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selivanov
2017 Jun 17
0
Issue with memory deallocation/fragmentation on systems which use glibc
...scratched my head because there were no
such problem on my laptop running on OS X!).
So I'm not sure that such problem can be ignored.
Consider following examples - we will create large list with many small
objects (code which contains fully reproducible example here -
https://gist.github.com/dselivanov/d2ff0435a352424d2c7329d918293946):
large_list = lapply(1:1e6, function(i) {
runif(100)
})
rm(large_list)
gc()
After that on OS X *resident memory* memory successfully shrinks to ~
100mb, but on Ubuntu is remains at ~ 1gb. I understand that this 1gb of ram
can be (and will be) reused for allocat...
2017 Aug 12
4
Help to create bugzilla account
On 12 August 2017 at 15:10, luke-tierney at uiowa.edu wrote:
| As the Python posts poitns out, it is possible to use alternate malloc
| implementations, either rebuilding R to use them or using LD_PRELOAD.
| On Ubuntu for example, you can have R use jemalloc with
|
| sudo apt-get install libjemalloc1
| env LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libjemalloc.so.1 R
|
| This does not seem to hold