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Standard Performance Evaluation Corporation

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Pro/Engineer Viewset (proe-02)

The proe-02 viewset was created from traces of the graphics workload generated by the Pro/ENGINEER 2001™ application from PTC.

Two models and three rendering modes are measured during the test. PTC contributed the models to SPEC for use in measurement of the Pro/ENGINEER application. The first of the models, the PTC World Car, represents a large model workload composed of 3.9 to 5.9 million vertices. This model is measured in shaded, hidden-line removal, and wireframe modes. The wireframe workloads are measured both in normal and antialiased mode. The second model is a copier. It is a medium-sized model made up of 485,000 to 1.6 million vertices. Shaded and hidden-line removal modes were measured for this model.

This viewset includes state changes as made by the application throughout the rendering of the model. For example, the PTC World Car shaded frames include more than 100MB of state and vertex information per frame. Examples of the included state are matrix changes, material, light state, line stipple, etc. All state changes are derived from a trace of the running application. The state changes put considerably more stress on graphics subsystems than the simple geometry dumps found in older viewsets.

Mirroring the application, draw arrays are used for the shaded tests and immediate mode is used for the wireframe. The gradient background used by the Pro/E application is also included to better model the application workload.

Tests are weighted 1/3 wireframe and 2/3 shaded.


Test 

Weight 

Description 

13.5

PTC WorldCar shaded. 

13.5

PTC WorldCar shaded to show model detail.

13.5

PTC WorldCar using hidden line removal mode. 

16.0

PTC WorldCar using wireframe mode. 

16.5

PTC WorldCar using antialised lines. 

13.5

PTC Copier shaded. 

13.5

PTC Copier using hidden line removal mode.