Print this post - Rendering of gallery examples slow on Linux

Hi. To get an overview of how roofs are build and to see what is possible with SH3D I tried the 3D view of some example files like SweetHome3DExample7.sh3d or SweetHome3DExample4.sh3d. But the rendering is so slow that I need to wait around half a minute to get a picture after moving the view point.

This is Gentoo linux, Intel(R) Core(TM)2 Duo CPU E6550 @ 2.33GHz, 4G phys, 8G swap, I tried the included JRE as well as some of my system VMs:

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[1]   icedtea-6
[2]   icedtea-7 
[3]   sun-jre-bin-1.6   system-vm

I also tried -Xmx4096m. Graphics hardware is

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Intel Corporation 82Q35 Express Integrated Graphics Controller (rev 02)

glxinfo says direct rendering: Yes, so what is wrong here? Just too old hardware for that big files? That I need to know before starting to build some house project of similar size.