https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124925
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |mpolacek at gcc dot gnu.org
--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
$ perf stat -r5 xg++ -std=c++26 -fsyntax-only stdc++.h
Performance counter stats for 'xg++ -std=c++26 -fsyntax-only stdc++.h' (5
runs):
0 context-switches:u # 0.0 cs/sec
cs_per_second
0 cpu-migrations:u # 0.0
migrations/sec migrations_per_second
80,458 page-faults:u # 16307.1 faults/sec
page_faults_per_second ( +- 0.02% )
4,933.92 msec task-clock:u # nan CPUs
CPUs_utilized ( +- 0.16% )
101,038,872 branch-misses:u # 1.0 %
branch_miss_rate ( +- 0.42% ) (50.01%)
10,492,969,039 branches:u # 2126.7 M/sec
branch_frequency ( +- 0.06% ) (50.03%)
26,909,357,524 cpu-cycles:u # 5.5 GHz
cycles_frequency ( +- 0.09% ) (66.69%)
58,033,354,072 instructions:u # 2.2
instructions insn_per_cycle ( +- 0.18% ) (50.02%)
8,773,812,719 stalled-cycles-frontend:u # 0.33
frontend_cycles_idle ( +- 0.44% ) (50.00%)
4.943746813 +- 0.007941643 seconds time elapsed ( +- 0.16% )
$ perf stat -r5 xg++ -std=c++26 -fsyntax-only -freflection stdc++.h
Performance counter stats for 'xg++ -std=c++26 -fsyntax-only -freflection
stdc++.h' (5 runs):
0 context-switches:u # 0.0 cs/sec
cs_per_second
0 cpu-migrations:u # 0.0
migrations/sec migrations_per_second
81,099 page-faults:u # 16254.4 faults/sec
page_faults_per_second ( +- 0.00% )
4,989.36 msec task-clock:u # nan CPUs
CPUs_utilized ( +- 0.66% )
102,726,834 branch-misses:u # 1.0 %
branch_miss_rate ( +- 0.58% ) (49.98%)
10,681,074,259 branches:u # 2140.8 M/sec
branch_frequency ( +- 0.06% ) (50.01%)
27,347,396,329 cpu-cycles:u # 5.5 GHz
cycles_frequency ( +- 0.45% ) (66.67%)
59,028,719,550 instructions:u # 2.2
instructions insn_per_cycle ( +- 0.05% ) (50.04%)
8,835,672,943 stalled-cycles-frontend:u # 0.32
frontend_cycles_idle ( +- 0.61% ) (50.01%)
4.999518199 +- 0.033349767 seconds time elapsed ( +- 0.67% )
