The Official KSAND Kent Sandvik Web Site

Producer, guitar player, composer and maker of noise.

Processes, Processes

Posted on | May 1, 2007 | No Comments

kid_shopping_cart.jpgToday with MacOSX (and Windows) you could have multiple applications running multiple processes on the system. If the processes are not active, they are in sleep mode. This means they will not take any CPU resources, and any memory they are using is purged out via virtual memory if they are in the background.

The problem, however, is if the processes are trying to do something. Examples of this is any kind of network activity, such as polling a web address. With JavaScript today, there’s more and more web pages that constantly check for updated data. Same with email services, they could go out and look for new mails, for example from mail services that are slow to respond.

So if possible, if you worry about not having enough CPU cycles for audio work, just quit any applications that might run and cause unnecessary CPU load: Safari, and so on.

Some think that Spotlight is stealing cycles when it does an index. The biggest hit is really if there’s a brand new installation, or a big set of new files that Spotlight needs to index or re-index, otherwise Spotlight is not taking that much concerning CPU traffic, so there’s no need to turn it off (there’s a secret way of doing it, but I will not mention it).

Another thing worth disabling, especially with Ableton Live in live situations, is WiFi. Otherwise the WiFi service is constantly checking for networks that could arrive and disappear, sometimes quite frequently in case the network signal is weak.


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