aclnnLogdet
aclnnLogAddExp
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 aclnnLogAddExpGetWorkspaceSize(const aclTensor *self, const aclTensor *other, aclTensor *out, uint64_t *workspaceSize, aclOpExecutor **executor)
- **第二段接口:**aclnnStatus aclnnLogAddExp(void *workspace, uint64_t workspaceSize, aclOpExecutor *executor, aclrtStream stream)
功能描述
-
算子功能:计算指数和(e为底)的对数。
-
计算公式:
aclnnLogAddExpGetWorkspaceSize
-
接口定义:
aclnnStatus aclnnLogAddExpGetWorkspaceSize(const aclTensor *self, const aclTensor *other, aclTensor *out, uint64_t *workspaceSize, aclOpExecutor **executor)
-
参数说明:
- self:Device侧的aclTensor,公式中的输入x,数据类型支持FLOAT、FLOAT16、DOUBLE、UINT8、INT8、INT16、INT32、INT64、BOOL,且数据类型与other需满足数据类型推导规则,shape与other满足broadcast关系。支持非连续的Tensor,数据格式支持ND,维度不大于8。
- other:Device侧的aclTensor,公式中的输入y,数据类型支持FLOAT、FLOAT16、DOUBLE、UINT8、INT8、INT16、INT32、INT64、BOOL,且数据类型与self需满足数据类型推导规则,shape与self满足broadcast关系。支持非连续的Tensor,数据格式支持ND,维度不大于8。
- out:Device侧的aclTensor,公式中的输出out,数据类型支持FLOAT、FLOAT16、DOUBLE,且数据类型需要是self与other推导之后可转换的数据类型,shape需要是self与other broadcast之后的shape。支持非连续的Tensor,数据格式支持ND,维度不大于8。
- 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self、other或out是空指针。
- 返回161002(ACLNN_ERR_PARAM_INVALID):
- self和other的数据类型不在支持的范围之内。
- self和other不满足数据类型推导规则。
- self和other推导出的数据类型无法转换为指定输出out的数据类型。
- self和other的shape无法做broadcast。
- out的shape不是self与other broadcast之后的shape。
- self、other和out的维度大于8。 :::
aclnnLogAddExp
-
接口定义:
aclnnStatus aclnnLogAddExp(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aclnnLogAddExpGetWorkspaceSize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_logaddexp.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};
std::vector<int64_t> outShape = {4, 2};
void* selfDeviceAddr = nullptr;
void* otherDeviceAddr = nullptr;
void* outDeviceAddr = nullptr;
aclTensor* self = nullptr;
aclTensor* other = nullptr;
aclTensor* out = nullptr;
std::vector<float> selfHostData = {0, 1, 2, 3, 4, 5, 6, 7};
std::vector<float> otherHostData = {0, 1, 2, 3, 4, 5, 6, 7};
std::vector<float> outHostData = {0, 0, 0, 0, 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_FLOAT, &other);
CHECK_RET(ret == ACL_SUCCESS, return ret);
// 创建out aclTensor
ret = CreateAclTensor(outHostData, outShape, &outDeviceAddr, aclDataType::ACL_FLOAT, &out);
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aclnnLogAddExp第一段接口
ret = aclnnLogAddExpGetWorkspaceSize(self, other, out, &workspaceSize, &executor);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnLogAddExpGetWorkspaceSize 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aclnnLogAddExp第二段接口
ret = aclnnLogAddExp(workspaceAddr, workspaceSize, executor, stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnLogAddExp 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(outShape);
std::vector<float> resultData(size, 0);
ret = aclrtMemcpy(resultData.data(), resultData.size() * sizeof(resultData[0]), outDeviceAddr, 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(self);
aclDestroyTensor(other);
aclDestroyTensor(out);
return 0;
}
父主题: NN类算子接口
aclnnLogAddExp2
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 aclnnLogAddExp2GetWorkspaceSize(const aclTensor *self, const aclTensor *other, aclTensor *out, uint64_t *workspaceSize, aclOpExecutor **executor)
