Originally Posted by guyladouche
The webpage load time was the most interesting and surprising to me.
However, I am sad that they focused on CPU load as the primary emphasis of the study as opposed to hard drive usage, since the hard drive is by far the rate-limiting component of most current computers (as even stated in the article, CPU's are "so" fast these days, is it even relevant to discuss the toll AV programs have on them?). It would have been nice to see some more hard drive-based results. I know for sure, when my work laptop (running a symantec AV program) is doing the scheduled weekly scan, good luck getting MS Word to open in a tenth the time of what it normally does--and that's even with superfetch enabled. Another program that isn't accessed nearly as often? Might as well just wait until the scan completes...
Anyhoo, I use Avast for my personal computers. I honestly have no idea as to its "secureness," because I never get notified that it's caught anything, but I also don't notice any slow-downs. And to be honest, other than real-time protection, I don't have it do any scheduled "deep" scans, but I also don't practice poor internet usage that would enable getting a virus or malware, etc.
Originally Posted by Brutuz
Yet another toms article that misses the point, HDD and RAM bandwidth are what should be checked.
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Ditto. I remember using Windows Vista and Norton 2006 on a 5400 rpm laptop drive was excruciatingly slow and unresponsive.
Although Tom's did do app installation times, boot up, stand-by, etc. Here is a funny graph:
Somehow, the "clean config" without an anti-virus was slowest for boot time. My guess is the image they used did not have all the prefetch/superfecth cache ready. On the other hand, the image with AV installed had the cache populated.
For the most part AV did not impair system performance except for instances like this:
However, they were using a 5400 rpm laptop hard drive. I wonder if a 7200 rpm desktop hard drive or even an SSD would be unaffected. Random access times are very important for AV scanning.Edited by Riou - 10/11/11 at 6:38am