RTEMS | Deterministic Hedged Read Library (DHRL) for DRAM Tail Latency Mitigation (#5548)

Wayne Thornton (@wmthornton-dev) gitlab at rtems.org
Wed Apr 8 23:40:00 UTC 2026




Wayne Thornton commented on a discussion: https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5548#note_148285


A library that is compatible with RTEMS does NOT exist at the current time. Security researcher Laurie Kirk developed the method as part of a research project but that library relies heavily on Linux and standard desktop operating system conventions. 

The library won't be limited to the AXI architecture, this is just a starting point and a PoC.

There are metrics available in charts with how this methodology works on Zen and Graviton architectures. I will see if I can attach those

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5548#note_148285
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