Compiling this file took about 2.9GB of ram with -fmodulo-sched -freschedule-modulo-scheduled-loops and 1.8 gigs without (visual inspection of "top"). I guess even the "without" space requirements are somewhat outside my expectations.
all.i.gz will be attached to the next message. euler-7% gcc -v Using built-in specs. Target: x86_64-unknown-linux-gnu Configured with: ../configure --prefix=/pkgs/gcc-mainline --disable-checking --enable-languages=c Thread model: posix gcc version 4.2.0 20061006 (experimental) With modulo-scheduling: euler-6% gcc -I../include -I. -Wall -W -Wno-unused -O1 -fno-math-errno -fschedule-insns2 -fno-trapping-math -fno-strict-aliasing -fwrapv -fexpensive-optimizations -fforce-addr -fpeephole2 -falign-jumps -falign-functions -fno-function-cse -ftree-copyrename -ftree-fre -ftree-dce -fregmove -fgcse-las -freorder-functions -fcaller-saves -fno-if-conversion2 -foptimize-sibling-calls -fcse-skip-blocks -funit-at-a-time -finline-functions -fmodulo-sched -freschedule-modulo-scheduled-loops -fomit-frame-pointer -fPIC -fno-common -mieee-fp -DHAVE_CONFIG_H -D___PRIMAL -D___LIBRARY -D___GAMBCDIR=\"/pkgs/Gambit-C/4.0b20\" -c _io.c -save-temps -ftime-report -fmem-report Memory still allocated at the end of the compilation process Size Allocated Used Overhead 8 16k 15k 480 16 16k 12k 352 64 4096 640 64 256 12k 9216 168 512 56k 53k 784 1024 136k 136k 1904 2048 116k 114k 1624 4096 100k 100k 1400 8192 56k 56k 392 16384 16k 16k 56 112 4096 672 56 208 12k 8112 168 192 12k 8256 168 160 88k 82k 1232 176 160k 157k 2240 96 1500k 1475k 20k 416 188k 171k 2632 128 52k 51k 728 48 228k 225k 3648 224 368k 359k 5152 32 224k 222k 4032 80 12k 11k 168 Total 3376k 3286k 47k String pool entries 15401 identifiers 15401 (100.00%) slots 32768 bytes 426k (18k overhead) table size 256k coll/search 0.3413 ins/search 0.0729 avg. entry 28.37 bytes (+/- 15.54) longest entry 92 ??? tree nodes created (No per-node statistics) Type hash: size 1021, 372 elements, 0.247253 collisions DECL_DEBUG_EXPR hash: size 1021, 0 elements, 0.000000 collisions DECL_VALUE_EXPR hash: size 1021, 0 elements, 0.000000 collisions Execution times (seconds) TOTAL : 0.46 0.02 0.64 3231 kB Memory still allocated at the end of the compilation process Size Allocated Used Overhead 8 16k 13k 480 16 92k 39k 2024 64 820k 729k 12k 256 4096 1024 56 512 4096 512 56 1024 124k 120k 1736 2048 12k 10k 168 4096 64k 64k 896 8192 40k 40k 280 16384 16k 16k 56 32768 96k 96k 168 65536 704k 704k 616 131072 512k 512k 224 524288 1024k 1024k 112 112 216k 200k 3024 208 20k 17k 280 192 1572k 1539k 21k 160 40k 18k 560 176 976k 723k 13k 96 5536k 4706k 75k 416 16k 8320 224 48 1744k 826k 27k 224 440k 390k 6160 32 1616k 257k 28k 80 