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 20200903 a100cf00b1de7976324e6d661907661f340ba3f7
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 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
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 1599092220000.a100cf00b1de7976324e6d661907661f340ba3f7 2020-09-03T05:52:11.537972 0:01:35.766214
Previous 1603722431000.d99b9dea37adfb88de2af121d31eed1c06b174b4 2020-10-26T20:06:51.334692 0:01:35.408797
Baseline 1590812319000.6632f2920f08f5b45ffd1ada7006d4591ef9b172 2020-05-30T09:54:31.708717 0:01:35.135170


Tests Summary

Status Group # # (B)
Performance Regressions 13 0
Performance Improvements 3 12
Added Tests 7 3
Unchanged Tests 301 309
Total Tests 324

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c 68.80% 0.180 0.304 - -2.01% -
random/pr39326.c 66.52% 1.233 2.052 - -1.72% -
random/pr36262.c 60.79% 0.581 0.935 - -0.53% -
random/pr38518.c 55.37% 0.601 0.934 - -0.27% -
random/pr36439.cpp 18.51% 4.947 5.862 - -7.32% -
random/pr12392.cpp 18.33% 3.528 4.174 - -5.91% -
random/pr69609.c 15.16% 3.956 4.556 - -10.68% -
random/pr36291.cpp 10.26% 9.714 10.711 - -7.79% -
random/pr12850.cpp 9.28% 11.271 12.316 - -7.30% -
random/pr29433.cpp 7.37% 14.204 15.250 - -5.67% -
random/pr28071.c 7.35% 9.500 10.198 - -1.90% -
random/pr26854-2.c 2.94% 5.014 5.161 - -3.60% -
random/pr60243.c 2.09% 41.233 42.095 - -9.86% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
tramp3d -2.54% 13.582 13.237 - -7.28% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp -2.63% 345.15 MB 336.08 MB - -2.59% -
random/pr12392.cpp -2.23% 312.99 MB 306.01 MB - -2.20% -

Added Tests - compile_time
random/pr36498.cpp

Added Tests - mem_bytes
random/pr36498.cpp

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr36439.cpp/elf/sections/text
random/pr36498.cpp/elf
random/pr36498.cpp/elf/sections/text

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr69609.c -10.68% 5.101 4.556 - 15.16% -
random/pr60243.c -9.86% 46.697 42.095 - 2.09% -
random/pr36291.cpp -7.79% 11.616 10.711 - 10.26% -
random/pr36439.cpp -7.32% 6.325 5.862 - 18.51% -
random/pr12850.cpp -7.30% 13.286 12.316 - 9.28% -
tramp3d -7.28% 14.276 13.237 - -2.54% -
random/pr36498.cpp -7.08% 5.794 5.384 - 0.00% -
random/pr12392.cpp -5.91% 4.437 4.174 - 18.33% -
random/pr29433.cpp -5.67% 16.167 15.250 - 7.37% -
random/pr26854-2.c -3.60% 5.354 5.161 - 2.94% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp -2.59% 345.00 MB 336.08 MB - -2.63% -
random/pr12392.cpp -2.20% 312.91 MB 306.01 MB - -2.23% -

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


Report Time: 0.09s