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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) 2.31
Copyright (C) 2018 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) 9.0.0 20190120 (experimental) 915df3d8dbfab3c1b1cac60e6ff989aadc7fccdc
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 915df3d8dbfab3c1b1cac60e6ff989aadc7fccdc
glibc GNU C Library (GNU libc) stable release version 2.27 (git 3260f6ce87b7).
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.
Configured for x86_64-suse-linux.
Compiled by GNU CC version 8.1.1 20180614 [gcc-8-branch revision 261584].
libc ABIs: UNIQUE IFUNC
For bug reporting instructions, please see:
<http://bugs.opensuse.org>.
glibc_location /lib64/libc.so.6
ld GNU ld (GNU Binutils; openSUSE Tumbleweed) 2.31
options None
reason None
uname Linux zenith 4.18.7-1-default #1 SMP PREEMPT Sun Sep 9 10:26:20 UTC 2018 (952d850) 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 1548015422000.915df3d8dbfab3c1b1cac60e6ff989aadc7fccdc 2019-01-21T01:39:16.408129 0:01:11.069972
Previous 1546649850000.dd1ab8da67d921373ff2b018287d170e826a9e15 2019-01-05T10:31:34.228337 0:01:11.232680
Baseline 1543348665000.9b92780c8a3bee3cb13440f477cc2a6aef2ce191 2018-11-27T23:34:44.160312 0:01:14.517768

Tests Summary

Status Group # # (B)
Performance Regressions 16 15
Performance Improvements 4 12
Added Tests 3 3
Unchanged Tests 301 294
Total Tests 324

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp 26.60% 13.952 17.663 - 27.07% -
random/pr12850.cpp 17.54% 41.119 48.332 - 17.77% -
random/pr28071.c 16.33% 42.538 49.485 - 16.12% -
random/pr36439.cpp 14.17% 21.838 24.932 - 15.66% -
random/pr12392.cpp 10.02% 38.146 41.967 - 10.32% -
random/pr26854.c 4.91% 84.692 88.853 - 0.82% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c 19.34% 799.66 MB 954.30 MB - 18.70% -
random/pr12392.cpp 4.80% 928.40 MB 972.95 MB - 4.76% -
random/pr36498.cpp 2.77% 474.42 MB 487.59 MB - 3.04% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp/elf 25.09% 13.77 MB 17.23 MB - 25.07% -
random/pr28071.c/elf 23.54% 2.22 MB 2.75 MB - 23.61% -
random/pr12392.cpp/elf/sections/text 16.63% 543.82 KB 634.25 KB - 12.64% -
random/pr36439.cpp/elf 15.87% 12.26 MB 14.21 MB - 15.98% -
random/pr28071.c/elf/sections/text 15.22% 564.34 KB 650.21 KB - 15.46% -
random/pr36498.cpp/elf/sections/text 15.06% 398.87 KB 458.95 KB - 15.02% -
random/pr12850.cpp/elf 10.85% 31.22 MB 34.61 MB - 10.84% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr60243.c -4.26% 201.434 192.851 - 1.33% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp -4.67% 522.15 MB 497.77 MB - -3.70% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp/elf -20.37% 21.12 MB 16.82 MB - -20.44% -
random/pr12850.cpp/elf/sections/text -12.57% 33.95 KB 29.69 KB - -12.50% -

