[cfe-dev] Clang: How to Analyse Compiletime of Templates?

Dennis Luehring via cfe-dev cfe-dev at lists.llvm.org
Thu Mar 5 11:27:50 PST 2020


Thx for the links, very promising

Am 05.03.2020 um 20:22 schrieb Alexandre Ganea:
> Hi Dennis,
>
> Along with -ftime-trace, try either:
> - Clang Build Analyzer: https://aras-p.info/blog/2019/09/28/Clang-Build-Analyzer/
> - See++ Compiler Profiler: https://github.com/Viladoman/SeeProfiler
>
>
> -----Message d'origine-----
> De : cfe-dev <cfe-dev-bounces at lists.llvm.org> De la part de Dennis Luehring via cfe-dev
> Envoyé : March 5, 2020 2:16 PM
> À : cfe-dev at lists.llvm.org
> Objet : [cfe-dev] Clang: How to Analyse Compiletime of Templates?
>
> hello clang-devs,
>
> is clang able to help me to finde the most compiletime consuming templates in a 500KLOC app which uses a huge template library - something like a overview what templates are reasonable to optimize (in my case hide the template behind a specialized interface)
>
> i've read about /ftime
>
> https://aras-p.info/blog/2019/01/16/time-trace-timeline-flame-chart-profiler-for-Clang/
>
> but that seems no to help with template instanciation
>
> any advice?
>
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