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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: 2800.000
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) 46e2bd1143b5c60af814916d7673879b34ceb3f6
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 46e2bd1143b5c60af814916d7673879b34ceb3f6
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.Ofast test results

Run Order Start Time Duration
Current 1546980743000.46e2bd1143b5c60af814916d7673879b34ceb3f6 2019-01-10T00:22:26.107149 0:01:14.990089
Previous 1546433978000.55f3d39776c24b3bc9639d9316183843731a7be6 2019-01-03T15:27:55.273796 0:01:11.317055
Baseline 1543509871000.7db9606762e24d4a32ce052efdfdcf3139a23afb 2018-11-30T15:48:32.034939 0:01:11.029051

Tests Summary

Status Group # # (B)
Performance Regressions 12 12
Performance Improvements 8 7
Added Tests 3 3
Unchanged Tests 283 284
Total Tests 306

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr29433.cpp 20.11% 3.009 3.614 - 20.67% -
random/pr12850.cpp 12.76% 31.487 35.504 - 12.44% -
random/pr69609.c 6.10% 181.148 192.191 - 6.35% -
random/pr36439.cpp 4.85% 27.598 28.938 - 4.77% -
random/pr36291.cpp 3.39% 30.861 31.907 - 2.28% -
random/pr38518.c 2.98% 112.090 115.431 - 2.68% -
random/pr36498.cpp 2.58% 15.229 15.623 - 2.56% -
random/pr36262.c 2.42% 112.465 115.183 - 2.76% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp/elf/sections/text 11.79% 33.93 KB 37.93 KB - 11.79% -
random/pr12850.cpp/elf 4.43% 3.28 MB 3.43 MB - 4.43% -
random/pr36439.cpp/elf 2.70% 1.57 MB 1.62 MB - 2.70% -
random/pr29433.cpp/elf 2.59% 89.03 KB 91.34 KB - 2.59% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp -8.65% 37.370 34.137 - -9.33% -
random/pr60243.c -2.93% 292.653 284.079 - -1.39% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp -6.35% 808.79 MB 757.43 MB - -6.32% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp/elf/sections/text -49.16% 12.09 KB 6.14 KB - -49.16% -
random/pr36498.cpp/elf/sections/text -8.99% 383.31 KB 348.86 KB - -8.99% -
random/pr12392.cpp/elf/sections/text -3.02% 386.45 KB 374.76 KB - -3.02% -
random/pr69609.c/elf -2.94% 1.32 MB 1.28 MB - -2.94% -
random/pr69609.c/elf/sections/text -2.37% 486.89 KB 475.37 KB - -2.37% -

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr29433.cpp/elf/sections/text

Run-Over-Baseline Changes Detail

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr29433.cpp 20.67% 2.994 3.614 - 20.11% -
random/pr12850.cpp 12.44% 31.575 35.504 - 12.76% -
random/pr69609.c 6.35% 180.713 192.191 - 6.10% -
random/pr36439.cpp 4.77% 27.621 28.938 - 4.85% -
random/pr36262.c 2.76% 112.092 115.183 - 2.42% -
random/pr38518.c 2.68% 112.422 115.431 - 2.98% -
random/pr36498.cpp 2.56% 15.233 15.623 - 2.58% -
random/pr36291.cpp 2.28% 31.195 31.907 - 3.39% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp/elf/sections/text 11.79% 33.93 KB 37.93 KB - 11.79% -
random/pr12850.cpp/elf 4.43% 3.28 MB 3.43 MB - 4.43% -
random/pr36439.cpp/elf 2.70% 1.57 MB 1.62 MB - 2.70% -
random/pr29433.cpp/elf 2.59% 89.03 KB 91.34 KB - 2.59% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -9.33% 37.649 34.137 - -8.65% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -6.32% 808.50 MB 757.43 MB - -6.35% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text -49.16% 12.09 KB 6.14 KB - -49.16% -
random/pr36498.cpp/elf/sections/text -8.99% 383.31 KB 348.86 KB - -8.99% -
random/pr12392.cpp/elf/sections/text -3.02% 386.45 KB 374.76 KB - -3.02% -
random/pr69609.c/elf -2.94% 1.32 MB 1.28 MB - -2.94% -
random/pr69609.c/elf/sections/text -2.37% 486.89 KB 475.37 KB - -2.37% -

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr29433.cpp/elf/sections/text

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