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Accelerating Sparse Transformer Inference on GPU

delete2026-01-01
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PRE
AI
W
Wenhao Dai
H
Haodong Deng
M
Mengfei Rong
X
Xinyu Yang
H
Hongyu Liu
F
Fangxin Liu
Y
Yang, Hailong
Q
Qianwen Cao
Q
Qingxiao Sun *
DOI:10.1145/3774934.3786434delete
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摘要

摘要

En 中文
大语言模型(LLMs)因其强大的理解能力而风靡全球。作为LLMs的核心组件,通过并行化加速Transformer已逐渐成为热门研究课题。掩码层通过引入稀疏性来减少Transformer的计算量。然而,以往的工作很少关注稀疏Transformer的性能优化。此外,当前的静态算子融合方案难以适应多样化的应用场景。为解决上述问题,我们提出了STOF框架,该框架针对稀疏Transformer进行优化,支持在GPU上实现灵活的掩码和算子融合。对于多头注意力(MHA)结构,STOF根据解析模型将计算映射到行级或块级核函数,并采用独特的存储格式。对于下游算子,STOF将融合方案映射到编译模板,并通过两阶段搜索确定最优运行配置。实验结果表明,与当前最优工作相比,STOF在MHA计算和端到端推理中分别实现了1.6倍和1.4倍的最大加速。
Keyword:
GPU
Sparse Transformer
Multi-head Attention
Operator Fusion

期刊

P
PROCEEDINGS OF THE 31ST ACM SIGPLAN ANNUAL SYMPOSIUM ON PRINCIPLES AND PRACTICE OF PARALLEL PROGRAMMING, PPOPP 2026
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论文数:
43
被引数:
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机构

S
shanghai jiao tong university
学者数:
15.7W
论文数: 11.7W
被引数: 159
B
Beihang University
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5.2W
论文数: 4.1W
被引数: 37
B
baidu
学者数:
578
论文数: 471
被引数: 1
C
china university of petroleum
学者数:
4.1W
论文数: 2.7W
被引数: 30
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