- **第二段接口:**aclnnStatus aclnnLogAddExp2(void *workspace, uint64_t workspaceSize, aclOpExecutor *executor, aclrtStream stream)
功能描述
-
算子功能:计算指数和(2为底)的对数(log2)。
-
计算公式:

aclnnLogAddExp2GetWorkspaceSize
-
接口定义:
aclnnStatus aclnnLogAddExp2GetWorkspaceSize(const aclTensor *self, const aclTensor *other, aclTensor *out, uint64_t *workspaceSize, aclOpExecutor **executor)
-
参数说明:
- self:Device侧的aclTensor,公式中的输入x,数据类型支持FLOAT、FLOAT16、DOUBLE、UINT8、INT8、INT16、INT32、INT64、BOOL,且数据类型与other需满足数据类型推导规则,shape与other满足broadcast关系。支持非连续的Tensor,数据格式支持ND,维度不大于8。
- other:Device侧的aclTensor,公式中的输入y,数据类型支持FLOAT、FLOAT16、DOUBLE、UINT8、INT8、INT16、INT32、INT64、BOOL,且数据类型与self需满足数据类型推导规则,shape与self满足broadcast关系。支持非连续的Tensor,数据格式支持ND,维度不大于8。
- out:Device侧的aclTensor,公式中的输出out,数据类型支持FLOAT、FLOAT16、DOUBLE,且数据类型需要是self与other推导之后可转换的数据类型,shape需要是self与other broadcast之后的shape。支持非连续的Tensor,数据格式支持ND,维度不大于8。
- 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self、other或out是空指针。
- 返回161002(ACLNN_ERR_PARAM_INVALID):
- self和other的数据类型不在支持的范围之内。
- self和other不满足数据类型推导规则。
- self和other推导出的数据类型无法转换为指定输出out的数据类型。
- self和other的shape无法做broadcast。
- out的shape不是self与other broadcast之后的shape。
- self、other和out的维度大于8。 :::
aclnnLogAddExp2
-
接口定义:
aclnnStatus aclnnLogAddExp2(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aclnnLogAddExp2GetWorkspaceSize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_logaddexp2.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};
std::vector<int64_t> outShape = {4, 2};
void* selfDeviceAddr = nullptr;
void* otherDeviceAddr = nullptr;
void* outDeviceAddr = nullptr;
aclTensor* self = nullptr;
aclTensor* other = nullptr;
aclTensor* out = nullptr;
std::vector<float> selfHostData = {0, 1, 2, 3, 4, 5, 6, 7};
std::vector<float> otherHostData = {0, 1, 2, 3, 4, 5, 6, 7};
std::vector<float> outHostData = {0, 0, 0, 0, 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_FLOAT, &other);
CHECK_RET(ret == ACL_SUCCESS, return ret);
// 创建out aclTensor
ret = CreateAclTensor(outHostData, outShape, &outDeviceAddr, aclDataType::ACL_FLOAT, &out);
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aclnnLogAddExp2第一段接口
ret = aclnnLogAddExp2GetWorkspaceSize(self, other, out, &workspaceSize, &executor);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnLogAddExp2GetWorkspaceSize 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aclnnLogAddExp2第二段接口
ret = aclnnLogAddExp2(workspaceAddr, workspaceSize, executor, stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnLogAddExp2 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(outShape);
std::vector<float> resultData(size, 0);
ret = aclrtMemcpy(resultData.data(), resultData.size() * sizeof(resultData[0]), outDeviceAddr, 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(self);
aclDestroyTensor(other);
aclDestroyTensor(out);
return 0;
}
父主题: NN类算子接口
aclnnLogdet
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 aclnnLogdetGetWorkspaceSize(const aclTensor *self, aclTensor *out, uint64_t *workspaceSize, aclOpExecutor **executor)
- **第二段接口:**aclnnStatus aclnnLogdet(void *workspace, uint64_t workspaceSize, aclOpExecutor *executor, aclrtStream stream)
功能描述
-
