BestHub
search
Sign in
Tag

ELR

1 views collected around this technical thread.

OPPO Kernel Craftsman
OPPO Kernel Craftsman
Apr 30, 2020 · Fundamentals

Detailed Explanation of ARMv8 Exception Handling Process

The article provides a thorough walkthrough of ARMv8 exception handling, describing the four exception levels (EL0‑EL3) and their dedicated stack and status registers, distinguishing synchronous and asynchronous faults, and detailing the vector table, entry routine, ESR‑based type decoding, handling steps such as do_mem_abort, and context restoration, illustrated with a Data Abort case.

ARMv8ELRESR
0 likes · 10 min read
Detailed Explanation of ARMv8 Exception Handling Process
Tencent Database Technology
Tencent Database Technology
May 15, 2019 · Databases

Early Lock Release (ELR) in MySQL: Principles, Implementation, and Performance Impact

Early Lock Release (ELR) is an optimization that moves lock release before log flushing to improve concurrency, and this article explains its principle, MySQL server‑ and InnoDB‑level implementations, potential side effects such as dirty reads and cascade rollbacks, and its measured performance impact.

ELRInnoDBMySQL
0 likes · 11 min read
Early Lock Release (ELR) in MySQL: Principles, Implementation, and Performance Impact