"
#define CHECK_RET(cond, return_expr) \
do { \
if (!(cond)) { \
return_expr; \
} \
} while (0)
#define LOG_PRINT(message, ...) \
do { \
printf(message, ##__VA_ARGS__); \
} while (0)
int64_t GetShapeSize(const std::vector<int64_t>& shape) {
int64_t shape_size = 1;
for (auto i : shape) {
shape_size *= i;
}
return shape_size;
}
int Init(int32_t deviceId, aclrtContext* context, aclrtStream* stream) {
// 固定写法,AscendCL初始化
auto ret = aclInit(nullptr);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclInit failed. ERROR: %d\n", ret); return ret);
ret = aclrtSetDevice(deviceId);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtSetDevice failed. ERROR: %d\n", ret); return ret);
ret = aclrtCreateContext(context, deviceId);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtCreateContext failed. ERROR: %d\n", ret); return ret);
ret = aclrtSetCurrentContext(*context);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtSetCurrentContext failed. ERROR: %d\n", ret); return ret);
ret = aclrtCreateStream(stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtCreateStream failed. ERROR: %d\n", ret); return ret);
return 0;
}
template <typename T>
int CreateAclTensor(const std::vector<T>& hostData, const std::vector<int64_t>& shape, void** deviceAddr,
aclDataType dataType, aclTensor** tensor) {
auto size = GetShapeSize(shape) * sizeof(T);
// 调用aclrtMalloc申请device侧内存
auto ret = aclrtMalloc(deviceAddr, size, ACL_MEM_MALLOC_HUGE_FIRST);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtMalloc failed. ERROR: %d\n", ret); return ret);
// 调用aclrtMemcpy将Host侧数据拷贝到device侧内存上
ret = aclrtMemcpy(*deviceAddr, size, hostData.data(), size, ACL_MEMCPY_HOST_TO_DEVICE);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtMemcpy failed. ERROR: %d\n", ret); return ret);
// 计算连续tensor的strides
std::vector<int64_t> strides(shape.size(), 1);
for (int64_t i = shape.size() - 2; i >= 0; i--) {
strides[i] = shape[i + 1] * strides[i + 1];
}
// 调用aclCreateTensor接口创建aclTensor
*tensor = aclCreateTensor(shape.data(), shape.size(), dataType, strides.data(), 0, aclFormat::ACL_FORMAT_ND,
shape.data(), shape.size(), *deviceAddr);
return 0;
}
int main() {
// 1. (固定写法)device/context/stream初始化, 参考AscendCL对外接口列表
// 根据自己的实际device填写deviceId
int32_t deviceId = 0;
aclrtContext context;
aclrtStream stream;
auto ret = Init(deviceId, &context, &stream);
// check根据自己的需要处理
CHECK_RET(ret == 0, LOG_PRINT("Init acl failed. ERROR: %d\n", ret); return ret);
// 2. 构造输入与输出,需要根据API的接口自定义构造
std::vector<int64_t> selfShape = {4, 2};
std::vector<int64_t> otherShape = {4, 2};
void* selfDeviceAddr = nullptr;
void* otherDeviceAddr = nullptr;
aclTensor* self = nullptr;
aclTensor* other = nullptr;
std::vector<float> selfHostData = {0, 1, 2, 3, 4, 5, 6, 7};
std::vector<float> otherHostData = {0, 1, 1, 2, 3, 4, 5, 6};
// 创建self aclTensor
ret = CreateAclTensor(selfHostData, selfShape, &selfDeviceAddr, aclDataType::ACL_FLOAT, &self);
CHECK_RET(ret == ACL_SUCCESS, return ret);
// 创建other aclTensor
ret = CreateAclTensor(otherHostData, otherShape, &otherDeviceAddr, aclDataType::ACL_FLOAT, &other);
CHECK_RET(ret == ACL_SUCCESS, return ret);
// 3.调用CANN算子库API,需要修改为具体的算子接口
uint64_t workspaceSize = 0;
aclOpExecutor* executor;
// 调用aclnnInplaceGtTensor第一段接口
ret = aclnnInplaceGtTensorGetWorkspaceSize(self, other, &workspaceSize, &executor);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnInplaceGtTensorGetWorkspaceSize failed. ERROR: %d\n", ret); return ret);
// 根据第一段接口计算出的workspaceSize申请device内存
void* workspaceAddr = nullptr;
if (workspaceSize > 0) {
ret = aclrtMalloc(&workspaceAddr, workspaceSize, ACL_MEM_MALLOC_HUGE_FIRST);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("allocate workspace failed. ERROR: %d\n", ret); return ret;);
}
// 调用aclnnInplaceGtTensor第二段接口
ret = aclnnInplaceGtTensor(workspaceAddr, workspaceSize, executor, stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnInplaceGtTensor failed. ERROR: %d\n", ret); return ret);
// 4. (固定写法)同步等待任务执行结束
ret = aclrtSynchronizeStream(stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclrtSynchronizeStream failed. ERROR: %d\n", ret); return ret);
// 5. 获取输出的值,将device侧内存上的结果拷贝至Host侧,需要根据具体API的接口定义修改
auto size = GetShapeSize(selfShape);
std::vector<float> resultData(size, 0);
ret = aclrtMemcpy(resultData.data(), resultData.size() * sizeof(resultData[0]), selfDeviceAddr, size * sizeof(float),
ACL_MEMCPY_DEVICE_TO_HOST);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("copy result from device to host failed. ERROR: %d\n", ret); return ret);
for (int64_t i = 0; i < size; i++) {
LOG_PRINT("result[%ld] is: %f\n", i, resultData[i]);
}
// 6. 释放aclTensor,需要根据具体API的接口定义修改
aclDestroyTensor(self);
aclDestroyTensor(other);
return 0;
}
父主题: NN类算子接口
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