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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) 7.5.0
Copyright (C) 2017 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 b2d961e7342b5ba4e57adfa81cb189b738d10901
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-7.O0_g test results

Run Order Start Time Duration
Current 1573717239000.b2d961e7342b5ba4e57adfa81cb189b738d10901 2022-01-31T18:51:24.272005 0:01:15.385098
Previous 1558829764000.b77884604ebf32f6447f7f7a5aa1d7c43f7f9999 2019-05-26T19:25:50.952204 0:01:11.231235
Baseline 1555287370000.a2ae4e5482b03918a1580e42b1bc72e098464c83 2019-04-15T20:22:58.462803 0:01:13.521437

Tests Summary

Status Group # # (B)
Performance Regressions 4 5
Performance Improvements 8 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/pr36291.cpp 12.04% 9.402 10.533 - 14.20% -
tramp3d 5.58% 11.425 12.063 - 9.54% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/empty.c 3.10% 14.88 MB 15.34 MB - 0.87% -
random/pr36439.cpp 2.60% 344.58 MB 353.53 MB - 2.55% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c -4.32% 3.787 3.623 - 0.78% -
random/pr26854.c -4.10% 28.999 27.810 - -0.66% -
random/pr36262.c -3.76% 0.560 0.539 - -8.43% -
random/pr38518.c -3.72% 0.561 0.540 - -8.48% -
random/pr29433.cpp -3.61% 13.519 13.031 - -2.19% -
random/pr36439.cpp -2.39% 4.523 4.415 - -1.85% -

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/pr36291.cpp 14.20% 9.224 10.533 - 12.04% -
tramp3d 9.54% 11.012 12.063 - 5.58% -
random/pr12850.cpp 4.12% 11.063 11.518 - 1.34% -
random/pr12392.cpp 2.03% 3.147 3.211 - 0.10% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp 2.55% 344.74 MB 353.53 MB - 2.60% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -11.70% 0.189 0.167 - -10.58% -
random/pr38518.c -8.48% 0.590 0.540 - -3.72% -
random/pr36262.c -8.43% 0.589 0.539 - -3.76% -
random/pr29433.cpp -2.19% 13.323 13.031 - -3.61% -

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

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