FFT_3D

产品支持情况

产品 是否支持
Atlas 200I/500 A2 推理产品 ×
Atlas 推理系列产品 ×
Atlas 训练系列产品 ×
Atlas A3 训练系列产品/Atlas A3 推理系列产品
Atlas A2 训练系列产品/Atlas A2 推理系列产品
Ascend 950PR/Ascend 950DT ×

功能说明

  • 接口功能:
    asdFftMakePlan3D:初始化三维FFT配置。
    asdFftExecC2C:执行复数到复数的FFT变换。
    asdFftExecC2R:执行复数到实数的FFT变换。
    asdFftExecR2C:执行实数到复数的FFT变换。
    asdFftExecC2CSeparated:执行复数到复数的FFT变换,支持实部、虚部分开输入和输出。

  • 计算公式:
    设有一个三维离散信号:

    公式

    它的三维离散傅里叶变换定义为:
    公式

    其中:
    公式

函数原型

AspbStatus asdFftMakePlan3D(
  asdFftHandle            handle, 
  int64_t                 fftSizeX, 
  int64_t                 fftSizeY, 
  int64_t                 fftSizeZ, 
  asdFftType              fftType, 
  asdFftDirection         direction, 
  int32_t                 batchSize)
AspbStatus asdFftExecC2C(
  asdFftHandle            handle, 
  const aclTensor *       input, 
  const aclTensor *       output)
AspbStatus asdFftExecC2R(
  asdFftHandle            handle, 
  const aclTensor *       input, 
  const aclTensor *       output)
AspbStatus asdFftExecR2C(
  asdFftHandle            handle, 
  const aclTensor *       input, 
  const aclTensor *       output)
AspbStatus asdFftExecC2CSeparated(
  asdFftHandle             handle, 
  const aclTensor *        inputReal, 
  const aclTensor *        inputImag,
  const aclTensor *        outputReal, 
  const aclTensor *        outputImag)

asdFftMakePlan3D

  • 参数说明:

    参数名 输入/输出 描述
    handle(asdFftHandle) 输入 算子的句柄,需要手动申请创建asdFftHandle对象。
    fftSizeX(int64_t) 输入 对应公式中的'Nx',FFT信号长度(第一维)。
    fftSizeY(int64_t) 输入 对应公式中的'Ny',FFT信号长度(第二维)。
    fftSizeZ(int64_t) 输入 对应公式中的'Nz',FFT信号长度(第三维)。
    fftType(asdFftType) 输入 FFT变换类型
    • ASCEND_FFT_C2C:复数到复数的快速傅里叶变换。
    • ASCEND_FFT_C2R:复数到实数的快速傅里叶变换。
    • ASCEND_FFT_R2C:实数到复数的快速傅里叶变换。
    • ASCEND_FFT_C2C_SEP:复数到复数的分离式快速傅里叶变换。
    direction(asdFftDirection) 输入 选择FFT执行正向变换或反向变换
    • ASCEND_FFT_FORWARD:正向快速傅里叶变换。
    • ASCEND_FFT_INVERSE:逆向快速傅里叶变换。
    batchSize(int32_t) 输入 FFT变换批处理操作中的数据批次数量。
  • 返回值

    返回状态码,具体参见SiP返回码

asdFftExecC2C

  • 参数说明:

    参数名 输入/输出 描述
    handle(asdFftHandle) 输入 算子的句柄,需要手动申请创建asdFftHandle对象。
    inData( aclTensor *) 输入
    • 对应公式中的'x'。
    • 数据类型支持COMPLEX64。
    • 数据格式支持ND。
    • 输入的shape为(batchSize,fftSizeX,fftSizeY,fftSizeZ)。
    outData(aclTensor *) 输出
    • 对应公式中的'y'。
    • 数据类型支持COMPLEX64。
    • 数据格式支持ND。
    • 输出的shape为(batchSize,fftSizeX,fftSizeY,fftSizeZ)。
  • 返回值

    返回状态码,具体参见SiP返回码

asdFftExecC2R

  • 参数说明:

