[Vm-dev] VM Maker: VMMaker.oscog-eem.3300.mcz

commits at source.squeak.org commits at source.squeak.org
Fri Jan 13 23:00:35 UTC 2023


Eliot Miranda uploaded a new version of VMMaker to project VM Maker:
http://source.squeak.org/VMMaker/VMMaker.oscog-eem.3300.mcz

==================== Summary ====================

Name: VMMaker.oscog-eem.3300
Author: eem
Time: 13 January 2023, 3:00:06.641275 pm
UUID: 3f65e3af-f9b2-4e1a-b881-f9272c7bde04
Ancestors: VMMaker.oscog-eem.3299

capture a few JIT timings

=============== Diff against VMMaker.oscog-eem.3299 ===============

Item was changed:
  ----- Method: CompiledCode>>benchmarkJITReceiver (in category '*VMMaker-benchmarks') -----
  benchmarkJITReceiver
  	"Answer the elapsed time in microseconds to jit the receiver."
  
  	| ticksPerMicrosecond |
  	ticksPerMicrosecond := Time highResClockTicksPerMillisecond / 1000.0.
  	^self primitiveBenchmarkJITReceiver / ticksPerMicrosecond
  
  	"| methods times nBytecodes nLiterals |
  	methods := self methodDict values.
  	times := methods collect: [:m| m benchmarkJITReceiver].
  	nLiterals := methods collect: #numLiterals.
  	nBytecodes := methods collect: [:m| m isQuick ifTrue: [1] ifFalse: [m endPC - m initialPC + 1]].
+ 	{times. nLiterals. nBytecodes} collect: [:stats| {stats min. stats max. stats average asFloat} collect: [:stat| stat roundTo: 0.001]]"
+ 
+ 	"On an Apple MacBook Pro (16-inch, 2021), Apple M1 Max, Cores:	10 (8 performance and 2 efficiency):
+ 
+ 	((Array withAllSuperclasses copyUpThrough: Collection) collect: [:c| c methodDict values]) fold: #,
+ 		 ((2.375	87.466		7.672)		(2		28		4.682)		(1	299	17.996))
+ 
+ 	CompiledCode methodDict values
+ 		((2.25		35.961		7.883)		(2		20		5.938)		(1	106	17.464))
+ 
+ 	((LargeNegativeInteger withAllSuperclasses copyUpThrough: Magnitude) collect: [:c| c methodDict values]) fold: #,
+ 		((1.458		148.429	8.951)		(2		51		5.405)		(1	569	22.580))"!
- 	{times. nLiterals. nBytecodes} collect: [:stats| {stats min. stats max. stats average asFloat} collect: [:stat| stat roundTo: 0.001]]"!



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