On Aug 25, 2010, at 09:07, Bill Fairchild wrote: > > > The bit string scheme will require 512 MB of virtual storage, but far less > than that in real storage backing the virtual storage working set, as the OP > has himself indicated that the total number of input items, each of which > could cause a separate page fault and short term page fixing, is far smaller > than 128K, which is the number of 4K pages in 512 MB. > And in this case performance will suffer if 1M pages become the standard. But by then 512 MiB may be inconsequential.
-- gil
