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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 20190108 (experimental) bde2f75045099dc404d0874188c43576732833c0
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 bde2f75045099dc404d0874188c43576732833c0
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-honza.O_g test results

Run Order Start Time Duration
Current 1547135524000.bde2f75045099dc404d0874188c43576732833c0 2019-01-10T22:56:01.687549 0:01:10.734319
Previous 1547829407000.18ef7b5bc5ccbd98e996890276de294b92fd1ccd 2019-01-19T05:15:33.141849 0:01:14.396208
Baseline 1543509871000.7db9606762e24d4a32ce052efdfdcf3139a23afb 2018-11-30T15:48:32.034939 0:01:10.936294

Tests Summary

Status Group # # (B)
Performance Regressions 2 1
Performance Improvements 16 11
Added Tests 3 3
Unchanged Tests 303 309
Total Tests 324

Run-Over-Run Changes Detail

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp 6.70% 485.29 MB 517.79 MB - 0.17% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp/elf 23.72% 16.81 MB 20.80 MB - -1.63% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp -23.91% 18.418 14.014 - 1.08% -
random/pr28071.c -16.86% 50.233 41.763 - -1.81% -
random/pr12850.cpp -13.95% 48.290 41.553 - 0.26% -
random/pr12392.cpp -10.95% 41.625 37.067 - -2.54% -
random/pr36439.cpp -10.16% 24.901 22.371 - 4.09% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c -16.47% 954.97 MB 797.67 MB - -0.77% -
random/pr36498.cpp -7.13% 516.05 MB 479.27 MB - 1.26% -
random/pr12392.cpp -5.04% 971.62 MB 922.61 MB - -0.72% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp/elf -19.46% 17.27 MB 13.91 MB - 0.98% -
random/pr28071.c/elf -18.92% 2.75 MB 2.23 MB - 0.22% -
random/pr36498.cpp/elf/sections/text -17.22% 477.43 KB 395.23 KB - -0.95% -
random/pr12392.cpp/elf/sections/text -14.34% 634.35 KB 543.36 KB - -3.50% -
random/pr28071.c/elf/sections/text -13.26% 650.21 KB 563.98 KB - 0.15% -
random/pr36439.cpp/elf -12.41% 14.15 MB 12.39 MB - 1.17% -
random/pr12850.cpp/elf -10.20% 34.61 MB 31.08 MB - -0.47% -
random/pr12850.cpp/elf/sections/text -4.86% 29.69 KB 28.25 KB - -16.75% -

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 4.09% 21.492 22.371 - -10.16% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -4.35% 8.214 7.857 - 0.36% -
random/pr36262.c -4.05% 8.186 7.854 - -0.05% -
random/pr12392.cpp -2.54% 38.032 37.067 - -10.95% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -3.52% 216.05 MB 208.45 MB - 0.00% -
random/pr36262.c -3.25% 215.44 MB 208.44 MB - 0.00% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp/elf/sections/text -16.75% 33.93 KB 28.25 KB - -4.86% -
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/pr12392.cpp/elf/sections/text -3.50% 563.08 KB 543.36 KB - -14.34% -
random/pr36262.c/elf -2.28% 368.81 KB 360.42 KB - 0.00% -
random/pr38518.c/elf -2.27% 368.62 KB 360.25 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: 0.11s
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 20.80 MB 23.72%
random/pr12392.cpp/elf/sections/text 543.36 KB -14.34%
random/pr12850.cpp/elf 31.08 MB -10.20%
random/pr12850.cpp/elf/sections/text 28.25 KB -4.86%
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 2.23 MB -18.92%
random/pr28071.c/elf/sections/text 563.98 KB -13.26%
random/pr29433.cpp/elf 1.46 MB -
random/pr29433.cpp/elf/sections/text 726.00 B -
random/pr36262.c/elf 360.42 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 12.39 MB -12.41%
random/pr36439.cpp/elf/sections/text 0.00 B -
random/pr36498.cpp/elf 13.91 MB -19.46%
random/pr36498.cpp/elf/sections/text 395.23 KB -17.22%
random/pr37448.c/elf 14.43 MB -
random/pr37448.c/elf/sections/text 1.94 MB -
random/pr38518.c/elf 360.25 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 94.02 KB -85.20%