Fields

hardware None
os_version None

Parameters

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: 2000.000
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

Fields

NameValue

Parameters

NameValue
as GNU assembler (GNU Binutils; openSUSE Tumbleweed) 2.34.0.20200325-1
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 20201026 d99b9dea37adfb88de2af121d31eed1c06b174b4
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 PARTICULAR PURPOSE.
git_revision d99b9dea37adfb88de2af121d31eed1c06b174b4
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
PARTICULAR PURPOSE.
Configured for x86_64-suse-linux.
Compiled by GNU CC version 10.1.1 20200625 [revision c91e43e9363bd119a695d64505f96539fa451bf2].
libc ABIs: UNIQUE IFUNC ABSOLUTE
For bug reporting instructions, please see:
<http://bugs.opensuse.org>.
glibc_location /lib64/libc.so.6
ld GNU ld (GNU Binutils; openSUSE Tumbleweed) 2.34.0.20200325-1
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
Filter

benzen.gcc-10.O0_g test results

Run Order Start Time Duration
Current 1603722431000.d99b9dea37adfb88de2af121d31eed1c06b174b4 2020-10-26T20:06:51.334692 0:01:35.408797
Previous 1599092220000.a100cf00b1de7976324e6d661907661f340ba3f7 2020-09-03T05:52:11.537972 0:01:35.766214
Baseline 1590812319000.6632f2920f08f5b45ffd1ada7006d4591ef9b172 2020-05-30T09:54:31.708717 0:01:35.135170


Tests Summary

Status Group # # (B)
Performance Regressions 3 0
Performance Improvements 13 15
Added Tests 3 3
Unchanged Tests 305 306
Total Tests 324

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
tramp3d 2.61% 13.237 13.582 - -4.87% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp 2.70% 336.08 MB 345.15 MB - 0.04% -
random/pr12392.cpp 2.28% 306.01 MB 312.99 MB - 0.03% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c -40.76% 0.304 0.180 - -41.95% -
random/pr39326.c -39.95% 2.052 1.233 - -40.98% -
random/pr36262.c -37.81% 0.935 0.581 - -38.14% -
random/pr38518.c -35.64% 0.934 0.601 - -35.82% -
random/pr36439.cpp -15.62% 5.862 4.947 - -21.79% -
random/pr12392.cpp -15.49% 4.174 3.528 - -20.49% -
random/pr69609.c -13.16% 4.556 3.956 - -22.44% -
random/pr36291.cpp -9.30% 10.711 9.714 - -16.37% -
random/pr12850.cpp -8.49% 12.316 11.271 - -15.17% -
random/pr29433.cpp -6.86% 15.250 14.204 - -12.14% -
random/pr28071.c -6.85% 10.198 9.500 - -8.62% -
random/pr26854-2.c -2.85% 5.161 5.014 - -6.35% -
random/pr60243.c -2.05% 42.095 41.233 - -11.70% -

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr36439.cpp/elf/sections/text

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -41.95% 0.310 0.180 - -40.76% -
random/pr39326.c -40.98% 2.088 1.233 - -39.95% -
random/pr36262.c -38.14% 0.940 0.581 - -37.81% -
random/pr38518.c -35.82% 0.936 0.601 - -35.64% -
random/pr69609.c -22.44% 5.101 3.956 - -13.16% -
random/pr36439.cpp -21.79% 6.325 4.947 - -15.62% -
random/pr12392.cpp -20.49% 4.437 3.528 - -15.49% -
random/pr36291.cpp -16.37% 11.616 9.714 - -9.30% -
random/pr12850.cpp -15.17% 13.286 11.271 - -8.49% -
random/pr29433.cpp -12.14% 16.167 14.204 - -6.86% -
random/pr60243.c -11.70% 46.697 41.233 - -2.05% -
random/pr28071.c -8.62% 10.395 9.500 - -6.85% -
random/pr26854-2.c -6.35% 5.354 5.014 - -2.85% -
tramp3d -4.87% 14.276 13.582 - 2.61% -
random/pr26854.c -3.59% 32.404 31.241 - -1.95% -

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr36439.cpp/elf/sections/text


Report Time: 0.10s
Name Current %
random/empty.C 0.023 -
random/empty.c 0.022 -
random/pr12392.cpp 3.528 -15.49%
random/pr12850.cpp 11.271 -8.49%
random/pr26854-2.c 5.014 -2.85%
random/pr26854.c 31.241 -
random/pr28071.c 9.500 -6.85%
random/pr29433.cpp 14.204 -6.86%
random/pr36262.c 0.581 -37.81%
random/pr36291.cpp 9.714 -9.30%
random/pr36439.cpp 4.947 -15.62%
random/pr38518.c 0.601 -35.64%
random/pr39326.c 1.233 -39.95%
random/pr60243.c 41.233 -2.05%
random/pr69609.c 3.956 -13.16%
random/pr70614.c 0.180 -40.76%
tramp3d 13.582 2.61%
Geometric Mean 2.427 -16.21%