算子功能:计算张量self的行列式的自然对数。
-
计算公式:
其中det表示行列式计算。如果det(self)=0,则out=−inf;如果det(self)<0,则out=nan。
aclnnLogdetGetWorkspaceSize
-
接口定义:
aclnnStatus aclnnLogdetGetWorkspaceSize(const aclTensor *self, aclTensor *out, uint64_t *workspaceSize, aclOpExecutor **executor)
-
参数说明:
- self(aclTensor*, 计算输入):公式中的输入self,数据类型支持FLOAT、DOUBLE、COMPLEX64、COMPLEX128。shape满足(*, n, n)形式,其中*表示0或更多维度的batch。支持非连续的Tensor,数据格式支持ND。
- out(aclTensor*, 计算输出):公式中的out,数据类型支持FLOAT、DOUBLE、COMPLEX64、COMPLEX128,且需要和self满足互推导关系,shape与self的batch一致。支持非连续的Tensor,数据格式支持ND。
- workspaceSize(uint64_t*, 出参):返回用户需要在Device侧申请的workspace大小。
- executor(aclOpExecutor**, 出参):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self或out是空指针。
- 返回161002(ACLNN_ERR_PARAM_INVALID):
- self或out的数据类型和数据格式不在支持的范围内。
- self或out的shape不满足约束。 :::
aclnnLogdet
-
接口定义:
aclnnStatus aclnnLogdet(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aclnnLogdetGetWorkspaceSize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_logdet.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 = {3, 2, 2};
std::vector<int64_t> outShape = {3};
void *selfDeviceAddr = nullptr;
void *outDeviceAddr = nullptr;
aclTensor *self = nullptr;
aclTensor *out = nullptr;
std::vector<float> selfHostData = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11};
std::vector<float> outHostData = {0, 0, 0};
// 创建self aclTensor
ret = CreateAclTensor(selfHostData, selfShape, &selfDeviceAddr, aclDataType::ACL_FLOAT, &self);
CHECK_RET(ret == ACL_SUCCESS, return ret);
CHECK_RET(ret == ACL_SUCCESS, return ret);
// 创建out aclTensor
ret = CreateAclTensor(outHostData, outShape, &outDeviceAddr, aclDataType::ACL_FLOAT, &out);
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aclnnLogdet第一段接口
ret = aclnnLogdetGetWorkspaceSize(self, out, &workspaceSize, &executor);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnLogdetGetWorkspaceSize 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aclnnLogdet第二段接口
ret = aclnnLogdet(workspaceAddr, workspaceSize, executor, stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnLogdet 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
size = GetShapeSize(outShape);
std::vector<float> outResultData(size, 0);
ret = aclrtMemcpy(outResultData.data(), outResultData.size() * sizeof(outResultData[0]), outDeviceAddr,
size * sizeof(outResultData[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("outResult[%ld] is: %f\n", i, outResultData[i]);
}
// 6. 释放aclTensor和aclScalar,需要根据具体API的接口定义修改
aclDestroyTensor(self);
aclDestroyTensor(out);
// 7. 释放device资源,需要根据具体API的接口定义参数
aclrtFree(selfDeviceAddr);
aclrtFree(outDeviceAddr);
if (workspaceSize > 0) {
aclrtFree(workspaceAddr);
}
aclrtDestroyStream(stream);
aclrtDestroyContext(context);
aclrtResetDevice(deviceId);
aclFinalize();
return 0;
}
父主题: NN类算子接口
aclnnLogicalAnd
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 aclnnLogicalAndGetWorkspaceSize(const aclTensor *self, const aclTensor *other, aclTensor *out, uint64_t *workspaceSize, aclOpExecutor **executor)
- 第二段接口:aclnnStatus aclnnLogicalAnd(void *workspace, uint64_t workspaceSize, aclOpExecutor *executor, aclrtStream stream)
功能描述
算子功能:完成张量元素的逻辑与运算。当张量self和张量other为非BOOL类型时,0被视为False,非0被视为True。
aclnnLogicalAndGetWorkspaceSize
