~/talks

Jeffrey Mendelsohn

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  • ACCU3 editions2018–2024

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titleconferencedate
Introduction to Lock/Wait Free Algorithms - Defining and Understanding the TermsACCU 20242024-04-17
Defines compare-and-swap as the common atomic primitive and gives a concrete claim: lock‑free means for every subset of threads at least one thread can make…
Talk on
Introduction to Epoch-Based Memory ReclamationACCU 20232023-04-19
Epoch-based reclamation tracks threads with an epoch counter: threads increment a current-epoch counter on entry and decrement on exit, retired nodes go into…
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Would 'reserve'/'upgrade'/'downgrade' Methods Improve 'std::shared_mutex'?ACCU 20182018-04-11
Implements a competitive reserve/upgrade variant of std::shared_mutex on Linux, runs a microbenchmark that times completed jobs (80th percentile) while…
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Reader-Writer Lock versus MutexMeeting C++ 20172017-11-09
Claim: a mutex often outperforms a reader‑writer lock in high‑contention, short‑hold regimes. Evaluation uses Linux multi‑platform benchmarks with synthetic…
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Reader-Writer Lock versus Mutex - Understanding a Lost BetCppCon 20172017-09-24
A controlled Linux benchmark simulates back-to-back access to a shared map (load ≈300 math ops) and compares do-nothing, a single atomic operation, pthread…
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