SetPadValue
函数功能
设置DataCopyPad接口填充的数值。
函数原型
1 2 |
template <typename T> __aicore__ inline void SetPadValue(T paddingValue) |
参数说明
参数名 |
输入/输出 |
描述 |
|---|---|---|
paddingValue |
输入 |
DataCopyPad接口填充的数值，数据与DataCopyPad接口搬运的数据类型一致。 |
返回值
无
支持的型号
Atlas A2训练系列产品/Atlas 800I A2推理产品
约束说明
无
调用示例
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#include "kernel_operator.h" template <typename T> class SetPadValueTest { public: __aicore__ inline SetPadValueTest() {} __aicore__ inline void Init(__gm__ uint8_t* dstGm, __gm__ uint8_t* srcGm, uint32_t n1, uint32_t n2) { m_n1 = n1; m_n2 = n2; m_n2Align = n2 % 32 == 0 ? n2 : (n2 / 32 + 1) * 32; m_srcGlobal.SetGlobalBuffer((__gm__ T*)srcGm); m_dstGlobal.SetGlobalBuffer((__gm__ T*)dstGm); m_pipe.InitBuffer(m_queInSrc, 1, m_n1 * m_n2Align * sizeof(T)); } __aicore__ inline void Process() { CopyIn(); Compute(); CopyOut(); } private: __aicore__ inline void CopyIn() { AscendC::LocalTensor<T> srcLocal = m_queInSrc.AllocTensor<T>(); AscendC::DataCopyExtParams dataCopyExtParams; AscendC::DataCopyPadExtParams<T> padParams; dataCopyExtParams.blockCount = m_n1; dataCopyExtParams.blockLen = m_n2 * sizeof(T); dataCopyExtParams.srcStride = 0; dataCopyExtParams.dstStride = 0; padParams.isPad = false; padParams.leftPadding = 0; padParams.rightPadding = 1; AscendC::SetPadValue((T)37); AscendC::PipeBarrier<PIPE_ALL>(); AscendC::DataCopyPad(srcLocal, m_srcGlobal, dataCopyExtParams, padParams); m_queInSrc.EnQue(srcLocal); } __aicore__ inline void Compute() { ; } __aicore__ inline void CopyOut() { AscendC::LocalTensor<T> dstLocal = m_queInSrc.DeQue<T>(); AscendC::DataCopy(m_dstGlobal, dstLocal, m_n1 * m_n2Align); m_queInSrc.FreeTensor(dstLocal); } private: AscendC::TPipe m_pipe; uint32_t m_n1; uint32_t m_n2; uint32_t m_n2Align; AscendC::GlobalTensor<T> m_srcGlobal; AscendC::GlobalTensor<T> m_dstGlobal; AscendC::TQue<AscendC::QuePosition::VECIN, 1> m_queInSrc; }; // class SetPadValueTest template <typename T> __global__ __aicore__ void testSetPadValue(GM_ADDR dstGm, GM_ADDR srcGm, uint32_t n1, uint32_t n2) { SetPadValueTest<T> op; op.Init(dstGm, srcGm, n1, n2); op.Process(); } |
输入数据（srcGm, shape = [32, 31]）：[[1, 1, 1, ..., 1], [1, 1, 1, ..., 1], ... , [1, 1, 1, ..., 1]] 输出数据（dstGm, shape = [32, 32]）：[[1, 1, 1, ..., 1, 37], [1, 1, 1, ..., 1, 37], ... , [1, 1, 1, ..., 1, 37]]
父主题： 数据搬运