-
接口定义:
aclnnStatus aclnnLogicalAndGetWorkspaceSize(const aclTensor *self, const aclTensor *other, aclTensor *out, uint64_t *workspaceSize, aclOpExecutor **executor)
-
参数说明:
- self:Device侧的aclTensor,数据类型支持FLOAT、FLOAT16、DOUBLE、INT32、INT64、INT16、INT8、UINT8、BOOL、COMPLEX64、COMPLEX128,shape需要与other满足broadcast关系。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FLOAT、FLOAT16、DOUBLE、INT32、INT64、INT16、INT8、UINT8、BOOL、COMPLEX64、COMPLEX128,shape需要与self满足broadcast关系。支持非连续的Tensor,数据格式支持ND。
- out:Device侧的aclTensor,数据类型支持FLOAT、FLOAT16、DOUBLE、INT32、INT64、INT16、INT8、UINT8、BOOL、COMPLEX64、COMPLEX128,shape需要是self与other broadcast之后的shape。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self、other或out是空指针。
- 返回161002(ACLNN_ERR_PARAM_INVALID):
- self和other的数据类型和数据格式不在支持的范围内。
- self和other的shape无法做broadcast。 :::
aclnnLogicalAnd
-
接口定义:
aclnnStatus aclnnLogicalAnd(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aclnnLogicalAndGetWorkspaceSize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_logical_and.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
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};
std::vector<int64_t> outShape = {4, 2};
void* selfDeviceAddr = nullptr;
void* otherDeviceAddr = nullptr;
void* outDeviceAddr = nullptr;
aclTensor* self = nullptr;
aclTensor* other = nullptr;
aclTensor* out = nullptr;
std::vector<float> selfHostData = {0, 1, 2, 3, 4, 5, 0, 0};
std::vector<float> otherHostData = {1, 1, 1, 0, 2, 2, 3, 0};
std::vector<float> outHostData(8, 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_FLOAT, &other);
CHECK_RET(ret == ACL_SUCCESS, return ret);
// 创建out aclTensor
ret = CreateAclTensor(outHostData, outShape, &outDeviceAddr, aclDataType::ACL_FLOAT, &out);
CHECK_RET(ret == ACL_SUCCESS, return ret);
// 3. 调用CANN算子库API
uint64_t workspaceSize = 0;
aclOpExecutor* executor;
// 调用aclnnLogicalAnd第一段接口
ret = aclnnLogicalAndGetWorkspaceSize(self, other, out, &workspaceSize, &executor);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnLogicalAndGetWorkspaceSize 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aclnnLogicalAnd第二段接口
ret = aclnnLogicalAnd(workspaceAddr, workspaceSize, executor, stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnLogicalAnd 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
auto size = GetShapeSize(outShape);
std::vector<float> resultData(size, 0);
ret = aclrtMemcpy(resultData.data(), resultData.size() * sizeof(resultData[0]), outDeviceAddr,
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
aclDestroyTensor(self);
aclDestroyTensor(other);
aclDestroyTensor(out);
return 0;
}
父主题: NN类算子接口
aclnnLogicalNot/aclnnInplaceLogicalNot
接口原型
:::note 说明
-
aclnnLogicalNot和aclnnInplaceLogicalNot实现相同的功能,其使用区别如下,请根据自身实际场景选择合适的算子。
- aclnnLogicalNot:需新建一个输出张量对象存储计算结果。
- aclnnInplaceLogicalNot:无需新建输出张量对象,直接在输入张量的内存中存储计算结果。
-
每个算子分为两段接口,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。 :::
-
aclnnLogicalNot两段式接口如下:
- **第一段接口:**aclnnStatus aclnnLogicalNotGetWorkspaceSize(const aclTensor *self, aclTensor *out, uint64_t *workspaceSize, aclOpExecutor **executor)
- **第二段接口:**aclnnStatus aclnnLogicalNot(void *workspace, uint64_t workspaceSize, aclOpExecutor *executor,aclrtStream stream)
