# A.2.4: 减少运算时间的技巧

Karamba3D花费了大量时间来解决模型挠度。所需时间取决于静态系统自由度数$$n$$以及节点之间存在多少个连接。在每个节点都连接到所有其他节点的理论上情况下，计算时间随$$n^3$$的增长而增加。如果每个节点彼此相邻$$n\_{neigh}$$，并且整个结构具有一个沿其定向的主轴（即，距离远的节点之间没有连接），则计算量大约增加$$0.5 \cdot n \cdot n^2\_{neigh}$$。Karamba3D可以使用多个处理器，因此拥有多个处理器可节省时间。使用桁架代替梁可节省一半的计算时间。

当使用诸如Galapagos等进行优化时，其不断更新的显示大大降低了程序的运行速度。为了获得更好的性能，请禁用所有组件预览或将Rhino窗口最小化。

通过在显示网格之前加入网格，可以大大加快以网格为结果的渲染速度。


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