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Ignition + Turbofan update

Ross McIlroy

Google London

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Compiler Pipeline (2015)

Crankshaft

Optimized Code

TurboFan

Optimized

Full- codegen

Unoptimized Code

Baseline

Optimize

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Compiler Pipeline (2016)

Crankshaft

Optimized Code

TurboFan

Optimized

Full- codegen

Unoptimized Code

Baseline

Optimize

Ignition

Bytecode

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Compiler Pipeline (2017)

Optimized Code

TurboFan

Optimized

Baseline

Optimize

Ignition

Bytecode

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Code Memory Usage (Real Websites)

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Octane Performance

Full-Codegen + Crankshaft

Ignition + Crankshaft

Ignition + Turbofan

Better

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Octane Performance

Full-Codegen + Crankshaft

Ignition + Crankshaft

Ignition + Turbofan

40% slower

75% slower

<5% slower

15% slower

Better

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Startup Time (Real Websites)

Inbox

BBC News (AMP)

Facebook

Page Load (ms)

Default

Ignition

Default

Ignition

Default

Ignition

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Startup Time (Real Websites)

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