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Machine Info

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: 43 bits physical, 48 bits virtual
CPU(s): 12
On-line CPU(s) list: 0-11
Thread(s) per core: 2
Core(s) per socket: 6
Socket(s): 1
NUMA node(s): 1
Vendor ID: AuthenticAMD
CPU family: 23
Model: 1
Model name: AMD Ryzen 5 1600 Six-Core Processor
Stepping: 1
Frequency boost: enabled
CPU MHz: 1550.000
CPU max MHz: 3200.0000
CPU min MHz: 1550.0000
BogoMIPS: 6387.74
Virtualization: AMD-V
L1d cache: 192 KiB
L1i cache: 384 KiB
L2 cache: 3 MiB
L3 cache: 16 MiB
NUMA node0 CPU(s): 0-11
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, STIBP disabled, 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 skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb hw_pstate ssbd vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf xsaveerptr arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif overflow_recov succor smca sme sev
memory MemTotal: 16285268 kB
Run Info

Fields

NameValue

Parameters

NameValue
as GNU assembler (GNU Binutils; openSUSE Tumbleweed) 2.36.1.20210326-4
Copyright (C) 2021 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) 8.5.0
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 eafe83f2f20ef0c1e7703c361ba314b44574523c
glibc GNU C Library (GNU libc) release release version 2.33 (git 9826b03b74).
Copyright (C) 2021 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 11.1.1 20210510 [revision 23855a176609fe8dda6abaf2b21846b4517966eb].
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) 2.36.1.20210326-4
options None
reason None
uname Linux zenith 5.12.9-1-default #1 SMP Thu Jun 3 07:44:58 UTC 2021 (f17eb01) x86_64 x86_64 x86_64 GNU/Linux
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zenith.gcc-8.O0_g test results

Run Order Start Time Duration
Current 1620980543000.eafe83f2f20ef0c1e7703c361ba314b44574523c 2021-10-03T16:38:27.882332 0:01:14.911751
Previous 1618407707000.00a57112527f452bdba5c6e331e0669e70f287de 2021-04-15T03:24:30.865304 0:01:15.334860
Baseline 1552868173000.5d34f779cb13e6fc3c5d8557ac4ce6a9242a7dcc 2019-03-18T11:10:47.717272 0:01:13.487909

Tests Summary

Status Group # # (B)
Performance Regressions 7 5
Performance Improvements 5 6
Added Tests 3 3
Unchanged Tests 363 364
Total Tests 378

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp 14.41% 3.252 3.720 - 6.92% -
random/pr36291.cpp 13.82% 9.770 11.120 - -1.61% -
random/pr39326.c 3.99% 1.158 1.204 - 2.62% -
tramp3d 3.94% 11.567 12.022 - -6.28% -
random/pr12850.cpp 3.29% 11.489 11.867 - -2.25% -
random/pr26854-2.c 2.58% 3.750 3.846 - 3.29% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp 2.66% 339.91 MB 348.95 MB - 2.60% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr69609.c -2.47% 3.220 3.141 - -1.79% -
random/pr36439.cpp -2.22% 4.887 4.779 - -1.40% -
random/pr28071.c -2.09% 15.754 15.424 - 0.30% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/empty.c/elf -10.91% 1.29 KB 1.15 KB - -10.91% -
random/empty.C/elf -10.30% 1.29 KB 1.16 KB - -10.30% -

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

Run-Over-Baseline Changes Detail

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp 6.92% 3.479 3.720 - 14.41% -
random/pr26854-2.c 3.29% 3.724 3.846 - 2.58% -
random/pr39326.c 2.62% 1.174 1.204 - 3.99% -
random/pr60243.c 2.04% 58.664 59.863 - 0.53% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp 2.60% 340.09 MB 348.95 MB - 2.66% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
tramp3d -6.28% 12.828 12.022 - 3.94% -
random/pr38518.c -3.86% 0.577 0.554 - -1.12% -
random/pr29433.cpp -3.51% 13.980 13.489 - -1.48% -
random/pr12850.cpp -2.25% 12.140 11.867 - 3.29% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/empty.c/elf -10.91% 1.29 KB 1.15 KB - -10.91% -
random/empty.C/elf -10.30% 1.29 KB 1.16 KB - -10.30% -

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