Computer Architecture Today

Informing the broad computing community about current activities, advances and future directions in computer architecture.
Archive of posts tagged: memory models
GPU Memory Consistency: Specifications, Testing, and Opportunities for Performance Tooling

GPU Memory Consistency: Specifications, Testing, and Opportunities for Performance Tooling

by Arkaprava Basu, Natalia Gavrilenko, Keijo Heljanko, Reese Levine, Ajay Ashok Nayak, Hernan Luis Ponce de Leon, Tyler Sorensen and Haining Tong on Jun 6, 2025 | Tags: ,

Context A recent MICRO 2024 article titled “Over-synchronization in GPU Programs” describes how eliminating redundant or coarser-grained (slower) synchronization in GPU programs can lead to significant gains in performance and introduces a tool called ScopeAdvice to...

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