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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) 11.0.0 20201217 (experimental) 6f8486523f61bf0aa476dfa4197d1e3b71a0a8f3
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.
git_revision 6f8486523f61bf0aa476dfa4197d1e3b71a0a8f3
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 1608176600000.6f8486523f61bf0aa476dfa4197d1e3b71a0a8f3 2020-12-17T11:48:38.055200 0:01:20.653539
Previous 1608152942000.64a54505ec8249178b9767d1420354f8eb55de50 2020-12-17T01:01:39.636449 0:01:21.112533
Baseline 1543348665000.9b92780c8a3bee3cb13440f477cc2a6aef2ce191 2018-11-27T23:34:44.160312 0:01:14.517768

Tests Summary

Status Group # # (B)
Performance Regressions 0 15
Performance Improvements 6 27
Added Tests 3 3
Unchanged Tests 315 279
Total Tests 324

Run-Over-Run Changes Detail

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c -12.86% 44.784 39.026 - -8.42% -
random/pr36262.c -8.56% 4.362 3.989 - -51.36% -
random/pr39326.c -3.38% 113.139 109.319 - -26.84% -
random/pr38518.c -3.30% 4.126 3.990 - -51.64% -
random/pr70614.c -3.11% 22.296 21.602 - 3180.71% -
random/pr26854.c -2.56% 81.764 79.674 - -9.60% -

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/pr70614.c 3180.71% 0.658 21.602 - -3.11% -
random/pr36439.cpp 11.24% 21.557 23.981 - -0.06% -
random/pr12850.cpp 9.25% 41.041 44.835 - 0.50% -
random/pr36291.cpp 6.32% 20.342 21.626 - -0.20% -
random/pr29433.cpp 4.03% 14.071 14.639 - -0.60% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.C 8.17% 17.35 MB 18.77 MB - -0.56% -
random/pr36291.cpp 6.43% 579.45 MB 616.73 MB - -0.60% -
random/pr70614.c 5.32% 53.61 MB 56.46 MB - 0.42% -
random/empty.c 2.90% 16.46 MB 16.94 MB - 0.05% -
random/pr29433.cpp 2.84% 1.92 GB 1.97 GB - -0.11% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c/elf 22.82% 2.22 MB 2.73 MB - 0.00% -
random/pr28071.c/elf/sections/text 14.59% 563.13 KB 645.28 KB - 0.00% -
random/pr36439.cpp/elf 3.88% 12.25 MB 12.73 MB - 0.01% -
random/pr39326.c/elf/sections/text 3.29% 321.27 KB 331.83 KB - 0.00% -
random/pr26854-2.c/elf/sections/text 2.58% 308.27 KB 316.22 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -51.64% 8.251 3.990 - -3.30% -
random/pr36262.c -51.36% 8.201 3.989 - -8.56% -
random/pr69609.c -48.13% 34.303 17.793 - -0.40% -
random/pr12392.cpp -33.55% 38.041 25.278 - -1.25% -
random/pr39326.c -26.84% 149.415 109.319 - -3.38% -
random/pr26854.c -9.60% 88.133 79.674 - -2.56% -
random/pr28071.c -8.42% 42.616 39.026 - -12.86% -
random/pr26854-2.c -5.82% 13.306 12.531 - -1.32% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -24.70% 928.73 MB 699.30 MB - -0.15% -
random/pr39326.c -18.68% 564.87 MB 459.36 MB - -0.74% -
random/pr36262.c -11.35% 216.10 MB 191.57 MB - -0.58% -
random/pr38518.c -10.79% 215.38 MB 192.14 MB - 0.07% -
random/pr26854.c -7.87% 1.11 GB 1.03 GB - -1.94% -
random/pr26854-2.c -5.64% 380.50 MB 359.02 MB - -0.24% -
random/pr12850.cpp -5.37% 908.82 MB 860.00 MB - -1.00% -
random/pr69609.c -5.11% 529.92 MB 502.84 MB - -0.60% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -56.42% 21.14 MB 9.21 MB - 0.00% -
random/pr12850.cpp/elf/sections/text -18.13% 33.93 KB 27.78 KB - 0.00% -
random/pr12392.cpp/elf/sections/text -10.09% 563.08 KB 506.28 KB - 0.00% -
random/pr29433.cpp/elf -7.69% 1.46 MB 1.35 MB - -0.00% -
random/pr39326.c/elf -5.33% 1.46 MB 1.38 MB - 0.00% -
random/pr36262.c/elf -4.82% 368.81 KB 351.02 KB - 0.00% -
random/pr38518.c/elf -4.81% 368.62 KB 350.91 KB - 0.00% -
random/pr12850.cpp/elf -3.85% 31.23 MB 30.02 MB - 0.05% -
random/pr36262.c/elf/sections/text -3.20% 113.27 KB 109.64 KB - 0.00% -
random/pr38518.c/elf/sections/text -3.20% 113.27 KB 109.64 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: 0.16s