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MultiSky: Dynamic Resource Allocation Framework for High-Throughput CGRA Multitask Execution

delete2025-08-11
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PRE
AI
Y
Yufei Yang
C
Chenhao Xie
R
Rui Wang
刘
刘连胜 (Liansheng Liu)
X
Xiyuan Peng
Y
Yu Peng
DOI:10.1109/TCAD.2025.3597525delete
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摘要

摘要

En 中文
粗粒度可重构阵列(CGRAs)在高性能和灵活性之间提供了有前景的平衡,但由于任务创建/销毁的不可预测性,多任务场景中的动态资源分配仍然具有挑战性。现有的静态方法缺乏灵活性,而动态方法则存在高延迟或适用性有限的问题。本文提出了一种名为MultiSky的CGRAs多任务动态资源分配框架,结合了硬件控制器和软件预映射器。硬件控制器通过加权平均计算每个任务的地砖分配,并使用轻量级启发式算法生成地砖形状,在数百个周期内动态分配资源;软件预映射器采用增量编译预生成配置,避免在线转换开销。在真实世界多任务场景的评估中表明,MultiSky通过保持82.7%的平均资源利用率,其吞吐量比基线高出1.72倍。该框架能高效扩展至更大的CGRAs和任务数量,对于16×16 CGRAs,硬件开销降至1%。这些结果突显了MultiSky在动态计算环境中平衡灵活性、效率和实用性的能力。
Keyword:
Coarse-grained reconfigurable arrays (CGRAs)
CGRA mapper
dynamic resource allocation
multitask

期刊

I
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
IF:
2.9
论文数:
679
被引数:
9.6K

机构

H
harbin institute of technology
学者数:
8.0W
论文数: 6.6W
被引数: 66
B
beihang university
学者数:
5.2K
论文数: 2.0K
被引数: 21
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