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/pr36498.cpp 27.07% 13.901 17.663 - 26.60% -
random/pr12850.cpp 17.77% 41.041 48.332 - 17.54% -
random/pr28071.c 16.12% 42.616 49.485 - 16.33% -
random/pr36439.cpp 15.66% 21.557 24.932 - 14.17% -
random/pr12392.cpp 10.32% 38.041 41.967 - 10.02% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c 18.70% 803.98 MB 954.30 MB - 19.34% -
random/pr12392.cpp 4.76% 928.73 MB 972.95 MB - 4.80% -
random/pr36498.cpp 3.04% 473.20 MB 487.59 MB - 2.77% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf 25.07% 13.78 MB 17.23 MB - 25.09% -
random/pr28071.c/elf 23.61% 2.22 MB 2.75 MB - 23.54% -
random/pr36439.cpp/elf 15.98% 12.25 MB 14.21 MB - 15.87% -
random/pr28071.c/elf/sections/text 15.46% 563.13 KB 650.21 KB - 15.22% -
random/pr36498.cpp/elf/sections/text 15.02% 399.02 KB 458.95 KB - 15.06% -
random/pr12392.cpp/elf/sections/text 12.64% 563.08 KB 634.25 KB - 16.63% -
random/pr12850.cpp/elf 10.84% 31.23 MB 34.61 MB - 10.85% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -5.13% 8.251 7.827 - 0.00% -
random/pr36262.c -4.18% 8.201 7.858 - 0.49% -
random/pr39326.c -2.65% 149.415 145.450 - 0.63% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp -3.70% 516.88 MB 497.77 MB - -4.67% -
random/pr36262.c -3.49% 216.10 MB 208.56 MB - 0.18% -
random/pr38518.c -2.99% 215.38 MB 208.95 MB - 0.36% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -20.44% 21.14 MB 16.82 MB - -20.37% -
random/pr12850.cpp/elf/sections/text -12.50% 33.93 KB 29.69 KB - -12.57% -
random/pr36262.c/elf/sections/text -4.83% 113.27 KB 107.80 KB - 0.00% -
random/pr38518.c/elf/sections/text -4.83% 113.27 KB 107.80 KB - 0.00% -
random/pr36262.c/elf -2.28% 368.81 KB 360.41 KB - 0.00% -
random/pr38518.c/elf -2.27% 368.62 KB 360.24 KB - 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: 0.14s
size (bytes)
Name Current %
random/empty.C/elf 1.32 KB -
random/empty.C/elf/sections/text 0.00 B -
random/empty.c/elf 1.31 KB -
random/empty.c/elf/sections/text 0.00 B -
random/pr12392.cpp/elf 16.82 MB -20.37%
random/pr12392.cpp/elf/sections/text 634.25 KB 16.63%
random/pr12850.cpp/elf 34.61 MB 10.85%
random/pr12850.cpp/elf/sections/text 29.69 KB -12.57%
random/pr26854-2.c/elf 1.59 MB -
random/pr26854-2.c/elf/sections/text 307.70 KB -
random/pr26854.c/elf 4.26 MB -
random/pr26854.c/elf/sections/text 1.12 MB -
random/pr28071.c/elf 2.75 MB 23.54%
random/pr28071.c/elf/sections/text 650.21 KB 15.22%
random/pr29433.cpp/elf 1.46 MB -
random/pr29433.cpp/elf/sections/text 726.00 B -
random/pr36262.c/elf 360.41 KB -
random/pr36262.c/elf/sections/text 107.80 KB -
random/pr36291.cpp/elf 12.05 MB -
random/pr36291.cpp/elf/sections/text 786.08 KB -
random/pr36439.cpp/elf 14.21 MB 15.87%
random/pr36439.cpp/elf/sections/text 0.00 B -
random/pr36498.cpp/elf 17.23 MB 25.09%
random/pr36498.cpp/elf/sections/text 458.95 KB 15.06%
random/pr37448.c/elf 14.43 MB -
random/pr37448.c/elf/sections/text 1.94 MB -
random/pr38518.c/elf 360.24 KB -
random/pr38518.c/elf/sections/text 107.80 KB -
random/pr39326.c/elf 1.46 MB -
random/pr39326.c/elf/sections/text 321.21 KB -
random/pr60243.c/elf 17.54 MB -
random/pr60243.c/elf/sections/text 3.33 MB -
random/pr69609.c/elf 1.56 MB -
random/pr69609.c/elf/sections/text 404.98 KB -
random/pr70614.c/elf 128.96 KB -
random/pr70614.c/elf/sections/text 25.03 KB -
Geometric Mean 96.54 KB -84.43%