Trac opt

[fundon]

node --trace-opt --trace-deopt --allow-natives-syntax --code-comments examples/compose.js

master

[disabled optimization for 0xbac086dfbc1 <SharedFunctionInfo NativeModule.compile>, reason: TryFinallyStatement]
[disabled optimization for 0xcf53d4f8b01 <SharedFunctionInfo createUnsafeBuffer>, reason: TryFinallyStatement]
[didn't find optimized code in optimized code map for 0x2c65ee0d299 <SharedFunctionInfo>]
[disabled optimization for 0xbac08652d21 <SharedFunctionInfo Join>, reason: TryFinallyStatement]
[disabled optimization for 0xbac08671bd1 <SharedFunctionInfo WeakMap>, reason: TryCatchStatement]
[disabled optimization for 0x2c65ee35461 <SharedFunctionInfo>, reason: TryCatchStatement]
[didn't find optimized code in optimized code map for 0x2c65ee15919 <SharedFunctionInfo debugs.(anonymous function)>]
[disabled optimization for 0xbac08670ac9 <SharedFunctionInfo Map>, reason: TryCatchStatement]
[didn't find optimized code in optimized code map for 0x2c65ee15919 <SharedFunctionInfo debugs.(anonymous function)>]
[disabled optimization for 0x2c65ee2ecc1 <SharedFunctionInfo tryModuleLoad>, reason: TryFinallyStatement]
[disabled optimization for 0x2c65ee37311 <SharedFunctionInfo tryStatSync>, reason: TryFinallyStatement]
[disabled optimization for 0x2c65ee373d1 <SharedFunctionInfo tryCreateBuffer>, reason: TryFinallyStatement]
[disabled optimization for 0x2c65ee37491 <SharedFunctionInfo tryReadSync>, reason: TryFinallyStatement]
[disabled optimization for 0x2c65ee616c9 <SharedFunctionInfo require>, reason: TryFinallyStatement]
[disabled optimization for 0x2c65ee2e9c1 <SharedFunctionInfo readPackage>, reason: TryCatchStatement]
[disabled optimization for 0x2c65ee65611 <SharedFunctionInfo compose>, reason: TryCatchStatement]
[didn't find optimized code in optimized code map for 0x2c65ee66349 <SharedFunctionInfo value.fn>]
[didn't find optimized code in optimized code map for 0x2c65ee66349 <SharedFunctionInfo value.fn>]
[disabled optimization for 0xbac08674f51 <SharedFunctionInfo Promise>, reason: TryCatchStatement]
[disabled optimization for 0xbac086743c9 <SharedFunctionInfo resolvePromise>, reason: TryCatchStatement]
[disabled optimization for 0xbac08673f09 <SharedFunctionInfo PromiseHandle>, reason: TryCatchStatement]
[didn't find optimized code in optimized code map for 0x2c65ee69549 <SharedFunctionInfo>]
[didn't find optimized code in optimized code map for 0x2c65ee69549 <SharedFunctionInfo>]
[didn't find optimized code in optimized code map for 0x2c65ee69549 <SharedFunctionInfo>]
[didn't find optimized code in optimized code map for 0x2c65ee15919 <SharedFunctionInfo debugs.(anonymous function)>]
[disabled optimization for 0xbac086deb41 <SharedFunctionInfo installInspectorConsoleIfNeeded>, reason: TryCatchStatement]
[disabled optimization for 0xcf53d4f24e9 <SharedFunctionInfo formatValue>, reason: TryCatchStatement]
true

