MulAddDst

产 品 支 持 情 况

产 品	是 否 支 持
Ascend 950PR/Ascend 950DT	√
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	√
Atlas 200I/500 A2 推 理 产 品	√
Atlas 推 理 系 列 产 品AI Core	√
Atlas 推 理 系 列 产 品Vector Core	x
Atlas 训 练 系 列 产 品	x
Kirin X90	√
Kirin 9030	√

功 能 说 明

头 文 件 路 径 为："basic_api/kernel_operator_vec_binary_intf.h"。

按 元 素 将src0和src1相 乘 并 和dst相 加，将 最 终 结 果 存 放 进dst中。计 算 公 式 如 下：

$$ dst_j = (src0_i * src1_i) + dst_i $$

函 数 原 型

• tensor前n个 数 据 计 算

  C++

  template <typename T, typename U>
  __aicore__ inline void MulAddDst(const LocalTensor<T>& dst, const LocalTensor<U>& src0, const LocalTensor<U>& src1, const int32_t& count)
  

• tensor高 维 切 分 计 算

  • mask逐bit模 式

    C++

    template <typename T, typename U, bool isSetMask = true>
    __aicore__ inline void MulAddDst(const LocalTensor<T>& dst, const LocalTensor<U>& src0,const LocalTensor<U>& src1, const uint64_t mask[], const uint8_t repeatTime, const BinaryRepeatParams& repeatParams)
    

  • mask连 续 模 式

    C++

    template <typename T, typename U, bool isSetMask = true>
    __aicore__ inline void MulAddDst(const LocalTensor<T>& dst, const LocalTensor<U>& src0,const LocalTensor<U>& src1, uint64_t mask, const uint8_t repeatTime, const BinaryRepeatParams& repeatParams)
    

参 数 说 明

表 模 板 参 数 说 明

参 数 名	描 述
T	目 的 操 作 数 数 据 类 型。目 的 操 作 数 和 源 操 作 数 的 数 据 类 型 约 束 请 参 考数 据 类 型 约 束。
U	源 操 作 数 数 据 类 型。
isSetMask	是 否 在 接 口 内 部 设 置mask。 • true，表 示 在 接 口 内 部 设 置mask。 • false，表 示 在 接 口 外 部 设 置mask，开 发 者 需 要 使 用SetVectorMask接 口 设 置mask值。这 种 模 式 下，接 口 入 参 中 的mask值 设 置 为 占 位 符MASK_PLACEHOLDER。

表 参 数 说 明

参 数 名	输 入/输 出	描 述
dst	输 出	目 的 操 作 数。 类 型 为LocalTensor，支 持 的TPosition为VECIN/VECCALC/VECOUT。
src0、src1	输 入	源 操 作 数。源 操 作 数 数 据 类 型 和 目 的 操 作 数 数 据 类 型 可 以 不 一 致。 类 型 为LocalTensor，支 持 的TPosition为VECIN/VECCALC/VECOUT。
count	输 入	参 与 计 算 的 元 素 个 数。关 于 该 参 数 的 具 体 说 明 请 参 考连 续 计 算。
mask[]/mask	输 入	mask用 于 控 制 每 次 迭 代 内 参 与 计 算 的 元 素。设 置 详 见掩 码 操 作。
repeatTime	输 入	重 复 迭 代 次 数。矢 量 计 算 单 元，每 次 读 取 连 续 的256Bytes数 据 进 行 计 算，为 完 成 对 输 入 数 据 的 处 理，必 须 通 过 多 次 迭 代（repeat）才 能 完 成 所 有 数 据 的 读 取 与 计 算。repeatTime表 示 迭 代 的 次 数。 关 于 该 参 数 的 具 体 描 述 请 参 考高 维 切 分。
repeatParams	输 入	控 制 操 作 数 地 址 步 长 的 参 数。BinaryRepeatParams类 型，包 含 操 作 数 相 邻 迭 代 间 相 同datablock的 地 址 步 长，操 作 数 同 一 迭 代 内 不 同datablock的 地 址 步 长 等 参 数。 相 邻 迭 代 间 的 地 址 步 长 参 数 说 明 请 参 考repeatStride；同 一 迭 代 内DataBlock的 地 址 步 长 参 数 说 明 请 参 考dataBlockStride。

