launch-performance.md

Total

• Set link conditioner on phone to 3G
• Launch Eigen from Xcode without atomatically launching the app and then once installed ‘stop’ Xcode

Mar  7 15:30:50 Eloy-Durans-iPhone-7 TestEigenLaunchTime[257] <Notice>: [Eigen Launch] 5961.579247: Start
Mar  7 15:30:51 Eloy-Durans-iPhone-7 Artsy[361] <Notice>: [Eigen Launch] 5962.778716: main()
Mar  7 15:30:51 Eloy-Durans-iPhone-7 Artsy[361] <Notice>: [Eigen Launch] 5962.828462: application:willFinishLaunchingWithOptions:
Mar  7 15:30:51 Eloy-Durans-iPhone-7 Artsy[361] <Notice>: [Eigen Launch] 5962.838538: application:didFinishLaunchingWithOptions:
Mar  7 15:30:51 Eloy-Durans-iPhone-7 Artsy(Emission)[361] <Notice>: [Eigen Launch] 5962.903825: -[ARHomeComponentViewController initWithSelectedArtist:tab:emission:]
Mar  7 15:30:55 Eloy-Durans-iPhone-7 Artsy(Extraction)[361] <Notice>: [Eigen Launch] 5966.513836: Done

Mar  7 15:32:00 Eloy-Durans-iPhone-7 TestEigenLaunchTime[257] <Notice>: [Eigen Launch] 6031.930066: Start
Mar  7 15:32:01 Eloy-Durans-iPhone-7 Artsy[370] <Notice>: [Eigen Launch] 6032.325928: main()
Mar  7 15:32:01 Eloy-Durans-iPhone-7 Artsy[370] <Notice>: [Eigen Launch] 6032.378679: application:willFinishLaunchingWithOptions:
Mar  7 15:32:01 Eloy-Durans-iPhone-7 Artsy[370] <Notice>: [Eigen Launch] 6032.385295: application:didFinishLaunchingWithOptions:
Mar  7 15:32:01 Eloy-Durans-iPhone-7 Artsy(Emission)[370] <Notice>: [Eigen Launch] 6032.430065: -[ARHomeComponentViewController initWithSelectedArtist:tab:emission:]
Mar  7 15:32:04 Eloy-Durans-iPhone-7 Artsy(Extraction)[370] <Notice>: [Eigen Launch] 6035.833356: Done

Mar  7 15:33:07 Eloy-Durans-iPhone-7 TestEigenLaunchTime[257] <Notice>: [Eigen Launch] 6098.718303: Start
Mar  7 15:33:08 Eloy-Durans-iPhone-7 Artsy[380] <Notice>: [Eigen Launch] 6099.775577: main()
Mar  7 15:33:08 Eloy-Durans-iPhone-7 Artsy[380] <Notice>: [Eigen Launch] 6099.825744: application:willFinishLaunchingWithOptions:
Mar  7 15:33:08 Eloy-Durans-iPhone-7 Artsy[380] <Notice>: [Eigen Launch] 6099.833198: application:didFinishLaunchingWithOptions:
Mar  7 15:33:08 Eloy-Durans-iPhone-7 Artsy(Emission)[380] <Notice>: [Eigen Launch] 6099.881311: -[ARHomeComponentViewController initWithSelectedArtist:tab:emission:]
Mar  7 15:33:12 Eloy-Durans-iPhone-7 Artsy(Extraction)[380] <Notice>: [Eigen Launch] 6103.998108: Done

DYLD

Before

2018-03-07 22:22:21.568606+0100 Artsy[679:151953] [DYMTLInitPlatform] platform initialization successful
Total pre-main time: 2.0 seconds (100.0%)
         dylib loading time: 1.0 seconds (52.0%)
        rebase/binding time: 105.15 milliseconds (5.2%)
            ObjC setup time: 281.63 milliseconds (13.9%)
           initializer time: 580.24 milliseconds (28.7%)
           slowest intializers :
             libSystem.B.dylib :  11.50 milliseconds (0.5%)
                       ModelIO :  48.35 milliseconds (2.3%)
          libglInterpose.dylib : 134.73 milliseconds (6.6%)
         libMTLInterpose.dylib :  73.35 milliseconds (3.6%)
                      Emission : 161.22 milliseconds (7.9%)
                         Artsy : 111.33 milliseconds (5.5%)

2018-03-07 22:22:21.568606+0100 Artsy[679:151953] [DYMTLInitPlatform] platform initialization successful
Total pre-main time: 2.0 seconds (100.0%)
         dylib loading time: 1.0 seconds (52.0%)
        rebase/binding time: 105.15 milliseconds (5.2%)
            ObjC setup time: 281.63 milliseconds (13.9%)
           initializer time: 580.24 milliseconds (28.7%)
           slowest intializers :
             libSystem.B.dylib :  11.50 milliseconds (0.5%)
                       ModelIO :  48.35 milliseconds (2.3%)
          libglInterpose.dylib : 134.73 milliseconds (6.6%)
         libMTLInterpose.dylib :  73.35 milliseconds (3.6%)
                      Emission : 161.22 milliseconds (7.9%)
                         Artsy : 111.33 milliseconds (5.5%)

After

Total pre-main time: 582.34 milliseconds (100.0%)
         dylib loading time: 317.66 milliseconds (54.5%)
        rebase/binding time:  26.46 milliseconds (4.5%)
            ObjC setup time: 123.36 milliseconds (21.1%)
           initializer time: 114.75 milliseconds (19.7%)
           slowest intializers :
             libSystem.B.dylib :   7.76 milliseconds (1.3%)
                         Artsy : 161.89 milliseconds (27.7%)

Total pre-main time: 458.80 milliseconds (100.0%)
         dylib loading time: 353.15 milliseconds (76.9%)
        rebase/binding time:   9.71 milliseconds (2.1%)
            ObjC setup time:  31.48 milliseconds (6.8%)
           initializer time:  64.36 milliseconds (14.0%)
           slowest intializers :
             libSystem.B.dylib :   5.38 milliseconds (1.1%)
                         Artsy :  95.67 milliseconds (20.8%)

For demo days, make a joke about how many seconds the saving save all of our users in total.