on in-process interoperability.Run down of some approaches Just be like C? – post-1972 Common Object Model (COM) – 1993 Foreign function interface (libffi) – 1996 Simplified Wrapper and Interface Generator sizeof(size_t) MSYS2 compile of gcc, sizeof(long) == 4You can make interop suck less by… Explicitly state/document argument content. • Instead of long or int, use int64_t or int32_t. • String encoding is not the less by… Explicitly state/document argument content. • Instead of long or int, use int64_t or int32_t. • String encoding is not the same as “width”. Explicitly state/document/reference function conventions

https://ieeexplore.ieee.org/document/9398963  https://ieeexplore.ieee.org/document/9398960  https://ieeexplore.ieee.org/document/9336682  https://ieeexplore.ieee.org/document/9105619  …  https://sel4 Background  HW  SW I. Background  https://www.raspberrypi.com/products/raspberry-pi-3-model-b-plus/  HW  SW RPi3 B+ (1G LPDDR2) 1) CantripOS(KataOS) 1.1 Getting started

keyboard events and plays Model M clicky sounds.83 MODEL M SIMULATOR: STRATEGY 1. Model a key click as a sender 2. Model keyboard input as a range of senders 3. Model interrupt (e.g., Ctrl-C) as into clicky noises until interrupt sender completes. 5. ??? 6. Profit!84 Step 1: Model key click as a sender85 MODEL KEYCLICK AS SENDER: STRATEGY 1. Assume system API for registering keyboard callback a sender whose operation state: calls the lambda in its start() function stores the returned object in the operation state91 “SYSTEM” API FOR REGISTERING KEYBOARD CALLBACK // Fake system API for

financial computation/storage model to general cases • Limites of On-chain VM computation • Limites of MPT • Limites of K-V db Problems of Web3: Technical Viewpoint Financial Model: Account=>Balance ➔ Relatively Relatively closed dataset, linear increasement against account set ➔ One dimension Internet Model: Any ➔ Open dataset, data will increase quickly on any dimension. ➔ Multiple dimensions Dataset Models platform, but open its data to everyone. ➔ Why we need open data? The business of the closed data model has been at the end. A New Proposal: Open Data Application The Road to Open Web ➔ From the user

tools • Lots of amazing libraries Rust 编译通过了 bug 比 cpp 少上 百倍 !!! 图模型—— Labeled Property Graph Model Arbitrary (key,value) pairs where key identifies a property and value is the corresponding value Optimization rules: MATCH -> pushdown Planning Strategies Graph Execution Code Gen JIT Cost model Storage backend （ Property Graph KV store ） Pushdown filter Cypher (a)-[:LIKES]->(b) 计算下推：面向图应用特征设计

outcomes • Take it to the team • Be a mirror • Master your words & face • Let there be silence • Model being outrageous • Let the team fail • Be their biggest fan Lyssa Adkins Self-Assess FirstSelf

type “τ”; ∗¿full ⟦? ⟧ (∃?.ℓ↦ ?∗⟦ ? ⟧ .???(?)) ℓ ↦∗ ⟦τ ⟧.own ℓ ↦∗ ⟦τ ⟧.own Rc (simplified model, without weak references) Examples It owns a location value “ℓ”; : partially owned (.i.e. can alias)

RiskLab team at CSIRO on applied mathematics for Financial Risk. • The aim of this talk is to: • Document some of the challenges in applying the principles from introductory CUDA examples to an existing

Founder of the Belgian C++ Users Group (BeCPP) C++204 Agenda  C++23 Core Language  Explicit Object Parameters  if consteval  Multidimensional Subscript Operator  Attributes on Lambda-Expressions Features  Garbage Collection SupportC++23 Core Language6 Agenda  C++23 Core Language  Explicit Object Parameters  if consteval  Multidimensional Subscript Operator  Attributes on Lambda-Expressions Erasure  Removed Features  Garbage Collection Support7 Explicit Object Parameters  Instead of implicit this, explicitly specify the object parameter  Example: class Cell { public: void setValue(double

Safe to delete A A 7 8 SAFE ACCESS If a hazard pointer points to an object before its removal, then the object will not be reclaimed as long as the hazard Concurrency TS2 – Maged Michael Cohorts Cohorts • A cohort is a set of retired objects. • A retired object can belong to at most one cohort. • The completion of a cohort’s destructor guarantees the completion Synchronous Reclamation Beyond Concurrency TS2 – Maged Michael • Pop all objects from domain cohort object list and lock list • Why lock? Concurrent cohort destructors. • Read all hazard pointer values. •