specific method · filed under inference & serving
Token-order preprocessing and cross-rank buffer isolation for deterministic MoE backward
Combines within-rank token-order preprocessing with buffer isolation across ranks.
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Evidence
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we design a token order pre-processing mechanism within each single rank, combined with buffer isolation across multiple ranks.
usedunclearin DeepSeek-V4DeepSeek
Filed alongside
Other methods under inference & serving :: inference kernel.
Batch-invariant deterministic kernelsCUDA GraphCUDA Graph capture size reductionFlashAttention 3Kernel fusionMoE-side chunkingSynchronization-free static-shape MoE executionTensorRT-LLM multi-head attention backendAvoiding split-KDeepGEMM-based batch-invariant matrix multiplicationDistributed shared memory for cross-SM attention data exchangeDual-kernel batch-invariant attention decodingDynamic load balancingExp-free TopK kernelExpert-optimized Triton kernelsFA4 sheared-bias attention kernelFlashAttentionFlashAttention 4FlashKDAFP8 GEMMFused AttnRes merge and RMSNorm kernelFused latent down-projection and MoE-router GEMMFused mHC kernelsFused QSA kernel