Greeting,
FYI, we noticed a 87.1% improvement of stress-ng.numa.ops_per_sec due to commit:
commit: 31733463372e8d88ea54bfa1e35178aad9b2ffd2 ("mm: lru_cache_disable: use synchronize_rcu_expedited")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
in testcase: stress-ng
on test machine: 96 threads 2 sockets Intel(R) Xeon(R) Gold 6252 CPU @ 2.10GHz with 512G memory
with following parameters:
nr_threads: 10%
disk: 1HDD
testtime: 60s
fs: ext4
class: os
test: numa
cpufreq_governor: performance
ucode: 0x500320a
Details are as below:
-------------------------------------------------------------------------------------------------->
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
sudo bin/lkp install job.yaml # job file is attached in this email
bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
sudo bin/lkp run generated-yaml-file
# if come across any failure that blocks the test,
# please remove ~/.lkp and /lkp dir to run from a clean state.
=========================================================================================
class/compiler/cpufreq_governor/disk/fs/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime/ucode:
os/gcc-11/performance/1HDD/ext4/x86_64-rhel-8.3/10%/debian-11.1-x86_64-20220510.cgz/lkp-csl-2sp7/numa/stress-ng/60s/0x500320a
commit:
042999388e ("mm/page_isolation.c: fix one kernel-doc comment")
3173346337 ("mm: lru_cache_disable: use synchronize_rcu_expedited")
042999388ef3dba4 31733463372e8d88ea54bfa1e35
---------------- ---------------------------
%stddev %change %stddev
\ | \
179.60 +86.5% 335.00 stress-ng.numa.ops
2.98 +87.1% 5.57 stress-ng.numa.ops_per_sec
652.20 ? 6% +1304.1% 9157 ? 2% stress-ng.time.involuntary_context_switches
451.80 +89.5% 856.33 stress-ng.time.percent_of_cpu_this_job_got
281.38 +88.8% 531.30 stress-ng.time.system_time
60474 ? 33% -28.7% 43133 ? 11% sched_debug.cfs_rq:/.min_vruntime.max
94.47 -4.1% 90.55 iostat.cpu.idle
5.38 +72.6% 9.29 iostat.cpu.system
4.57 +4.1 8.69 mpstat.cpu.all.sys%
0.11 ? 2% +0.0 0.12 mpstat.cpu.all.usr%
4.20 ? 9% +90.5% 8.00 vmstat.procs.r
2265 +19.3% 2703 ? 6% vmstat.system.cs
9129 ? 7% +25.5% 11453 ? 4% meminfo.Active
6364 ? 10% +35.5% 8626 ? 5% meminfo.Active(anon)
10326 ? 8% +27.8% 13192 ? 4% meminfo.Shmem
3024 ? 18% +25.6% 3799 ? 8% numa-meminfo.node0.PageTables
5788 ? 18% +37.8% 7974 ? 7% numa-meminfo.node1.Active
5018 ? 14% +44.5% 7252 ? 6% numa-meminfo.node1.Active(anon)
2428 ? 24% -31.6% 1662 ? 20% numa-meminfo.node1.PageTables
166.80 +68.8% 281.50 turbostat.Avg_MHz
6.35 +3.8 10.18 turbostat.Busy%
2634 ? 2% +5.2% 2771 turbostat.Bzy_MHz
170.35 ? 2% +18.1% 201.11 turbostat.PkgWatt
445370 ? 52% +108.5% 928743 ? 9% numa-numastat.node0.local_node
974639 ? 2% +77.2% 1727067 numa-numastat.node0.numa_hit
