COMPILING SCALA FOR THE JAVA VIRTUAL MACHINE - EPFL

CONTENTS III
5.5 Type accessor methods ...................... 73
5.6 Type reflection method ...................... 74
5.7 Membership tests ......................... 75
5.8 Type casts ............................. 77
5.9 Default values ........................... 78
5.10 Array creation ........................... 78
5.11 Possible improvements ...................... 79
6 Performance impact of run time types 81
6.1 Micro benchmark ......................... 81
6.2 Large benchmarks ......................... 84
6.2.1 Benchmark programs .................. 84
6.2.2 Execution statistics .................... 86
6.2.3 Execution time ...................... 88
6.2.4 Code size ......................... 89
6.2.5 Memory consumption .................. 89
7 Related Work 91
7.1 Mixins ............................... 91
7.1.1 Jam ............................. 91
7.1.2 MIXEDJAVA ........................ 92
7.1.3 MIXGEN .......................... 93
7.1.4 Animorphic Smalltalk .................. 93
7.2 Run time types .......................... 94
7.2.1 Heterogeneous translations ............... 94
7.2.2 Homogeneous translations ............... 96
8 Conclusion and Future Work 101
A Scala’s type language 103
A.1 Singleton types ..........................103
A.2 Class types .............................104
A.3 Compound types .........................105