    参数名 输入/输出 描述
    handle(asdFftHandle) 输入 算子的句柄,需要手动申请创建asdFftHandle对象。
    inData( aclTensor *) 输入
    • 对应公式中的'x'。
    • 数据类型支持COMPLEX64。
    • 数据格式支持ND。
    • 输入的shape为(batchSize,fftSizeX,fftSizeY,fftSizeZ/2+1)。
    outData(aclTensor *) 输出
    • 对应公式中的'y'。
    • 数据类型支持FLOAT32。
    • 数据格式支持ND。
    • 输出的shape为(batchSize,fftSizeX,fftSizeY,fftSizeZ)。
  • 返回值

    返回状态码,具体参见SiP返回码

asdFftExecR2C

  • 参数说明:

    参数名 输入/输出 描述
    handle(asdFftHandle) 输入 算子的句柄,需要手动申请创建asdFftHandle对象。
    inData( aclTensor *) 输入
    • 对应公式中的'x'。
    • 数据类型支持FLOAT32。
    • 数据格式支持ND。
    • 输入的shape为(batchSize,fftSizeX,fftSizeY,fftSizeZ)。
    outData(aclTensor *) 输出
    • 对应公式中的'y'。
    • 数据类型支持COMPLEX64。
    • 数据格式支持ND。
    • 输出的shape为(batchSize,fftSizeX,fftSizeY,fftSizeZ/2+1)。
  • 返回值

    返回状态码,具体参见SiP返回码

asdFftExecC2CSeparated

  • 参数说明:

    参数名 输入/输出 描述
    handle(asdFftHandle) 输入 算子的句柄,需要手动申请创建asdFftHandle对象。
    inputReal( aclTensor *) 输入
    • 公式中的'x'的实部。
    • 数据类型支持FLOAT32。
    • 数据格式支持ND。
    • 输入的shape为(batchSize,fftSize)。
    inputImag(aclTensor *) 输入
    • 公式中的'x'的虚部。
    • 数据类型支持FLOAT32。
    • 数据格式支持ND。
    • 输入的shape为(batchSize,fftSize)。
    outputReal(aclTensor *) 输出
    • 公式中的'y'的实部。
    • 数据类型支持FLOAT32。
    • 数据格式支持ND。
    • 输出的shape为(batchSize,fftSize)。
    outputImag(aclTensor *) 输出
    • 公式中的'y'的虚部。
    • 数据类型支持FLOAT32。
    • 数据格式支持ND。
    • 输出的shape为(batchSize,fftSize)。
  • 返回值

    返回状态码,具体参见SiP返回码

约束说明

  • asdFftMakePlan3D
    • fftSizeX、fftSizeY、fftSizeZ需保证不超过2272^{27}且分解质因数后不包含超过199的质因子。
    • batchSize在存储允许范围内应无额外约束。
    • 输入的元素个数理论支持[1,2302^{30}]。
    • 输入的元素不支持inf、-inf和nan,如果输入中包含这些值,那么结果为未定义。
  • asdFftExecC2CSeparated 信号长度范围[2, 256]。

调用示例

示例代码如下,该样例旨在提供快速上手、开发和调试算子的最小化实现,其核心目标是使用最精简的代码展示算子的核心功能,而非提供生产级的安全保障。不推荐用户直接将示例代码作为业务代码,若用户将示例代码应用在自身的真实业务场景中且发生了安全问题,则需用户自行承担。

  • C2C_3D
#include <iostream>
#include <vector>
#include "asdsip.h"
#include "acl/acl.h"
#include "aclnn/acl_meta.h"
using namespace AsdSip;

#define CHECK_RET(cond, return_expr) \
    do {                             \
        if (!(cond)) {               \
            return_expr;             \
        }                            \
    } while (0)

#define LOG_PRINT(message, ...)         \
    do {                                \
        printf(message, ##__VA_ARGS__); \
    } while (0)

#define ASD_STATUS_CHECK(err)                                                \
    do {                                                                     \
        AsdSip::AspbStatus err_ = (err);                                     \
        if (err_ != AsdSip::ErrorType::ACL_SUCCESS) {                                      \
            std::cout << "Execute failed." << std::endl; \
            exit(-1);                                                        \
        }                                                                    \
    } 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, 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 = 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侧数据复制到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() {
    int32_t deviceId = 0;
    aclrtStream stream;
    auto ret = Init(deviceId, &stream);
    CHECK_RET(ret == ::ACL_SUCCESS, LOG_PRINT("Init acl failed. ERROR: %d\n", ret); return ret);