9624k 1018k 131k Total 24M 12M 327k String pool entries 49980 identifiers 49980 (100.00%) slots 131072 bytes 736k (54k overhead) table size 1024k coll/search 0.4881 ins/search 0.1914 avg. entry 15.09 bytes (+/- 11.94) longest entry 92 ??? tree nodes created (No per-node statistics) Type hash: size 1021, 515 elements, 0.801737 collisions DECL_DEBUG_EXPR hash: size 4093, 0 elements, 0.732265 collisions DECL_VALUE_EXPR hash: size 1021, 0 elements, 0.000000 collisions Execution times (seconds) garbage collection : 1.69 ( 2%) usr 0.08 ( 1%) sys 1.81 ( 2%) wall 0 kB ( 0%) ggc callgraph construction: 0.21 ( 0%) usr 0.03 ( 1%) sys 0.26 ( 0%) wall 4932 kB ( 0%) ggc callgraph optimization: 0.01 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall 0 kB ( 0%) ggc ipa reference : 0.06 ( 0%) usr 0.02 ( 0%) sys 0.08 ( 0%) wall 8 kB ( 0%) ggc cfg cleanup : 1.30 ( 2%) usr 0.00 ( 0%) sys 1.38 ( 2%) wall 432 kB ( 0%) ggc trivially dead code : 0.32 ( 0%) usr 0.00 ( 0%) sys 0.33 ( 0%) wall 0 kB ( 0%) ggc life analysis : 4.40 ( 6%) usr 0.00 ( 0%) sys 4.58 ( 5%) wall 3687 kB ( 0%) ggc life info update : 0.30 ( 0%) usr 0.00 ( 0%) sys 0.27 ( 0%) wall 0 kB ( 0%) ggc alias analysis : 0.44 ( 1%) usr 0.00 ( 0%) sys 0.50 ( 1%) wall 5208 kB ( 0%) ggc register scan : 0.17 ( 0%) usr 0.00 ( 0%) sys 0.20 ( 0%) wall 1 kB ( 0%) ggc rebuild jump labels : 0.12 ( 0%) usr 0.00 ( 0%) sys 0.12 ( 0%) wall 0 kB ( 0%) ggc preprocessing : 0.34 ( 0%) usr 0.39 ( 7%) sys 0.62 ( 1%) wall 1187 kB ( 0%) ggc lexical analysis : 0.26 ( 0%) usr 0.67 (12%) sys 1.19 ( 1%) wall 0 kB ( 0%) ggc parser : 0.46 ( 1%) usr 0.46 ( 8%) sys 0.88 ( 1%) wall 26574 kB ( 2%) ggc integration : 0.08 ( 0%) usr 0.02 ( 0%) sys 0.10 ( 0%) wall 0 kB ( 0%) ggc tree gimplify : 0.27 ( 0%) usr 0.01 ( 0%) sys 0.29 ( 0%) wall 8869 kB ( 1%) ggc tree eh : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall 0 kB ( 0%) ggc tree CFG construction : 0.10 ( 0%) usr 0.01 ( 0%) sys 0.12 ( 0%) wall 21804 kB ( 2%) ggc tree CFG cleanup : 1.07 ( 1%) usr 0.00 ( 0%) sys 1.08 ( 1%) wall 3029 kB ( 0%) ggc tree copy propagation : 0.40 ( 1%) usr 0.01 ( 0%) sys 0.40 ( 0%) wall 931 kB ( 0%) ggc tree store copy prop : 0.14 ( 0%) usr 0.00 ( 0%) sys 0.16 ( 0%) wall 288 kB ( 0%) ggc tree find ref. vars : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.05 ( 0%) wall 1300 kB ( 0%) ggc tree PTA : 1.19 ( 2%) usr 0.02 ( 0%) sys 1.28 ( 1%) wall 1176 kB ( 0%) ggc tree alias analysis : 0.62 ( 1%) usr 0.13 ( 2%) sys 0.70 ( 1%) wall 106 kB ( 0%) ggc tree PHI insertion : 0.14 ( 0%) usr 0.02 ( 0%) sys 0.15 ( 0%) wall 8889 kB ( 1%) ggc tree SSA rewrite : 0.62 ( 1%) usr 0.01 ( 0%) sys 0.67 ( 1%) wall 10323 kB ( 1%) ggc tree SSA other : 0.03 ( 0%) usr 0.02 ( 0%) sys 0.11 ( 0%) wall 0 kB ( 0%) ggc tree SSA incremental : 1.53 ( 2%) usr 0.01 ( 0%) sys 1.62 ( 2%) wall 1494 kB ( 0%) ggc tree operand scan : 0.53 ( 1%) usr 0.28 ( 5%) sys 0.87 ( 1%) wall 10327 kB ( 1%) ggc dominator optimization: 0.74 ( 1%) usr 0.00 ( 0%) sys 0.81 ( 1%) wall 17425 kB ( 2%) ggc tree SRA : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall 0 kB ( 0%) ggc tree STORE-CCP : 0.14 ( 0%) usr 0.00 ( 0%) sys 0.14 ( 0%) wall 2 kB ( 0%) ggc tree CCP : 0.14 ( 0%) usr 0.00 ( 0%) sys 0.15 ( 0%) wall 9 kB ( 0%) ggc tree PHI const/copy prop: 0.04 ( 0%) usr 0.00 ( 0%) sys 0.06 ( 0%) wall 0 kB ( 0%) ggc tree split crit edges : 0.03 ( 0%) usr 0.01 ( 0%) sys 0.04 ( 0%) wall 8831 kB ( 1%) ggc tree reassociation : 0.14 ( 0%) usr 0.00 ( 0%) sys 0.16 ( 0%) wall 15 kB ( 0%) ggc tree FRE : 3.54 ( 4%) usr 0.04 ( 1%) sys 3.76 ( 4%) wall 6874 kB ( 1%) ggc tree code sinking : 0.14 ( 0%) usr 0.00 ( 0%) sys 0.15 ( 0%) wall 1 kB ( 0%) ggc tree linearize phis : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall 0 kB ( 0%) ggc tree forward propagate: 0.03 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall 1 kB ( 0%) ggc tree conservative DCE : 0.42 ( 1%) usr 0.00 ( 0%) sys 0.44 ( 0%) wall 0 kB ( 0%) ggc tree aggressive DCE : 0.13 ( 0%) usr 0.00 ( 0%) sys 0.14 ( 0%) wall 0 kB ( 0%) ggc tree DSE : 0.10 ( 0%) usr 0.00 ( 0%) sys 0.11 ( 0%) wall 1 kB ( 0%) ggc PHI merge : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall 15 kB ( 0%) ggc tree loop bounds : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall 3 kB ( 0%) ggc loop invariant motion : 0.10 ( 0%) usr 0.00 ( 0%) sys 0.11 ( 0%) wall 0 kB ( 0%) ggc tree canonical iv : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall 3 kB ( 0%) ggc scev constant prop : 0.15 ( 0%) usr 0.01 ( 0%) sys 0.16 ( 0%) wall 586 kB ( 0%) ggc complete unrolling : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall 7 kB ( 0%) ggc tree iv optimization : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall 46 kB ( 0%) ggc tree loop init : 0.43 ( 1%) usr 0.02 ( 0%) sys 0.45 ( 1%) wall 12011 kB ( 1%) ggc tree copy headers : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall 8 kB ( 0%) ggc tree SSA uncprop : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.06 ( 0%) wall 0 kB ( 0%) ggc tree SSA to normal : 4.47 ( 6%) usr 0.02 ( 0%) sys 4.69 ( 5%) wall 23550 kB ( 2%) ggc tree rename SSA copies: 0.13 ( 0%) usr 0.00 ( 0%) sys 0.13 ( 0%) wall 0 kB ( 0%) ggc dominance frontiers : 0.13 ( 0%) usr 0.00 ( 0%) sys 0.14 ( 0%) wall 0 kB ( 0%) ggc dominance computation : 0.56 ( 1%) usr 0.00 ( 0%) sys 0.59 ( 1%) wall 0 kB ( 0%) ggc expand : 2.06 ( 3%) usr 0.03 ( 1%) sys 2.21 ( 2%) wall 39692 kB ( 4%) ggc jump : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall 0 kB ( 0%) ggc CSE : 0.51 ( 1%) usr 0.01 ( 0%) sys 0.55 ( 1%) wall 1357 kB ( 0%) ggc loop analysis : 3.37 ( 4%) usr 0.89 (16%) sys 4.46 ( 5%) wall 1712 kB ( 0%) ggc branch prediction : 0.22 ( 0%) usr 0.00 ( 0%) sys 0.23 ( 0%) wall 534 kB ( 0%) ggc flow analysis : 0.05 ( 0%) usr 0.00 ( 0%) sys 0.05 ( 0%) wall 0 kB ( 0%) ggc combiner : 0.51 ( 1%) usr 0.02 ( 0%) sys 0.54 ( 1%) wall 6020 kB ( 1%) ggc if-conversion : 0.18 ( 0%) usr 0.00 ( 0%) sys 0.19 ( 0%) wall 93 kB ( 0%) ggc regmove : 0.28 ( 0%) usr 0.00 ( 0%) sys 0.31 ( 0%) wall 0 kB ( 0%) ggc mode switching : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall 0 kB ( 0%) ggc sms modulo scheduling : 34.03 (43%) usr 1.44 (26%) sys 37.23 (42%) wall 1692 kB ( 0%) ggc local alloc : 0.63 ( 1%) usr 0.00 ( 0%) sys 0.67 ( 1%) wall 1722 kB ( 0%) ggc global alloc : 2.13 ( 3%) usr 0.04 ( 1%) sys 2.28 ( 3%) wall 2239 kB ( 0%) ggc reload CSE regs : 0.63 ( 1%) usr 0.01 ( 0%) sys 0.65 ( 1%) wall 6964 kB ( 1%) ggc flow 2 : 0.13 ( 0%) usr 0.00 ( 0%) sys 0.15 ( 0%) wall 889 kB ( 0%) ggc peephole 2 : 0.09 ( 0%) usr 0.00 ( 0%) sys 0.11 ( 0%) wall 289 kB ( 0%) ggc rename registers : 0.18 ( 0%) usr 0.02 ( 0%) sys 0.19 ( 0%) wall 22 kB ( 0%) ggc scheduling 2 : 0.93 ( 1%) usr 0.01 ( 0%) sys 0.96 ( 1%) wall 5634 kB ( 0%) ggc machine dep reorg : 0.14 ( 0%) usr 0.00 ( 0%) sys 0.16 ( 0%) wall 50 kB ( 0%) ggc reorder blocks : 3.74 ( 5%) usr 0.62 (11%) sys 4.60 ( 5%) wall 879054 kB (78%) ggc final : 0.53 ( 1%) usr 0.02 ( 0%) sys 0.57 ( 1%) wall 1073 kB ( 0%) ggc TOTAL : 79.08 5.58 88.85 1131330 kB Without modulo-scheduling: euler-12% gcc -I../include -I. -Wall -W -Wno-unused -O1 -fno-math-errno -fschedule-insns2 -fno-trapping-math -fno-strict-aliasing -fwrapv -fexpensive-optimizations -fforce-addr -fpeephole2 -falign-jumps -falign-functions -fno-function-cse -ftree-copyrename -ftree-fre -ftree-dce -fregmove -fgcse-las -freorder-functions -fcaller-saves -fno-if-conversion2 -foptimize-sibling-calls -fcse-skip-blocks -funit-at-a-time -finline-functions -fomit-frame-pointer -fPIC -fno-common -mieee-fp -DHAVE_CONFIG_H -D___PRIMAL -D___LIBRARY -D___GAMBCDIR=\"/pkgs/Gambit-C/4.0b20\" -c _io.c -save-temps -ftime-report -fmem-report Memory still allocated at the end of the compilation process Size Allocated Used Overhead 8 16k 15k 480 16 16k 12k 352 64 4096 640 64 256 12k 9216 168 512 56k 53k 784 1024 136k 136k 1904 2048 116k 114k 1624 4096 100k 100k 1400 8192 56k 56k 392 16384 16k 16k 56 112 4096 672 56 208 12k 8112 168 192 12k 8256 168 160 88k 82k 1232 176 160k 157k 2240 96 1500k 1475k 20k 416 188k 171k 2632 128 52k 51k 728 48 228k 225k 3648 224 368k 359k 5152 32 224k 222k 4032 80 12k 11k 168 Total 3376k 3286k 47k String pool entries 15401 identifiers 15401 (100.00%) slots 32768 bytes 426k (18k overhead) table size 256k coll/search 0.3413 ins/search 0.0729 avg. entry 28.37 bytes (+/- 15.54) longest entry 92 ??? tree nodes created (No per-node statistics) Type hash: size 1021, 372 elements, 0.247253 collisions DECL_DEBUG_EXPR hash: size 1021, 0 elements, 0.000000 collisions DECL_VALUE_EXPR hash: size 1021, 0 elements, 0.000000 collisions Execution times (seconds) TOTAL : 0.47 0.02 0.59 3231 kB Memory still allocated at the end of the compilation process Size Allocated Used Overhead 8 16k 13k 480 16 92k 39k 2024 64 820k 729k 12k 256 4096 1024 56 512 4096 512 56 1024 124k 120k 1736 2048 12k 10k 168 4096 64k 64k 896 8192 40k 40k 280 16384 16k 16k 56 32768 96k 96k 168 65536 704k 704k 616 131072 512k 512k 224 524288 1024k 1024k 112 112 216k 200k 3024 208 20k 17k 280 192 1572k 1539k 21k 160 40k 18k 560 176 976k 723k 13k 96 5536k 4706k 75k 416 16k 8320 224 48 1744k 826k 27k 224 440k 390k 6160 32 1620k 257k 28k 80 9636k 1018k 131k Total 24M 12M 327k String pool entries 49980 identifiers 49980 (100.00%) slots 131072 bytes 736k (54k overhead) table size 1024k coll/search 0.4881 ins/search 0.1914 avg. entry 15.09 bytes (+/- 11.94) longest entry 92 ??? tree nodes created (No per-node statistics) Type hash: size 1021, 515 elements, 0.801737 collisions DECL_DEBUG_EXPR hash: size 4093, 0 elements, 0.758810 collisions DECL_VALUE_EXPR hash: size 1021, 0 elements, 0.000000 collisions Execution times (seconds) garbage collection : 1.62 ( 4%) usr 0.07 ( 2%) sys 1.70 ( 3%) wall 0 kB ( 0%) ggc callgraph construction: 0.20 ( 0%) usr 0.03 ( 1%) sys 0.24 ( 0%) wall 4932 kB ( 0%) ggc callgraph optimization: 0.01 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall 0 kB ( 0%) ggc ipa reference : 0.07 ( 0%) usr 0.02 ( 1%) sys 0.09 ( 0%) wall 8 kB ( 0%) ggc cfg cleanup : 1.22 ( 3%) usr 0.00 ( 0%) sys 1.23 ( 3%) wall 344 kB ( 0%) ggc trivially dead code : 0.30 ( 1%) usr 0.00 ( 0%) sys 0.32 ( 1%) wall 0 kB ( 0%) ggc life analysis : 3.98 ( 9%) usr 0.00 ( 0%) sys 4.02 ( 8%) wall 3773 kB ( 0%) ggc life info update : 0.19 ( 0%) usr 0.00 ( 0%) sys 0.19 ( 0%) wall 0 kB ( 0%) ggc alias analysis : 0.37 ( 1%) usr 0.00 ( 0%) sys 0.37 ( 1%) wall 4696 kB ( 0%) ggc register scan : 0.19 ( 0%) usr 0.00 ( 0%) sys 0.20 ( 0%) wall 1 kB ( 0%) ggc rebuild jump labels : 0.10 ( 0%) usr 0.00 ( 0%) sys 0.10 ( 0%) wall 0 kB ( 0%) ggc preprocessing : 0.38 ( 1%) usr 0.41 (10%) sys 0.66 ( 1%) wall 1187 kB ( 0%) ggc lexical analysis : 0.21 ( 0%) usr 0.66 (17%) sys 1.05 ( 2%) wall 0 kB ( 0%) ggc parser : 0.54 ( 1%) usr 0.38 (10%) sys 1.00 ( 2%) wall 26574 kB ( 2%) ggc integration : 0.08 ( 0%) usr 0.02 ( 1%) sys 0.10 ( 0%) wall 0 kB ( 0%) ggc tree gimplify : 0.27 ( 1%) usr 0.01 ( 0%) sys 0.29 ( 1%) wall 8869 kB ( 1%) ggc tree eh : 0.02 ( 0%) usr 0.01 ( 0%) sys 0.03 ( 0%) wall 0 kB ( 0%) ggc tree CFG construction : 0.10 ( 0%) usr 0.01 ( 0%) sys 0.13 ( 0%) wall 21804 kB ( 2%) ggc tree CFG cleanup : 1.03 ( 2%) usr 0.00 ( 0%) sys 1.08 ( 2%) wall 3029 kB ( 0%) ggc tree copy propagation : 0.40 ( 1%) usr 0.01 ( 0%) sys 0.40 ( 1%) wall 931 kB ( 0%) ggc tree store copy prop : 0.15 ( 0%) usr 0.00 ( 0%) sys 0.15 ( 0%) wall 288 kB ( 0%) ggc tree find ref. vars : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall 1300 kB ( 0%) ggc tree PTA : 1.16 ( 3%) usr 0.04 ( 1%) sys 1.26 ( 3%) wall 1176 kB ( 0%) ggc tree alias analysis : 0.61 ( 1%) usr 0.16 ( 4%) sys 0.78 ( 2%) wall 106 kB ( 0%) ggc tree PHI insertion : 0.13 ( 0%) usr 0.01 ( 0%) sys 0.15 ( 0%) wall 8889 kB ( 1%) ggc tree SSA rewrite : 0.65 ( 1%) usr 0.00 ( 0%) sys 0.65 ( 1%) wall 10323 kB ( 1%) ggc tree SSA other : 0.03 ( 0%) usr 0.04 ( 1%) sys 0.08 ( 0%) wall 0 kB ( 0%) ggc tree SSA incremental : 1.56 ( 4%) usr 0.00 ( 0%) sys 1.57 ( 3%) wall 1494 kB ( 0%) ggc tree operand scan : 0.54 ( 1%) usr 0.22 ( 6%) sys 0.75 ( 2%) wall 10327 kB ( 1%) ggc dominator optimization: 0.76 ( 2%) usr 0.02 ( 1%) sys 0.82 ( 2%) wall 17425 kB ( 2%) ggc tree STORE-CCP : 0.13 ( 0%) usr 0.00 ( 0%) sys 0.14 ( 0%) wall 2 kB ( 0%) ggc tree CCP : 0.14 ( 0%) usr 0.00 ( 0%) sys 0.15 ( 0%) wall 9 kB ( 0%) ggc tree PHI const/copy prop: 0.06 ( 0%) usr 0.00 ( 0%) sys 0.06 ( 0%) wall 0 kB ( 0%) ggc tree split crit edges : 0.05 ( 0%) usr 0.00 ( 0%) sys 0.05 ( 0%) wall 8831 kB ( 1%) ggc tree reassociation : 0.13 ( 0%) usr 0.00 ( 0%) sys 0.16 ( 0%) wall 15 kB ( 0%) ggc tree FRE : 3.59 ( 8%) usr 0.04 ( 1%) sys 3.83 ( 8%) wall 6874 kB ( 1%) ggc tree code sinking : 0.14 ( 0%) usr 0.00 ( 0%) sys 0.14 ( 0%) wall 1 kB ( 0%) ggc tree linearize phis : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall 0 kB ( 0%) ggc tree forward propagate: 0.07 ( 0%) usr 0.00 ( 0%) sys 0.05 ( 0%) wall 1 kB ( 0%) ggc tree conservative DCE : 0.42 ( 1%) usr 0.00 ( 0%) sys 0.42 ( 1%) wall 0 kB ( 0%) ggc tree aggressive DCE : 0.14 ( 0%) usr 0.00 ( 0%) sys 0.14 ( 0%) wall 0 kB ( 0%) ggc tree DSE : 0.09 ( 0%) usr 0.00 ( 0%) sys 0.12 ( 0%) wall 1 kB ( 0%) ggc PHI merge : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall 15 kB ( 0%) ggc tree loop bounds : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall 3 kB ( 0%) ggc loop invariant motion : 0.11 ( 0%) usr 0.00 ( 0%) sys 0.10 ( 0%) wall 0 kB ( 0%) ggc tree canonical iv : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall 3 kB ( 0%) ggc scev constant prop : 0.15 ( 0%) usr 0.00 ( 0%) sys 0.16 ( 0%) wall 586 kB ( 0%) ggc