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    C++ Team Blog

    C++ tutorials, C and C++ news, and information about Visual Studio, Visual Studio Code, and Vcpkg from the Microsoft C++ team.

    performance Archives | C++ Team Blog

    Playground Games and Turn 10 Studios See 18.2X and 4.95X Link Time Improvements Respectively on Visual Studio 2019
    Playground Games and Turn 10 Studios See 18.2X and 4.95X Link Time Improvements Respectively on Visual Studio 2019
    David LiDavid LiFebruary 2, 2021Feb 2, 202102/2/21
    The C++ team at Visual Studio has delivered substantial compile and link time improvements throughout Visual Studio 2019. Playground Games and Turn 10 Studios shares their link time improvement wins.

    2C++performance
    The Coalition Sees 27.9X Iteration Build Improvement with Visual Studio 2019
    The Coalition Sees 27.9X Iteration Build Improvement with Visual Studio 2019
    David LiDavid LiNovember 16, 2020Nov 16, 202011/16/20
    Visual Studio 2019 v16.8 Preview 3.2 introduces significant build and link time improvements. In this blog post, we detail how the team in The Coalition building Gears 5 tested the compile and link times in three different versions of Visual Studio.

    4C++performance
    JCC Erratum Mitigation in MSVC
    JCC Erratum Mitigation in MSVC
    AvatarGautham Beeraka (Intel Americas Inc)February 4, 2020Feb 4, 202002/4/20
    The content of this blog was provided by Gautham Beeraka from Intel Corporation. Intel recently announced Jump Conditional Code (JCC) Erratum which can occur in some of its processors. The MSVC team has been working with Intel to provide a software fix in the compiler to mitigate the performance impact of the microcode update that prevents ...

    2Announcementperformance
    MSVC Backend Updates in Visual Studio 2019 Versions 16.3 and 16.4
    MSVC Backend Updates in Visual Studio 2019 Versions 16.3 and 16.4
    AvatarKevin CadieuxJanuary 28, 2020Jan 28, 202001/28/20
    Versions 16.3 and 16.4 of Visual Studio 2019 brought many new improvements in code generation quality, build throughput, and security. If you still haven’t downloaded your copy, here is a brief overview of what you’ve been missing out on. Demonstration of C++ Build Insights, a new set of build analysis tools in Visual Studio 2019 ...

    9Announcementperformance
    Game performance improvements in Visual Studio 2019 version 16.2
    Game performance improvements in Visual Studio 2019 version 16.2
    AvatarNatalia GlagolevaAugust 8, 2019Aug 8, 201908/8/19
    This spring Gratian Lup described in his blog post the improvements for C++ game development in Visual Studio 2019. From Visual Studio 2019 version 16.0 to Visual Studio 2019 version 16.2 we’ve made some more improvements. On the Infiltrator Demo we’ve got 2–3% performance wins for the most CPU-intensive parts of the game. Throughput A...

    2performance
    Improving the Performance of Standard Library Functions
    Improving the Performance of Standard Library Functions
    Kirsten LeeKirsten LeeJuly 30, 2019Jul 30, 201907/30/19
    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 (std::div, std::ldiv, std::lldiv) and std::isnan. ...

    5performance
    Improved Linker Fundamentals in Visual Studio 2019
    Improved Linker Fundamentals in Visual Studio 2019
    Russell HadleyRussell HadleyJuly 25, 2019Jul 25, 201907/25/19
    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 ...

    12fasterperformance
    Inlining Decisions in Visual Studio
    Inlining Decisions in Visual Studio
    Terry MahaffeyTerry MahaffeyJuly 24, 2019Jul 24, 201907/24/19
    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 ...

    3performance
    Accelerating Compute-Intensive Workloads with Intel® AVX-512
    Accelerating Compute-Intensive Workloads with Intel® AVX-512
    AvatarIntel CorporationApril 19, 2019Apr 19, 201904/19/19
    This guest post was authored by Junfeng Dong, John Morgan, and Li Tian from Intel Corporation. Introduction Last year we introduced Intel® Advanced Vector Extensions 512 (Intel® AVX-512) support in Microsoft* Visual Studio* 2017 through this VC++ blog post. In this follow-on post, we cover some examples to give you a taste of how Intel® ...

    2performance
    Visual Studio Code C/C++ extension: March 2019 Update
    Visual Studio Code C/C++ extension: March 2019 Update
    Tara RajTara RajApril 4, 2019Apr 4, 201904/4/19
    The March 2019 update of the Visual Studio Code C/C++ extension is now available. This release includes many new features and bug fixes, including IntelliSense caching, Build and Debug Active File, and configuration squiggles. For a full list of this release’s improvements, check out our release notes on GitHub. IntelliSense Cache (AutoPCH...

    4Announcementfaster
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