Re: [Scidvspc-users] High memory usage with Stockfish analysis

[Steve A <ste...@gm...>]

This is the third bug report of this type i have received, and it is
definitely  a bug in recent Tcl/Tk versions shipped with the distro.

Sorry, but i am not familiar with with version numbers are affected,
but maybe it is new since 8.6.7 ?... or just affecting some people since
8.6.6.
To see which version you have, type
  wish
  info patchlevel
Perhaps your distro has updated it's tk already, or otherwise, you will
have to uninstall the system tcl & tk & tcl-dev & tk-dev and reinstall from
source. Im guessing 8.6.5 should be safe.

Alternatively, you can apply the patch  in ScidvsPC's source,
"patches/gregors_tktext_inline.patch"
and recompile ScidvsPC. Gregor has rewritten tk::text, and it will be
included in wish 8.7 when released.

cheers.

On Wed, Aug 23, 2017 at 6:44 AM, Morten Skarstad <mor...@gm...>
wrote:

> I recently setup a second PC with Debian on it. Since SCID vs PC was not
> in the repository, I downloaded the source for 4.18 and compiled it.
>
> At first I noticed thatrunning automated analysis of games is consuming
> insane amounts of memory. When it is running I see memory usage just going
> up and up and up until the page file is full and the computer is barely
> responding to anything at all. This is especially evident if I am analysing
> a batch of games, and also seems to be worse if I am using the "Mark
> tactical exercises" option.
>
> I have also found that simply starting an engine in a position and
> increasing number of lines will eat memory.
>
> The memory consumption does not appear to be related to the engine. It is
> used by the tkscid process. Closing the engine has no effect on memory
> usage. I have also tested both Stockfish and Toga engines, and both exhibit
> the same symptoms.
>
> Closing SCID vs PC immediately releases the used memory.
>
> Is this a bug? Or is there something I can do about it?
>
>
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