529268 ? 43% +50.8% 797873 ? 12% numa-numastat.node0.other_node
1073228 +67.2% 1794085 numa-numastat.node1.numa_hit
386489 ? 63% +121.4% 855707 ? 11% numa-numastat.node1.other_node
1028 ? 9% +91.5% 1970 ? 3% numa-vmstat.node0.nr_isolated_anon
755.20 ? 18% +25.7% 949.33 ? 8% numa-vmstat.node0.nr_page_table_pages
974681 ? 2% +77.2% 1727120 numa-vmstat.node0.numa_hit
445412 ? 52% +108.5% 928796 ? 9% numa-vmstat.node0.numa_local
529268 ? 43% +50.7% 797872 ? 12% numa-vmstat.node0.numa_other
1254 ? 14% +44.5% 1812 ? 6% numa-vmstat.node1.nr_active_anon
1057 ? 4% +86.4% 1971 ? 5% numa-vmstat.node1.nr_isolated_anon
607.00 ? 24% -31.6% 415.17 ? 20% numa-vmstat.node1.nr_page_table_pages
1254 ? 14% +44.5% 1812 ? 6% numa-vmstat.node1.nr_zone_active_anon
1073132 +67.2% 1794136 numa-vmstat.node1.numa_hit
386489 ? 63% +121.4% 855707 ? 11% numa-vmstat.node1.numa_other
1591 ? 10% +35.5% 2156 ? 5% proc-vmstat.nr_active_anon
73969 -2.6% 72069 proc-vmstat.nr_anon_pages
75032 -2.5% 73153 proc-vmstat.nr_inactive_anon
2038 ? 6% +97.1% 4017 proc-vmstat.nr_isolated_anon
17177 +2.0% 17517 proc-vmstat.nr_kernel_stack
8571 +2.4% 8778 proc-vmstat.nr_mapped
2581 ? 8% +27.7% 3297 ? 4% proc-vmstat.nr_shmem
1591 ? 10% +35.5% 2156 ? 5% proc-vmstat.nr_zone_active_anon
75030 -2.5% 73156 proc-vmstat.nr_zone_inactive_anon
2049310 +71.9% 3522921 proc-vmstat.numa_hit
1133558 +64.9% 1868885 proc-vmstat.numa_local
915758 +80.6% 1653580 proc-vmstat.numa_other
6517 ? 7% +23.6% 8052 ? 4% proc-vmstat.pgactivate
2049415 +71.9% 3522570 proc-vmstat.pgalloc_normal
1949776 +75.5% 3420913 proc-vmstat.pgfree
30189 ? 3% +121.4% 66853 ? 2% proc-vmstat.pgmigrate_fail
7.843e+08 +88.2% 1.476e+09 proc-vmstat.pgmigrate_success
1531737 +88.2% 2882131 proc-vmstat.thp_migration_success
279.42 +3.4% 288.88 perf-stat.i.MPKI
8.095e+08 +64.1% 1.329e+09 perf-stat.i.branch-instructions
0.64 ? 6% -0.1 0.51 ? 4% perf-stat.i.branch-miss-rate%
6423111 ? 5% +11.5% 7160369 ? 4% perf-stat.i.branch-misses
8.993e+08 +88.1% 1.692e+09 perf-stat.i.cache-references
1929 ? 3% +23.7% 2387 ? 7% perf-stat.i.context-switches
4.74 ? 2% -4.0% 4.55 perf-stat.i.cpi
1.561e+10 +71.7% 2.68e+10 perf-stat.i.cpu-cycles
109.72 +3.3% 113.37 perf-stat.i.cpu-migrations
8.698e+08 +60.6% 1.397e+09 perf-stat.i.dTLB-loads
81416 ? 12% +61.0% 131085 ? 3% perf-stat.i.dTLB-store-misses
4.185e+08 +59.0% 6.656e+08 perf-stat.i.dTLB-stores
43.10 ? 2% +2.5 45.62 ? 4% perf-stat.i.iTLB-load-miss-rate%
3.733e+09 +62.6% 6.07e+09 perf-stat.i.instructions
3225 ? 2% +65.8% 5348 ? 16% perf-stat.i.instructions-per-iTLB-miss
0.26 -4.9% 0.25 perf-stat.i.ipc
0.16 +71.6% 0.28 perf-stat.i.metric.GHz
31.20 +69.6% 52.94 perf-stat.i.metric.M/sec
63.07 ? 5% +5.8 68.91 ? 3% perf-stat.i.node-load-miss-rate%
76.05 ? 5% +11.4 87.42 ? 3% perf-stat.i.node-store-miss-rate%