-
aclnnInplaceLogicalNot两段式接口如下:
- **第一段接口:**aclnnStatus aclnnInplaceLogicalNotGetWorkspaceSize(aclTensor *selfRef, uint64_t *workspaceSize, aclOpExecutor **executor)
- **第二段接口:**aclnnStatus aclnnInplaceLogicalNot(void *workspace, uint64_t workspaceSize, aclOpExecutor *executor, aclrtStream stream)
功能描述
算子功能:完成给定输入张量元素的逻辑非运算。如果未指定输出类型,输出Tensor默认BOOL类型。如果输入Tensor不是BOOL类型,则将0视为False,非0视为True。
aclnnLogicalNotGetWorkspaceSize
-
接口定义:
aclnnStatus aclnnLogicalNotGetWorkspaceSize(const aclTensor *self, aclTensor *out, uint64_t *workspaceSize, aclOpExecutor **executor)
-
参数说明:
- self:Device侧的aclTensor,输入张量,数据类型支持BOOL、UINT8、INT8、INT16、INT32、INT64、FLOAT、FLOAT16、DOUBLE,支持非连续的Tensor,数据格式支持ND。
- out:Device侧的aclTensor,输出张量,数据类型支持BOOL、UINT8、INT8、INT16、INT32、INT64、FLOAT、FLOAT16、DOUBLE,shape与self一致,支持非连续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self或out是空指针。
- 返回161002(ACLNN_ERR_PARAM_INVALID):
- self或out的数据类型不在支持的范围之内。
- self和out的shape不一致。 :::
aclnnLogicalNot
-
接口定义:
aclnnStatus aclnnLogicalNot(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aclnnLogicalNotGetWorkspaceSize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。
aclnnInplaceLogicalNotGetWorkspaceSize
-
接口定义:
aclnnStatus aclnnInplaceLogicalNotGetWorkspaceSize(aclTensor *selfRef, 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BOOL、UINT8、INT8、INT16、INT32、INT64、FLOAT、FLOAT16、DOUBLE,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是空指针。
- 返回161002(ACLNN_ERR_PARAM_INVALID):selfRef的数据类型不在支持的范围之内。 :::
aclnnInplaceLogicalNot
-
接口定义:
aclnnStatus aclnnInplaceLogicalNot(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aclnnInplaceLogicalNotGetWorkspaceSize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_logical_not.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的接口定义构造
std::vector<int64_t> selfShape = {3, 3};
std::vector<int64_t> outShape = {3, 3};
void* selfDeviceAddr = nullptr;
void* outDeviceAddr = nullptr;
aclTensor* self = nullptr;
aclTensor* out = nullptr;
std::vector<int> selfHostData = {0, 1, 0, 2, 0, 3, 4, 0, 0};
std::vector<int> outHostData ={0, 0, 0, 0, 0, 0, 0, 0, 0};
// 创建self aclTensor
ret = CreateAclTensor(selfHostData, selfShape, &selfDeviceAddr, aclDataType::ACL_INT32, &self);
CHECK_RET(ret == ACL_SUCCESS, return ret);
// 创建out aclTensor
ret = CreateAclTensor(outHostData, outShape, &outDeviceAddr, aclDataType::ACL_INT32, &out);
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aclnnLogicalNot第一段接口
ret = aclnnLogicalNotGetWorkspaceSize(self, out, &workspaceSize, &executor);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnLogicalNotGetWorkspaceSize 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aclnnLogicalNot第二段接口
ret = aclnnLogicalNot(workspaceAddr, workspaceSize, executor, stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnLogicalNot 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(outShape);
std::vector<int> resultData(size, 0);
ret = aclrtMemcpy(resultData.data(), resultData.size() * sizeof(resultData[0]), outDeviceAddr, size * sizeof(int),
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: %d\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);
aclDestroyTensor(out);
return 0;
}
父主题: NN类算子接口
aclnnLogicalOr
