Normalize

#include "kernel_operator.h"
constexpr int32_t BUFFER_NUM = 1;  // tensor num for each queue

template <const AscendC::NormalizeConfig& CONFIG>
class KernelNormalize {
 public:
  __aicore__ inline KernelNormalize() {}

  __aicore__ inline void Init(GM_ADDR x, GM_ADDR mean, GM_ADDR variance, GM_ADDR gamma, GM_ADDR beta, GM_ADDR rstd, GM_ADDR y, const float epsilon, const AscendC::NormalizePara& para) {
    this->meanRstdSize = (para.aLength + 7) / 8 * 8;  // Perform 32-byte alignment processing at this stage.
    // get start index for current core, core parallel
    xGm.SetGlobalBuffer((__gm__ DTYPE_X*)x, para.aLength * para.rLengthWithPadding);
    meanGm.SetGlobalBuffer((__gm__ float*)mean, this->meanRstdSize);
    varianceGm.SetGlobalBuffer((__gm__ float*)variance, this->meanRstdSize);
    gammaGm.SetGlobalBuffer((__gm__ DTYPE_GAMMA*)gamma, para.rLengthWithPadding);
    betaGm.SetGlobalBuffer((__gm__ DTYPE_BETA*)beta, para.rLengthWithPadding);

    rstdGm.SetGlobalBuffer((__gm__ float*)rstd, this->meanRstdSize);
    yGm.SetGlobalBuffer((__gm__ DTYPE_Y*)y, para.aLength * para.rLengthWithPadding);

    // pipe alloc memory to queue, the unit is Bytes
    pipe.InitBuffer(inQueueX, BUFFER_NUM, para.aLength * para.rLengthWithPadding * sizeof(DTYPE_X));
    pipe.InitBuffer(inQueueMean, BUFFER_NUM, this->meanRstdSize * sizeof(float));
    pipe.InitBuffer(inQueueVariance, BUFFER_NUM, this->meanRstdSize * sizeof(float));
    pipe.InitBuffer(inQueueGamma, BUFFER_NUM, para.rLengthWithPadding * sizeof(DTYPE_GAMMA));
    pipe.InitBuffer(inQueueBeta, BUFFER_NUM, para.rLengthWithPadding * sizeof(DTYPE_BETA));

    pipe.InitBuffer(outQueueRstd, BUFFER_NUM, this->meanRstdSize * sizeof(float));
    pipe.InitBuffer(outQueueY, BUFFER_NUM, para.aLength * para.rLengthWithPadding * sizeof(DTYPE_Y));

    this->epsilon = epsilon;
    this->para = para;
  }

  __aicore__ inline void Compute() {
    AscendC::LocalTensor<DTYPE_X> xLocal = inQueueX.DeQue<DTYPE_X>();
    AscendC::LocalTensor<float> meanLocal = inQueueMean.DeQue<float>();
    AscendC::LocalTensor<float> varianceLocal = inQueueVariance.DeQue<float>();
    AscendC::LocalTensor<DTYPE_GAMMA> gammaLocal = inQueueGamma.DeQue<DTYPE_GAMMA>();
    AscendC::LocalTensor<DTYPE_BETA> betaLocal = inQueueBeta.DeQue<DTYPE_BETA>();

    AscendC::LocalTensor<float> rstdLocal = outQueueRstd.AllocTensor<float>();
    AscendC::LocalTensor<DTYPE_Y> yLocal = outQueueY.AllocTensor<DTYPE_Y>();

    AscendC::Duplicate(rstdLocal, (float)0, this->meanRstdSize);
    AscendC::Duplicate(yLocal, (DTYPE_Y)0, para.aLength * para.rLengthWithPadding);

    AscendC::Normalize<DTYPE_Y, DTYPE_X, false, CONFIG>(yLocal, rstdLocal, meanLocal, varianceLocal, xLocal, gammaLocal, betaLocal, epsilon, para);

    outQueueRstd.EnQue<float>(rstdLocal);
    outQueueY.EnQue<DTYPE_Y>(yLocal);
    inQueueX.FreeTensor(xLocal);
    inQueueMean.FreeTensor(meanLocal);
    inQueueVariance.FreeTensor(varianceLocal);
    inQueueGamma.FreeTensor(gammaLocal);
    inQueueBeta.FreeTensor(betaLocal);

  }
  __aicore__ inline void Process() {
    CopyIn();
    Compute();
    CopyOut();
  }

 private:
  __aicore__ inline void CopyIn() {
    // alloc tensor from queue memory
    AscendC::LocalTensor<DTYPE_X> xLocal = inQueueX.AllocTensor<DTYPE_X>();
    AscendC::LocalTensor<float> meanLocal = inQueueMean.AllocTensor<float>();
    AscendC::LocalTensor<float> varianceLocal = inQueueVariance.AllocTensor<float>();
    AscendC::LocalTensor<DTYPE_GAMMA> gammaLocal = inQueueGamma.AllocTensor<DTYPE_GAMMA>();
    AscendC::LocalTensor<DTYPE_BETA> betaLocal = inQueueBeta.AllocTensor<DTYPE_BETA>();
    // copy progress_th tile from global tensor to local tensor
    AscendC::DataCopy(xLocal, xGm, para.aLength * para.rLengthWithPadding);
    AscendC::DataCopy(meanLocal, meanGm, this->meanRstdSize);
    AscendC::DataCopy(varianceLocal, varianceGm, this->meanRstdSize);
    AscendC::DataCopy(gammaLocal, gammaGm, para.rLengthWithPadding);
    AscendC::DataCopy(betaLocal, betaGm, para.rLengthWithPadding);