258838 ? 15% +122.7% 576526 ? 7% perf-stat.i.node-store-misses
241.08 +15.7% 278.91 perf-stat.overall.MPKI
0.79 ? 5% -0.3 0.54 ? 3% perf-stat.overall.branch-miss-rate%
4.18 +5.6% 4.42 perf-stat.overall.cpi
43.13 ? 2% +2.5 45.62 ? 4% perf-stat.overall.iTLB-load-miss-rate%
3222 ? 3% +65.6% 5336 ? 16% perf-stat.overall.instructions-per-iTLB-miss
0.24 -5.3% 0.23 perf-stat.overall.ipc
71.74 ? 7% +14.4 86.10 ? 5% perf-stat.overall.node-store-miss-rate%
7.965e+08 +64.2% 1.308e+09 perf-stat.ps.branch-instructions
6314888 ? 5% +11.2% 7021169 ? 4% perf-stat.ps.branch-misses
8.854e+08 +88.2% 1.666e+09 perf-stat.ps.cache-references
1899 ? 3% +23.7% 2349 ? 7% perf-stat.ps.context-switches
1.537e+10 +71.7% 2.639e+10 perf-stat.ps.cpu-cycles
108.06 +3.3% 111.66 perf-stat.ps.cpu-migrations
8.559e+08 +60.7% 1.375e+09 perf-stat.ps.dTLB-loads
80121 ? 12% +61.0% 129023 ? 3% perf-stat.ps.dTLB-store-misses
4.119e+08 +59.1% 6.551e+08 perf-stat.ps.dTLB-stores
3.673e+09 +62.7% 5.974e+09 perf-stat.ps.instructions
254887 ? 15% +122.6% 567461 ? 7% perf-stat.ps.node-store-misses
2.355e+11 +62.3% 3.823e+11 perf-stat.total.instructions
40.65 ? 13% -8.6 32.08 ? 14% perf-profile.calltrace.cycles-pp.secondary_startup_64_no_verify
3.27 ? 17% -0.9 2.38 ? 6% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle
2.90 ? 15% -0.7 2.15 ? 4% perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call
1.05 ? 25% -0.5 0.52 ? 71% perf-profile.calltrace.cycles-pp.tick_nohz_get_sleep_length.menu_select.cpuidle_idle_call.do_idle.cpu_startup_entry
1.99 ? 14% -0.5 1.51 ? 6% perf-profile.calltrace.cycles-pp.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter
1.98 ? 14% -0.5 1.49 ? 6% perf-profile.calltrace.cycles-pp.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state
0.61 ? 8% +0.1 0.74 ? 8% perf-profile.calltrace.cycles-pp.try_to_migrate.__unmap_and_move.unmap_and_move.migrate_pages.move_pages_and_store_status
0.60 ? 9% +0.1 0.73 ? 8% perf-profile.calltrace.cycles-pp.rmap_walk_anon.try_to_migrate.__unmap_and_move.unmap_and_move.migrate_pages
0.45 ? 51% +0.2 0.63 ? 5% perf-profile.calltrace.cycles-pp.walk_page_range.migrate_to_node.do_migrate_pages.kernel_migrate_pages.__x64_sys_migrate_pages
0.72 ? 12% +0.3 0.97 ? 7% perf-profile.calltrace.cycles-pp.migrate_to_node.do_migrate_pages.kernel_migrate_pages.__x64_sys_migrate_pages.do_syscall_64
1.80 ? 9% +0.4 2.23 ? 7% perf-profile.calltrace.cycles-pp.__x64_sys_migrate_pages.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall.stress_run
1.80 ? 9% +0.4 2.23 ? 7% perf-profile.calltrace.cycles-pp.kernel_migrate_pages.__x64_sys_migrate_pages.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