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 aclnnLogicalOrGetWorkspaceSize(const aclTensor *self, const aclTensor *other, aclTensor *out, uint64_t *workspaceSize, aclOpExecutor **executor)
- 第二段接口:aclnnStatus aclnnLogicalOr(void *workspace, uint64_t workspaceSize, aclOpExecutor *executor, aclrtStream stream)
功能描述
算子功能:完成张量元素的逻辑或运算。当张量self和张量other为非BOOL类型时,0被视为False,非0被视为True。
aclnnLogicalOrGetWorkspaceSize
-
接口定义:
aclnnStatus aclnnLogicalOrGetWorkspaceSize(const aclTensor *self, const aclTensor *other, aclTensor *out, uint64_t *workspaceSize, aclOpExecutor **executor)
-
参数说明:
- self:Device侧的aclTensor,数据类型支持FLOAT、FLOAT16、DOUBLE、INT32、INT64、INT16、INT8、UINT8、BOOL、COMPLEX64、COMPLEX128、BFLOAT16(仅Atlas A2训练系列产品支持),shape需要与other满足broadcast关系。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FLOAT、FLOAT16、DOUBLE、INT32、INT64、INT16、INT8、UINT8、BOOL、COMPLEX64、COMPLEX128、BFLOAT16(仅Atlas A2训练系列产品支持),shape需要与self满足broadcast关系。支持非连续的Tensor,数据格式支持ND。
- out:Device侧的aclTensor,数据类型支持FLOAT、FLOAT16、DOUBLE、INT32、INT64、INT16、INT8、UINT8、BOOL、COMPLEX64、COMPLEX128、BFLOAT16(仅Atlas A2训练系列产品支持),shape需要是self与other broadcast之后的shape。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。
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self、other或out是空指针。
- 返回161002(ACLNN_ERR_PARAM_INVALID):
- self和other的数据类型和数据格式不在支持的范围内。
- self和other的shape无法做broadcast。
aclnnLogicalOr
-
接口定义:
aclnnStatus aclnnLogicalOr(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aclnnLogicalOrGetWorkspaceSize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_logical_or.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
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};
std::vector<int64_t> outShape = {4, 2};
void* selfDeviceAddr = nullptr;
void* otherDeviceAddr = nullptr;
void* outDeviceAddr = nullptr;
aclTensor* self = nullptr;
aclTensor* other = nullptr;
aclTensor* out = nullptr;
std::vector<float> selfHostData = {0, 1, 2, 3, 0, 5, 0, 0};
std::vector<float> otherHostData = {1, 1, 1, 0, 0, 2, 3, 0};
std::vector<float> outHostData(8, 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_FLOAT, &other);
CHECK_RET(ret == ACL_SUCCESS, return ret);
// 创建out aclTensor
ret = CreateAclTensor(outHostData, outShape, &outDeviceAddr, aclDataType::ACL_FLOAT, &out);
CHECK_RET(ret == ACL_SUCCESS, return ret);
// 3. 调用CANN算子库API
uint64_t workspaceSize = 0;
aclOpExecutor* executor;
// 调用aclnnLogicalOr第一段接口
ret = aclnnLogicalOrGetWorkspaceSize(self, other, out, &workspaceSize, &executor);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnLogicalOrGetWorkspaceSize 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aclnnLogicalOr第二段接口
ret = aclnnLogicalOr(workspaceAddr, workspaceSize, executor, stream);
CHECK_RET(ret == ACL_SUCCESS, LOG_PRINT("aclnnLogicalOr 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
auto size = GetShapeSize(outShape);
std::vector<float> resultData(size, 0);
ret = aclrtMemcpy(resultData.data(), resultData.size() * sizeof(resultData[0]), outDeviceAddr,
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
aclDestroyTensor(self);
aclDestroyTensor(other);
aclDestroyTensor(out);
return 0;
}
父主题: NN类算子接口
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