On 21 December 2016 at 09:42, Karl Millar via R-devel wrote:
| Currently what I do is to never unload DLLs. If I need to replace
| one, then I just restart R. It's less convenient, but it's always
| correct.
Same here. Ever since we built littler in 2006 (!!) I have been doing tests
at the comm
It does, but you'd still be relying on the R code ensuring that all of
these objects are dead prior to unloading the DLL, otherwise they'll
survive the GC. Maybe if the package counted how many such objects
exist, it could work out when it's safe to remove the DLL. I'm not
sure that it can be don
On Tue, Dec 20, 2016 at 7:39 AM, Karl Millar wrote:
> It's not always clear when it's safe to remove the DLL.
>
> The main problem that I'm aware of is that native objects with
> finalizers might still exist (created by R_RegisterCFinalizer etc).
> Even if there are no live references to such obje
See inlin
e
On Tue, Dec 20, 2016 at 12:14 PM, Spencer Graves <
spencer.gra...@prodsyse.com> wrote:
> Hi, Dirk:
>
>
>
> On 12/20/2016 10:56 AM, Dirk Eddelbuettel wrote:
>
>> On 20 December 2016 at 17:40, Martin Maechler wrote:
>> | > Steve Bronder
>> | > on Tue, 20 Dec 2016 01:34:3
Hi, Dirk:
On 12/20/2016 10:56 AM, Dirk Eddelbuettel wrote:
On 20 December 2016 at 17:40, Martin Maechler wrote:
| > Steve Bronder
| > on Tue, 20 Dec 2016 01:34:31 -0500 writes:
|
| > Thanks Henrik this is very helpful! I will try this out on our tests and
| > see if gcDLLs(
On 20 December 2016 at 17:40, Martin Maechler wrote:
| > Steve Bronder
| > on Tue, 20 Dec 2016 01:34:31 -0500 writes:
|
| > Thanks Henrik this is very helpful! I will try this out on our tests and
| > see if gcDLLs() has a positive effect.
|
| > mlr currently has tests b
> Steve Bronder
> on Tue, 20 Dec 2016 01:34:31 -0500 writes:
> Thanks Henrik this is very helpful! I will try this out on our tests and
> see if gcDLLs() has a positive effect.
> mlr currently has tests broken down by learner type such as
classification,
> regression
It's not always clear when it's safe to remove the DLL.
The main problem that I'm aware of is that native objects with
finalizers might still exist (created by R_RegisterCFinalizer etc).
Even if there are no live references to such objects (which would be
hard to verify), it still wouldn't be safe
On Tue, Dec 20, 2016 at 7:04 AM, Henrik Bengtsson
wrote:
> On reason for hitting the MAX_NUM_DLLS (= 100) limit is because some
> packages don't unload their DLLs when they being unloaded themselves.
I am surprised by this. Why does R not do this automatically? What is
the case for keeping the DL
Thanks Henrik this is very helpful! I will try this out on our tests and
see if gcDLLs() has a positive effect.
mlr currently has tests broken down by learner type such as classification,
regression, forecasting, clustering, etc.. There are 83 classifiers alone
so even when loading and unloading a
On reason for hitting the MAX_NUM_DLLS (= 100) limit is because some
packages don't unload their DLLs when they being unloaded themselves.
In other words, there may be left-over DLLs just sitting there doing
nothing but occupying space. You can remove these, using:
R.utils::gcDLLs()
Maybe tha
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