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024 7 _ |2 ISSN
|a 1611-3349
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100 1 _ |0 P:(DE-Juel1)177768
|a Portero, Antonio
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111 2 _ |a Architecture of Computing Systems - 36th International Conference
|c Athens
|d 2023-06-13 - 2023-06-15
|g ARCS2023
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245 _ _ |a COMPESCE: A Co-design Approach for Memory Subsystem Performance Analysis in HPC Many-Cores
260 _ _ |a Cham
|b Springer Nature Switzerland
|c 2023
295 1 0 |a Architecture of Computing Systems - 36th International Conference
300 _ _ |a 105-119
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490 0 _ |a Lecture Notes in Computer Science
|v 13949
500 _ _ |a Grant Name: EPI-SGA2
520 _ _ |a This paper explores the memory subsystem design through gem5 simulations of a non-uniform memory access (NUMA) architecture with ARM cores equipped with vector engines. And connected to a Network-on-Chip (NoC) following the Coherent Hub Interface (CHI) protocol. The study quantifies the benefits of vectorization, prefetching, and multichannel NoC configurations using a benchmark for generating memory patterns and indexed accesses. The outcomes provide insights into improving bus utilization and bandwidth and reducing stalls in the system. The paper proposes hardware/software (HW/SW) advancements to reach and use the HBM device with a higher percentage than 80% at the memory controllers in the simulated manycore system.
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