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) 10.2.1 20210302 0babbc4c67b9cfa346a24f62ef3f15566fe5cdf7
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 0babbc4c67b9cfa346a24f62ef3f15566fe5cdf7
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-10.O0_g test results

Run Order Start Time Duration
Current 1614644236000.0babbc4c67b9cfa346a24f62ef3f15566fe5cdf7 2021-03-02T04:19:42.562696 0:01:36.694811
Previous 1609460222000.a2a11f74d181ac1088c7d73f9815dfce19725f80 2021-01-01T05:51:04.897214 0:01:36.511003
Baseline 1590812319000.6632f2920f08f5b45ffd1ada7006d4591ef9b172 2020-05-30T09:54:31.708717 0:01:35.135170


Tests Summary

Status Group # # (B)
Performance Regressions 3 2
Performance Improvements 4 16
Added Tests 3 3
Unchanged Tests 314 303
Total Tests 324

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp 5.36% 497.00 MB 523.63 MB - 5.59% -
random/pr12392.cpp 2.92% 306.07 MB 315.00 MB - 0.67% -
random/pr36439.cpp 2.01% 336.38 MB 343.12 MB - -0.54% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
tramp3d -7.17% 13.587 12.613 - -11.65% -
random/pr36291.cpp -3.83% 10.150 9.762 - -15.96% -
random/pr29433.cpp -2.11% 14.277 13.975 - -13.56% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp -2.89% 508.26 MB 493.57 MB - -2.80% -

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/pr12850.cpp 5.59% 495.90 MB 523.63 MB - 5.36% -
random/empty.c 2.43% 16.75 MB 17.16 MB - 0.92% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -42.77% 0.310 0.177 - -2.02% -
random/pr39326.c -40.98% 2.088 1.232 - 0.22% -
random/pr36262.c -38.27% 0.940 0.580 - -0.44% -
random/pr38518.c -34.95% 0.936 0.609 - 1.49% -
random/pr69609.c -21.80% 5.101 3.989 - -1.39% -
random/pr36439.cpp -20.84% 6.325 5.007 - 1.16% -
random/pr12392.cpp -20.41% 4.437 3.531 - 0.50% -
random/pr36291.cpp -15.96% 11.616 9.762 - -3.83% -
random/pr12850.cpp -14.77% 13.286 11.324 - 0.44% -
random/pr29433.cpp -13.56% 16.167 13.975 - -2.11% -
random/pr60243.c -12.00% 46.697 41.092 - 1.41% -
tramp3d -11.65% 14.276 12.613 - -7.17% -
random/pr28071.c -8.36% 10.395 9.527 - 0.84% -
random/pr26854-2.c -5.76% 5.354 5.045 - 0.26% -
random/pr26854.c -2.83% 32.404 31.486 - -0.39% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp -2.80% 507.82 MB 493.57 MB - -2.89% -

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
Name Current %
random/empty.C 18.36 MB -
random/empty.c 17.16 MB -
random/pr12392.cpp 315.00 MB 2.92%
random/pr12850.cpp 523.63 MB 5.36%
random/pr26854-2.c 254.14 MB -
random/pr26854.c 908.57 MB -
random/pr28071.c 286.47 MB -
random/pr29433.cpp 1.91 GB -
random/pr36262.c 89.97 MB -
random/pr36291.cpp 493.57 MB -2.89%
random/pr36439.cpp 343.12 MB 2.01%
random/pr38518.c 89.92 MB -
random/pr39326.c 154.11 MB -
random/pr60243.c 1.68 GB -
random/pr69609.c 357.32 MB -
random/pr70614.c 41.68 MB -
tramp3d 595.80 MB -
Geometric Mean 235.90 MB -