## +21 ## Dynamically Loaded Libraries Outside the Standard ## ZHIHAO YUAN 20 21 October 24-29 ## Dynamically Loaded Libraries Outside the Standard Zhihao Yuan 2021/10/29 runtime • d $ \log_{n} $ APIs works with both dynamic libraries and bundles • Prior to Mac OS X 10.5, dlclose() does not unload dynamic libraries ## I n case you don't know • Portable Executable |_{ZN9repromath4ddotEiPKdS1_}); printf("result = %g\n", ddot(3, x, y)); ::dlclose(lib); ## Loaded libraries are reference counted • dIopen, LoadLibrary, and LoadLibraryEx increment the count • dlclose and

+24 ## The Beman Project: Bringing Standard Libraries to the Next Level ## DAVID SANKEL ## 20 24 September 15 - 20 # The Beman Project Bringing Standard Libraries to the Next Level David Sankel | Principal [Image](/uploads/documents/f/c/2/4/fc24895957e4afb85a4103fd76fd9654/p2_1.jpg) ## 新 ## Where does the standard come from?  ## Bristol consensus • Meetings aren’t held on gigantic snowy mountains …it's a meeting room in a hotel ## Standard library proposal lifetime ![Image](/uploads/documents/f/c/2/4/fc24895957e4afb85a4103fd76fd9654/p11_1

## +23 ## Libraries: A First Step Toward Standard C++ Dependency Management ## BILL HOFFMAN & BRET BROWN ## 20 23 October 01 - 06 ## Libraries: A First Step Toward Standard C++ Dependency Management Metadata file(s) to declare those contents • Modest tool interop requirements In short, declaring libraries installed on a filesystem ## Goals • ✓ A first step towards a robust packaging ecosystem - Explicit too hard Q: Which of these do you find frustrating about C++ development? • 82% – Managing the libraries my application depends on • 80% – Build times • 71% – Setting up CI pipelines from scratch •

## +23 ## Shared Libraries in Windows, in Linux, and yes - in C++ ## OFEK SHILON ## Terminology ## • Shared Library: - Shared Object, Dynamic Object, Dynamic Shared Object (DSO), Dynamic Load Library error... https://reviews.llvm.org/D59780#1468080 ## C++ Implication #4: Comparing Func Ptrs • C++ standard, [expr.eq]\$3.2: “... if the pointers are both null, both point to the same function, or both represent address (6.8.2), they compare equal.” • Actual calls are made to a PLT entry. • Different among libraries!  ## C++ Implication

## Generic Graph Libraries in C++20 ## ANDREW LUMSDAINE, PHIL RATZLOFF 20 21 October 24-29 ## About Us  ## • Andrew areas related to high-performance computing, including systems, programming languages, software libraries, and large-scale graph analytics. Open-source software projects resulting from his work include practical (concrete) problems – theory reuse • Goes hand-in-glove with goals of generic software libraries  ![Image](/upl

+23 ## std::Finalog: Linear Algebra Coming to Standard C++ ## MARK HOEMMEN ## 20 23 October 01 - 06 ## std::linalg: Linear Algebra Coming to Standard C++ Mark Hoemmen, NVIDIA | CppCon 2023 ![Image multiply Where std::linalg fits in linear algebra's layers std::linalg builds on the C++ Standard Library std::linalg builds on the long history of the BLAS Detailed example: Cholesky matrix Magritte's "The Treachery of Images" (1929) ## The Householder convention ## A standard notation, & a standard way of talking about computations |We use math words|We mean a computer representation|

## +24 ## Reflection Based Libraries to Look Forward To ## SAKSHAM SHARMA ## Reflection based libraries to look forward to ## Saksham Sharma CppCon 2024 ## Why me Director, Quant Research Tech at languages (Go, Python, Java) • Reflection in C++ as per P2996 ☐ Syntax and examples • Reflection libraries! Python bindings ABI hashing (boost::abi_hash?) A duck-typed std::any (boost::virtual_any?) Reflection libraries! • Reflection is a really powerful language feature ☐ With great power comes great responsibility • Easier to write general-purpose / boilerplate-reducing libraries • Solve multiple

## +24 ## Shared Libraries and Where To Find Them ## LUIS CARO CAMPOS ## Shared Libraries and Where to Find Them  Luis The executables themselves • Static libraries • Shared libraries Libraries $ ^{*} $ are a vehicle for “reusable” code code that can be invoked by other libraries or applications (even from other languages) languages) ## How developers deal with shared libraries ld: warning: Could not find or use auto-linked framework 'CoreAudioTypes': framework 'CoreAudioTypes' not found Undefined symbols

## +21 ## Making Libraries Consumable for Non-C++ Developers ## AARON ROBINSON 20 21 October 24-29 ## Who am I? ### .NET Core Still at Microsoft, now on the .NET Core runtime team. • https://github DoTheThing(in BlubT b); Result: Windows – everything passed. Linux – everything failed. Why? # Making Libraries Consumable for Non-C++ Developers Aaron R Robinson arobins@microsoft.com https://github.com/AaronRobinsonMSFT

[Image](/uploads/documents/8/0/6/4/8064df7eebf486a4f4ceca3d07a9c7ff/p1_2.jpg) COROUTINE JOB SYSTEM WITHOUT STANDARD LIBRARY Tianyi(Tanki) Zhang tankiistanki tankijong Hi Everyone, Tanki here. Thanks for coming in a game engine - Jobs. Specifically, based on C++ coroutine which we shipped in C++ 20, without standard library support. I because the contents are pretty connected, so I will take all questions at the