Sheesh, part of it was the stupid -ggdb flag. Still there's a 10 MB penalty.

  PID COMMAND      %CPU   TIME   #TH #PRTS #MREGS RPRVT  RSHRD  RSIZE 
+ VSIZE
17233 perl         0.0%  0:03.03   1    12    46  13.2M  1.42M  14.4M 
+ 33.3M 
17232 perl         0.0%  0:05.40   1    12  1176  14.1M  7.79M  20.2M 
+ 43.8M

[download]

Still experimenting...

In reply to Re^2: memory penalty for loading XS modules? by lestrrat
in thread memory penalty for loading XS modules? by lestrrat

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