[softwarelist] Re: Odd DPlngScan error
- From: Chris Johnson <chris@xxxxxxxxxxxxxxxxxxxxx>
- To: davidpilling@xxxxxxxxxxxxx
- Date: Fri, 23 Dec 2016 16:58:39 +0000 (GMT)
In article <55f2d9906ddave@xxxxxxxxxxxxx>,
Dave Symes <dave@xxxxxxxxxxxxx> wrote:
After Alan Adams posted yesterday (Thurs), I increased the 1.27b
!Run Wimpslot to "-min 20000K" and thereafter DPScan on VRPC-DL
RISC OS 6.20 and RPCEmu 4.39, 6.20 and 5.23 loaded the jpeg okay.
Experimentally, I reduced the wimpslot allocation a bit, 15000K
will still enable DPScan to load the jpeg okay, but 14000K will not.
15M seems rather excessive to me. I am not sure why this should be,
when 2M is sufficient on native hardware. Are these emulators doing
something different with memory management? Size of DAs clamped to
small values? I still do not see why things should be so different
between 1.25/6 and 1.27. I must check the original source of the IJPG
library to see if there is any user setting that limits the size of
any workspace memory it grabs. I know the much more recent version 9
of the library will have been released when hardware (for Windows,
Mac and Linux) would have GB of RAM so memory size would not be a
problem.
--
Chris Johnson
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