---
title: APU Example
categories: moo
toc: false
...

> Back to [Introduction](/MOO/Introduction)

APU = CPU + GPU

```{.clafer .mooviz}
```

```clafer
abstract Feature
    cost -> integer
    performance -> integer

abstract Computer
    CPU : Feature
        [ cost = 2 ]
        [ performance = 0 ]
        IntegratedGPU : Feature ?
            [ cost = 1 ]
            [ performance = 1 ]
            SharedMemory : Feature ?
                [ cost = 0 ]
                [ performance = 0 ]
            
    DiscreteGPU : Feature ?
        [ cost = 2 ]
        [ performance = 2 ]
    [IntegratedGPU || DiscreteGPU]
    total_cost -> integer = sum Feature.cost
    total_performance -> integer = sum Feature.performance

OptimalComputer : Computer

<< minimize OptimalComputer.total_cost >>
<< maximize OptimalComputer.total_performance >>
```

```{.clafer .links}
```