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) 2.35.1.20201112-1
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) 8.4.1 20210418 9a37e78d854a90c43685ca06870d86e36f8fa4b4
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 9a37e78d854a90c43685ca06870d86e36f8fa4b4
glibc GNU C Library (GNU libc) release release version 2.32 (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 10.2.1 20201202 [revision e563687cf9d3d1278f45aaebd03e0f66531076c9].
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) 2.35.1.20201112-1
options None
reason None
uname Linux benzen 5.10.7-1-default #1 SMP Wed Jan 13 06:08:43 UTC 2021 (1c33a89) x86_64 x86_64 x86_64 GNU/Linux
Filter

benzen.gcc-8.O0_g test results

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


Tests Summary

Status Group # # (B)
Performance Regressions 7 1
Performance Improvements 1 15
Added Tests 3 3
Unchanged Tests 313 305
Total Tests 324

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp 7.12% 9.189 9.843 - -12.69% -
random/pr39326.c 4.57% 1.081 1.130 - -41.46% -
random/pr69609.c 2.19% 3.861 3.946 - -18.92% -
random/pr12850.cpp 2.18% 10.786 11.022 - -15.39% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/empty.C 2.03% 17.34 MB 17.69 MB - 3.31% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/empty.c/elf 12.24% 1.15 KB 1.29 KB - 0.00% -
random/empty.C/elf 11.49% 1.16 KB 1.29 KB - 0.00% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp -2.50% 349.54 MB 340.79 MB - 0.19% -

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/empty.C 3.31% 17.12 MB 17.69 MB - 2.03% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -42.32% 0.303 0.175 - 4.28% -
random/pr39326.c -41.46% 1.930 1.130 - 4.57% -
random/pr36262.c -37.27% 0.909 0.571 - 3.03% -
random/pr38518.c -34.60% 0.909 0.595 - 2.89% -
random/pr36439.cpp -22.19% 6.100 4.746 - 1.92% -
random/pr12392.cpp -19.82% 4.375 3.508 - 0.92% -
random/pr69609.c -18.92% 4.866 3.946 - 2.19% -
random/pr12850.cpp -15.39% 13.027 11.022 - 2.18% -
random/pr36291.cpp -12.69% 11.274 9.843 - 7.12% -
random/pr29433.cpp -9.98% 15.455 13.912 - 1.07% -
random/pr26854-2.c -6.15% 5.292 4.967 - 1.55% -
random/pr28071.c -5.97% 16.210 15.242 - 0.70% -
random/pr60243.c -5.81% 43.958 41.402 - 0.19% -
tramp3d -3.65% 13.862 13.355 - 1.47% -
random/pr26854.c -2.30% 32.221 31.480 - 1.38% -

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


Report Time: 0.24s