FTL: WebKit’s LLVM based JIT

Over the past year, the WebKit project made tremendous progress on the ability to optimize JavaScript applications. A major part of that effort was the introduction of the Fourth Tier LLVM (FTL) JIT. The Fourth Tier JIT targets long-running JavaScript content and performs a level of optimization beyond WebKit's interpreter, baseline JIT, and high-level optimizing JIT. See the FTL Optimization Stra

[efcl]

FTL JITについての解説。 LLVMを使ったJITで、どのような最適化戦略が取られているかについて。 FTLはLLVMのフロントエンドに対してより最適なLLVM IRを生成することを目的にいる。

[kazuhooku]

"FTL makes it clear that LLVM can be used to accelerate a dynamically type checked languages in a competitive production environment"