1.79 ? 9% +0.4 2.23 ? 7% perf-profile.calltrace.cycles-pp.do_migrate_pages.kernel_migrate_pages.__x64_sys_migrate_pages.do_syscall_64.entry_SYSCALL_64_after_hwframe
53.09 ? 9% +7.4 60.48 ? 6% perf-profile.calltrace.cycles-pp.copy_page.folio_copy.migrate_page.move_to_new_folio.__unmap_and_move
54.07 ? 9% +7.5 61.61 ? 6% perf-profile.calltrace.cycles-pp.folio_copy.migrate_page.move_to_new_folio.__unmap_and_move.unmap_and_move
54.47 ? 9% +7.6 62.12 ? 6% perf-profile.calltrace.cycles-pp.move_to_new_folio.__unmap_and_move.unmap_and_move.migrate_pages.move_pages_and_store_status
54.46 ? 9% +7.7 62.11 ? 6% perf-profile.calltrace.cycles-pp.migrate_page.move_to_new_folio.__unmap_and_move.unmap_and_move.migrate_pages
55.65 ? 9% +7.9 63.55 ? 6% perf-profile.calltrace.cycles-pp.__unmap_and_move.unmap_and_move.migrate_pages.move_pages_and_store_status.do_pages_move
56.85 ? 9% +8.1 64.95 ? 6% perf-profile.calltrace.cycles-pp.migrate_pages.move_pages_and_store_status.do_pages_move.kernel_move_pages.__x64_sys_move_pages
56.84 ? 9% +8.1 64.94 ? 6% perf-profile.calltrace.cycles-pp.unmap_and_move.migrate_pages.move_pages_and_store_status.do_pages_move.kernel_move_pages
56.89 ? 9% +8.1 65.01 ? 6% perf-profile.calltrace.cycles-pp.move_pages_and_store_status.do_pages_move.kernel_move_pages.__x64_sys_move_pages.do_syscall_64
57.18 ? 9% +8.2 65.37 ? 6% perf-profile.calltrace.cycles-pp.__x64_sys_move_pages.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall.stress_run
57.18 ? 9% +8.2 65.37 ? 6% perf-profile.calltrace.cycles-pp.kernel_move_pages.__x64_sys_move_pages.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
57.17 ? 9% +8.2 65.37 ? 6% perf-profile.calltrace.cycles-pp.do_pages_move.kernel_move_pages.__x64_sys_move_pages.do_syscall_64.entry_SYSCALL_64_after_hwframe
58.98 ? 9% +8.6 67.61 ? 6% perf-profile.calltrace.cycles-pp.syscall.stress_run
58.99 ? 9% +8.6 67.62 ? 6% perf-profile.calltrace.cycles-pp.stress_run
58.98 ? 9% +8.6 67.61 ? 6% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.syscall.stress_run
58.98 ? 9% +8.6 67.61 ? 6% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall.stress_run
40.65 ? 13% -8.6 32.08 ? 14% perf-profile.children.cycles-pp.do_idle
40.65 ? 13% -8.6 32.08 ? 14% perf-profile.children.cycles-pp.secondary_startup_64_no_verify
40.65 ? 13% -8.6 32.08 ? 14% perf-profile.children.cycles-pp.cpu_startup_entry
40.42 ? 14% -8.5 31.95 ? 14% perf-profile.children.cycles-pp.cpuidle_idle_call
38.80 ? 15% -7.8 31.00 ? 15% perf-profile.children.cycles-pp.cpuidle_enter
38.79 ? 15% -7.8 30.99 ? 15% perf-profile.children.cycles-pp.cpuidle_enter_state
5.77 ? 60% -2.6 3.20 ? 9% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
3.76 ? 15% -0.9 2.86 ? 9% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
1.46 ? 25% -0.6 0.89 ? 20% perf-profile.children.cycles-pp.menu_select
