https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112697
--- Comment #7 from Martin Jambor <jamborm at gcc dot gnu.org> --- Created attachment 56720 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56720&action=edit Perf annotate of milc built with r14-4972-g8aa47713701b1f commit r14-4972-g8aa47713701b1f: $ perf stat taskset -c 0 specinvoke Performance counter stats for 'taskset -c 0 specinvoke': 272931.43 msec task-clock:u # 1.000 CPUs utilized 0 context-switches:u # 0.000 /sec 0 cpu-migrations:u # 0.000 /sec 472353 page-faults:u # 1.731 K/sec 886165387570 cycles:u # 3.247 GHz (83.33%) 31546898034 stalled-cycles-frontend:u # 3.56% frontend cycles idle (83.33%) 729878095777 stalled-cycles-backend:u # 82.36% backend cycles idle (83.33%) 1061779557370 instructions:u # 1.20 insn per cycle # 0.69 stalled cycles per insn (83.33%) 58797121078 branches:u # 215.428 M/sec (83.33%) 6960852 branch-misses:u # 0.01% of all branches (83.33%) 272.967381843 seconds time elapsed 268.718335000 seconds user 4.212584000 seconds sys $ perf record taskset -c 0 specinvoke [ perf record: Woken up 167 times to write data ] [ perf record: Captured and wrote 41.549 MB perf.data (1088982 samples) ] $ perf report -n --percent-limit=1 --stdio # To display the perf.data header info, please use --header/--header-only options. # # # Total Lost Samples: 0 # # Samples: 1M of event 'cycles:Pu' # Event count (approx.): 883903400858 # # Overhead Samples Command Shared Object Symbol # ........ ............ ............... ...................... ...................................... # 24.34% 260907 milc_base.mine- milc_base.mine-lto-gen [.] add_force_to_mom 18.01% 198287 milc_base.mine- milc_base.mine-lto-gen [.] mult_su3_na 17.45% 187529 milc_base.mine- milc_base.mine-lto-gen [.] u_shift_fermion 14.22% 155596 milc_base.mine- milc_base.mine-lto-gen [.] mult_su3_nn 5.61% 60601 milc_base.mine- milc_base.mine-lto-gen [.] scalar_mult_add_su3_matrix 4.35% 51034 milc_base.mine- milc_base.mine-lto-gen [.] path_product 4.24% 46032 milc_base.mine- milc_base.mine-lto-gen [.] mult_su3_an 2.99% 32624 milc_base.mine- milc_base.mine-lto-gen [.] imp_gauge_force.constprop.0 1.50% 16242 milc_base.mine- milc_base.mine-lto-gen [.] compute_gen_staple 1.35% 14580 milc_base.mine- milc_base.mine-lto-gen [.] mult_su3_mat_vec_sum_4dir 1.21% 12922 milc_base.mine- milc_base.mine-lto-gen [.] make_anti_hermitian 1.06% 11469 milc_base.mine- milc_base.mine-lto-gen [.] mult_adj_su3_mat_4vec 1.03% 11111 milc_base.mine- libc.so.6 [.] __memset_avx2_unaligned_erms $ perf annotate -n --percent-limit=1 > ~/tmp/milc-perf-annotate-8aa47713701 (gzipeped and attached)
