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enginex-ascend-910-vllm/csrc/common/include/kernel/gm_to_ub_iterator.h
Sun Ruoxi 7f8a1b1f7a init v0.23.0
Signed-off-by: Sun Ruoxi <sunruoxi@4paradigm.com>
2026-08-27 15:11:51 +08:00

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/**
 * Copyright (c) 2025 Huawei Technologies Co., Ltd.
 * This program is free software, you can redistribute it and/or modify it under the terms and conditions of
 * CANN Open Software License Agreement Version 2.0 (the "License").
 * Please refer to the License for details. You may not use this file except in compliance with the License.
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
 * See LICENSE in the root of the software repository for the full text of the License.
 */
/*!
* \file gm_to_ub_iterator.h
* \brief
*/
#ifndef GM_TO_UB_ITERATOR_H
#define GM_TO_UB_ITERATOR_H
#include "iterator.h"
constexpr uint32_t STRIDE_LIMIT_I = 65536;
template <ArchType ArchTag, typename DType> struct gm_to_ub {
__aicore__ inline gm_to_ub(AscendC::LocalTensor<DType> dstTensor, AscendC::GlobalTensor<DType> srcTensor,
uint8_t sid, uint16_t nBurst, uint16_t lenBurst, uint16_t srcStride, uint16_t dstStride)
{
AscendC::DataCopy(dstTensor, srcTensor, AscendC::DataCopyParams(nBurst, lenBurst, srcStride, dstStride));
};
};
template <ArchType ArchTag, typename DType> struct gm_to_ub_align {
__aicore__ inline gm_to_ub_align(AscendC::LocalTensor<DType> dstTensor, AscendC::GlobalTensor<DType> srcTensor,
uint8_t sid, uint16_t nBurst, uint32_t lenBurst, uint8_t leftPaddingNum,
uint8_t rightPaddingNum, uint32_t srcGap, uint32_t dstGap)
{
AscendC::DataCopyPad(dstTensor, srcTensor, AscendC::DataCopyExtParams(nBurst, lenBurst, srcGap, dstGap, 0),
AscendC::DataCopyPadExtParams<DType>(false, leftPaddingNum, rightPaddingNum, 0));
};
};
template <ArchType ArchTag, typename DType> struct ub_to_ub {
__aicore__ inline ub_to_ub(AscendC::LocalTensor<DType> dstTensor, AscendC::LocalTensor<DType> srcTensor,
uint8_t sid, uint16_t nBurst, uint16_t lenBurst, uint16_t srcStride, uint16_t dstStride)
{
AscendC::DataCopy(dstTensor, srcTensor, AscendC::DataCopyParams(nBurst, lenBurst, srcStride, dstStride));
};
};
template <ArchType ArchTag, typename DataType, DataFormatT InDataFormat = DataFormatT::ND,
DataFormatT OutDataFormat = DataFormatT::ND>
struct ub_to_gm {
__aicore__ inline ub_to_gm(AscendC::GlobalTensor<DataType> dstTensor, AscendC::LocalTensor<DataType> srcTensor,
uint8_t sid, uint16_t nBurst, uint16_t lenBurst, uint16_t srcStride, uint16_t dstStride)
{
AscendC::DataCopy(dstTensor, srcTensor, AscendC::DataCopyParams(nBurst, lenBurst, srcStride, dstStride));
};
};
template <ArchType ArchTag, typename DataType> struct ub_to_gm<ArchTag, DataType, DataFormatT::NZ, DataFormatT::NZ> {
using HardwareParams = HardwareInfo<ArchTag>;
static constexpr uint32_t BLOCK_SIZE = HardwareParams::l1l0BlockSize / sizeof(DataType);
__aicore__ ub_to_gm(AscendC::GlobalTensor<DataType> gmTensor, AscendC::LocalTensor<DataType> l1Tensor,
uint32_t nTileActual, uint32_t nTileCeil, uint32_t nVal, uint32_t dTileActual,
uint32_t dTileCeil, uint32_t dVal)
{
uint64_t dstStride = nTileCeil - nTileActual;
if (dstStride < STRIDE_LIMIT_I) {
AscendC::DataCopy(gmTensor, l1Tensor,
AscendC::DataCopyParams(dTileActual / BLOCK_SIZE, // nBurst
nTileActual, // lenBurst
0, // srcGap
dstStride)); // dstGap
} else {
for (uint64_t i = 0; i < dTileActual / BLOCK_SIZE; i++) {
uint64_t srcOffset = i * nTileActual * BLOCK_SIZE;
uint64_t dstOffset = i * nTileCeil * BLOCK_SIZE;
AscendC::DataCopy(gmTensor[dstOffset], l1Tensor[srcOffset],
AscendC::DataCopyParams(1, // nBurst
nTileActual, // lenBurst
0, // srcGap
0)); // dstGap
}
}
};
};
template <ArchType ArchTag, typename DType> struct ub_to_gm_align {
__aicore__ inline ub_to_gm_align(AscendC::GlobalTensor<DType> dstTensor, AscendC::LocalTensor<DType> srcTensor,
uint8_t sid, uint16_t nBurst, uint32_t lenBurst, uint8_t leftPaddingNum,
uint8_t rightPaddingNum, uint32_t srcGap, uint32_t dstGap)
{
AscendC::DataCopyPad(dstTensor, srcTensor, AscendC::DataCopyExtParams(nBurst, lenBurst, srcGap, dstGap, 0));
};
};
#endif // GM_TO_UB_ITERATOR_H