------- Additional Comments From rguenth at gcc dot gnu dot org 2005-09-16 08:14 ------- For a cut-down testcase (the one attached takes too much memory for my box) detailled mem-report shows
tree-dfa.c:175 (create_stmt_ann) 12749568: 2.0% 2932228: 1.0% 52: 0.0% 0: 0.0% 301574 tree-inline.c:2403 (copy_tree_r) 19285144: 3.0% 0: 0.0% 0: 0.0% 162184: 0.3% 537068 tree-ssanames.c:147 (make_ssa_name) 201319404:31.0% 0: 0.0% 12792: 0.0% 0: 0.0% 3871773 tree-phinodes.c:156 (allocate_phi_node) 250714968:38.6% 0: 0.0% 0: 0.0% 11480: 0.0% 1956706 Total 649892049 291182446 47860808 47260199 12874808 source location Garbage Freed Leak Overhead Times where the ssa_names / phi_nodes are all allocated by DOM. From the time-report: tree SSA incremental : 19.21 (11%) usr 2.02 (30%) sys 21.23 (12%) wall 365332 kB (40%) ggc tree operand scan : 22.06 (13%) usr 0.26 ( 4%) sys 22.47 (12%) wall 58811 kB ( 6%) ggc dominator optimization: 19.14 (11%) usr 0.13 ( 2%) sys 19.37 (11%) wall 111380 kB (12%) ggc -- What |Removed |Added ---------------------------------------------------------------------------- CC| |rguenth at gcc dot gnu dot | |org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15855