Files
xc-llm-ascend/csrc/notify_dispatch/op_kernel/notify_dispatch_tiling.h
shiro-zzzz bd8be2e759 [Kernel] Add moe normal ops (#4810)
### What this PR does / why we need it?
1.Add the implementation of normal Aclnn operators: MoeCombineNormal,
MoeDispatchNormal, NotifyDispatch,and DispatchLayout.

- MoeCombineNormal: Implements the combine logic within MoE operations.
- MoeDispatchNormal: Implements the dispatch logic within MoE
operations.
- NotifyDispatch: Exchanges topk_idx information among different ranks
to calculate the device memory required for the dispatch stage.
- DispatchLayout: Used to calculate information related to the device
memory layout for the dispatch stage.

2.Provide PyTorch interfaces for normal operators—get_dispatch_layout,
dispatch_prefill, and combine_prefill—to be used for MoE communication
during the prefill stage in vLLM.

- get_dispatch_layout: Calculates information related to the device
memory layout for the dispatch operator, and is called before
dispatch_prefill.
- dispatch_prefill: Initiates the dispatch operation.
- combine_prefill: Initiates the combine operation.

### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
The functionality has already been validated using the local Qwen model.
Test cases will be added after support for multi-NPU use cases in the CI
pipeline is finalized.

- vLLM version: v0.12.0
- vLLM main:
ad32e3e19c

Signed-off-by: shiro-zzzz <zhangdianhao@huawei.com>
2025-12-10 17:15:28 +08:00

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C

#ifndef NOTIFY_DISPATCH_TILING_H
#define NOTIFY_DISPATCH_TILING_H
#include "kernel_tiling/kernel_tiling.h"
struct NotifyDispatchInfo {
uint32_t rankSize;
uint32_t rankId;
uint32_t localRankSize;
uint32_t localRankId;
uint32_t sendCount;
uint32_t numTokens;
uint32_t aivNum;
uint64_t totalUbSize;
};
struct NotifyDispatchTilingData {
Mc2InitTiling mc2InitTiling;
Mc2CcTiling mc2CcTiling1;
NotifyDispatchInfo notifyDispatchInfo;
};
#endif