数 据 类 型

PAR列 表 示 矢 量 计 算 单 元 一 个 迭 代 能 够 处 理 的 元 素 个 数。

表 Ascend 950PR/Ascend 950DT支 持 的 数 据 类 型 约 束

src0数 据 类 型	src1数 据 类 型	dst数 据 类 型	PAR
half	half	half	128
float	float	float	64
half	half	float	64
int64_t	int64_t	int64_t	32
uint64_t	uint64_t	uint64_t	32

表 Atlas A3 训 练 系 列 产 品/Atlas A3 推 理 系 列 产 品 支 持 的 数 据 类 型 约 束

src0数 据 类 型	src1数 据 类 型	dst数 据 类 型	PAR
half	half	half	128
float	float	float	64
half	half	float	64

表 Atlas A2 训 练 系 列 产 品/Atlas A2 推 理 系 列 产 品 支 持 的 数 据 类 型 约 束

src0数 据 类 型	src1数 据 类 型	dst数 据 类 型	PAR
half	half	half	128
float	float	float	64
half	half	float	64

表 Atlas 200I/500 A2 推 理 产 品 支 持 的 数 据 类 型 约 束

src0数 据 类 型	src1数 据 类 型	dst数 据 类 型	PAR
half	half	half	128
float	float	float	64
int16_t	int16_t	int16_t	128
uint16_t	uint16_t	uint16_t	128
int32_t	int32_t	int32_t	64
uint32_t	uint32_t	uint32_t	64

表 Atlas 推 理 系 列 产 品AI Core支 持 的 数 据 类 型 约 束

src0数 据 类 型	src1数 据 类 型	dst数 据 类 型	PAR
half	half	half	128
float	float	float	64
half	half	float	64

表 Kirin X90支 持 的 数 据 类 型 约 束

src0数 据 类 型	src1数 据 类 型	dst数 据 类 型	PAR
half	half	half	128
float	float	float	64
half	half	float	64

表 Kirin 9030支 持 的 数 据 类 型 约 束

src0数 据 类 型	src1数 据 类 型	dst数 据 类 型	PAR
half	half	half	128
float	float	float	64
half	half	float	64

返 回 值 说 明

无

约 束 说 明

• 地 址 对 齐 约 束 参 考地 址 对 齐 约 束。
• 操 作 数 地 址 重 叠 约 束 请 参 考地 址 重 叠 约 束。
• 源 操 作 数 的 数 据 类 型 为half、目 的 操 作 数 的 数 据 类 型 为float的 情 况 下，不 支 持 地 址 重 叠。
• MulAddDst指 令 实 际 使 用 会 受 到bank冲 突影 响。
  地 址 不 重 叠 场 景 下，无 法 在 一 拍 读 取dst、src0、src1三 块 不 同 地 址 下 的 数 据，因 此 只 能 达 到 一 半 的 理 论 并 行 度，理 论 并 行 度 将 在 原 有 基 础 上 减 半；在 地 址 重 叠 场 景 下，则 保 持 原 有 理 论 并 行 度。
• 使 用tensor高 维 切 分 计 算 接 口 时，src和scalar的 数 据 类 型 为half、dst的 数 据 类 型 为float的 情 况 下，一 个 迭 代 处 理 内 最 多 处 理64个 输 入 数 据。
• 针 对Ascend 950PR/Ascend 950DT，int64_t、uint64_t数 据 类 型 仅 支 持tensor前n个 数 据 计 算 接 口。

调 用 示 例

• 高 维 切 分 计 算 接 口 样 例-mask连 续 模 式（源 操 作 数 的 数 据 类 型 为half、目 的 操 作 数 的 数 据 类 型 为float）

