Re: [tree-ssa] Improve memory characteristics of VDEFs

[law at redhat dot com]

In message <Pine.LNX.4.58.0311241103540.13876@D209.suse.de>, Gerald Pfeifer wri
tes:
 >> This is quite a bit more efficient in terms of memory utilization and GC
 >> tracking and prodes a nice little speedup on PR8361, will a very small
 >> positive impact on the more general cc1 components test.
 >> 
 >> If you look at the number of EXPR nodes we generate before/after this
 >> patch on PR8361 you'll see a significant decrease in both the number of
 >> nodes as well as the amount of memory consumed by those nodes.
 >
 >Cool, thanks!  Do you happen to still have the numbers (before-after) 
 >somewhere?
Not anymore.  Sorry I didn't post them.

FWIW, I'm currently testing a patch that recycles PHI nodes for another
14M in savings.  Another quarter million fewer nodes for the GC system
to manage as well.

jeff