Tracing JIT for Javascript
This looks important. Smart guys from UC Irvine have developed a technique for getting significant performance gains in a JVM using a much simpler (and therefore smaller & cheaper) JIT model. The Adobe team behind the Tamarin VM for Javascript have announced a branch which is trying to use this technique. The original paper shows gains of 7x over interpretation against 10x for Hotspot. It’s easy to get mislead by micro-benchmarks but lets hope this materialises into gains on everyday workloads.
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