| Re: pixmaps and DEC OpenVMS (a solution at last) [message #10021] |
Wed, 24 September 1997 00:00 |
gurman
Messages: 82
Registered: August 1992
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In article <60bfmu$gnv@blimpy.early.com>, jsb@early.com (Jonathan Boswell)
wrote:
> Joseph B. Gurman (gurman@gsfc.nasa.gov) wrote:
> : The suprising thing is that on systems with large physical memories
> : (>= 512 Mbyte), large WSMAX's, large NPAGEDYN and NPAGEVIR, even processes
> : with quite large working set quotas and extents appear to be limited to a
> : relatively small number of 1024 x 1024 pixmaps (i.e., ~ 16), while on a
>
> Have you looked in SYS$MANAGER:DECW$DEVICE.COM for the default DECwindows
> parameters? A cursory inspection shows it's looking at WSMAX, but perhaps
> some of the others are holding the server back from consuming more memory.
> If nothing looks promising there, you might consider installing the Digital
> Open3D product. I seem to recall this either fixes or enables features of
> the 24-bit graphics products, even if you (1) aren't licensed for Open3D
> and (2) aren't running 3D applications.
Well, a colleague finally found the solution I was too dense to
realize, even though, in hindsight, it was the crucial difference between
our 512 Mbyte system (lots of pixmaps) and our 1 Gbhyte system (nowhere
near enough pixmaps). In the DECW$XDEFAULTS.DAT file on the lots of
pixmaps machine, we had set:
idl.gr_visual: PseudoColor
since we were still only using 8-bit color tables (i.e., not true color).
Tried it on the 1 Gbyte system, and now we can get ~ 90 x 1 Mbyte pixmaps.
Now we need to see uf we can't tweak this up even more, but for now,
we're pretty happy.
Thanks to all who responded,
Joe Gurman
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