*Why* does SunOS-4.0 need more memory than 3.5?

[Roy Smith]

I gather it pretty much taken as a given that 4.0 needs more memory to run
than 3.X, at least in this forum.  What I don't understand is why.  It was
my understanding that with the shared libraries in 4.0, there should be
less memory required, not more.  Your typical suntools application is
500-700 kbyte of text space; presumably most of this is the suntool,
sunwindow, pixrect, and stdio libraries, which would be shared under 4.0.
So why does 4.0 need more memory?

Roy Smith, Public Health Research Institute
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