-g libs on System V
Bob Joyce
bobj at aspect.UUCP
Thu Jun 20 06:45:49 AEST 1991
I recently ported a Motif-based program from a Sun Sparc machine to a Motorola
MPC 200 running System V. In both cases the program contained a "-g" version
of the Motif library.
Two things surprised me:
(1) The executable size was ~6 Meg on the sparc, but ~13 Meg on the
MPC.
(2) Starting up the executable on the MPC under gdb took about
20 minutes!. Reason - the process consumed more than
40 Megabytes of memory, thereby causing intense swapping.
On the sparc, gdb started up in less than a minute and consumed
only about 6 Megs. The same problem occurs with sdb and on
another System V, Motorola platform.
Is this problem common to System V architectures? Is it particular to
Motorola? Have other Motif developers experienced high memory consumption
when they compile with "-g"? Do developers have to be very selective
about their use of "-g"?
Thanks for any information.
Bob Joyce
uunet!aspect!bobj
(408) 441-2236
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