Hi @dfalbel & collaborators,
Thank you for bringing "torch" interface to R, enabling R to have better deep learning capabilities! I was keen to try out all examples in pkgdown website, but when I install "torch", I encounter the following issue, C:\Users\User\Documents\R\R-4.0.2\library\torch\deps\lantern.dll - The specified module could not be found:
remotes::install_github("mlverse/torch")
#> Downloading GitHub repo mlverse/torch@HEAD
#> Running `R CMD build`...
#> * checking for file 'C:\Users\User\AppData\Local\Temp\RtmpwHIpeq\remotes11645e5530e6\mlverse-torch-52ded08/DESCRIPTION' ... OK
#> * preparing 'torch':
#> * checking DESCRIPTION meta-information ... OK
#> * cleaning src
#> * checking for LF line-endings in source and make files and shell scripts
#> * checking for empty or unneeded directories
#> Removed empty directory 'torch/bench'
#> Removed empty directory 'torch/docker'
#> * building 'torch_0.0.2.9000.tar.gz'
library(torch)
#> trying URL 'https://download.pytorch.org/libtorch/cpu/libtorch-win-shared-with-deps-1.5.0.zip'
#> Content type 'application/zip' length 99725651 bytes (95.1 MB)
#> downloaded 95.1 MB
#>
#> trying URL 'https://storage.googleapis.com/torch-lantern-builds/refs/heads/master/latest/Windows-cpu.zip'
#> Content type 'application/zip' length 1436082 bytes (1.4 MB)
#> downloaded 1.4 MB
#> Warning message:
#> Failed to install Torch, manually run install_torch(). C:\Users\User\Documents\R\R-4.0.2\library\torch\deps\lantern.dll - The specified module could not be found.
torch::install_torch()
#> Warning: Torch failed to start, restart your R session to try again. C:\Users\User\Documents\R\R-4.0.2\library\torch\deps\lantern.dll - The specified module could not be found.
#> Error in cpp_lantern_init(normalizePath(install_path())): C:\Users\User\Documents\R\R-4.0.2\library\torch\deps\lantern.dll - The specified module could not be found.
Created on 2020-09-17 by the reprex package (v0.3.0)
But when I check for existence of "lantern.dll", it did exist:
file.exists("C:\\Users\\User\\Documents\\R\\R-4.0.2\\library\\torch\\deps\\lantern.dll")
#> [1] TRUE
Created on 2020-09-17 by the reprex package (v0.3.0)
Could you advice how should I proceed? The following is my sessionInfo:
sessionInfo() #> R version 4.0.2 (2020-06-22) #> Platform: x86_64-w64-mingw32/x64 (64-bit) #> Running under: Windows 10 x64 (build 18363) #> #> Matrix products: default #> #> locale: #> [1] LC_COLLATE=English_Malaysia.1252 LC_CTYPE=English_Malaysia.1252 #> [3] LC_MONETARY=English_Malaysia.1252 LC_NUMERIC=C #> [5] LC_TIME=English_Malaysia.1252 #> #> attached base packages: #> [1] stats graphics grDevices utils datasets methods base #> #> other attached packages: #> [1] torch_0.0.2.9000 #> #> loaded via a namespace (and not attached): #> [1] Rcpp_1.0.5 ps_1.3.4 digest_0.6.25 R6_2.4.1 magrittr_1.5 #> [6] reprex_0.3.0 evaluate_0.14 rlang_0.4.7 remotes_2.2.0 fs_1.5.0 #> [11] callr_3.4.4 whisker_0.4 rmarkdown_2.3 tools_4.0.2 bit64_4.0.5 #> [16] bit_4.0.4 tinytex_0.25 xfun_0.16 compiler_4.0.2 processx_3.4.4 #> [21] clipr_0.7.0 htmltools_0.5.0 knitr_1.29
Created on 2020-09-17 by the reprex package (v0.3.0)
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