D8059: KDevelop: abstractfilemanagerimport benchmark

[René J.V. Bertin]

rjvbb updated this revision to Diff 21300.
rjvbb added a comment.


  Updated as requested.
  
  Results on Linux ("stock" dirwatching):
  
  INotify backend
  
    > perf stat -r 3 abstractfilemanagerpluginimportbenchmark gcc-7.2.0
    KDirWatch backend: Inotify
    Starting import of project gcc-7.2.0
            creating dirwatcher took 1.265 seconds
    importing project 0 took 3.162 seconds
    Done in 4.428 seconds total
    KDirWatch backend: Inotify
    Starting import of project gcc-7.2.0
            creating dirwatcher took 1.232 seconds
    importing project 0 took 3.098 seconds
    Done in 4.331 seconds total
    KDirWatch backend: Inotify
    Starting import of project gcc-7.2.0
            creating dirwatcher took 1.307 seconds
    importing project 0 took 3.14 seconds
    Done in 4.448 seconds total
    
     Performance counter stats for 'abstractfilemanagerpluginimportbenchmark gcc-7.2.0' (3 runs):
    
           5115.785502      task-clock:u (msec)       #    0.976 CPUs utilized            ( +-  0.84% )
                     0      context-switches:u        #    0.000 K/sec                  
                     0      cpu-migrations:u          #    0.000 K/sec                  
                23,868      page-faults:u             #    0.005 M/sec                    ( +-  0.86% )
         4,749,860,940      cycles:u                  #    0.928 GHz                      ( +-  0.14% )
         3,097,364,964      instructions:u            #    0.65  insn per cycle           ( +-  0.01% )
           741,470,473      branches:u                #  144.938 M/sec                    ( +-  0.02% )
            23,852,653      branch-misses:u           #    3.22% of all branches          ( +-  0.23% )
    
           5.241247911 seconds time elapsed                                          ( +-  0.76% )
  
  QFileSystemWatcher backend
  
    > env KDIRWATCH_METHOD=QFSWatch time perf stat -r 3 abstractfilemanagerpluginimportbenchmark gcc-7.2.0
    KDirWatch backend: QFSWatch
    Starting import of project gcc-7.2.0
            creating dirwatcher took 183.192 seconds
    importing project 0 took 3.54 seconds
    Done in 186.734 seconds total
    KDirWatch backend: QFSWatch
    Starting import of project gcc-7.2.0
            creating dirwatcher took 176.655 seconds
    importing project 0 took 4.017 seconds
    Done in 180.672 seconds total
    KDirWatch backend: QFSWatch
    Starting import of project gcc-7.2.0
            creating dirwatcher took 175.662 seconds
    importing project 0 took 3.14 seconds
    Done in 178.803 seconds total
    
     Performance counter stats for 'abstractfilemanagerpluginimportbenchmark gcc-7.2.0' (3 runs):
    
         175971.327864      task-clock:u (msec)       #    0.959 CPUs utilized            ( +-  1.38% )
                     0      context-switches:u        #    0.000 K/sec                  
                     0      cpu-migrations:u          #    0.000 K/sec                  
                34,114      page-faults:u             #    0.194 K/sec                    ( +-  0.48% )
       310,070,244,556      cycles:u                  #    1.762 GHz                      ( +-  0.20% )
        54,088,827,245      instructions:u            #    0.17  insn per cycle           ( +-  0.00% )
         8,733,088,527      branches:u                #   49.628 M/sec                    ( +-  0.00% )
           206,976,905      branch-misses:u           #    2.37% of all branches          ( +-  0.35% )
    
         183.439620257 seconds time elapsed                                          ( +-  1.32% )

CHANGES SINCE LAST UPDATE
  https://phabricator.kde.org/D8059?vs=21200&id=21300

REVISION DETAIL
  https://phabricator.kde.org/D8059

AFFECTED FILES
  kdevplatform/project/abstractfilemanagerplugin.h
  kdevplatform/project/tests/CMakeLists.txt
  kdevplatform/project/tests/abstractfilemanagerpluginimportbenchmark.cpp

To: rjvbb, #kdevelop, mwolff
Cc: mwolff, kdevelop-devel, geetamc, Pilzschaf, akshaydeo, surgenight, arrowdodger
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