    // 创造tensor的Host侧数据
    int batch = 1, Nfft1 = 256, Nfft2 = 64, Nfft3 = 64;
    const int64_t tensorInSize = batch * Nfft1 * Nfft2 * Nfft3;
    std::vector<int64_t> selfShape = {batch, Nfft1, Nfft2, Nfft3};
    std::vector<int64_t> outShape = {batch, Nfft1, Nfft2, Nfft3};

    std::vector<std::complex<float>> inputHostData(tensorInSize, std::complex<float>(0, 0));
    for (int i = 0; i < tensorInSize; i++) {
        inputHostData[i] = std::complex<float>(i, i + 1);
    }
    std::vector<std::complex<float>> outHostData(tensorInSize, std::complex<float>(0, 0));

    void *inputDeviceAddr = nullptr;
    void *outDeviceAddr = nullptr;
    aclTensor *input = nullptr;
    aclTensor *out = nullptr;
    ret = CreateAclTensor(inputHostData, selfShape, &inputDeviceAddr, aclDataType::ACL_COMPLEX64, &input);
    CHECK_RET(ret == ::ACL_SUCCESS, return ret);
    ret = CreateAclTensor(outHostData, outShape, &outDeviceAddr, aclDataType::ACL_COMPLEX64, &out);
    CHECK_RET(ret == ::ACL_SUCCESS, return ret);

    asdFftHandle handle;
    asdFftCreate(handle);

    asdFftMakePlan3D(handle, Nfft1, Nfft2, Nfft3, asdFftType::ASCEND_FFT_C2C, asdFftDirection::ASCEND_FFT_FORWARD, batch);

    size_t work_size;
    asdFftGetWorkspaceSize(handle, work_size);
    void *workspaceAddr = nullptr;
    if (work_size > 0) {
        ret = aclrtMalloc(&workspaceAddr, static_cast<int64_t>(work_size), ACL_MEM_MALLOC_HUGE_FIRST);
        CHECK_RET(ret == ::ACL_SUCCESS, LOG_PRINT("allocate workspace failed. ERROR: %d\n", ret); return ret);
    }
    asdFftSetWorkspace(handle, (uint8_t *)workspaceAddr);

    asdFftSetStream(handle, stream);
    ASD_STATUS_CHECK(asdFftExecC2C(handle, input, out));

    ret = aclrtSynchronizeStream(stream);
    CHECK_RET(ret == ::ACL_SUCCESS, LOG_PRINT("aclrtSynchronizeStream failed. ERROR: %d\n", ret); return ret);

    asdFftDestroy(handle);

    auto size = GetShapeSize(outShape);
    std::vector<std::complex<float>> outData(size, 0);
    ret = aclrtMemcpy(outData.data(),
        outData.size() * sizeof(outData[0]),
        outDeviceAddr,
        size * sizeof(outData[0]),
        ACL_MEMCPY_DEVICE_TO_HOST);

    // 打印输出tensor值中前16个
    for (int64_t i = 0; i < std::min(static_cast<int64_t>(16), tensorInSize); i++) {
        std::cout << static_cast<std::complex<float>>(outData[i]) << "\t";
    }

    std::cout << "\nend result" << std::endl;
    std::cout << "Execute successfully." << std::endl;

    aclDestroyTensor(input);
    aclDestroyTensor(out);
    aclrtFree(inputDeviceAddr);
    aclrtFree(outDeviceAddr);
    if (work_size > 0) {
        aclrtFree(workspaceAddr);
    }
    aclrtDestroyStream(stream);
    aclrtResetDevice(deviceId);
    aclFinalize();
    return 0;
}
  • C2R_3D
#include <iostream>
#include <vector>
#include "asdsip.h"
#include "acl/acl.h"
#include "aclnn/acl_meta.h"
using namespace AsdSip;

#define CHECK_RET(cond, return_expr) \
    do {                             \
        if (!(cond)) {               \
            return_expr;             \
        }                            \
    } while (0)

#define LOG_PRINT(message, ...)         \
    do {                                \
        printf(message, ##__VA_ARGS__); \
    } while (0)

