Eliot Miranda uploaded a new version of VMMaker to project VM Maker: http://source.squeak.org/VMMaker/VMMaker.oscog-eem.3299.mcz
==================== Summary ====================
Name: VMMaker.oscog-eem.3299 Author: eem Time: 13 January 2023, 2:24:26.105002 pm UUID: 35ad78ad-0942-4eac-8933-d519dee50a12 Ancestors: VMMaker.oscog-eem.3298
Add a useful comment to benchmarkFollowForwardingPointersOfReceiverAndTemporariesInStackZone to compare it to benchmarkFollowForwardersInStackZone.
Here's the comparison, on a MacBook Pro (16-inch, 2021), Apple M1 Max, Cores: 10 (8 performance and 2 efficiency): 11.176 usecs average for ollowForwardersInStackZone 14.501 usecs average for followForwardingPointersOfReceiverAndTemporariesInStackZone
And here's stats for jitting all of CompiledCode's methods: min max average 2.417 79.257 9.674 usecs to JIT 2 20 5.938 number of literals 1 106 17.464 number of bytecodes
=============== Diff against VMMaker.oscog-eem.3298 ===============
Item was changed: ----- Method: CoInterpreter class>>benchmarkFollowForwardingPointersOfReceiverAndTemporariesInStackZone (in category 'benchmarks') ----- benchmarkFollowForwardingPointersOfReceiverAndTemporariesInStackZone "Answer the elapsed time in microseconds for followForwardingPointersOfReceiverAndTemporariesInStackZone."
| ticksPerMicrosecond | ticksPerMicrosecond := Time highResClockTicksPerMillisecond / 1000.0. ^self primitiveBenchmarkFollowForwardersOfReceiverAndTemporariesInStackZone / ticksPerMicrosecond
+ "self benchmarkFollowForwardingPointersOfReceiverAndTemporariesInStackZone" + "| goDeep | + goDeep := #defined. + goDeep := [:depth| | laurel hardy | + depth < 1 + ifTrue: + [laurel := OrderedCollection new. + hardy := laurel copy. + 10 timesRepeat: + [laurel add: self benchmarkFollowForwardersInStackZone. + hardy add: self benchmarkFollowForwardingPointersOfReceiverAndTemporariesInStackZone]. + { laurel. hardy } collect: [:stats| stats average roundTo: 0.001]] + ifFalse: + [goDeep value: depth - 1]]. + goDeep value: 1000"! - "self benchmarkFollowForwardingPointersOfReceiverAndTemporariesInStackZone"!
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