Abstract:There have been several recent efforts to improve the performance of fences. The most aggressive designs allow post-fence accesses to retire and complete before the fence completes. Unfortunately, such designs present implementation difficulties due to their reliance on global state and structures.
This paper's goal is to optimize both the performance and the implementability of fences. We start-off with a design like the most aggressive ones but without the global state. We call it Weak Fence or wF.… Show more
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