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| author | Eric Holk <eholk@google.com> | 2019-05-16 08:33:12 -0700 |
|---|---|---|
| committer | Eric Holk <eholk@google.com> | 2019-05-21 09:55:11 -0700 |
| commit | 5c2dc29940df842f88413f5593064cf71c2dcd63 (patch) | |
| tree | 1460e3d0e32ece4f5fab5a3392949f26dd55218f /compiler/optimizing/graph_visualizer.cc | |
| parent | 17e5ba9850afd5ba5b62634426641efbd24d5076 (diff) | |
Use string length from DEX instead of recomputing
This gives around a 2% improvement in startup time overall. Here are results from a selection of
apps:
com.android.gallery3d/.app.GalleryActivity: 203.2ms → 197.7ms (change: -5.4ms, -2.7%)
com.android.messaging/.ui.conversationlist.ConversationListActivity:
202.1ms → 199.1ms (change: -3.0ms, -1.5%)
com.android.contacts/.activities.PeopleActivity: 277.3ms → 270.7ms (change: -6.6ms, -2.4%)
com.android.camera2/com.android.camera.CameraLauncher:
351.7ms → 344.1ms (change: -7.7ms, -2.2%)
com.android.dialer/.main.impl.MainActivity: 259.5ms → 254.2ms (change: -5.3ms, -2.0%)
com.android.settings/.Settings: 189.0ms → 186.5ms (change: -2.4ms, -1.3%)
com.android.email/.activity.Welcome: 222.8ms → 219.3ms (change: -3.6ms, -1.6%)
org.mozilla.firefox/.App: 370.2ms → 358.3ms (change: -11.9ms, -3.2%)
This is the average of 100 runs on a Pixel 2 XL.
Bug: 132691958
Test: device boots, start app many times
Change-Id: I93b6eb5105e32788cfc8159c6c21b400a161f86c
Diffstat (limited to 'compiler/optimizing/graph_visualizer.cc')
0 files changed, 0 insertions, 0 deletions