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HotPathVM: An Effective JIT Compiler for Resource-Constrained Devices (2006)
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| Venue: | Proceedings of the 2nd international conference on Virtual execution environments |
| Citations: | 43 - 8 self |
BibTeX
@INPROCEEDINGS{Gal06hotpathvm:an,
author = {Andreas Gal and Christian W. Probst},
title = {HotPathVM: An Effective JIT Compiler for Resource-Constrained Devices},
booktitle = {Proceedings of the 2nd international conference on Virtual execution environments},
year = {2006},
pages = {144--153},
publisher = {ACM Press}
}
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Abstract
We present a just-in-time compiler for a Java VM that is small enough to fit on resource-constrained devices, yet is surprisingly effective. Our system dynamically identifies traces of frequently executed bytecode instructions (which may span several basic blocks across several methods) and compiles them via Static Single Assignment (SSA) construction. Our novel use of SSA form in this context allows to hoist instructions across trace side-exits without necessitating expensive compensation code in off-trace paths. The overall memory consumption (code and data) of our system is only 150 kBytes, yet benchmarks show a speedup that in some cases rivals heavy-weight just-in-time compilers. 1.
Keyphrases
resource-constrained device effective jit compiler case rival heavy-weight just-in-time compiler novel use trace side-exits expensive compensation code static single assignment java vm bytecode instruction off-trace path overall memory consumption just-in-time compiler ssa form several method several basic block
