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Can a graphics card speed up Gazebo?

I am running Gazebo on a laptop which is geared with 2 graphics cards, one Intel (low spec and low power consumption) for one nVidia (more powerful).

I do not see any performance gap between the two, and neither between the nVidia closed source driver and the open source one (Nouveau, shipped with Ubuntu 13.04).

So I wonder if a graphics cards can improve the performance of Gazebo and how. It looks like all processes are supported by the CPU (around 60% - 70% of use for the 4 cores).

Can a graphics card speed up Gazebo?

I am running Gazebo on a laptop which is geared with 2 graphics cards, one Intel (low spec and low power consumption) for one nVidia (more powerful).

I do not see any performance gap between the two, and neither between the nVidia closed source driver and the open source one (Nouveau, shipped with Ubuntu 13.04).

So I wonder if a graphics cards can improve the performance of Gazebo and how. It looks like all processes are supported by the CPU (around 60% - 70% of use for the 4 cores).