1.06 ? 25% -0.4 0.67 ? 22% perf-profile.children.cycles-pp.tick_nohz_get_sleep_length
0.98 ? 26% -0.4 0.63 ? 23% perf-profile.children.cycles-pp.tick_nohz_next_event
0.52 ? 13% -0.2 0.33 ? 14% perf-profile.children.cycles-pp.__irq_exit_rcu
0.43 ? 12% -0.2 0.27 ? 18% perf-profile.children.cycles-pp.__softirqentry_text_start
0.23 ? 18% -0.1 0.14 ? 15% perf-profile.children.cycles-pp.lapic_next_deadline
0.24 ? 18% -0.1 0.15 ? 19% perf-profile.children.cycles-pp.rebalance_domains
0.22 ? 21% -0.1 0.14 ? 17% perf-profile.children.cycles-pp.native_irq_return_iret
0.17 ? 14% -0.1 0.10 ? 31% perf-profile.children.cycles-pp.calc_global_load_tick
0.17 ? 14% -0.1 0.10 ? 22% perf-profile.children.cycles-pp.sched_clock_cpu
0.15 ? 17% -0.1 0.08 ? 47% perf-profile.children.cycles-pp.native_sched_clock
0.16 ? 24% -0.1 0.09 ? 29% perf-profile.children.cycles-pp.arch_cpu_idle_enter
0.16 ? 24% -0.1 0.09 ? 29% perf-profile.children.cycles-pp.tsc_verify_tsc_adjust
0.14 ? 13% -0.1 0.08 ? 17% perf-profile.children.cycles-pp.irqtime_account_irq
0.15 ? 14% -0.1 0.09 ? 13% perf-profile.children.cycles-pp.read_tsc
0.09 ? 14% -0.0 0.06 ? 13% perf-profile.children.cycles-pp.update_rq_clock
0.05 ? 50% +0.0 0.08 ? 11% perf-profile.children.cycles-pp.mod_node_page_state
0.11 ? 18% +0.0 0.15 ? 10% perf-profile.children.cycles-pp.__mod_lruvec_page_state
0.07 ? 28% +0.0 0.11 ? 12% perf-profile.children.cycles-pp.folio_isolate_lru
0.05 ? 55% +0.0 0.10 ? 7% perf-profile.children.cycles-pp.page_remove_rmap
0.10 ? 12% +0.1 0.15 ? 11% perf-profile.children.cycles-pp.page_vma_mapped_walk
0.13 ? 19% +0.1 0.18 ? 6% perf-profile.children.cycles-pp.folio_migrate_flags
0.01 ?200% +0.1 0.06 ? 7% perf-profile.children.cycles-pp.page_remove_anon_compound_rmap
0.01 ?200% +0.1 0.07 ? 10% perf-profile.children.cycles-pp.flush_tlb_func
0.12 ? 12% +0.1 0.18 ? 9% perf-profile.children.cycles-pp.set_pmd_migration_entry
0.14 ? 17% +0.1 0.20 ? 11% perf-profile.children.cycles-pp.__mod_node_page_state
0.14 ? 19% +0.1 0.21 ? 11% perf-profile.children.cycles-pp.__mod_lruvec_state
0.22 ? 14% +0.1 0.29 ? 7% perf-profile.children.cycles-pp.__pagevec_lru_add
0.37 ? 5% +0.1 0.44 ? 7% perf-profile.children.cycles-pp.__cond_resched
0.23 ? 14% +0.1 0.30 ? 7% perf-profile.children.cycles-pp.folio_add_lru
0.21 ? 14% +0.1 0.28 ? 6% perf-profile.children.cycles-pp.add_page_for_migration
0.01 ?200% +0.1 0.10 ? 14% perf-profile.children.cycles-pp.asm_sysvec_call_function_single
0.49 ? 6% +0.1 0.58 ? 9% perf-profile.children.cycles-pp.bitmap_bitremap
0.53 ? 13% +0.1 0.63 ? 5% perf-profile.children.cycles-pp.walk_page_range
0.02 ?123% +0.1 0.13 ? 13% perf-profile.children.cycles-pp.smp_call_function_many_cond
0.02 ?123% +0.1 0.13 ? 13% perf-profile.children.cycles-pp.on_each_cpu_cond_mask