  C++

  uint64_t mask = 64;
  // repeatTime = 4，一 次 迭 代 计 算64个 数，共 计 算256个 数
  // dstBlkStride, src0BlkStride, src1BlkStride = 1，单 次 迭 代 内 数 据 连 续 读 取 和 写 入
  // dstRepStride = 8，src0RepStride, src1RepStride = 4，相 邻 迭 代 间 数 据 连 续 读 取 和 写 入
  AscendC::MulAddDst(dstLocal, src0Local, src1Local, mask, 4, { 1, 1, 1, 8, 4, 4 });
  

• 高 维 切 分 计 算 接 口 样 例-mask逐bit模 式（源 操 作 数 的 数 据 类 型 为half、目 的 操 作 数 的 数 据 类 型 为float）

  C++

  uint64_t mask[2] = { UINT64_MAX, 0 };
  // repeatTime = 4，一 次 迭 代 计 算64个 数，共 计 算256个 数
  // dstBlkStride, src0BlkStride, src1BlkStride = 1，单 次 迭 代 内 数 据 连 续 读 取 和 写 入
  // dstRepStride = 8，src0RepStride, src1RepStride = 4，相 邻 迭 代 间 数 据 连 续 读 取 和 写 入
  AscendC::MulAddDst(dstLocal, src0Local, src1Local, mask, 4, { 1, 1, 1, 8, 4, 4 });
  

• tensor前n个 数 据 计 算 样 例（源 操 作 数 的 数 据 类 型 为half、目 的 操 作 数 的 数 据 类 型 为float）

  C++

  AscendC::MulAddDst(dstLocal, src0Local, src1Local, 256);
  

结 果 示 例 如 下：

输 入 数 据src0Local：
[-83.     58.2   -14.28  -43.12   20.72  -79.9    54.16   31.56   -1.464
  68.25  -28.31  -93.5    -4.2   -46.56  -22.23   78.5   -69.56  -37.03
 -53.12   58.28  -71.56  -34.44   85.94   96.3    66.06   99.94  -45.94
   8.75  -93.9    35.56   82.56  -70.8   -68.75  -35.4    95.3   -49.1
 -56.34   86.75   90.25   24.17   79.06  -49.66  -95.3    -6.965 -63.72
 -33.16  -15.56  -43.28   51.28   40.1    83.25   49.72   55.47  -53.7
  17.55  -36.06   63.     59.16  -66.8    -9.01   25.56   44.28   22.12
 -33.84  -31.9   -74.2    79.94  -34.94    1.119  18.45  -92.75  -83.25
  42.66  -77.6    33.28    0.709 -19.3    44.44   45.28  -33.4   -55.94
 -42.22  -37.72   39.4    87.25   23.19   34.16   51.3   -22.16   15.234
  59.    -20.45  -63.9    41.84  -14.63  -80.94   47.8   -36.84    8.47
 -60.66  -26.06  -42.78   30.5   -91.3    55.84  -85.44  -99.44   68.2
 -71.7    27.45  -11.48  -48.03   71.     71.5   -59.2    14.67   79.25
  32.7   -54.22    6.17  -69.94  -49.22   87.7   -61.53   36.25  -57.84
 -81.75  -24.84  -35.    -62.44  -47.22   19.95   21.16  -31.56   13.38
  72.4   -64.06  -89.75  -28.17   34.4   -68.06  -46.94   16.06   65.56
   3.16  -59.88  -32.97   30.69   89.5    16.66   25.05   -1.988   5.27
 -23.14  -26.89  -24.72    1.427 -14.46   81.9   -59.94   68.7   -83.2
 -75.44   88.6    27.62  -58.06  -36.1   -49.53   27.73   89.5   -51.5
  90.     67.94  -70.8    24.2   -75.8   -96.75  -22.66   33.03    6.293
 -87.5    36.56   36.06  -76.8     1.786  82.9    87.6   -63.94   -4.51
 -89.06  -56.06   75.2   -31.89   27.44   35.22  -27.19   37.53   96.94
 -83.25  -49.6    31.78  -50.25   65.2    69.9    63.03   53.    -70.1
 -57.22  -11.99  -23.14   44.28  -77.3    77.25   10.805  16.3   -96.6
 -94.9    34.1   -40.25  -99.7    -6.156  44.97   82.7    51.1   -53.28
  85.44  -80.94  -47.    -53.47  -35.22   76.75  -28.38   26.48  -67.06
  34.28  -54.6    21.52  -38.9    79.75   51.7   -39.44   48.56  -91.7
 -44.06   92.9    11.79    8.98   -5.074  12.375 -24.77  -27.31   76.2
  39.8    -5.46   25.17   47.   ]

