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Google where I works at is largely a C++ shop despite Android Java. AOT compilers exists for Java, Net, Javascript. I however doubt the user experience of thos

Google where I works at is largely a C++ shop despite Android Java. AOT compilers exists for Java, Net, Javascript. I however doubt the user experience of those. For example, GraalVM mentions the following, "There is a small portion of Java features are not susceptible to ahead-of-time compilation, and will therefore miss out on the performance advantages. To be able to build a highly optimized native executable, GraalVM runs an aggressive static analysis that requires a closed-world assumption, which means that all classes and all bytecodes that are reachable at run time must be known at build time. Therefore, it is not possible to load new data that have not been available during ahead-of-time compilation."

pjmlp 5y ago
Not everyone is Google, and since you work there you are surely aware of tooling like Ghidra and IDA. GraalVM is not what I would pick for AOT Java projects, there are other products since 2000. In any case, this isn't a comparisasion of language bullet points. Just because a software product has been migrated from C++ into Java, .NET or whatever language, it doesn't mean it is a sacrilege to keep some native lib around, which is exactly where all mainstream OSes are going, with C++ being left for the bottom layers. How many desktop GUIs is Google shipping written in pure C++?
- RcouF1uZ4gsC 5y ago
  > How many desktop GUIs is Google shipping written in pure C++? You mean apart from the Chrome browser?
  - pjmlp 5y ago
    https://developer.chrome.com/blog/migrating-to-typescript/ https://developer.chrome.com/blog/migrating-to-typescript/ https://developer.chrome.com/blog/puppeteer-typescript/ https://developer.chrome.com/blog/puppeteer-typescript/ https://chromium.googlesource.com/chromium/src/+/master/docs/webui_in_components.md https://chromium.googlesource.com/chromium/src/+/master/docs... Pure => not mixed with anything else https://dictionary.cambridge.org/dictionary/english/pure?q=Pure https://dictionary.cambridge.org/dictionary/english/pure?q=P...
- v8dev123 5y ago
  "In 2017, the Qt Company estimated a community of about 1 million developers worldwide[18] in over 70 industries." See list of companies using C++ QT for GUI, https://en.wikipedia.org/wiki/Qt_(software) https://en.wikipedia.org/wiki/Qt_(software)
  - pjmlp 5y ago
    1 - Qt is not an OS SDK. Apparently you missed that part of my comment. 2 - Qt has been migrating away from pure C++, again you also missed pure from my comment, modern Qt applications are written in Qt Quick, a JavaScript dialect, with underlying components written in C++. C++ Widgets have hardly changed since Qt 4, other than being updated to the underlying Qt infrastructure.
    - v8dev123 5y ago
      1. QT is cross platform. 2. QT not moving away from pure C++. C++ apps always been more responsive than java swing and electron.
      - pjmlp 5y ago
        Again, read my comment, very carefully, then you migth get it. Afterwards go learn how to create a GUI for macOS, iOS, Android, ChromeOS, Windows, WebOS (as shipped by LG) or even Fuchsia, using only their SDKs and nothing else. As for Qt not moving away from pure C++, go use it with pure C++ on iOS, Android and embedded devices. Maybe you will get it, but I am not so sure.
        v8dev123 5y ago
        QT is not moving away from pure C++. QT using QML for front end now and for backend you have to use C++. Please see this commend by Ivan, https://www.reddit.com/r/cpp/comments/s0mhf/qt_5_moving_away_from_c_to_javascript/ https://www.reddit.com/r/cpp/comments/s0mhf/qt_5_moving_away... > Afterwards go learn how to create a GUI for macOS, iOS, Android, ChromeOS, Windows, WebOS (as shipped by LG) or even Fuchsia, using only their SDKs and nothing else. Why use native SDK when there is QT? The same can be said for Java. Why use Swing when there is native SDK? Ahahhaa The way you treat C++ is unfair.

pjmlp 5y ago

Not everyone is Google, and since you work there you are surely aware of tooling like Ghidra and IDA. GraalVM is not what I would pick for AOT Java projects, there are other products since 2000. In any case, this isn't a comparisasion of language bullet points. Just because a software product has been migrated from C++ into Java, .NET or whatever language, it doesn't mean it is a sacrilege to keep some native lib around, which is exactly where all mainstream OSes are going, with C++ being left for the bottom layers. How many desktop GUIs is Google shipping written in pure C++?

RcouF1uZ4gsC 5y ago
> How many desktop GUIs is Google shipping written in pure C++? You mean apart from the Chrome browser?
- pjmlp 5y ago
  https://developer.chrome.com/blog/migrating-to-typescript/ https://developer.chrome.com/blog/migrating-to-typescript/ https://developer.chrome.com/blog/puppeteer-typescript/ https://developer.chrome.com/blog/puppeteer-typescript/ https://chromium.googlesource.com/chromium/src/+/master/docs/webui_in_components.md https://chromium.googlesource.com/chromium/src/+/master/docs... Pure => not mixed with anything else https://dictionary.cambridge.org/dictionary/english/pure?q=Pure https://dictionary.cambridge.org/dictionary/english/pure?q=P...
v8dev123 5y ago
"In 2017, the Qt Company estimated a community of about 1 million developers worldwide[18] in over 70 industries." See list of companies using C++ QT for GUI, https://en.wikipedia.org/wiki/Qt_(software) https://en.wikipedia.org/wiki/Qt_(software)
- pjmlp 5y ago
  1 - Qt is not an OS SDK. Apparently you missed that part of my comment. 2 - Qt has been migrating away from pure C++, again you also missed pure from my comment, modern Qt applications are written in Qt Quick, a JavaScript dialect, with underlying components written in C++. C++ Widgets have hardly changed since Qt 4, other than being updated to the underlying Qt infrastructure.
  - v8dev123 5y ago
    1. QT is cross platform. 2. QT not moving away from pure C++. C++ apps always been more responsive than java swing and electron.
    - pjmlp 5y ago
      Again, read my comment, very carefully, then you migth get it. Afterwards go learn how to create a GUI for macOS, iOS, Android, ChromeOS, Windows, WebOS (as shipped by LG) or even Fuchsia, using only their SDKs and nothing else. As for Qt not moving away from pure C++, go use it with pure C++ on iOS, Android and embedded devices. Maybe you will get it, but I am not so sure.
      - v8dev123 5y ago
        QT is not moving away from pure C++. QT using QML for front end now and for backend you have to use C++. Please see this commend by Ivan, https://www.reddit.com/r/cpp/comments/s0mhf/qt_5_moving_away_from_c_to_javascript/ https://www.reddit.com/r/cpp/comments/s0mhf/qt_5_moving_away... > Afterwards go learn how to create a GUI for macOS, iOS, Android, ChromeOS, Windows, WebOS (as shipped by LG) or even Fuchsia, using only their SDKs and nothing else. Why use native SDK when there is QT? The same can be said for Java. Why use Swing when there is native SDK? Ahahhaa The way you treat C++ is unfair.