Mozilla v Firefox 404

i have 3.4mhz intel mulbreasthreaded processor with 4gbytes of memory running fc3 (although fc3 claims it is only 3.5gbytes). the problem occurs when there is only about 800mbytes of total allocated memory (over a 3rd of it, sometimes half of it, belonging to mozilla). no paging is occuring. i've also have a 3.4mhz system with 1gbyte of memory that exhibits a similar problem (and also doesn't page). However, i have a dual 400mhz processor machine with only 512mbytes of memory and this can create a paging problem for it.

i have all scripting (java and javascript) and popups disabled. when mozilla starts getting sluggish ... a popup warning frequently also appears about some script not responding and should it be canceled or continue. it acts more like there are some non-linear paths managing large number of tabs (cpu meter pegs) which it gets into when starting a new tab. It also is URL-site dependent ... there are quite a few URLs that clicking on them for a new background tab ... won't exhibit the characteristic.

for some total topic drift ... i originated clock like virtual memory page replacement algorithms as an undergraduate nearly 40 years ago ... random past posts on paging and page replacement algorithms:

and did a lot of paging pathlengths and other resource scheduling algorithms

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