Change Java to use array indexes instead of methods

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Method invocations are not entirely free on Android. Change the
generated Java code to use the same array-based approach used in
JS and C to compute dimensions, positions, etc instead of relying
too heavily on method invovations. As a bonus, the Java transpiler
becomes a lot simpler because the code is more analogous to the C
counterpart.

In my local benchmarks this change gives us a major performance
boost on Android (between 15% and 30%) depending on the device
and the runtime (Dalvik|Art).

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This commit is contained in:

Lucas Rocha

2015-09-04 13:50:28 +01:00

parent 00c8428015

commit 06c708053f

8 changed files with 2752 additions and 2921 deletions

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src/java/tests/com/facebook/csslayout/LayoutEngineTest.java

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