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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) 2.34.0.20200325-1
Copyright (C) 2020 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) 12.0.0 20210519 (experimental) dc6758f03effbf7d6946d8c314576c7a6c0003af
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.
git_revision dc6758f03effbf7d6946d8c314576c7a6c0003af
glibc GNU C Library (GNU libc) stable release version 2.31 (git 0a8262a1b2).
Copyright (C) 2020 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 10.1.1 20200625 [revision c91e43e9363bd119a695d64505f96539fa451bf2].
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) 2.34.0.20200325-1
options None
reason None
uname Linux zenith 5.7.9-1-default #1 SMP Thu Jul 16 09:40:08 UTC 2020 (a010166) x86_64 x86_64 x86_64 GNU/Linux
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zenith.gcc-trunk.O_g test results

Run Order Start Time Duration
Current 1621455733000.dc6758f03effbf7d6946d8c314576c7a6c0003af 2021-05-20T02:04:36.594076 0:01:20.452434
Previous 1621012907000.0e3702f8daeec5897982d185650b78a5c1c53c25 2021-05-14T21:39:44.621983 0:01:21.399437
Baseline 1543348665000.9b92780c8a3bee3cb13440f477cc2a6aef2ce191 2018-11-27T23:34:44.160312 0:01:14.517768

Tests Summary

Status Group # # (B)
Performance Regressions 2 11
Performance Improvements 3 26
Added Tests 3 3
Unchanged Tests 316 284
Total Tests 324

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr29433.cpp 3.02% 14.333 14.765 - 4.93% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr26854.c 2.68% 1.01 GB 1.04 GB - -6.49% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr38518.c -5.10% 4.387 4.163 - -49.54% -
random/pr26854.c -4.20% 86.314 82.690 - -6.18% -
random/pr26854-2.c -3.09% 13.211 12.802 - -3.79% -

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/pr36439.cpp 14.03% 21.557 24.580 - 0.84% -
random/pr12850.cpp 11.71% 41.041 45.846 - -0.60% -
random/pr36291.cpp 9.10% 20.342 22.193 - 0.53% -
random/pr29433.cpp 4.93% 14.071 14.765 - 3.02% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.C 9.03% 17.35 MB 18.92 MB - 0.33% -
random/pr36291.cpp 5.32% 579.45 MB 610.30 MB - 0.04% -
random/pr70614.c 3.22% 53.61 MB 55.34 MB - 0.54% -
random/pr29433.cpp 2.98% 1.92 GB 1.98 GB - 0.01% -
random/empty.c 2.56% 16.46 MB 16.88 MB - -1.12% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c/elf 22.58% 2.22 MB 2.72 MB - 0.00% -
random/pr28071.c/elf/sections/text 14.59% 563.13 KB 645.28 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -49.79% 8.201 4.118 - -0.84% -
random/pr38518.c -49.54% 8.251 4.163 - -5.10% -
random/pr69609.c -46.82% 34.303 18.242 - 0.98% -
random/pr12392.cpp -34.61% 38.041 24.874 - 0.60% -
random/pr28071.c -22.42% 42.616 33.059 - -1.81% -
random/pr26854.c -6.18% 88.133 82.690 - -4.20% -
random/pr26854-2.c -3.79% 13.306 12.802 - -3.09% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -28.17% 928.73 MB 667.14 MB - -0.01% -
random/pr36262.c -11.70% 216.10 MB 190.82 MB - 0.11% -
random/pr38518.c -11.11% 215.38 MB 191.45 MB - -0.44% -
random/pr26854.c -6.49% 1.11 GB 1.04 GB - 2.68% -
random/pr26854-2.c -6.01% 380.50 MB 357.65 MB - 0.18% -
random/pr12850.cpp -5.09% 908.82 MB 862.59 MB - -0.04% -
random/pr69609.c -4.97% 529.92 MB 503.58 MB - 0.39% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -64.19% 21.14 MB 7.57 MB - 0.00% -
random/pr36439.cpp/elf -30.86% 12.25 MB 8.47 MB - -0.01% -
random/pr12850.cpp/elf -26.01% 31.23 MB 23.10 MB - -0.00% -
random/pr36291.cpp/elf -24.09% 12.06 MB 9.16 MB - -0.00% -
random/pr12850.cpp/elf/sections/text -18.21% 33.93 KB 27.75 KB - -0.04% -
random/pr29433.cpp/elf -13.77% 1.46 MB 1.26 MB - 0.00% -
random/pr12392.cpp/elf/sections/text -10.10% 563.08 KB 506.20 KB - -0.00% -
random/pr36262.c/elf -5.48% 368.81 KB 348.61 KB - 0.00% -
random/pr38518.c/elf -5.47% 368.62 KB 348.48 KB - 0.01% -
random/pr36262.c/elf/sections/text -4.17% 113.27 KB 108.56 KB - 0.00% -
random/pr38518.c/elf/sections/text -4.17% 113.27 KB 108.56 KB - 0.00% -
random/pr29433.cpp/elf/sections/text -2.62% 726.00 B 707.00 B - 0.00% -

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

Report Time: 0.21s