[Info-vax] Memory Management (was Re: Running Alpha VMS under the ES40 emulator)

glen herrmannsfeldt gah at ugcs.caltech.edu
Mon Oct 14 20:20:22 EDT 2013


JF Mezei <jfmezei.spamnot at vaxination.ca> wrote:
> On 13-10-14 11:37, Stephen Hoffman wrote:
 
>> JF undoubtedly knows this, but closing a tab in various modern browsers 
>> frees the associated physical memory and also frees the underlying 
>> virtual memory.
 
> Not the case for Firefox. Firefox may have a seperate process for Flash,
> but that process lingers on once it has been started. And closing a tab
> rearely sees actual RAM user lower on OS-X. But definitely not 1 process
> per tab. (it may be done as threaded architecture though).

The browsers are all way too good at caching, in case you want to
go back to a page again. In some cases you can "clear cache" but
most often I find it better to exit and restart. Some will auto
open the previous windows/tabs, others you have to "restore previous
session."

-- glen



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