Re2: Performance slow down because of cache method change

Thanks, Bob, for your help!
The increasing MVG vector string was the reason for the slow down in the 
drawtest  sample program. But the slow down in our Tcl/Tk App using 
GraphicsMagick (in a DLL) still existed.
Calling ListMagickResources() showed :
File    Memory       Map       Disk
-----------------------------------
1536     894mb    3576mb  4194303gb

This is quite reasonable for my machine with 512 MB RAM.
Creating an environment variable MAGICK_LIMIT_MEMORY and setting it to 
2000 completely removed the problem! Calling ListMagickResources() now 
shows:
File    Memory       Map       Disk
-----------------------------------
1536    2000mb    3576mb  4194303gb
Performance stays constant all the time as far as I can see.
It seems strange that GM switched to disk cache in a process which uses 
20 MB ram memory.
I 'll send you the task manager screenshots, but I don't know how you 
could reproduce the effect without our complete software. Maybe I am 
doing something wrong.

Stefan


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