complete unrolling : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall 7 kB ( 0%) ggc tree iv optimization : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall 46 kB ( 0%) ggc tree loop init : 0.39 ( 1%) usr 0.02 ( 1%) sys 0.44 ( 1%) wall 12011 kB ( 1%) ggc tree copy headers : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall 8 kB ( 0%) ggc tree SSA uncprop : 0.06 ( 0%) usr 0.00 ( 0%) sys 0.05 ( 0%) wall 0 kB ( 0%) ggc tree SSA to normal : 4.65 (10%) usr 0.02 ( 1%) sys 4.69 (10%) wall 23550 kB ( 2%) ggc tree rename SSA copies: 0.13 ( 0%) usr 0.00 ( 0%) sys 0.13 ( 0%) wall 0 kB ( 0%) ggc dominance frontiers : 0.13 ( 0%) usr 0.00 ( 0%) sys 0.16 ( 0%) wall 0 kB ( 0%) ggc dominance computation : 0.57 ( 1%) usr 0.00 ( 0%) sys 0.57 ( 1%) wall 0 kB ( 0%) ggc expand : 2.04 ( 5%) usr 0.03 ( 1%) sys 2.07 ( 4%) wall 39692 kB ( 3%) ggc varconst : 0.00 ( 0%) usr 0.01 ( 0%) sys 0.00 ( 0%) wall 8 kB ( 0%) ggc jump : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall 0 kB ( 0%) ggc CSE : 0.53 ( 1%) usr 0.01 ( 0%) sys 0.54 ( 1%) wall 1357 kB ( 0%) ggc loop analysis : 3.17 ( 7%) usr 0.76 (19%) sys 3.93 ( 8%) wall 1712 kB ( 0%) ggc branch prediction : 0.22 ( 0%) usr 0.00 ( 0%) sys 0.23 ( 0%) wall 534 kB ( 0%) ggc flow analysis : 0.05 ( 0%) usr 0.00 ( 0%) sys 0.05 ( 0%) wall 0 kB ( 0%) ggc combiner : 0.51 ( 1%) usr 0.00 ( 0%) sys 0.52 ( 1%) wall 6020 kB ( 1%) ggc if-conversion : 0.17 ( 0%) usr 0.00 ( 0%) sys 0.18 ( 0%) wall 93 kB ( 0%) ggc regmove : 0.30 ( 1%) usr 0.00 ( 0%) sys 0.30 ( 1%) wall 0 kB ( 0%) ggc local alloc : 0.65 ( 1%) usr 0.01 ( 0%) sys 0.66 ( 1%) wall 2420 kB ( 0%) ggc global alloc : 2.03 ( 5%) usr 0.04 ( 1%) sys 2.07 ( 4%) wall 2856 kB ( 0%) ggc reload CSE regs : 0.61 ( 1%) usr 0.01 ( 0%) sys 0.61 ( 1%) wall 6964 kB ( 1%) ggc flow 2 : 0.11 ( 0%) usr 0.00 ( 0%) sys 0.11 ( 0%) wall 888 kB ( 0%) ggc peephole 2 : 0.08 ( 0%) usr 0.00 ( 0%) sys 0.08 ( 0%) wall 287 kB ( 0%) ggc rename registers : 0.17 ( 0%) usr 0.00 ( 0%) sys 0.17 ( 0%) wall 4 kB ( 0%) ggc scheduling 2 : 0.91 ( 2%) usr 0.02 ( 1%) sys 0.94 ( 2%) wall 5694 kB ( 0%) ggc machine dep reorg : 0.16 ( 0%) usr 0.00 ( 0%) sys 0.15 ( 0%) wall 50 kB ( 0%) ggc reorder blocks : 3.74 ( 8%) usr 0.70 (18%) sys 4.44 ( 9%) wall 892891 kB (78%) ggc final : 0.53 ( 1%) usr 0.00 ( 0%) sys 0.53 ( 1%) wall 1073 kB ( 0%) ggc TOTAL : 44.31 3.97 49.15 1144316 kB -- Summary: Inordinate space required for modulo scheduling Product: gcc Version: 4.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: lucier at math dot purdue dot edu GCC build triplet: x86_64-unknown-linux-gnu GCC host triplet: x86_64-unknown-linux-gnu GCC target triplet: x86_64-unknown-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29374