Does graph­ics RAM run out?

Mac Format - - APPLETALK -

I have a 15-inch Mac­Book Pro that slows almost to a stand­still when I have sev­eral apps open. I think that it may be caused by a low mem­ory con­di­tion of some sort. Ac­tiv­ity Mon­i­tor shows that RAM use and disk use are quite low, so that seems to sug­gest that it’s the graph­ics mem­ory. Is there any easy way to check how much graph­ics mem­ory each app is us­ing? Ash­ley Faith The graph­ics card uses its RAM as a buf­fer to hold each frame be­fore send­ing it to the mon­i­tor, and as ‘scratch’ mem­ory for 3D games cal­cu­la­tions, but it doesn’t get full in the same way that sys­tem mem­ory does.

The best way to find if your slow­downs are caused by a pro­gram is by a good old fash­ioned ‘process of elim­i­na­tion’. When your Mac­Book next slows down, make a note of which ap­pli­ca­tions and doc­u­ments you have open and shut them down one at a time to see if it makes any dif­fer­ence.

It could also be that you have a fail­ing hard disk and apps are wait­ing for a file to be read from or writ­ten to. This won’t show up in Ac­tiv­ity Mon­i­tor be­cause, as far as the OS is con­cerned, disk ac­tiv­ity pauses while it waits for the hard disk to re­spond.

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