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I am encountering an issue while attempting to perform parallel execution using in R. The parallel execution seems to be missing global variables when working with R6 objects.future_lapply. Reproduce example
`library(R6)
Person1 <- R6Class(
"Person1",
public = list(
name = NA,
initialize = function(name) {
self$name <- name
},
say = function() {
cat("my name is ", self$name)
}
)
)
model <- future_lapply(1:nrow(data), function(i) {
plsRcox_obj_a <- get1(data[[i, "a"]])
})
#Error in get(name) : object 'person1' not found
`
Expected behavior
Expected Behavior:
I expect that the function would correctly utilize the global variables and create instances of the R6 objects ( and ) in parallel.future_lapplyPerson1Person2 #101
> sessionInfo()
The text was updated successfully, but these errors were encountered:
(Please use https://github.com/HenrikBengtsson/future/discussions for Q&A)
Describe the bug
I am encountering an issue while attempting to perform parallel execution using in R. The parallel execution seems to be missing global variables when working with R6 objects.future_lapply.
Reproduce example
`library(R6)
Person1 <- R6Class(
"Person1",
public = list(
name = NA,
initialize = function(name) {
self$name <- name
},
say = function() {
cat("my name is ", self$name)
}
)
)
get1 <- function(name) {
obj <- get(name)
aa <- obj$new("bob")
return(aa)
}
data <- tribble(
~a,
"Person1",
"Person2"
)
library(future.apply)
library(future)
ls()
#[1] "data" "get1" "Person1"
plan(multisession)
model <- future_lapply(1:nrow(data), function(i) {
plsRcox_obj_a <- get1(data[[i, "a"]])
})
#Error in get(name) : object 'person1' not found
`
Expected behavior
Expected Behavior:
I expect that the function would correctly utilize the global variables and create instances of the R6 objects ( and ) in parallel.future_lapplyPerson1Person2
#101
> sessionInfo()
The text was updated successfully, but these errors were encountered: