Comment 4 for bug 1351597

Also reproduced with Intel 82945G Express.

NOT reproduced with
* ATI Mobility Radeon HD 4500 Series;
* NVidia Quadro 1000M;
* NVIDIA GeForce GTX 660 Ti;
* Intel HD 3000 (integrated).

See the Inkscape-devel mailing list thread for details (http://inkscape.13.x6.nabble.com/Devlibs-46-too-slow-tt4966631.html#none).