#define ASD_STATUS_CHECK(err)                                                \
    do {                                                                     \
        AsdSip::AspbStatus err_ = (err);                                     \
        if (err_ != AsdSip::ErrorType::ACL_SUCCESS) {                                      \
            std::cout << "Execute failed." << std::endl; \
            exit(-1);                                                        \
        }                                                                    \
    } 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, 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 = 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侧数据复制到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()
{
    int32_t deviceId = 0;
    aclrtStream stream;
    auto ret = Init(deviceId, &stream);
    CHECK_RET(ret == ::ACL_SUCCESS, LOG_PRINT("Init acl failed. ERROR: %d\n", ret); return ret);

    // 创造tensor的Host侧数据
    int batch = 2, Nfft1 = 2, Nfft2 = 128, Nfft3 = 128;
    const int64_t inSignal = Nfft3 / 2 + 1;
    const int64_t outSignal = Nfft3;
    const int64_t tensorInSize = batch * Nfft1 * Nfft2 * inSignal;
    const int64_t tensorOutSize = batch * Nfft1 * Nfft2 * outSignal;
    std::vector<int64_t> selfShape = {batch, Nfft1, Nfft2, inSignal};
    std::vector<int64_t> outShape = {batch, Nfft1, Nfft2, outSignal};
    std::vector<std::complex<float>> inputHostData(tensorInSize, std::complex<float>(0, 0));
    for (int i = 0; i < tensorInSize; i++) {
        inputHostData[i] = std::complex<float>(i, i + 1);
    }
    std::vector<float> outHostData(tensorOutSize, 0);
    void *inputDeviceAddr = nullptr;
    void *outDeviceAddr = nullptr;
    aclTensor *input = nullptr;
    aclTensor *out = nullptr;
    ret = CreateAclTensor(inputHostData, selfShape, &inputDeviceAddr, aclDataType::ACL_COMPLEX64, &input);
    CHECK_RET(ret == ::ACL_SUCCESS, return ret);
    ret = CreateAclTensor(outHostData, outShape, &outDeviceAddr, aclDataType::ACL_FLOAT, &out);
    CHECK_RET(ret == ::ACL_SUCCESS, return ret);
    asdFftHandle handle;
    asdFftCreate(handle);

    asdFftMakePlan3D(handle, Nfft1, Nfft2, Nfft3, asdFftType::ASCEND_FFT_C2R, asdFftDirection::ASCEND_FFT_FORWARD, batch);

    size_t work_size;
    asdFftGetWorkspaceSize(handle, work_size);
    void *workspaceAddr = nullptr;
    if (work_size > 0) {
        ret = aclrtMalloc(&workspaceAddr, static_cast<int64_t>(work_size), ACL_MEM_MALLOC_HUGE_FIRST);
        CHECK_RET(ret == ::ACL_SUCCESS, LOG_PRINT("allocate workspace failed. ERROR: %d\n", ret); return ret);
    }
    asdFftSetWorkspace(handle, (uint8_t *)workspaceAddr);

    asdFftSetStream(handle, stream);
    ASD_STATUS_CHECK(asdFftExecC2R(handle, input, out));

    ret = aclrtSynchronizeStream(stream);
    CHECK_RET(ret == ::ACL_SUCCESS, LOG_PRINT("aclrtSynchronizeStream failed. ERROR: %d\n", ret); return ret);

    asdFftDestroy(handle);

    auto size = GetShapeSize(outShape);
    std::vector<float> outData(size, 0);
    ret = aclrtMemcpy(outData.data(),
        outData.size() * sizeof(outData[0]),
        outDeviceAddr,
        size * sizeof(outData[0]),
        ACL_MEMCPY_DEVICE_TO_HOST);

    // 打印输出tensor值中前16个
    for (int64_t i = 0; i < std::min(static_cast<int64_t>(16), tensorOutSize); i++) {
        std::cout << static_cast<float>(outData[i]) << "\t";
    }

    std::cout << "\nend result" << std::endl;
    std::cout << "Execute successfully." << std::endl;

    aclDestroyTensor(input);
    aclDestroyTensor(out);
    aclrtFree(inputDeviceAddr);
    aclrtFree(outDeviceAddr);
    if (work_size > 0) {
        aclrtFree(workspaceAddr);
    }
    aclrtDestroyStream(stream);
    aclrtResetDevice(deviceId);
    aclFinalize();
    return 0;
}
  • R2C_3D
#include <iostream>
#include <vector>
#include "asdsip.h"
#include "acl/acl.h"
#include "aclnn/acl_meta.h"
using namespace AsdSip;

