[iyonix-support] Re: "flex memory error" with !PDF
- From: Alan Adams <alan@xxxxxxxxxxxxxxxx>
- To: iyonix-support@xxxxxxxxxxxxx
- Date: Wed, 09 Apr 2014 13:10:30 +0100
In message <e5a8a0f553.jim@xxxxxxxxxxxxxx>
Jim Nagel <jim@xxxxxxxxxxxxxxxx> wrote:
> Jim asked:
>>> ... why did this "Flex memory error" start appearing on my Iyonix
>>> (5.18)? Why does it seem to affect nothing but the !PDF application?
> Alan Adams wrote on 9 Apr:
>> possibly because the Wimpslot specified in the application's !Run file
>> is too small?
> Well, that seems to have done it. The new alpha version (!PDFtest,
> 2013-05-20) from Chris Gransden, as suggested by John Rickman, has a
> higher wimpslot defined in its !Run file, so I copied that higher
> figure into !Run of the older !PDF. And now it works without the
> "Flex memory error".
> Still puzzled why !PDF with unaltered wimpslot works on the RiscPC and
> Armini, and worked till a few months ago on the Iyonix -- what would
> have caused it to begin this "Flex memory error" on Iyonix but not the
> other machines?
Either something has increased its memory needs, or it's allocation
has become less efficient. I wonder whether an OS update has changed
the memory page size? I think that the Wimpslot gets rounded to whole
pages, so a changed page size could have reduced the real memory
available.
If any application gives error messages even hinting at memory, it's
always worth trying an increased slot.
--
Alan Adams, from Northamptonshire
alan@xxxxxxxxxxxxxxxx
http://www.nckc.org.uk/
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