C++ Team Blog

The latest in C++, Visual Studio, VS Code, and vcpkg from the MSFT C++ team

July 2019 - C++ Team Blog

Improving the Performance of Standard Library Functions

July 30, 2019 Jul 30, 2019 07/30/19
Kirsten Lee
In Visual Studio 2019 version 16.2 we improved the codegen of several standard library functions. Guided by your feedback on Developer Community (Inlining std::lldiv and Improved codegen for std::fmin, std::fmax, std::round, std::trunc) we focused on the variants of standard division (, , ) and . Originally function calls to the standard ...

MSVC Backend Updates in Visual Studio 2019 version 16.2

July 25, 2019 Jul 25, 2019 07/25/19
Daniel Donenfeld
In Visual Studio 2019 version 16.2 we continue to improve the C++ backend with build throughput improvements and new and improved optimizations. These build on top of our MSVC backend improvements in Visual Studio 2019 version 16.0 which we previously announced. We will be following up on many of the improvements here with their own blog posts...

Improved Linker Fundamentals in Visual Studio 2019

July 25, 2019 Jul 25, 2019 07/25/19
Russell Hadley
On the C++ team we’ve heard loud and clear from users that build times are a pain point. We’ve continued our focus on improving the step, linking, that dominates F5 build times. Fast F5 build times, or iteration build times, are a key contributor to developer productivity and we felt that there was a large opportunity so we narrowed in on ...

Visual Studio Code C/C++ Extension: July 2019 Update

July 24, 2019 Jul 24, 2019 07/24/19
Tara Raj
The July 2019 update of the Visual Studio Code C/C++ extension is now available. This release includes many new features, including semantic colorization and improvements to the IntelliSense Configuration Settings Editor UI and IntelliSense cache. For a full list of this release’s improvements, check out our release notes on GitHub. ...

Inlining Decisions in Visual Studio

July 24, 2019 Jul 24, 2019 07/24/19
Terry Mahaffey
Introduction My name is Terry Mahaffey and I work on the code generation team in MSVC. Lately I’ve been doing some work on our inliner and I wanted to give a brief introduction to it before later diving into some of the changes we’ll be shipping. Inlining is perhaps the most important optimization a compiler performs. In addition to ...

Vcpkg: 2019.06 Update

July 19, 2019 Jul 19, 2019 07/19/19
Tara Raj
The 2019.06 update of vcpkg, a tool that helps you manage C and C++ libraries on Windows, Linux, and MacOS, is now available. This is the first time we’ve created a vcpkg release on our GitHub repository. This update is designed to bring you a summary of the new functionality and improvements made to vcpkg over about a month’s time. The ...

Clang/LLVM Support for MSBuild Projects

July 11, 2019 Jul 11, 2019 07/11/19
Will Buik
Visual Studio 2019 version 16.2 Preview 3 includes built-in Clang/LLVM support for MSBuild projects. In our last release, we announced support for Clang/LLVM for CMake. In the latest Preview of Visual Studio, we have extended that support to also include MSBuild projects. While in most cases we recommend using the MSVC compiler, we are ...