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Communication Dans Un Congrès Année : 2024

Breaking the Memory Wall with a Flexible Open-Source L1 Data-Cache

Résumé

The lack of concurrency and pipelining in the memory sub-system of recent open-source RISC-V processors, such as the CVA6, is increasingly becoming the performance bottleneck. Recent updates to the new RISC-V High Performance L1 Data-cache (HPDcache), now fully integrated with the CVA6, bring significant (up to +234%) speedups in key benchmarks with a negligible 5.92% area impact. In this short paper, we detail these improvements, compare performance with existing caches and highlight the benefits of this new, open-source data-cache.
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Dates et versions

hal-04600058 , version 1 (04-06-2024)

Identifiants

  • HAL Id : hal-04600058 , version 1

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Davy Million, Noelia Oliete-Escuín, César Fuguet. Breaking the Memory Wall with a Flexible Open-Source L1 Data-Cache. DATE 2024, Mar 2024, Valencia, Spain. ⟨hal-04600058⟩
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