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: 2000.000
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.O0_g test results

Run Order Start Time Duration
Current 1573502749000.eddd03e2cfc80059d349a85bb871372b225e928a 2019-11-11T22:52:26.002403 0:01:28.668950
Previous 1574043775000.1e9cd853b7ecae82da33bf1f8bb1f0eb3e755164 2019-11-18T07:30:02.011809 0:01:32.008671
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:28.935102


Tests Summary

Status Group # # (B)
Performance Regressions 16 1
Performance Improvements 13 3
Added Tests 3 3
Unchanged Tests 292 317
Total Tests 324

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr60243.c 9.58% 39.038 42.779 - -1.49% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp 42.80% 242.93 MB 346.91 MB - 0.07% -
random/pr60243.c 27.33% 1.32 GB 1.68 GB - 0.27% -
random/pr36291.cpp 25.72% 405.45 MB 509.75 MB - 0.16% -
random/pr36498.cpp 23.42% 263.72 MB 325.48 MB - 0.18% -
random/pr12392.cpp 22.74% 246.62 MB 302.70 MB - 0.25% -
random/pr12850.cpp 19.63% 414.30 MB 495.62 MB - 0.07% -
tramp3d 16.17% 513.05 MB 596.00 MB - 0.09% -
random/pr28071.c 8.46% 278.11 MB 301.63 MB - -0.25% -
random/pr26854-2.c 8.03% 233.64 MB 252.40 MB - -0.03% -
random/pr69609.c 7.66% 337.59 MB 363.45 MB - 0.41% -
random/pr36262.c 6.91% 84.41 MB 90.25 MB - 0.59% -
random/pr38518.c 6.91% 84.41 MB 90.24 MB - 0.58% -
random/pr26854.c 4.31% 869.88 MB 907.40 MB - -0.07% -
random/pr70614.c 3.89% 40.60 MB 42.18 MB - -0.19% -
random/pr39326.c 2.59% 153.17 MB 157.14 MB - -0.54% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp -14.29% 6.864 5.883 - -5.99% -
tramp3d -14.04% 16.493 14.177 - -3.02% -
random/pr36291.cpp -12.81% 13.245 11.548 - 0.07% -
random/pr12392.cpp -11.09% 4.952 4.403 - -0.26% -
random/pr36498.cpp -11.04% 6.460 5.747 - -0.05% -
random/pr12850.cpp -9.70% 14.603 13.187 - -0.11% -
random/pr29433.cpp -4.18% 16.353 15.669 - -0.38% -
random/pr28071.c -3.96% 11.152 10.710 - 0.18% -
random/pr38518.c -3.64% 0.973 0.938 - 0.27% -
random/pr39326.c -3.19% 2.141 2.073 - 0.30% -
random/pr69609.c -3.16% 5.112 4.950 - -5.03% -
random/pr36262.c -3.04% 0.971 0.941 - 0.39% -
random/pr26854.c -2.99% 33.465 32.463 - -0.74% -

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 2.44% 16.47 MB 16.88 MB - -0.35% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp -5.99% 6.258 5.883 - -14.29% -
random/pr69609.c -5.03% 5.212 4.950 - -3.16% -
tramp3d -3.02% 14.619 14.177 - -14.04% -

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 0.028 -
random/empty.c 0.026 -
random/pr12392.cpp 4.403 -11.09%
random/pr12850.cpp 13.187 -9.70%
random/pr26854-2.c 5.349 -
random/pr26854.c 32.463 -2.99%
random/pr28071.c 10.710 -3.96%
random/pr29433.cpp 15.669 -4.18%
random/pr36262.c 0.941 -3.04%
random/pr36291.cpp 11.548 -12.81%
random/pr36439.cpp 5.883 -14.29%
random/pr36498.cpp 5.747 -11.04%
random/pr38518.c 0.938 -3.64%
random/pr39326.c 2.073 -3.19%
random/pr60243.c 42.779 9.58%
random/pr69609.c 4.950 -3.16%
random/pr70614.c 0.308 -
tramp3d 14.177 -14.04%
Geometric Mean 3.129 -5.17%
Name Current %
random/empty.C 17.75 MB -
random/empty.c 16.88 MB -
random/pr12392.cpp 302.70 MB 22.74%
random/pr12850.cpp 495.62 MB 19.63%
random/pr26854-2.c 252.40 MB 8.03%
random/pr26854.c 907.40 MB 4.31%
random/pr28071.c 301.63 MB 8.46%
random/pr29433.cpp 1.91 GB -
random/pr36262.c 90.25 MB 6.91%
random/pr36291.cpp 509.75 MB 25.72%
random/pr36439.cpp 346.91 MB 42.80%
random/pr36498.cpp 325.48 MB 23.42%
random/pr38518.c 90.24 MB 6.91%
random/pr39326.c 157.14 MB 2.59%
random/pr60243.c 1.68 GB 27.33%
random/pr69609.c 363.45 MB 7.66%
random/pr70614.c 42.18 MB 3.89%
tramp3d 596.00 MB 16.17%
Geometric Mean 240.13 MB 12.02%