On Wed, Sep 21, 2016 at 10:04 PM, Luke Stagner <lstagne...@gmail.com> wrote:
> In trying to create a reduced test case I figured out the source of my
> memory leak. It wasn't caused by Julia but by an external library I was

Good to know.

> calling (Sundials.jl). Pulling the dev version of Sundials.jl fixed the
> issue for me.

And good to know it's fixed.

>
> K Leo, if you are using any external library, that may be the cause of the
> memory leak you are seeing.
>
> -Luke
>
> On Wednesday, September 21, 2016 at 5:52:23 PM UTC-7, Yichao Yu wrote:
>>
>> On Wed, Sep 21, 2016 at 8:50 PM, Yichao Yu <yyc...@gmail.com> wrote:
>> > On Mon, Sep 19, 2016 at 9:14 PM, Luke Stagner <lstag...@gmail.com>
>> > wrote:
>> >> I actually ran into this issue too. I have a routine that calculates
>> >> fast
>> >> ion orbits that uses a lot of memory (90%). Here is the code (sorry its
>> >> not
>> >> very clean).  I tried to run the function `make_distribution_file` in a
>> >> loop
>> >> in julia but it never released the memory between calls. I tried
>> >> inserting
>> >> `gc()` manually but that didn't do anything either.
>> >
>> > I don't have time currently but I'll try to reproduce it in a few days.
>> > What's your versioninfo() and how did you install julia?
>>
>> In the mean time, I would also appreciate if you can reduce it a
>> little, especially if you can remove some of the external
>> dependencies.
>>
>> >
>> >>
>> >> -Luke
>> >>
>> >>
>> >> On Monday, September 19, 2016 at 3:08:52 PM UTC-7, K leo wrote:
>> >>>
>> >>> The only package used (at the global level) is DataFrames.  Does that
>> >>> not
>> >>> release memory?
>> >>>
>> >>> On Tuesday, September 20, 2016 at 6:05:58 AM UTC+8, K leo wrote:
>> >>>>
>> >>>> No.  After myfunction() finished and I am at the REPL prompt, top
>> >>>> shows
>> >>>> Julia taking 49%.  And after I did gc(), it shows Julia taking 48%.
>> >>>>
>> >>>> On Tuesday, September 20, 2016 at 4:05:56 AM UTC+8, Randy Zwitch
>> >>>> wrote:
>> >>>>>
>> >>>>> Does the problem go away if you run gc()?
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>> On Monday, September 19, 2016 at 3:55:14 PM UTC-4, K leo wrote:
>> >>>>>>
>> >>>>>> Thanks for the suggestion about valgrind.
>> >>>>>>
>> >>>>>> Can someone please let me first understand the expected behaviour
>> >>>>>> for
>> >>>>>> memory usage.
>> >>>>>>
>> >>>>>> Let's say when I first starts Julia REPL it takes 5% of RAM
>> >>>>>> (according
>> >>>>>> to top).  Then I include "myfile.jl" and run myfunction().  During
>> >>>>>> the
>> >>>>>> execution of myfunction(), memory allocation of Julia reaches 40%
>> >>>>>> of RAM
>> >>>>>> (again according to top).  Say running myfunction() involves no
>> >>>>>> allocation
>> >>>>>> of global objects - all object used are local.  Then when
>> >>>>>> myfunction()
>> >>>>>> finished and I am at the REPL prompt, should top show the memory
>> >>>>>> usage of
>> >>>>>> Julia drops down to the previous level (5% of RAM)?  My current
>> >>>>>> observation
>> >>>>>> is that it doesn't.  Is this the expected behaviour?
>> >>>>>>
>> >>

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