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How to make profile-guided optimizations in Qtcreator ?

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  • R Offline
    R Offline
    RahibeMeryem
    wrote on last edited by
    #1

    Hi,

    how I can use profile-guided optimizations in Qtcreator ? what is the proper xxx.pro flags?

    This is general usage :

    g++ -O3 -fprofile-generate [more params here, like -march=native ...] -o executable_name
    // run my program's benchmarks, or something to stress its most common path
    g++ -O3 -fprofile-use [more params here, like -march=native...] -o executable_name
    

    first its producing profile-generate . thand second compile using it

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