#define CHECK_RET(cond, return_expr) \
    do {                             \
        if (!(cond)) {               \
            return_expr;             \
        }                            \
    } while (0)

#define LOG_PRINT(message, ...)         \
    do {                                \
        printf(message, ##__VA_ARGS__); \
    } while (0)

#define ASD_STATUS_CHECK(err)                                                \
    do {                                                                     \
        AsdSip::AspbStatus err_ = (err);                                     \
        if (err_ != AsdSip::ErrorType::ACL_SUCCESS) {                                      \
            std::cout << "Execute failed." << std::endl; \
            exit(-1);                                                        \
        }                                                                    \
    } 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, 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 = 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侧数据复制到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()
{
    int32_t deviceId = 0;
    aclrtStream stream;
    auto ret = Init(deviceId, &stream);
    CHECK_RET(ret == ::ACL_SUCCESS, LOG_PRINT("Init acl failed. ERROR: %d\n", ret); return ret);

    // 创造tensor的Host侧数据
    int batch = 1, Nfft1 = 1, Nfft2 = 64, Nfft3 = 32;
    const int64_t tensorInSize = batch * Nfft1 * Nfft2 * Nfft3;
    const int64_t tensorOutSize = batch * Nfft1 * Nfft2 * (Nfft3 / 2 + 1);
    std::vector<int64_t> selfShape = {batch, Nfft1, Nfft2, Nfft3};
    std::vector<int64_t> outShape = {batch, Nfft1, Nfft2, Nfft3 / 2 + 1};

    std::vector<float> inputHostData(tensorInSize, 0);
    for (int i = 0; i < tensorInSize; i++) {
        inputHostData[i] = i;
    }
    std::vector<std::complex<float>> outHostData(tensorInSize, std::complex<float>(0, 0));

    void *inputDeviceAddr = nullptr;
    void *outDeviceAddr = nullptr;
    aclTensor *input = nullptr;
    aclTensor *out = nullptr;
    ret = CreateAclTensor(inputHostData, selfShape, &inputDeviceAddr, aclDataType::ACL_FLOAT, &input);
    CHECK_RET(ret == ::ACL_SUCCESS, return ret);
    ret = CreateAclTensor(outHostData, outShape, &outDeviceAddr, aclDataType::ACL_COMPLEX64, &out);
    CHECK_RET(ret == ::ACL_SUCCESS, return ret);

    asdFftHandle handle;
    asdFftCreate(handle);

    asdFftMakePlan3D(handle, Nfft1, Nfft2, Nfft3, asdFftType::ASCEND_FFT_R2C, asdFftDirection::ASCEND_FFT_FORWARD, batch);

    size_t work_size;
    asdFftGetWorkspaceSize(handle, work_size);
    void *workspaceAddr = nullptr;
    if (work_size > 0) {
        ret = aclrtMalloc(&workspaceAddr, static_cast<int64_t>(work_size), ACL_MEM_MALLOC_HUGE_FIRST);
        CHECK_RET(ret == ::ACL_SUCCESS, LOG_PRINT("allocate workspace failed. ERROR: %d\n", ret); return ret);
    }
    asdFftSetWorkspace(handle, (uint8_t *)workspaceAddr);

    asdFftSetStream(handle, stream);
    ASD_STATUS_CHECK(asdFftExecR2C(handle, input, out));

    ret = aclrtSynchronizeStream(stream);
    CHECK_RET(ret == ::ACL_SUCCESS, LOG_PRINT("aclrtSynchronizeStream failed. ERROR: %d\n", ret); return ret);

    asdFftDestroy(handle);

    auto size = GetShapeSize(outShape);
    std::vector<std::complex<float>> outData(size, 0);
    ret = aclrtMemcpy(outData.data(),
        outData.size() * sizeof(outData[0]),
        outDeviceAddr,
        size * sizeof(outData[0]),
        ACL_MEMCPY_DEVICE_TO_HOST);

