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: 1500.000
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.68
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: 263695408 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 20191111 (experimental) eddd03e2cfc80059d349a85bb871372b225e928a
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 eddd03e2cfc80059d349a85bb871372b225e928a
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 1573502749000.eddd03e2cfc80059d349a85bb871372b225e928a 2019-11-11T22:52:26.002403 0:01:29.087758
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 3
Performance Improvements 11 8
Added Tests 3 3
Unchanged Tests 261 274
Total Tests 288

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp 39.45% 402.79 MB 561.69 MB - -1.30% -
random/pr36498.cpp 35.69% 376.00 MB 510.21 MB - -0.80% -
random/pr38518.c 31.54% 149.99 MB 197.30 MB - 0.27% -
random/pr36262.c 31.49% 150.04 MB 197.29 MB - 0.27% -
random/pr69609.c 30.16% 405.75 MB 528.11 MB - 0.30% -
random/pr36439.cpp 27.24% 415.99 MB 529.30 MB - -0.21% -
random/pr26854-2.c 23.95% 295.16 MB 365.85 MB - -0.04% -
random/pr12850.cpp 18.06% 842.23 MB 994.34 MB - 0.05% -
random/pr39326.c 17.93% 379.95 MB 448.08 MB - 0.08% -
random/pr70614.c 14.35% 48.14 MB 55.05 MB - -0.39% -
random/pr28071.c 11.72% 836.97 MB 935.07 MB - 0.22% -
random/pr26854.c 6.61% 1.03 GB 1.10 GB - 0.10% -
random/pr12392.cpp 5.68% 667.36 MB 705.25 MB - -0.07% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c -20.11% 19.549 15.617 - -17.49% -
random/pr12850.cpp -11.09% 57.861 51.443 - -3.49% -
random/pr36498.cpp -7.32% 19.552 18.121 - -5.36% -
random/pr26854.c -5.82% 109.239 102.885 - -4.41% -
random/pr36439.cpp -4.99% 24.293 23.082 - -0.15% -
random/pr36262.c -4.86% 5.148 4.897 - 8.42% -
random/pr69609.c -4.43% 30.974 29.602 - -3.84% -
random/pr12392.cpp -3.82% 35.750 34.385 - -8.37% -
random/pr38518.c -3.82% 5.154 4.957 - 0.68% -
random/pr39326.c -2.72% 134.473 130.817 - -3.62% -
random/pr36291.cpp -2.50% 23.111 22.532 - 3.19% -

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 8.42% 4.517 4.897 - -4.86% -
random/pr36291.cpp 3.19% 21.835 22.532 - -2.50% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.c 2.44% 16.49 MB 16.89 MB - 1.19% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr26854-2.c -17.49% 18.927 15.617 - -20.11% -
random/pr12392.cpp -8.37% 37.526 34.385 - -3.82% -
random/pr36498.cpp -5.36% 19.146 18.121 - -7.32% -
random/pr26854.c -4.41% 107.634 102.885 - -5.82% -
random/pr69609.c -3.84% 30.784 29.602 - -4.43% -
random/pr28071.c -3.63% 53.756 51.803 - -1.62% -
random/pr39326.c -3.62% 135.733 130.817 - -2.72% -
random/pr12850.cpp -3.49% 53.302 51.443 - -11.09% -

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


Report Time: 0.11s
Name Current %
random/empty.C 17.77 MB -
random/empty.c 16.89 MB -
random/pr12392.cpp 705.25 MB 5.68%
random/pr12850.cpp 994.34 MB 18.06%
random/pr26854-2.c 365.85 MB 23.95%
random/pr26854.c 1.10 GB 6.61%
random/pr28071.c 935.07 MB 11.72%
random/pr29433.cpp 1.92 GB -
random/pr36262.c 197.29 MB 31.49%
random/pr36291.cpp 561.69 MB 39.45%
random/pr36439.cpp 529.30 MB 27.24%
random/pr36498.cpp 510.21 MB 35.69%
random/pr38518.c 197.30 MB 31.54%
random/pr39326.c 448.08 MB 17.93%
random/pr69609.c 528.11 MB 30.16%
random/pr70614.c 55.05 MB 14.35%
Geometric Mean 320.28 MB 17.83%