hardware None
os_version None


cpu Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
Address sizes: 48 bits physical, 48 bits virtual
CPU(s): 128
On-line CPU(s) list: 0-127
Thread(s) per core: 2
Core(s) per socket: 64
Socket(s): 1
NUMA node(s): 1
Vendor ID: AuthenticAMD
CPU family: 23
Model: 49
Model name: AMD EPYC 7702 64-Core Processor
Stepping: 0
Frequency boost: enabled
CPU MHz: 1500.000
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.68
Virtualization: AMD-V
L1d cache: 2 MiB
L1i cache: 2 MiB
L2 cache: 32 MiB
L3 cache: 256 MiB
NUMA node0 CPU(s): 0-127
Vulnerability Itlb multihit: Not affected
Vulnerability L1tf: Not affected
Vulnerability Mds: Not affected
Vulnerability Meltdown: Not affected
Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp
Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Vulnerability Spectre v2: Mitigation; Full AMD retpoline, IBPB conditional, IBRS_FW, STIBP conditional, RSB filling
Vulnerability Srbds: Not affected
Vulnerability Tsx async abort: Not affected
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate ssbd mba ibrs ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr rdpru wbnoinvd amd_ppin arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca
memory MemTotal: 263695408 kB




as GNU assembler (GNU Binutils; openSUSE Tumbleweed)
Copyright (C) 2020 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License version 3 or later.
This program has absolutely no warranty.
This assembler was configured for a target of `x86_64-suse-linux'.
gcc gcc (GCC) 10.2.1 20200903 a100cf00b1de7976324e6d661907661f340ba3f7
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
git_revision a100cf00b1de7976324e6d661907661f340ba3f7
glibc GNU C Library (GNU libc) stable release version 2.31 (git 0a8262a1b2).
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
Configured for x86_64-suse-linux.
Compiled by GNU CC version 10.1.1 20200625 [revision c91e43e9363bd119a695d64505f96539fa451bf2].
For bug reporting instructions, please see:
glibc_location /lib64/
ld GNU ld (GNU Binutils; openSUSE Tumbleweed)
options None
reason None
uname Linux benzen 5.7.9-1-default #1 SMP Thu Jul 16 09:40:08 UTC 2020 (a010166) x86_64 x86_64 x86_64 GNU/Linux

benzen.gcc-10.O_g test results

Run Order Start Time Duration
Current 1599092220000.a100cf00b1de7976324e6d661907661f340ba3f7 2020-09-03T05:52:11.537972 0:01:36.171544
Previous 1590812319000.6632f2920f08f5b45ffd1ada7006d4591ef9b172 2020-05-30T09:54:31.708717 0:01:35.545547
No Baseline Run

Tests Summary

Status Group #
Performance Regressions 1
Performance Improvements 12
Added Tests 3
Unchanged Tests 272
Total Tests 288

Performance Regressions - mem_bytes Δ Previous Current σ
random/pr39326.c 2.92% 446.45 MB 459.48 MB -

Performance Improvements - compile_time Δ Previous Current σ
random/pr26854-2.c -19.17% 18.878 15.260 -
random/pr36291.cpp -11.10% 23.480 20.873 -
random/pr29433.cpp -6.16% 16.060 15.070 -
random/pr69609.c -6.09% 22.004 20.664 -
random/pr70614.c -5.52% 24.617 23.259 -
random/pr36498.cpp -5.04% 19.969 18.963 -
random/pr39326.c -5.02% 136.836 129.967 -
random/pr12850.cpp -4.83% 48.686 46.336 -
random/pr38518.c -4.67% 4.991 4.758 -
random/pr36439.cpp -4.37% 24.604 23.529 -
random/pr36262.c -3.36% 4.912 4.747 -
random/pr12392.cpp -2.82% 31.227 30.347 -

Added Tests - size

Report Time: 0.08s
Name Current %
random/empty.C 0.026 -
random/empty.c 0.025 -
random/pr12392.cpp 30.347 -2.82%
random/pr12850.cpp 46.336 -4.83%
random/pr26854-2.c 15.260 -19.17%
random/pr26854.c 104.623 -
random/pr28071.c 43.865 -
random/pr29433.cpp 15.070 -6.16%
random/pr36262.c 4.747 -3.36%
random/pr36291.cpp 20.873 -11.10%
random/pr36439.cpp 23.529 -4.37%
random/pr36498.cpp 18.963 -5.04%
random/pr38518.c 4.758 -4.67%
random/pr39326.c 129.967 -5.02%
random/pr69609.c 20.664 -6.09%
random/pr70614.c 23.259 -5.52%
Geometric Mean 10.141 -6.17%