On Tue, Jan 24, 2017 at 7:06 PM, Henrik Bengtsson
wrote:
> When using multicore-forking of the parallel package, is it possible
> for a child process to know that it is a fork?
R internally uses R_isForkedChild to prevent certain operations within
the fork. However I don't think this is exported
When using multicore-forking of the parallel package, is it possible
for a child process to know that it is a fork? Something like:
parallel::mclapply(1:10, FUN = function(i) { test_if_running_in_a_fork() })
I'm looking into ways to protect against further parallel processes
(including threads
Hi Lukas,
thanks for the report. I've changed cumsum so that it is now consistent
with cumprod wrt to NA/NaN propagation.
Now NaN is not turned into NA unnecessarily.
Still please be aware that generally NaNs may become NAs in R (on some
platforms/compilers)
?NaN says
"Computations involvin