no-iterator

[disabled optimization for 0x310113fdf671 <SharedFunctionInfo NativeModule.compile>, reason: TryFinallyStatement]
[disabled optimization for 0x2b7520df7b59 <SharedFunctionInfo createUnsafeBuffer>, reason: TryFinallyStatement]
[didn't find optimized code in optimized code map for 0x3633bef0bbf1 <SharedFunctionInfo>]
[disabled optimization for 0x310113f52d21 <SharedFunctionInfo Join>, reason: TryFinallyStatement]
[disabled optimization for 0x310113f71bd1 <SharedFunctionInfo WeakMap>, reason: TryCatchStatement]
[disabled optimization for 0x3633bef325f1 <SharedFunctionInfo>, reason: TryCatchStatement]
[didn't find optimized code in optimized code map for 0x3633bef13f31 <SharedFunctionInfo debugs.(anonymous function)>]
[disabled optimization for 0x310113f70ac9 <SharedFunctionInfo Map>, reason: TryCatchStatement]
[didn't find optimized code in optimized code map for 0x3633bef13f31 <SharedFunctionInfo debugs.(anonymous function)>]
[disabled optimization for 0x3633bef2c1b9 <SharedFunctionInfo tryModuleLoad>, reason: TryFinallyStatement]
[disabled optimization for 0x3633bef34181 <SharedFunctionInfo tryStatSync>, reason: TryFinallyStatement]
[disabled optimization for 0x3633bef34241 <SharedFunctionInfo tryCreateBuffer>, reason: TryFinallyStatement]
[disabled optimization for 0x3633bef34301 <SharedFunctionInfo tryReadSync>, reason: TryFinallyStatement]
[disabled optimization for 0x3633bef5d589 <SharedFunctionInfo require>, reason: TryFinallyStatement]
[disabled optimization for 0x3633bef2beb9 <SharedFunctionInfo readPackage>, reason: TryCatchStatement]
[disabled optimization for 0x3633bef60ff9 <SharedFunctionInfo compose>, reason: TryCatchStatement]
[didn't find optimized code in optimized code map for 0x3633bef61b69 <SharedFunctionInfo fn>]
[didn't find optimized code in optimized code map for 0x3633bef61b69 <SharedFunctionInfo fn>]
[disabled optimization for 0x310113f74f51 <SharedFunctionInfo Promise>, reason: TryCatchStatement]
[disabled optimization for 0x310113f743c9 <SharedFunctionInfo resolvePromise>, reason: TryCatchStatement]
[disabled optimization for 0x310113f73f09 <SharedFunctionInfo PromiseHandle>, reason: TryCatchStatement]
[didn't find optimized code in optimized code map for 0x3633bef64b49 <SharedFunctionInfo>]
[didn't find optimized code in optimized code map for 0x3633bef64b49 <SharedFunctionInfo>]
[didn't find optimized code in optimized code map for 0x3633bef64b49 <SharedFunctionInfo>]
[didn't find optimized code in optimized code map for 0x3633bef13f31 <SharedFunctionInfo debugs.(anonymous function)>]
[didn't find optimized code in optimized code map for 0x3633bef8c781 <SharedFunctionInfo WritableState.onwrite>]
[didn't find optimized code in optimized code map for 0x3633bef8ce49 <SharedFunctionInfo CorkedRequest.finish>]
[disabled optimization for 0x310113fde801 <SharedFunctionInfo installInspectorConsoleIfNeeded>, reason: TryCatchStatement]
[disabled optimization for 0x2b7520df1731 <SharedFunctionInfo formatValue>, reason: TryCatchStatement]
true

Diff

[fundon]

> node --trace-opt --trace-deopt --trace-inlining examples/compose.js
[disabled optimization for 0x3b47948df671 <SharedFunctionInfo NativeModule.compile>, reason: TryFinallyStatement]
[disabled optimization for 0x2b4b3a2f74b9 <SharedFunctionInfo createUnsafeBuffer>, reason: TryFinallyStatement]
[didn't find optimized code in optimized code map for 0x17f40620ba59 <SharedFunctionInfo>]
[disabled optimization for 0x3b4794852d21 <SharedFunctionInfo Join>, reason: TryFinallyStatement]
[disabled optimization for 0x3b4794871bd1 <SharedFunctionInfo WeakMap>, reason: TryCatchStatement]
[disabled optimization for 0x17f406232671 <SharedFunctionInfo>, reason: TryCatchStatement]
[didn't find optimized code in optimized code map for 0x17f406213cd1 <SharedFunctionInfo debugs.(anonymous function)>]
[disabled optimization for 0x3b4794870ac9 <SharedFunctionInfo Map>, reason: TryCatchStatement]
[didn't find optimized code in optimized code map for 0x17f406213cd1 <SharedFunctionInfo debugs.(anonymous function)>]
[disabled optimization for 0x17f40622c259 <SharedFunctionInfo tryModuleLoad>, reason: TryFinallyStatement]
[disabled optimization for 0x17f406234201 <SharedFunctionInfo tryStatSync>, reason: TryFinallyStatement]
[disabled optimization for 0x17f4062342c1 <SharedFunctionInfo tryCreateBuffer>, reason: TryFinallyStatement]
[disabled optimization for 0x17f406234381 <SharedFunctionInfo tryReadSync>, reason: TryFinallyStatement]
[disabled optimization for 0x17f40625d781 <SharedFunctionInfo require>, reason: TryFinallyStatement]
[disabled optimization for 0x17f40622bf59 <SharedFunctionInfo readPackage>, reason: TryCatchStatement]
[disabled optimization for 0x17f4062612a1 <SharedFunctionInfo compose>, reason: TryCatchStatement]
[didn't find optimized code in optimized code map for 0x17f406261dd1 <SharedFunctionInfo fn>]
[didn't find optimized code in optimized code map for 0x17f406261dd1 <SharedFunctionInfo fn>]
[disabled optimization for 0x3b4794874f51 <SharedFunctionInfo Promise>, reason: TryCatchStatement]
[disabled optimization for 0x3b47948743c9 <SharedFunctionInfo resolvePromise>, reason: TryCatchStatement]
[disabled optimization for 0x3b4794873f09 <SharedFunctionInfo PromiseHandle>, reason: TryCatchStatement]
[didn't find optimized code in optimized code map for 0x17f406264ee1 <SharedFunctionInfo>]
[didn't find optimized code in optimized code map for 0x17f406264ee1 <SharedFunctionInfo>]
[didn't find optimized code in optimized code map for 0x17f406264ee1 <SharedFunctionInfo>]
[didn't find optimized code in optimized code map for 0x17f406213cd1 <SharedFunctionInfo debugs.(anonymous function)>]
[didn't find optimized code in optimized code map for 0x17f406288f81 <SharedFunctionInfo WritableState.onwrite>]
[didn't find optimized code in optimized code map for 0x17f406289649 <SharedFunctionInfo CorkedRequest.finish>]
[disabled optimization for 0x3b47948de801 <SharedFunctionInfo installInspectorConsoleIfNeeded>, reason: TryCatchStatement]
[disabled optimization for 0x2b4b3a2f0f71 <SharedFunctionInfo formatValue>, reason: TryCatchStatement]
true

[fundon]

v7.6.0

node --trace-opt --trace-deopt --trace-inlining examples/compose.js
[marking 0x26e89d515821 <JS Function toUpperCase (SharedFunctionInfo 0x13c459f2ade1)> for optimized recompilation, reason: hot and stable, ICs with typeinfo: 0/0 (100%), generic ICs: 0/0 (0%)]
[compiling method 0x26e89d515821 <JS Function toUpperCase (SharedFunctionInfo 0x13c459f2ade1)> using TurboFan]
[optimizing 0x26e89d515821 <JS Function toUpperCase (SharedFunctionInfo 0x13c459f2ade1)> - took 0.346, 0.241, 0.036 ms]
[completed optimizing 0x26e89d515821 <JS Function toUpperCase (SharedFunctionInfo 0x13c459f2ade1)>]
true