    // 打印输出tensor值中前16个
    for (int64_t i = 0; i < std::min(static_cast<int64_t>(16), tensorOutSize); i++) {
        std::cout << static_cast<std::complex<float>>(outData[i]) << "\t";
    }

    std::cout << "\nend result" << std::endl;
    std::cout << "Execute successfully." << std::endl;

    aclDestroyTensor(input);
    aclDestroyTensor(out);
    aclrtFree(inputDeviceAddr);
    aclrtFree(outDeviceAddr);
    if (work_size > 0) {
        aclrtFree(workspaceAddr);
    }
    aclrtDestroyStream(stream);
    aclrtResetDevice(deviceId);
    aclFinalize();
    return 0;
}
  • C2C_3D_SEP
#include <iostream>
#include <fstream>
#include <random>
#include <vector>
#include "asdsip.h"
#include "acl/acl.h"
#include "aclnn/acl_meta.h"
using namespace AsdSip;

#define CHECK_RET(cond, return_expr) \
    do {                             \
        if (!(cond)) {               \
            return_expr;             \
        }                            \
    } while (0)

#define LOG_PRINT(message, ...)         \
    do {                                \
        printf(message, ##__VA_ARGS__); \
    } while (0)

#define ASD_STATUS_CHECK(err)                                                \
    do {                                                                     \
        AsdSip::AspbStatus err_ = (err);                                     \
        if (err_ != AsdSip::ErrorType::ACL_SUCCESS) {                                      \
            std::cout << "Execute failed." << std::endl; \
            exit(-1);                                                        \
        }                                                                    \
    } 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, 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 = 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侧数据复制到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()
{
    int32_t deviceId = 0;
    aclrtStream stream;
    auto ret = Init(deviceId, &stream);
    CHECK_RET(ret == ::ACL_SUCCESS, LOG_PRINT("Init acl failed. ERROR: %d\n", ret); return ret);

    // 创造tensor的Host侧数据
    // int batch = 2, Nfft1 = 256, Nfft2 = 256, Nfft3 = 256; // core dd
    int batch = 2, Nfft1 = 4, Nfft2 = 4, Nfft3 = 4; // core dd
    // int batch = 32, Nfft = 256;  // c2c dft
    // int batch = 32, Nfft = 8192; // c2c fftb
    // int batch = 32, Nfft = 15000; // c2c mixed
    // int batch = 32, Nfft = 32768; // c2c fftn
    // int batch = 32, Nfft = 199 * 199;  // core any
    const int64_t tensorInSize = batch * Nfft1 * Nfft2 * Nfft3;
    std::vector<int64_t> selfShape = {batch, Nfft1, Nfft2, Nfft3};
    std::vector<int64_t> outShape = {batch, Nfft1, Nfft2, Nfft3};

    std::vector<float> inputRealHostData(tensorInSize, 0);
    std::vector<float> inputImagHostData(tensorInSize, 0);
    std::vector<float> outputRealHostData(tensorInSize, 0);
    std::vector<float> outputImagHostData(tensorInSize, 0);

    std::random_device rd;
    std::mt19937 gen(rd());
    std::uniform_real_distribution<float> dis(0.0f, 1.0f);

    for (int i = 0; i < tensorInSize; i++) {
        inputRealHostData[i] = dis(gen);
        inputImagHostData[i] = dis(gen);
    }

    void *inputRealDeviceAddr = nullptr;
    void *inputImagDeviceAddr = nullptr;
    void *outputRealDeviceAddr = nullptr;
    void *outputImagDeviceAddr = nullptr;

    aclTensor *inputReal = nullptr;
    aclTensor *inputImag = nullptr;
    aclTensor *outputReal = nullptr;
    aclTensor *outputImag = nullptr;

    ret = CreateAclTensor(inputRealHostData, selfShape, &inputRealDeviceAddr, aclDataType::ACL_FLOAT, &inputReal);
    CHECK_RET(ret == ::ACL_SUCCESS, return ret);
    ret = CreateAclTensor(inputImagHostData, selfShape, &inputImagDeviceAddr, aclDataType::ACL_FLOAT, &inputImag);
    CHECK_RET(ret == ::ACL_SUCCESS, return ret);

