[R-SIG-Mac] R-gui slow since last update

[Luis Puerto]

Hey! 

I observe the same problem and on R Studio there is no problem at all. 

In my case I have a MBP 2019 13" 

sessionInfo() 

R version 4.0.5 (2021-03-31)
Platform: x86_64-apple-darwin17.0 (64-bit)
Running under: macOS Big Sur 10.16

Matrix products: default
BLAS:   /Library/Frameworks/R.framework/Versions/4.0/Resources/lib/libRblas.dylib
LAPACK: /Library/Frameworks/R.framework/Versions/4.0/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_4.0.5

Cheers!
Luis

> On 30 Apr 2021, at 17:56, ALPEROVYCH Yan <ALPEROVYCH using em-lyon.com> wrote:
> 
> Dear all,
> 
> Beyond the occasional red warnings about the 'NSPop….' buttons, warmups, etc. and similar issues reported elsewhere here I’ve noted the slowdown of R console with more and more output. Here is what I do to reliably reproduced it on my machine - MacBook Pro 2017 with Touch Bar (sessionInfo() is below).
> 
> 1. Start fresh R-gui
> 
> 2. Paste the following text in the editor. Note that lines are commented, this is enough to show the problem. It obvisouly gets worse if R has to evaluate.
> 
> # m[[ 1]] <- .f(update(fml, . ~ . -x1 + x2))
> # m[[ 2]] <- .f(update(fml, . ~ . -x1 + x2 + x3))
> # m[[ 3]] <- .f(update(fml, . ~ . -x1 + x2 + x4))
> # m[[ 4]] <- .f(update(fml, . ~ . -x1 + x2 + x5))
> # m[[ 5]] <- .f(update(fml, . ~ . -x1 + x2 + x6))
> # m[[ 6]] <- .f(update(fml, . ~ . -x1 + x2 + x7))
> # m[[ 7]] <- .f(update(fml, . ~ . -x1 + x2 + x8))
> # m[[ 8]] <- .f(update(fml, . ~ . -x1 + x2 + x9))
> # m[[ 9]] <- .f(update(fml, . ~ . -x1 + x2 + x10))
> # m[[10]] <- .f(update(fml, . ~ . -x1 + x2 + x11))
> 
> 3. Execute as block once - the output appears almost immediately. Execute the second time - the slight delay is already noticeable. Continue to 3-4 time and the delay between the Cmd+Enter and the output is now up to 3-4 seconds and occasional beachball…
> 
> Any help is greatly appreciated.
> Yan
> 
> Here is the sessionInfo()
> 
> ******
> R version 4.0.5 (2021-03-31)
> Platform: x86_64-apple-darwin17.0 (64-bit)
> Running under: macOS Big Sur 10.16
> 
> Matrix products: default
> BLAS:   /Library/Frameworks/R.framework/Versions/4.0/Resources/lib/libRblas.dylib
> LAPACK: /Library/Frameworks/R.framework/Versions/4.0/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_4.0.5
> 
> 
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