0.10 ? 10% +0.1 0.20 ? 10% perf-profile.children.cycles-pp.flush_tlb_mm_range
0.03 ? 82% +0.1 0.14 ? 10% perf-profile.children.cycles-pp.ptep_clear_flush
0.14 ? 16% +0.2 0.30 ? 12% perf-profile.children.cycles-pp.rmap_walk_file
0.26 ? 14% +0.2 0.45 ? 9% perf-profile.children.cycles-pp.try_to_migrate_one
0.72 ? 12% +0.3 0.98 ? 7% perf-profile.children.cycles-pp.migrate_to_node
0.72 ? 7% +0.3 0.98 ? 8% perf-profile.children.cycles-pp.try_to_migrate
1.80 ? 9% +0.4 2.23 ? 7% perf-profile.children.cycles-pp.__x64_sys_migrate_pages
1.80 ? 9% +0.4 2.23 ? 7% perf-profile.children.cycles-pp.kernel_migrate_pages
1.80 ? 9% +0.4 2.23 ? 7% perf-profile.children.cycles-pp.do_migrate_pages
53.23 ? 9% +7.4 60.66 ? 6% perf-profile.children.cycles-pp.copy_page
54.26 ? 9% +7.6 61.83 ? 6% perf-profile.children.cycles-pp.folio_copy
54.48 ? 9% +7.7 62.13 ? 6% perf-profile.children.cycles-pp.migrate_page
54.48 ? 9% +7.7 62.14 ? 6% perf-profile.children.cycles-pp.move_to_new_folio
55.82 ? 9% +8.1 63.89 ? 6% perf-profile.children.cycles-pp.__unmap_and_move
56.89 ? 9% +8.1 65.01 ? 6% perf-profile.children.cycles-pp.move_pages_and_store_status
57.18 ? 9% +8.2 65.37 ? 6% perf-profile.children.cycles-pp.do_pages_move
57.18 ? 9% +8.2 65.37 ? 6% perf-profile.children.cycles-pp.__x64_sys_move_pages
57.18 ? 9% +8.2 65.37 ? 6% perf-profile.children.cycles-pp.kernel_move_pages
57.01 ? 9% +8.3 65.28 ? 6% perf-profile.children.cycles-pp.unmap_and_move
57.03 ? 9% +8.3 65.30 ? 6% perf-profile.children.cycles-pp.migrate_pages
59.14 ? 9% +8.6 67.72 ? 6% perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
59.14 ? 9% +8.6 67.72 ? 6% perf-profile.children.cycles-pp.do_syscall_64
58.98 ? 9% +8.6 67.61 ? 6% perf-profile.children.cycles-pp.syscall
58.99 ? 9% +8.6 67.62 ? 6% perf-profile.children.cycles-pp.stress_run
0.23 ? 18% -0.1 0.14 ? 15% perf-profile.self.cycles-pp.lapic_next_deadline
0.22 ? 21% -0.1 0.14 ? 17% perf-profile.self.cycles-pp.native_irq_return_iret
0.17 ? 13% -0.1 0.10 ? 31% perf-profile.self.cycles-pp.calc_global_load_tick
0.16 ? 24% -0.1 0.09 ? 29% perf-profile.self.cycles-pp.tsc_verify_tsc_adjust
0.14 ? 16% -0.1 0.08 ? 47% perf-profile.self.cycles-pp.native_sched_clock
0.15 ? 15% -0.1 0.09 ? 14% perf-profile.self.cycles-pp.read_tsc
0.08 ? 20% +0.0 0.12 ? 8% perf-profile.self.cycles-pp.page_vma_mapped_walk
0.10 ? 23% +0.0 0.13 ? 8% perf-profile.self.cycles-pp.folio_migrate_flags
0.05 ? 50% +0.0 0.08 ? 11% perf-profile.self.cycles-pp.mod_node_page_state
0.14 ? 17% +0.1 0.20 ? 11% perf-profile.self.cycles-pp.__mod_node_page_state
0.00 +0.1 0.10 ? 12% perf-profile.self.cycles-pp.smp_call_function_many_cond
Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.
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