C++: string_view: Deep dive Jasmine Lopez Prithvi Okade 1Topics • Motivation • Performance benefits & basics • string_view: Constructors, useful functions • string vs. string_view and their interoperability '\n'; } hello hello hello Apart from this convenience, string_view also provides performance benefits which we will see shortly.Basics • string_view does not allocate any memory. • It consists of sv{pchar + 1, 2}; puts(sv.data()); ello Don’t do this when you are using string_view 6Performance benefits • The fact that string_view does not allocate memory can be used to gain performance in some

GIVES PERF BENEFITS JIT GIVES PERF BENEFITS 3 . 3WHY JIT-COMPILE? WHY JIT-COMPILE? AOT IS NOT POSSIBLE AOT IS NOT POSSIBLE AOT IS NOT DESIRABLE AOT IS NOT DESIRABLE JIT GIVES PERF BENEFITS JIT GIVES GIVES PERF BENEFITS JIT GIVES PRODUCTIVITY BENEFITS JIT GIVES PRODUCTIVITY BENEFITS 3 . 3WHY JIT-COMPILE? WHY JIT-COMPILE? AOT IS NOT POSSIBLE AOT IS NOT POSSIBLE AOT IS NOT DESIRABLE AOT IS NOT DESIRABLE DESIRABLE JIT GIVES PERF BENEFITS JIT GIVES PERF BENEFITS JIT GIVES PRODUCTIVITY BENEFITS JIT GIVES PRODUCTIVITY BENEFITS JIT ALLOWS DIFFERENT WORKFLOWS/USE CASES JIT ALLOWS DIFFERENT WORKFLOWS/USE CASES

(11/24) AI Development Trending = Unprecedented49 AI = Benefits & Risks50 AI Development = Benefits & Risks The widely-discussed benefits and risks of AI – top-of-mind for many – generate warranted Intelligence: A Modern Approach’ (link here), and their views still hold true. Highlights follow… …the benefits: put simply, our entire civilization is the product of our human intelligence. If we have access persuasion…biased decision making… impact on employment…safety-critical applications…cybersecurity… AI = Benefits & Risks Source: Stuart Russell and Peter Norvig, ‘Artificial Intelligence: A Modern Approach’51

Unrelated (no relation exists) We use orthogonality to: 1. Remove interactions 2. Reduce coupling Benefits: • Less complexity • Fewer edge cases • Increased stability • Greater reuse • Better scaling Producer ➔ Consumer: Work items are arbitrarily produced; and each is consumed exactly once • Benefits: Creating work is obviously correlated with understanding for how work is completed (consumed) Producer ➔ Consumer: Work items are arbitrarily produced; and each is consumed exactly once • Benefits: Creating work is obviously correlated with understanding for how work is completed (consumed)

revenue. Chris Hyams CEO 10 AI in the EnterpriseLesson 3 Start now and invest early How Klarna benefits from AI knowledge compounding AI is rarely a plug-and-play solution—use cases grow in sophistication sophistication and impact through iteration. The earlier you start, the more your organization benefits from compounding improvements. Klarna, a global payments network and shopping platform, introduced a the customer experience. By investing early and encouraging broad adoption, Klarna is seeing AI’s benefits compound—driving returns
 across its business. 11 AI in the EnterpriseThis AI breakthrough in customer

configuration”Significant benefits:Significant benefits: ⊡ No need for special hardwareSignificant benefits: ⊡ No need for special hardware ⊡ Short development timeSignificant benefits: ⊡ No need for special Short development time ⊡ Easy access to simulator mode without additional buildingSignificant benefits: ⊡ No need for special hardware ⊡ Short development time ⊡ Easy access to simulator mode without

debit. Addressing technical debt early may hurt short-term productivity, but provides long-term benefits. Technical debt can be minimized with effective architectures and owners, use of automated and articles 10 Contracting Contracting is a challenging, but critical, element in attaining the benefits of Agile practices. Long contracting timelines and costly change requests have become major hurdles faster under a single- award IDIQ than under a multiple-award; however, a single award loses the benefits of continuous competition and the ability to switch easily among contractors in cases of unsatisfactory

• Design • O(n)->O(n) => O(n)->O(1) // Instead of going from O(n) to O(n), which offers limited benefits, we aim to transform from O(n) to O(1), resulting in substantial efficiency gains. Fanchen Su • Design • O(n)->O(n) => O(n)->O(1) // Instead of going from O(n) to O(n), which offers limited benefits, we aim to transform from O(n) to O(1), resulting in substantial efficiency gains. • Implementation our focus on maximizing performance for specific use cases, particularly in industries where the benefits of high performance outweigh the need for broad compatibility. • However, we're not entirely disregarding

projectProblem 1: ABI incompatible C++ binaries Solution 1: Build C++ dependencies from source Benefits of building from source: •No waiting for library owner to update binary •Able to view, edit, and available or access-restricted. Source: SBOM FAQ (Cybersecurity and Infrastructure Security Agency)Benefits of SBOMs accrue to both software suppliers and consumers — and are similar for both. They include: of concept) Project benefits from the new system; owning team can share learnings X months 3 Start moving other projects’ open- source to package manager More teams gain benefits X months 4 Centralize

interaction into it. • Through our Communities, Our Work Environments • I believe this to be one of the benefits of our C++ Conferences, User Groups, Discord Servers, etc. • The more we speak about code, interract Connectivity Costs and Use the Limited Connectivity for the most Crucial Things. SSH • This is one of the benefits of Terminal Based Computing. • Try To Learn About Vim/Neovim or Emacs • Or share a single computer benefit, Every One of us Must be as welcoming as possible to new users. • We need the perfomance benefits of C++ applied to where it matters most i.e. on Older, Cheaper Hardware to make computing more accessible