[fundon]

v8.2.2

[enforcing Ignition and TurboFan for ObjectConstructor because: Super reference
[enforcing Ignition and TurboFan for Uint8ArrayConstructor because: Super reference
[enforcing Ignition and TurboFan for Int8ArrayConstructor because: Super reference
[enforcing Ignition and TurboFan for Uint16ArrayConstructor because: Super reference
[enforcing Ignition and TurboFan for Int16ArrayConstructor because: Super reference
[enforcing Ignition and TurboFan for Uint32ArrayConstructor because: Super reference
[enforcing Ignition and TurboFan for Int32ArrayConstructor because: Super reference
[enforcing Ignition and TurboFan for Float32ArrayConstructor because: Super reference
[enforcing Ignition and TurboFan for Float64ArrayConstructor because: Super reference
[enforcing Ignition and TurboFan for Uint8ClampedArrayConstructor because: Super reference
[enforcing Ignition and TurboFan for SetConstructor because: TryCatchStatement
[enforcing Ignition and TurboFan for MapConstructor because: TryCatchStatement
[enforcing Ignition and TurboFan for WeakMapConstructor because: TryCatchStatement
[enforcing Ignition and TurboFan for WeakSetConstructor because: TryCatchStatement
[enforcing Ignition and TurboFan for CollatorConstructor because: Super reference
[enforcing Ignition and TurboFan for NumberFormatConstructor because: Super reference
[enforcing Ignition and TurboFan for DateTimeFormatConstructor because: Super reference
[enforcing Ignition and TurboFan for v8BreakIteratorConstructor because: Super reference
[enforcing Ignition and TurboFan for PostNatives because: TryCatchStatement
[enforcing Ignition and TurboFan for NativeModule.compile because: TryFinallyStatement
[enforcing Ignition and TurboFan for  because: Class literal
[enforcing Ignition and TurboFan for  because: Class literal
[enforcing Ignition and TurboFan for makeNodeError because: Class literal
[enforcing Ignition and TurboFan for createUnsafeArrayBuffer because: TryFinallyStatement
[enforcing Ignition and TurboFan for  because: Class literal
[enforcing Ignition and TurboFan for Join because: TryFinallyStatement
[enforcing Ignition and TurboFan for  because: Class literal
[enforcing Ignition and TurboFan for setupNextTick because: Class literal
[enforcing Ignition and TurboFan for NextTickQueue because: Class constructor function
[enforcing Ignition and TurboFan for  because: Computed property name
[enforcing Ignition and TurboFan for defineIDLClass because: TryCatchStatement
[enforcing Ignition and TurboFan for  because: TryCatchStatement
[enforcing Ignition and TurboFan for  because: Class literal
[enforcing Ignition and TurboFan for toRealPath because: Computed property name
[enforcing Ignition and TurboFan for tryModuleLoad because: TryFinallyStatement
[enforcing Ignition and TurboFan for tryStatSync because: TryFinallyStatement
[enforcing Ignition and TurboFan for tryCreateBuffer because: TryFinallyStatement
[enforcing Ignition and TurboFan for FastBuffer because: Super reference
[enforcing Ignition and TurboFan for tryReadSync because: TryFinallyStatement
[enforcing Ignition and TurboFan for require because: TryFinallyStatement
[enforcing Ignition and TurboFan for readPackage because: TryCatchStatement
[enforcing Ignition and TurboFan for  because: Class literal
[enforcing Ignition and TurboFan for Middleware because: Call with spread argument
[enforcing Ignition and TurboFan for compose because: TryCatchStatement
[enforcing Ignition and TurboFan for installInspectorConsole because: TryCatchStatement
[enforcing Ignition and TurboFan for BufferList because: Class constructor function
[enforcing Ignition and TurboFan for log because: Rest parameters
[enforcing Ignition and TurboFan for formatValue because: TryCatchStatement
[enforcing Ignition and TurboFan for write because: TryCatchStatement
true
[enforcing Ignition and TurboFan for TickObject because: Class constructor function

[fundon]

v8.4.0

true