This week we'll talk about competition. The computer has finite resources, and no matter how well you've tuned your viewer, if something else is competing for those resources, it will have an impact.
The biggest potential competitors are other applications. Web browsers, graphics tools, even word processor and spreadsheets can have an impact. Big downloads or streaming media can impact the network performance significantly. If you're seeing a lot of lag, and have tried the things before, start closing applications. If you have lots of tabs open in a browser, close tabs, especially those for high-demand pages such as YouTube.
Vista's (and presumably Windows 7's) Aero interface can have a huge impact on graphic performance. MacOS's interface likewise can compete for graphics card resources. I've found with Vista that disabling the semi-transparent window frames makes a 5 to 10 FPS difference in my viewer performance. Menu-click (that's right click for you right-handers) on Computer to select properties, click 'Advanced system settings', click 'Custom', and then unselect the 'Enable desktopcomposition' box and press OK. Equivalent tuning in MacOS is likely to help.
One other tip is that reducing the area to render improves performance. In other words, if you reduce your viewer from full screen to a smaller window, FPS can increase significantly. This becomes a trade-off between performance and being able to actually see what you're doing sometimes, but is worth experimenting if you are still suffering from lag issues.
Next week, we'll discuss server-side lag, and what can be done about it.
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