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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; home:marxin:branches:devel:gcc-bundle / openSUSE_Factory) 2.32
Copyright (C) 2019 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) 10.0.0 20190716 (experimental) ddee20190fa78935338bc3161c1b29b8528d82dd
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 ddee20190fa78935338bc3161c1b29b8528d82dd
glibc GNU C Library (GNU libc) stable release version 2.29 (git 56c86f5dd516).
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.
Configured for x86_64-suse-linux.
Compiled by GNU CC version 8.3.1 20190226 [gcc-8-branch revision 269204].
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; home:marxin:branches:devel:gcc-bundle / openSUSE_Factory) 2.32
options None
reason None
uname Linux zenith 5.0.9-1-default #1 SMP Sun Apr 21 06:42:32 UTC 2019 (7bd8353) 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 1563266441000.ddee20190fa78935338bc3161c1b29b8528d82dd 2019-07-16T23:30:36.098149 0:01:11.214494
Previous 1562865613000.948b74c417ab566c1cd4c598acce7dd3c886d3d3 2019-07-11T23:41:33.751683 0:01:15.464555
Baseline 1543509871000.7db9606762e24d4a32ce052efdfdcf3139a23afb 2018-11-30T15:48:32.034939 0:01:11.029051

Tests Summary

Status Group # # (B)
Performance Regressions 4 18
Performance Improvements 9 14
Added Tests 3 3
Unchanged Tests 290 271
Total Tests 306

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp 2.23% 30.338 31.015 - -0.58% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp/elf/sections/text 2.09% 28.40 KB 28.99 KB - -14.55% -
random/pr36262.c/elf 2.04% 503.80 KB 514.09 KB - 2.09% -
random/pr38518.c/elf 2.04% 503.80 KB 514.09 KB - 2.09% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c -24.52% 128.950 97.328 - -8.03% -
random/pr36262.c -8.43% 95.970 87.882 - -21.60% -
random/pr38518.c -8.20% 96.054 88.180 - -21.56% -
random/pr28071.c -7.57% 74.104 68.492 - -7.12% -
random/pr69609.c -5.56% 195.009 184.169 - 1.91% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c -15.21% 1.57 GB 1.33 GB - -15.25% -
random/pr39326.c -3.17% 589.12 MB 570.46 MB - -15.68% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp/elf -3.64% 3.63 MB 3.50 MB - 6.53% -
random/pr39326.c/elf/sections/text -2.72% 352.52 KB 342.92 KB - 3.88% -

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/pr12850.cpp 30.66% 31.575 41.257 - -0.52% -
random/pr36498.cpp 22.47% 15.233 18.655 - 1.88% -
random/pr36439.cpp 21.34% 27.621 33.514 - 1.62% -
random/pr29433.cpp 2.05% 2.994 3.056 - 1.01% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp 12.28% 808.50 MB 907.78 MB - -1.42% -
random/pr44563.c 5.70% 1.31 GB 1.38 GB - 0.29% -
random/pr38518.c 2.83% 2.88 GB 2.96 GB - 1.71% -
random/pr36262.c 2.82% 2.88 GB 2.96 GB - 1.64% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf/sections/text 19.83% 383.31 KB 459.33 KB - 0.00% -
random/pr36439.cpp/elf 11.16% 1.57 MB 1.75 MB - 0.22% -
random/pr36498.cpp/elf 9.84% 1.55 MB 1.70 MB - -0.13% -
random/pr12392.cpp/elf/sections/text 9.75% 386.45 KB 424.12 KB - -0.04% -
random/pr12850.cpp/elf 6.53% 3.28 MB 3.50 MB - -3.64% -
random/pr12392.cpp/elf 3.99% 1.09 MB 1.13 MB - 0.32% -
random/pr39326.c/elf/sections/text 3.88% 330.11 KB 342.92 KB - -2.72% -
random/pr29433.cpp/elf 2.81% 89.03 KB 91.53 KB - 0.00% -
random/pr36262.c/elf 2.09% 503.58 KB 514.09 KB - 2.04% -
random/pr38518.c/elf 2.09% 503.58 KB 514.09 KB - 2.04% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -21.60% 112.092 87.882 - -8.43% -
random/pr38518.c -21.56% 112.422 88.180 - -8.20% -
random/pr60243.c -15.91% 288.096 242.265 - -0.02% -
random/pr12392.cpp -13.17% 37.649 32.690 - -1.26% -
random/pr39326.c -8.03% 105.821 97.328 - -24.52% -
random/pr28071.c -7.12% 73.741 68.492 - -7.57% -
random/pr70614.c -2.29% 0.900 0.879 - 1.93% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c -15.68% 676.55 MB 570.46 MB - -3.17% -
random/pr28071.c -15.25% 1.57 GB 1.33 GB - -15.21% -
random/pr36498.cpp -2.89% 385.11 MB 373.96 MB - 0.41% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text -54.15% 12.09 KB 5.54 KB - 0.28% -
random/pr12850.cpp/elf/sections/text -14.55% 33.93 KB 28.99 KB - 2.09% -
random/pr69609.c/elf -2.87% 1.32 MB 1.28 MB - 0.06% -
random/pr69609.c/elf/sections/text -2.18% 486.89 KB 476.30 KB - 0.16% -

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

Report Time: 0.10s