Fields

hardware None
os_version None

Parameters

cpu Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Address sizes: 48 bits physical, 48 bits virtual
Byte Order: Little Endian
CPU(s): 128
On-line CPU(s) list: 0-127
Vendor ID: AuthenticAMD
Model name: AMD EPYC 7702 64-Core Processor
CPU family: 23
Model: 49
Thread(s) per core: 2
Core(s) per socket: 64
Socket(s): 1
Stepping: 0
Frequency boost: enabled
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.40
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 rapl 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 v_spec_ctrl umip rdpid overflow_recov succor smca
Virtualization: AMD-V
L1d cache: 2 MiB (64 instances)
L1i cache: 2 MiB (64 instances)
L2 cache: 32 MiB (64 instances)
L3 cache: 256 MiB (16 instances)
NUMA node(s): 1
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
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
memory MemTotal: 263689112 kB

Fields

NameValue

Parameters

NameValue
as GNU assembler (GNU Binutils; openSUSE Tumbleweed) 2.37.20211112-3
Copyright (C) 2021 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) 8.5.0
Copyright (C) 2018 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 eafe83f2f20ef0c1e7703c361ba314b44574523c
glibc GNU C Library (GNU libc) stable release version 2.35 (git f94f6d8a35).
Copyright (C) 2022 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 11.2.1 20220103 [revision d4a1d3c4b377f1d4acb34fe1b55b5088a3f293f6].
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) 2.37.20211112-3
options None
reason None
uname Linux benzen 5.16.10-1-default #1 SMP PREEMPT Thu Feb 17 05:36:42 UTC 2022 (fc3f7ab) x86_64 x86_64 x86_64 GNU/Linux
Filter

benzen.gcc-8.O0_g test results

Run Order Start Time Duration
Current 1620980543000.eafe83f2f20ef0c1e7703c361ba314b44574523c 2022-06-14T02:48:21.977644 0:01:30.159824
Previous 1618705079000.9a37e78d854a90c43685ca06870d86e36f8fa4b4 2021-04-19T02:14:22.396206 0:01:28.229419
Baseline 1578183366000.7daeb907afcd409b116b388a2c2cfba005f5623c 2020-01-05T03:02:54.069530 0:01:25.222009


Tests Summary

Status Group # # (B)
Performance Regressions 1 1
Performance Improvements 6 17
Added Tests 3 3
Unchanged Tests 314 303
Total Tests 324

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp 2.57% 340.79 MB 349.54 MB - 2.77% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp -6.64% 9.843 9.189 - -18.49% -
random/pr39326.c -4.37% 1.130 1.081 - -44.02% -
random/pr69609.c -2.14% 3.946 3.861 - -20.65% -
random/pr12850.cpp -2.14% 11.022 10.786 - -17.20% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/empty.c/elf -10.91% 1.29 KB 1.15 KB - -10.91% -
random/empty.C/elf -10.30% 1.29 KB 1.16 KB - -10.30% -

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

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp 2.77% 340.13 MB 349.54 MB - 2.57% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -44.69% 0.303 0.168 - -4.10% -
random/pr39326.c -44.02% 1.930 1.081 - -4.37% -
random/pr36262.c -39.12% 0.909 0.554 - -2.94% -
random/pr38518.c -36.44% 0.909 0.578 - -2.81% -
random/pr36439.cpp -23.66% 6.100 4.657 - -1.89% -
random/pr69609.c -20.65% 4.866 3.861 - -2.14% -
random/pr12392.cpp -20.55% 4.375 3.476 - -0.91% -
random/pr36291.cpp -18.49% 11.274 9.189 - -6.64% -
random/pr12850.cpp -17.20% 13.027 10.786 - -2.14% -
random/pr29433.cpp -10.94% 15.455 13.764 - -1.06% -
random/pr26854-2.c -7.58% 5.292 4.891 - -1.53% -
random/pr28071.c -6.63% 16.210 15.136 - -0.70% -
random/pr60243.c -5.99% 43.958 41.325 - -0.19% -
tramp3d -5.05% 13.862 13.162 - -1.45% -
random/pr26854.c -3.63% 32.221 31.053 - -1.36% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/empty.c/elf -10.91% 1.29 KB 1.15 KB - -10.91% -
random/empty.C/elf -10.30% 1.29 KB 1.16 KB - -10.30% -

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


Report Time: 0.16s