TurboFan

TurboFan is one of V8’s optimizing compilers leveraging a concept called “Sea of Nodes”. One of V8’s blog posts offers a high-level overview of TurboFan. More details can be found in the following resources.

Articles and blog posts #

• A tale of TurboFan
• Ignition + TurboFan and ES2015
• An introduction to speculative optimization in V8

Talks #

• CodeStubAssembler: Redux
• An overview of the TurboFan compiler
• TurboFan IR
• TurboFan’s JIT Design
• Fast arithmetic for dynamic languages
• Deoptimization in V8
• TurboFan: a new code generation architecture for V8 (video)
• An internship on laziness (+ blog post)

Design documents #

These are design documents that are mostly concerned with TurboFan internals.

• Function context specialization
• Rest parameters and arguments exotic objects optimization plan
• TurboFan developer tools integration
• TurboFan inlining
• TurboFan inlining heuristics
• TurboFan redundant bounds and overflow check elimination
• Lazy deoptimization without code patching
• Register allocator
• Projection nodes in TurboFan

Related design documents #

These are design documents that also affect TurboFan in a significant way.

• Computed property names (re)design document
• ES2015 and beyond performance plan
• Iterator builtins design document
• Making ES2015 classes fast
• RegExp builtins (re)design document
• Spread call performance