    ret = CreateAclTensor(outputRealHostData, outShape, &outputRealDeviceAddr, aclDataType::ACL_FLOAT, &outputReal);
    CHECK_RET(ret == ::ACL_SUCCESS, return ret);
    ret = CreateAclTensor(outputImagHostData, outShape, &outputImagDeviceAddr, aclDataType::ACL_FLOAT, &outputImag);
    CHECK_RET(ret == ::ACL_SUCCESS, return ret);

    asdFftHandle handle;
    asdFftCreate(handle);

    asdFftMakePlan3D(handle, Nfft1, Nfft2, Nfft3, asdFftType::ASCEND_FFT_C2C_SEP, asdFftDirection::ASCEND_FFT_FORWARD, batch);

    size_t work_size;
    asdFftGetWorkspaceSize(handle, work_size);
    void *workspaceAddr = nullptr;
    if (work_size > 0) {
        ret = aclrtMalloc(&workspaceAddr, static_cast<int64_t>(work_size), ACL_MEM_MALLOC_HUGE_FIRST);
        CHECK_RET(ret == ::ACL_SUCCESS, LOG_PRINT("allocate workspace failed. ERROR: %d\n", ret); return ret);
    }
    asdFftSetWorkspace(handle, (uint8_t *)workspaceAddr);

    asdFftSetStream(handle, stream);
    ASD_STATUS_CHECK(asdFftExecC2CSeparated(handle, inputReal, inputImag, outputReal, outputImag));

    ret = aclrtSynchronizeStream(stream);
    CHECK_RET(ret == ::ACL_SUCCESS, LOG_PRINT("aclrtSynchronizeStream failed. ERROR: %d\n", ret); return ret);

    asdFftDestroy(handle);

    auto size = GetShapeSize(outShape);
    std::vector<float> outRealData(size, 0);
    std::vector<float> outImagData(size, 0);
    std::vector<float> workspaceData(size * 2, -1);

    ret = aclrtMemcpy(outRealData.data(),
        outRealData.size() * sizeof(outRealData[0]),
        outputRealDeviceAddr,
        size * sizeof(outRealData[0]),
        ACL_MEMCPY_DEVICE_TO_HOST);

    ret = aclrtMemcpy(outImagData.data(),
        outImagData.size() * sizeof(outImagData[0]),
        outputImagDeviceAddr,
        size * sizeof(outImagData[0]),
        ACL_MEMCPY_DEVICE_TO_HOST);

    ret = aclrtMemcpy(workspaceData.data(),
        workspaceData.size() * sizeof(workspaceData[0]),
        workspaceAddr,
        workspaceData.size() * sizeof(workspaceData[0]),
        ACL_MEMCPY_DEVICE_TO_HOST);

    // 打印输出tensor值中前16个
    std::cout << "real part:" << std::endl;
    for (int64_t i = 0; i < size; i++) {
        std::cout << static_cast<float>(outRealData[i]) << "\t";
    }

    std::cout << "\nimag part:" << std::endl;
    for (int64_t i = 0; i < size; i++) {
        std::cout << static_cast<float>(outImagData[i]) << "\t";
    }

    std::cout << "\nworkspace real part:" << std::endl;
    for (int64_t i = 0; i < size; i++) {
        std::cout << static_cast<float>(workspaceData[i]) << "\t";
    }

    std::cout << "\nworkspace imag part:" << std::endl;
    for (int64_t i = 0; i < size; i++) {
        std::cout << static_cast<float>(workspaceData[i + size]) << "\t";
    }

    std::cout << "\nend result" << std::endl;
    std::cout << "Execute successfully." << std::endl;

    aclDestroyTensor(inputReal);
    aclDestroyTensor(inputImag);
    aclDestroyTensor(outputReal);
    aclDestroyTensor(outputImag);
    aclrtFree(inputRealDeviceAddr);
    aclrtFree(inputImagDeviceAddr);
    aclrtFree(outputRealDeviceAddr);
    aclrtFree(outputImagDeviceAddr);
    if (work_size > 0) {
        aclrtFree(workspaceAddr);
    }
    aclrtDestroyStream(stream);
    aclrtResetDevice(deviceId);
    aclFinalize();
    return 0;
}