Essay Preview: Gpu
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A few years ago all graphics hardware used a fixed pipeline. Where each vertex and triangle description was passed through pre-programmed components to generate the image on the screen.
Vertex, pixel and geometry shaders are often referred to as the Graphics Processing Unit (GPU).
Now video cards built with a programmable architecture. Now we can alter the way vertices and triangles are processed.
Programmable graphics cards are now in a growing research field.
We can apply non-graphical algorithms onto the GPU.
This along with image processing, numerical equations and illumination computation are some examples of what is called General Purpose GPU (GPGPU) programming.
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We for this experiment we performed a computational study of dead reckoning comparing the GPU with the CPU. Using a variety of CPUs and GPUs to different quantities of simulated entities.
We wanted to see how the GPU’s slower bus restriction could affect its performance.
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The Defense Modeling and Simulation Office of the Department of Defense defines virtual simulation as a simulation involving real people operating simulated systems.
–They exercise motor control skills, decision skills, or communication skills.
–Whereas a discrete simulation is defined as a simulation that uses a discrete model, or in which the state variables change instantaneously at separated points in time. They are run over time to generate results to use as a reference when designing a system.
Virtual simulations are designed to teach a specific task
–games entertainment (infotainment)
Computer games are often compared to virtual simulations because of the 3-D environments and multi-user capabilities.
Many types of game genres (first person shooter, real-time strategy, massively multiplayer online role playing games, and simulation games)
–All combine for realistic virtual simulation
Example: