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Firefox 3 speed improvement myth.

N

noriseghir

Member
Despite the fact that FF3 is the speadiest (finale release) browser in sunspider benchmark and maybe other benchs , the perception i have using it on a daily basis is very different!

In fact i'am using a very old config for my browsing tasks (PIII 1Gh / 384 Mb), and here i can say that with FF3 my CPU usage is almost always at 100% and even with only on tab opened at a time i have dificulties to browse script-heavi pages, and with more tabs the browser UI becomes less and less responsive.

First i thought that it was a sign that my config is definitely obsolet and have to be changed, i was so conviced by the claims that FF3 is more speedy-snapy-andeverything that i don't even tried look at other softs ... until yesterday : Opera 9.51 !

With this browser i do same web work with 50% CPU usage (average) and can open up to ten tabs without noticeable lags (excepte the memory usage which is more important in opera 9.5 than in FF3).
 
Originally posted by: noriseghir
Despite the fact that FF3 is the speadiest (finale release) browser in sunspider benchmark and maybe other benchs , the perception i have using it on a daily basis is very different!

In fact i'am using a very old config for my browsing tasks (PIII 1Gh / 384 Mb), and here i can say that with FF3 my CPU usage is almost always at 100% and even with only on tab opened at a time i have dificulties to browse script-heavi pages, and with more tabs the browser UI becomes less and less responsive.

First i thought that it was a sign that my config is definitely obsolet and have to be changed, i was so conviced by the claims that FF3 is more speedy-snapy-andeverything that i don't even tried look at other softs ... until yesterday : Opera 9.51 !

With this browser i do same web work with 50% CPU usage (average) and can open up to ten tabs without noticeable lags (excepte the memory usage which is more important in opera 9.5 than in FF3).
Click to expand...

Even on the system you have, I would suspect something else going on. Even the 50% you have with Opera indicates there is some other problem going on there.
 
i wouldn't be surprised if your low end 1ghz CPU goes to 100% in any browser due to intensive flash based advertisements, and such. I don't know if that is the real reason, but it is possible.
 
Originally posted by: nova2
i wouldn't be surprised if your low end 1ghz CPU goes to 100% in any browser due to intensive flash based advertisements, and such. I don't know if that is the real reason, but it is possible.
Click to expand...

Good way to test that is to install NoScript and then open the task manager and watch the effect loading web pages has on the cpu.
 
Your PC is pretty old. I've got a P3 700Mhz ~600 Mb RAM and I dont have 100% CPU utilization. I've tried Opera on it and it felt as slow as FF2. Regarding FF3, it does feel a bit snappier to me, but I use Adblock and FlashBlock.

on my Athlon 3000+ with 1.5Gb RAM, FF3 feels noticeably snappier. never tried Opera on it, though.
 
It seems tha there are some interactions between FF3.0 and "Symantec endpoint protection 11.0.2000", when i switched to AVG 8 free (no network scannig, no zero day behavior detection, and "lynk safe" module for FF disabled : just the realtime virus/malware protection)
my CPU usage is in the 30-40% when browsing the web using FF3 (excepte flash heavy pages).
 
You have some type of issue going on. I run a p4 2.x and run nearly 30 tabs all the time in Opera, I get about 0-2% cpu and sometimes jump to 150mb of ram.
 
yup my firefox uses barely any cpu.. and thats on a low end e2200 cpu. which of course is still light years faster than a p3.
but i have 130+ tabs open😛
and firefox remains snappy.
certainly snappier than 2.
and i've used it on lower end systems without the 100% usage as well.

as for symantec... lesson learned eh? stay away from bloatware
 
Originally posted by: 0roo0roo
as for symantec... lesson learned eh? stay away from bloatware
Click to expand...

I don't understand why people install that stuff. It's worse than the viruses it's supposed to protect from.
 
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