Re: [cdt-dev] OpenType memory usage

[Chris Wiebe <cwiebe@xxxxxxx>]

David Daoust wrote:
> I have been trying the OpenType dialog with a small to midsize project 
> (1300 cpp files).   (Using CDT Head - from this morning, and Eclipse 3.0M9)
>
> Here is some background on the project:
>
>         1. The project has  been previously indexed (Image grew from 48M 
> to 116M, took about 9 minutes to index),  and
>         2.  Code assist and search work reasonably well (although 
> sometimes quite slow).  
>         3.  Closing eclipse and restarting it causes no re-indexing at 
> all. (image is now 48M)
>         4.  I have the "cache types in background" flag off
>
>         5.  The first time I use the OpenType dialog (after restarting 
> eclipse), it takes a minute or so to "Updating Type Cache",

I'm a little surprised this took a minute.  I have a large project 
(approx. 4000 files) with takes about 15 min to index but the "updating 
type cache" is no more than 3 seconds initially and instant afterwards.


>         6.  Each subsequent invocation is instant.
>
> This looks great!  
>
> Now here is the problem:
>         The memory requirements on step 5 have jumped by 160M ,   I 
> think that this will not scale well....

Ouch!  I'll see if I can reproduce this, and investigate what can be 
done to reduce the overall memory footprint...

> There was no parsing being done (I have a breakpoint on 
> Parser.translationUnit)
>
> Has anybody else measured something similar?
>
>
>         - Dave

Thanks
-Chris