输 入 数 据src1Local：
[-57.97    43.5      8.08    72.4    -81.44   -52.      69.1    -84.25
  31.12    34.34    74.75    83.56   -83.      80.1     42.84   -31.6
  88.56    47.34    18.89   -95.25    16.88   -85.75    76.75   -17.19
  23.39    92.56    22.81    77.94    38.62   -55.8     38.22   -88.6
 -99.4    -66.75    90.44    80.56    12.78   -12.6    -68.4      2.816
  27.45   -60.88    70.      61.78   -90.56   -99.25    38.25   -14.49
 -35.88    38.1     13.      29.22   -57.06   -44.7      6.535  -44.6
 -76.3     91.7     36.66    83.9     66.     -81.25   -50.06    68.
   2.705  -51.72    66.9     49.03    15.76     9.37    33.2     99.56
 -20.55    83.3    -57.1     37.06    68.94   -91.9    -46.06   -92.7
  64.4      8.164    8.98    10.76   -75.6     26.94    46.8     62.
   8.734  -69.25   -70.2    -59.      67.25    87.6     48.72    60.16
  19.39    48.62    21.64    25.06     1.013  -36.6    -46.28   -29.14
  67.44    56.7     32.03   -28.81   -94.44    49.6      0.583  -84.4
 -51.53   -43.      66.     -68.      77.44   -50.16   -90.4    -46.22
  90.25    88.      79.25   -40.84   -71.7    -27.03    19.53    85.44
  45.06    60.72    19.22   -28.95   -47.72    97.8    -51.6     31.42
  31.75   -21.84   -71.4     77.9     43.12    35.66   -50.84   -52.
 -48.84   -53.97   -59.56    31.2    -64.3    -10.47    86.25   -84.44
 -56.4    -63.03   -99.9     54.44    40.72    74.94     8.305   18.52
 -47.34   -74.06    79.1     92.44    84.94   -98.7    -41.06   -80.2
 -71.06    89.06    96.2    -19.83   -51.03   -92.      82.25   -75.75
  58.66    22.72   -89.06   -83.06   -73.5     18.75    -0.939  -96.4
  50.12   -73.9    -56.97    52.34   -95.56    11.02   -46.3    -52.2
  -8.46    80.56    77.     -51.72    38.8    -66.44   -69.     -30.33
 -53.3      5.406   74.8     52.25   -35.88    92.5     51.38    40.47
  43.94   -29.05    89.7    -74.5    -83.5     81.75   -56.6    -13.625
  86.9     -4.58   -67.5     -6.67   -59.53   -30.4    -91.75   -84.3
 -66.6    -28.61   -13.79   -70.75   -90.2    -47.94    59.56    84.2
   0.7085 -57.44   -24.94   -11.875  -90.4     54.22   -44.16   -36.34
 -31.64    72.1    -81.25    75.8     93.9    -28.28   -20.53    90.2
 -58.97   -95.7     59.22   -37.8     94.9    -86.7     36.16    26.47  ]
输 入 数 据dstLocal：
[-97.94773    -61.303955    32.56878    -87.50743    -78.92147
  59.20739     50.336506    49.039738   -76.2525       0.25441223
 -71.73807      6.481831   -55.5052     -51.057415    31.403702
  63.285076    98.1897      86.71727    -50.16466     88.94256
  72.111435     8.4164915   34.524082    73.14016      4.838548
  69.67902    -97.855736    90.358696     9.051491    37.595695
 -66.01661    -97.110634    82.84477     69.46122     25.561102
  47.926853   -10.202202    78.2545      31.339691    12.940468
 -31.499294    -3.351652    62.46355     45.0427     -86.02812
 -43.48385    -62.274956   -36.077827    51.81446     32.47797
  59.10228     68.18655      9.3604145  -76.47674    -50.29268
  94.496346    30.837933   -48.315712   -44.92399    -62.369625
