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: 1473.975
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.84
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: 263696144 kB

Fields

NameValue

Parameters

NameValue
as GNU assembler (GNU Binutils; openSUSE Tumbleweed) 2.32.0.20190909-8
Copyright (C) 2019 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) 10.0.0 20200114 (experimental) c478047c0fd71e8bd8e069c729b57a89b75ee004
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 c478047c0fd71e8bd8e069c729b57a89b75ee004
glibc GNU C Library (GNU libc) stable release version 2.30 (git 0a8262a1b2).
Copyright (C) 2019 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 9.2.1 20190903 [gcc-9-branch revision 275330].
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) 2.32.0.20190909-8
options None
reason None
uname Linux benzen 5.3.6-1-default #1 SMP Sun Oct 13 07:19:36 UTC 2019 (519ea7b) x86_64 x86_64 x86_64 GNU/Linux
Filter

benzen.gcc-trunk-honza.O_g test results

Run Order Start Time Duration
Current 1579035419000.c478047c0fd71e8bd8e069c729b57a89b75ee004 2020-01-14T23:29:36.477042 0:01:31.706231
Previous 1576612083000.354f7b6be662b2449a660471866f765efd60c546 2019-12-17T23:33:02.893919 0:01:29.771373
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:31.090919


Tests Summary

Status Group # # (B)
Performance Regressions 3 0
Performance Improvements 4 8
Added Tests 3 3
Unchanged Tests 278 277
Total Tests 288

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c 7.45% 14.559 15.643 - 0.48% -
random/pr70614.c 2.39% 25.138 25.738 - -0.83% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp 3.19% 503.42 MB 519.49 MB - -0.51% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c -8.56% 4.967 4.541 - -7.64% -
random/pr39326.c -6.60% 139.641 130.431 - -1.97% -
random/pr69609.c -6.56% 23.801 22.239 - -0.18% -
random/pr36291.cpp -2.80% 22.537 21.907 - -2.87% -

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/pr28071.c -16.74% 53.426 44.484 - -0.34% -
random/pr12392.cpp -12.37% 36.658 32.125 - 1.15% -
random/pr36262.c -7.64% 4.917 4.541 - -8.56% -
random/pr36498.cpp -6.01% 21.247 19.972 - -0.34% -
random/pr29433.cpp -5.71% 16.944 15.977 - 0.89% -
random/pr12850.cpp -3.84% 49.784 47.874 - -0.66% -
random/pr36291.cpp -2.87% 22.555 21.907 - -2.80% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -12.37% 940.46 MB 824.12 MB - -0.03% -

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


Report Time: 0.07s