    // enque input tensors to VECIN queue
    inQueueX.EnQue(xLocal);
    inQueueMean.EnQue(meanLocal);
    inQueueVariance.EnQue(varianceLocal);
    inQueueGamma.EnQue(gammaLocal);
    inQueueBeta.EnQue(betaLocal);
  }

  __aicore__ inline void CopyOut() {
    // deque output tensor from VECOUT queue
    AscendC::LocalTensor<float> rstdLocal = outQueueRstd.DeQue<float>();
    AscendC::LocalTensor<DTYPE_Y> yLocal = outQueueY.DeQue<DTYPE_Y>();
    // copy progress_th tile from local tensor to global tensor
    AscendC::DataCopy(rstdGm, rstdLocal, this->meanRstdSize);
    AscendC::DataCopy(yGm, yLocal, para.aLength * para.rLengthWithPadding);
    // free output tensor for reuse
    outQueueRstd.FreeTensor(rstdLocal);
    outQueueY.FreeTensor(yLocal);
  }

 private:
  AscendC::TPipe pipe;
  // create queues for input, in this case depth is equal to buffer num
  AscendC::TQue<AscendC::TPosition::VECIN, BUFFER_NUM> inQueueX;
  AscendC::TQue<AscendC::TPosition::VECIN, BUFFER_NUM> inQueueMean;
  AscendC::TQue<AscendC::TPosition::VECIN, BUFFER_NUM> inQueueVariance;
  AscendC::TQue<AscendC::TPosition::VECIN, BUFFER_NUM> inQueueGamma;
  AscendC::TQue<AscendC::TPosition::VECIN, BUFFER_NUM> inQueueBeta;
  // create queue for output, in this case depth is equal to buffer num
  AscendC::TQue<AscendC::TPosition::VECOUT, BUFFER_NUM> outQueueRstd;
  AscendC::TQue<AscendC::TPosition::VECOUT, BUFFER_NUM> outQueueY;

  AscendC::GlobalTensor<float> meanGm;
  AscendC::GlobalTensor<float> varianceGm;
  AscendC::GlobalTensor<DTYPE_X> xGm;
  AscendC::GlobalTensor<DTYPE_GAMMA> gammaGm;
  AscendC::GlobalTensor<DTYPE_BETA> betaGm;

  AscendC::GlobalTensor<float> rstdGm;
  AscendC::GlobalTensor<DTYPE_Y> yGm;

  float epsilon;
  uint32_t meanRstdSize;
  AscendC::NormalizePara para;
};
__aicore__ constexpr AscendC::NormalizeConfig GenConfig(bool isNoBeta, bool isNoGamma)
{
    return {.reducePattern = AscendC::ReducePattern::AR,
        .aLength = -1,
        .isNoBeta = isNoBeta,
        .isNoGamma = isNoGamma,
        .isOnlyOutput = false};
}
// with beta and gamma
constexpr AscendC::NormalizeConfig CONFIG1 = GenConfig(false, false);
constexpr AscendC::NormalizeConfig CONFIG2 = GenConfig(false, true);
constexpr AscendC::NormalizeConfig CONFIG3 = GenConfig(true, false);
constexpr AscendC::NormalizeConfig CONFIG4 = GenConfig(true, true);

extern "C" __global__ __aicore__ void normalize_custom(GM_ADDR x, GM_ADDR mean, GM_ADDR variance, GM_ADDR gamma, GM_ADDR beta, GM_ADDR rstd, GM_ADDR y, GM_ADDR workspace, GM_ADDR tiling) {
    GET_TILING_DATA(tilingData, tiling);
    float epsilon = tilingData.epsilon;
    AscendC::NormalizePara para(tilingData.aLength, tilingData.rLength, tilingData.rLengthWithPadding);
    if (TILING_KEY_IS(1)) {
      if (!tilingData.isNoBeta && !tilingData.isNoGamma) {
          KernelNormalize<CONFIG1> op;
          op.Init(x, mean, variance, gamma, beta, rstd, y, epsilon, para);
          op.Process();
      } else if (!tilingData.isNoBeta && tilingData.isNoGamma) {
          KernelNormalize<CONFIG2> op;
          op.Init(x, mean, variance, gamma, beta, rstd, y, epsilon, para);
          op.Process();
      } else if (tilingData.isNoBeta && !tilingData.isNoGamma) {
          KernelNormalize<CONFIG3> op;
          op.Init(x, mean, variance, gamma, beta, rstd, y, epsilon, para);
          op.Process();
      } else if (tilingData.isNoBeta && tilingData.isNoGamma) {
          KernelNormalize<CONFIG4> op;
          op.Init(x, mean, variance, gamma, beta, rstd, y, epsilon, para);
          op.Process();
      }
    }
  }