  47.578724    84.84092    -66.64584     88.376434    95.05615
 -92.37309      3.0038757   85.21814     -6.688882    97.74142
  20.733965    -5.62451     69.6166     -64.435455    94.09325
 -63.13334     89.150345   -17.61865     32.776333    27.28345
  31.288876    -9.983517   -46.39662    -37.025536    47.853374
 -30.384796   -79.801544   -11.131944   -36.417023    84.25002
 -74.19904    -86.72338     -6.5878353   26.253004   -28.112898
 -64.88305    -40.56897    -65.849686    22.276798    -3.356709
 -78.41364    -67.26924    -10.346288   -43.172684    10.149812
 -22.575602   -28.780804   -64.24396    -14.579756   -30.369322
 -59.28742    -37.098255    31.078829    29.901808    50.531147
 -88.35735    -45.65366     -6.7495203    6.8026304   56.172153
  -0.8727364    9.618746    89.294815    75.4403      81.63827
 -61.722088   -72.85743      9.296161   -69.17855      2.3497865
  20.234892   -13.279363   -44.531677    55.188084   -45.736256
 -30.018398    27.09971     28.841034    35.764072    21.457811
 -15.206495    94.05271     79.9942     -36.39198     38.40136
   5.2365685  -11.435508    67.15551     87.03286      7.9285994
  78.32062     97.863335   -28.68556    -72.658554   -79.39075
 -82.65206     39.52689    -22.053177    30.602457   -26.158005
  49.83525    -72.24563    -97.10148     54.803936    65.070786
 -57.019573    35.972733     6.694148   -74.88097    -71.13884
 -84.549545   -26.875593    -3.2775877   -8.592472    -5.248627
 -22.2127      98.26377    -51.741936   -69.48398    -47.230175
  92.72371     18.192408   -39.66745     44.556633   -21.733562
  15.191482     5.9535656   41.23602     89.30139    -32.57541
 -47.595608   -50.371124   -87.899666    57.644466    38.85747
  47.65093     49.42874    -32.424126   -22.5012      78.78245
 -70.6598     -87.218544    50.347565    55.945244    -3.4658287
  17.902784   -30.977674    53.424767   -82.00753      2.9060571
  -1.010124   -94.316765    13.186674   -52.089214    58.975357
  48.281635    26.436571   -27.11565     89.21593    -10.962796
  49.347828    21.556795    78.163956    35.06028     10.803711
  53.231297   -44.78757     -0.6473386   26.717777    63.757347
  -4.90904     21.724916    37.443634   -89.250656    62.98874
  72.13095    -12.19138     84.16487     71.54008    -73.41178
 -97.612564    39.947853    -1.3887504   -5.6196795  -54.509125
 -28.877354    26.259935    42.28702    -38.848114   -76.46558
 -91.69401     71.27111     89.36143    -65.70425    -31.810083
  82.811226  ]
输 出 数 据dstLocal：
[ 4.71345850e+03  2.46985229e+03 -8.27969437e+01 -3.20867920e+03
 -1.76620471e+03  4.21270752e+03  3.79388721e+03 -2.61010083e+03
 -1.21815369e+02  2.34421533e+03 -2.18809741e+03 -7.80661182e+03
  2.93029968e+02 -3.78187769e+03 -9.21200317e+02 -2.41682422e+03
 -6.06243945e+03 -1.66648096e+03 -1.05372913e+03 -5.46234668e+03
 -1.13550574e+03  2.96143213e+03  6.63022705e+03 -1.58223096e+03
  1.55008167e+03  9.32014355e+03 -1.14580493e+03  7.72311829e+02
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