Hello:

During a long compute (in a while loop), I've asked R to report progress via:
        

# Progress report every 3 minutes
  et3i <- proc.time()-startT3i
  if(max(et3i)>180){
    startT3i <- proc.time()
    cat('iscan = ', iscan3, '; et3i = ',
        round(et3i[1:3]), '\n')
  }


          When it's running properly, I get something like the following:


iscan =  22992 ; et3i =  180 26 104
        

However if I leave my computer running unattended, I can get reports like the following:


iscan =  32124 ; et3i =  22 1 180


          Evidently, macOS 11.7.4 decided NOT to give time to R.


          Suggestions?
          Thanks,
          Spencer Graves


 sessionInfo()
R version 4.2.2 (2022-10-31)
Platform: x86_64-apple-darwin17.0 (64-bit)
Running under: macOS Big Sur 11.7.4

Matrix products: default
LAPACK: /Library/Frameworks/R.framework/Versions/4.2/Resources/lib/libRlapack.dylib

locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

loaded via a namespace (and not attached):
[1] compiler_4.2.2 tools_4.2.2    knitr_1.42     xfun_0.37
>

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