https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71937
--- Comment #7 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- Execution times (seconds) phase setup : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall 1629 kB ( 0%) ggc phase parsing : 1.32 ( 0%) usr 0.24 ( 2%) sys 1.56 ( 0%) wall 137733 kB (11%) ggc phase opt and generate : 393.97 (100%) usr 13.22 (98%) sys 407.22 (100%) wall 1067477 kB (88%) ggc |name lookup : 0.12 ( 0%) usr 0.02 ( 0%) sys 0.12 ( 0%) wall 5015 kB ( 0%) ggc |overload resolution : 0.83 ( 0%) usr 0.03 ( 0%) sys 0.89 ( 0%) wall 84696 kB ( 7%) ggc garbage collection : 0.41 ( 0%) usr 0.01 ( 0%) sys 0.42 ( 0%) wall 0 kB ( 0%) ggc callgraph construction : 0.19 ( 0%) usr 0.01 ( 0%) sys 0.19 ( 0%) wall 7035 kB ( 1%) ggc callgraph optimization : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall 182 kB ( 0%) ggc ipa inlining heuristics : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall 0 kB ( 0%) ggc cfg construction : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall 1072 kB ( 0%) ggc cfg cleanup : 0.03 ( 0%) usr 0.01 ( 0%) sys 0.04 ( 0%) wall 13 kB ( 0%) ggc trivially dead code : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall 0 kB ( 0%) ggc df scan insns : 0.11 ( 0%) usr 0.01 ( 0%) sys 0.13 ( 0%) wall 17 kB ( 0%) ggc df live regs : 0.06 ( 0%) usr 0.00 ( 0%) sys 0.06 ( 0%) wall 0 kB ( 0%) ggc df reg dead/unused notes: 0.08 ( 0%) usr 0.00 ( 0%) sys 0.08 ( 0%) wall 2713 kB ( 0%) ggc register information : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall 0 kB ( 0%) ggc alias analysis : 0.04 ( 0%) usr 0.01 ( 0%) sys 0.04 ( 0%) wall 2400 kB ( 0%) ggc rebuild jump labels : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall 0 kB ( 0%) ggc preprocessing : 0.06 ( 0%) usr 0.09 ( 1%) sys 0.14 ( 0%) wall 1326 kB ( 0%) ggc parser (global) : 0.14 ( 0%) usr 0.05 ( 0%) sys 0.21 ( 0%) wall 25190 kB ( 2%) ggc parser struct body : 0.00 ( 0%) usr 0.01 ( 0%) sys 0.01 ( 0%) wall 4525 kB ( 0%) ggc parser function body : 1.04 ( 0%) usr 0.06 ( 0%) sys 1.10 ( 0%) wall 97874 kB ( 8%) ggc parser inl. func. body : 0.02 ( 0%) usr 0.01 ( 0%) sys 0.02 ( 0%) wall 2864 kB ( 0%) ggc parser inl. meth. body : 0.04 ( 0%) usr 0.01 ( 0%) sys 0.06 ( 0%) wall 2189 kB ( 0%) ggc template instantiation : 0.02 ( 0%) usr 0.01 ( 0%) sys 0.02 ( 0%) wall 3835 kB ( 0%) ggc inline parameters : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall 1176 kB ( 0%) ggc tree gimplify : 0.07 ( 0%) usr 0.01 ( 0%) sys 0.08 ( 0%) wall 13487 kB ( 1%) ggc tree eh : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall 5681 kB ( 0%) ggc tree CFG construction : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall 9974 kB ( 1%) ggc tree CFG cleanup : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall 17 kB ( 0%) ggc tree PHI insertion : 1.79 ( 0%) usr 0.09 ( 1%) sys 1.87 ( 0%) wall 924596 kB (77%) ggc tree SSA rewrite : 2.13 ( 1%) usr 0.08 ( 1%) sys 2.21 ( 1%) wall 4486 kB ( 0%) ggc tree SSA other : 0.03 ( 0%) usr 0.01 ( 0%) sys 0.06 ( 0%) wall 17 kB ( 0%) ggc tree SSA incremental : 0.11 ( 0%) usr 0.01 ( 0%) sys 0.11 ( 0%) wall 0 kB ( 0%) ggc tree operand scan : 0.03 ( 0%) usr 0.01 ( 0%) sys 0.03 ( 0%) wall 3108 kB ( 0%) ggc dominance frontiers : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall 0 kB ( 0%) ggc dominance computation : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall 0 kB ( 0%) ggc out of ssa : 386.85 (98%) usr 12.92 (96%) sys 399.80 (98%) wall 168 kB ( 0%) ggc expand vars : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall 2194 kB ( 0%) ggc expand : 0.27 ( 0%) usr 0.01 ( 0%) sys 0.28 ( 0%) wall 35591 kB ( 3%) ggc post expand cleanups : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall 3643 kB ( 0%) ggc loop init : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall 97 kB ( 0%) ggc integrated RA : 0.61 ( 0%) usr 0.01 ( 0%) sys 0.62 ( 0%) wall 19175 kB ( 2%) ggc reload : 0.34 ( 0%) usr 0.01 ( 0%) sys 0.35 ( 0%) wall 3658 kB ( 0%) ggc thread pro- & epilogue : 0.07 ( 0%) usr 0.00 ( 0%) sys 0.07 ( 0%) wall 361 kB ( 0%) ggc shorten branches : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall 0 kB ( 0%) ggc final : 0.23 ( 0%) usr 0.01 ( 0%) sys 0.24 ( 0%) wall 17991 kB ( 1%) ggc initialize rtl : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall 21 kB ( 0%) ggc rest of compilation : 0.12 ( 0%) usr 0.00 ( 0%) sys 0.13 ( 0%) wall 8532 kB ( 1%) ggc TOTAL : 395.30 13.46 408.80 1207221 kB