https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87988
--- Comment #7 from Jan Hubicka <hubicka at gcc dot gnu.org> --- Hi, ltrans files are 1374K without and 1339K with patch. WPA report without patch: [WPA] read 13690507 SCCs of average size 1.397311 [WPA] 19129895 tree bodies read in total [WPA] tree SCC table: size 4194301, 2847668 elements, collision ratio: 0.834030 [WPA] tree SCC max chain length 156 (size 1) [WPA] Compared 5298938 SCCs, 3633923 collisions (0.685783) [WPA] Merged 5282405 SCCs [WPA] Merged 9857161 tree bodies [WPA] Merged 3063763 types [WPA] 1614359 types prevailed (2464626 associated trees) [WPA] GIMPLE canonical type table: size 32749, 22785 elements, 149648 searches, 63491 collisions (ratio: 0.424269) [WPA] GIMPLE canonical type pointer-map: 22785 elements, 348123 searches [WPA] # of input files: 2236 WPA] Compression: 298531604 input bytes, 898586109 uncompressed bytes (ratio: 3.010020) [WPA] Size of mmap'd section decls: 298531604 bytes WPA report with patch: WPA] read 13139926 SCCs of average size 1.412202 [WPA] 18556224 tree bodies read in total [WPA] tree SCC table: size 4194301, 2725601 elements, collision ratio: 0.813527 [WPA] tree SCC max chain length 153 (size 1) [WPA] Compared 5043033 SCCs, 3379920 collisions (0.670216) [WPA] Merged 5027945 SCCs [WPA] Merged 9584037 tree bodies [WPA] Merged 2957501 types [WPA] 1557131 types prevailed (2402973 associated trees) [WPA] GIMPLE canonical type table: size 32749, 22783 elements, 148468 searches, 63408 collisions (ratio: 0.427082) [WPA] GIMPLE canonical type pointer-map: 22783 elements, 347231 searches [WPA] Compression: 288287953 input bytes, 867825506 uncompressed bytes (ratio: 3.010273) [WPA] Size of mmap'd section decls: 288287953 bytes The WPA report after optimization without patch: WPA statistics [WPA] read 13690507 SCCs of average size 1.397311 [WPA] 19129895 tree bodies read in total [WPA] # of input files: 2236 [WPA] # of input cgraph nodes: 411683 [WPA] # of function bodies: 83824 [WPA] # of output files: 128 [WPA] # of output symtab nodes: 1050843 [WPA] # of output tree pickle references: 708465 [WPA] # of output tree bodies: 190996 [WPA] # callgraph partitions: 128 [WPA] Compression: 416611153 input bytes, 1228624058 uncompressed bytes (ratio: 2.949090) [WPA] Size of mmap'd section decls: 298531604 bytes [WPA] Size of mmap'd section function_body: 72959123 bytes with patch: WPA statistics [WPA] read 13139926 SCCs of average size 1.412202 [WPA] 18556224 tree bodies read in total [WPA] # of input files: 2236 [WPA] # of input cgraph nodes: 411683 [WPA] # of function bodies: 83824 [WPA] # of output files: 128 [WPA] # of output symtab nodes: 1050843 [WPA] # of output tree pickle references: 685935 [WPA] # of output tree bodies: 183785 [WPA] # callgraph partitions: 128 [WPA] Compression: 404728108 input bytes, 1193421138 uncompressed bytes (ratio: 2.948699) [WPA] Size of mmap'd section decls: 288287953 bytes [WPA] Size of mmap'd section function_body: 71319730 bytes
