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: 1424.971
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.83
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: 263729312 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 20191108 (experimental) 88f3bee5d1612ffc40689104c817d1c6aba361be
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.
git_revision 88f3bee5d1612ffc40689104c817d1c6aba361be
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.O_g test results

Run Order Start Time Duration
Current 1573176100000.88f3bee5d1612ffc40689104c817d1c6aba361be 2019-11-08T07:29:41.492826 0:01:30.609456
Previous 1573703383000.e613a5b1b41a411bf01f36a82ce28ca94da839f0 2019-11-14T07:30:28.980425 0:01:30.930305
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.339731


Tests Summary

Status Group # # (B)
Performance Regressions 13 1
Performance Improvements 10 5
Added Tests 3 3
Unchanged Tests 262 279
Total Tests 288

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp 39.46% 402.79 MB 561.74 MB - -1.29% -
random/pr36498.cpp 36.16% 376.00 MB 511.97 MB - -0.46% -
random/pr38518.c 31.58% 149.99 MB 197.36 MB - 0.30% -
random/pr36262.c 31.53% 150.04 MB 197.35 MB - 0.31% -
random/pr69609.c 30.29% 405.75 MB 528.66 MB - 0.41% -
random/pr36439.cpp 27.16% 415.99 MB 528.96 MB - -0.27% -
random/pr26854-2.c 23.97% 295.16 MB 365.91 MB - -0.02% -
random/pr12850.cpp 18.12% 842.23 MB 994.82 MB - 0.10% -
random/pr39326.c 17.90% 379.95 MB 447.96 MB - 0.06% -
random/pr70614.c 14.48% 48.14 MB 55.11 MB - -0.28% -
random/pr28071.c 11.69% 836.97 MB 934.82 MB - 0.19% -
random/pr26854.c 6.49% 1.03 GB 1.10 GB - -0.01% -
random/pr12392.cpp 5.61% 667.36 MB 704.82 MB - -0.13% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp -8.31% 57.861 53.053 - -0.47% -
random/pr36498.cpp -7.40% 19.552 18.104 - -5.44% -
random/pr26854.c -5.78% 109.239 102.924 - -4.38% -
random/pr36291.cpp -5.37% 23.111 21.869 - 0.16% -
random/pr36439.cpp -4.97% 24.293 23.085 - -0.13% -
random/pr39326.c -4.66% 134.473 128.203 - -5.55% -
random/pr36262.c -3.73% 5.148 4.956 - 9.71% -
random/pr38518.c -3.57% 5.154 4.970 - 0.93% -
random/pr69609.c -3.53% 30.974 29.881 - -2.93% -
random/pr26854-2.c -3.34% 19.549 18.896 - -0.16% -

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

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c 9.71% 4.517 4.956 - -3.73% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -6.37% 37.526 35.134 - -1.72% -
random/pr39326.c -5.55% 135.733 128.203 - -4.66% -
random/pr36498.cpp -5.44% 19.146 18.104 - -7.40% -
random/pr26854.c -4.38% 107.634 102.924 - -5.78% -
random/pr69609.c -2.93% 30.784 29.881 - -3.53% -

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


Report Time: 0.22s
Name Current %
random/empty.c 16.64 MB -
random/empty.C 17.64 MB -
random/pr12392.cpp 704.82 MB 5.61%
random/pr12850.cpp 994.82 MB 18.12%
random/pr26854-2.c 365.91 MB 23.97%
random/pr26854.c 1.10 GB 6.49%
random/pr28071.c 934.82 MB 11.69%
random/pr29433.cpp 1.92 GB -
random/pr36262.c 197.35 MB 31.53%
random/pr36291.cpp 561.74 MB 39.46%
random/pr36439.cpp 528.96 MB 27.16%
random/pr36498.cpp 511.97 MB 36.16%
random/pr38518.c 197.36 MB 31.58%
random/pr39326.c 447.96 MB 17.90%
random/pr69609.c 528.66 MB 30.29%
random/pr70614.c 55.11 MB 14.48%
Geometric Mean 319.92 MB 17.70%