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by mike_hearn
3758 days ago
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Interesting how things go in circles. Dalvik was an interpreter+tracing JIT. Then ART went full AOT. Now ART is going back to a hotspot-style JIT, I guess. The big question in my mind is how they will balance first-run performance against the desire for fast installs. People's impression of an app is determined by their first run. If it's slow, because nothing has been compiled yet, and if it doesn't get fast until that night when the phone is charging, then that's going to be a huge problem for a lot of developers. If you can ship a pre-calculated profile with the app and that's used to do AOT compilation of the hotspots at install time, that'd represent an excellent balance. |
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