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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; 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 20191221 (experimental) 9308dce2ee871bd38520f189416fc708de1ccbd2
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 9308dce2ee871bd38520f189416fc708de1ccbd2
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.Ofast test results

Run Order Start Time Duration
Current 1576887377000.9308dce2ee871bd38520f189416fc708de1ccbd2 2019-12-21T06:33:09.970652 0:01:10.389142
Previous 1576857159000.40cbe06b0f2ecba5f1a2ff5aa340b31d80e8d97d 2019-12-20T19:28:44.667781 0:01:14.114504
Baseline 1543348665000.9b92780c8a3bee3cb13440f477cc2a6aef2ce191 2018-11-27T23:34:44.160312 0:01:14.615416

Tests Summary

Status Group # # (B)
Performance Regressions 0 20
Performance Improvements 5 13
Added Tests 3 3
Unchanged Tests 298 270
Total Tests 306

Run-Over-Run Changes Detail

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c -26.44% 1.215 0.894 - -0.78% -
random/pr29433.cpp -6.33% 3.287 3.079 - 2.49% -
random/pr12850.cpp -4.98% 42.586 40.464 - 28.13% -
random/pr36291.cpp -4.72% 33.082 31.519 - 1.60% -
random/pr36498.cpp -2.57% 16.062 15.649 - 3.04% -

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 28.13% 31.580 40.464 - -4.98% -
random/pr36439.cpp 23.06% 27.756 34.157 - 0.63% -
random/pr26854-2.c 19.01% 48.464 57.680 - 0.19% -
random/pr36498.cpp 3.04% 15.187 15.649 - -2.57% -
random/pr29433.cpp 2.49% 3.004 3.079 - -6.33% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c 20.82% 1.68 GB 2.03 GB - 0.00% -
random/pr12392.cpp 3.35% 808.32 MB 835.36 MB - 0.02% -
random/empty.C 2.41% 17.16 MB 17.58 MB - 0.00% -
random/pr12850.cpp 2.29% 568.05 MB 581.04 MB - 0.07% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text 917.19% 12.09 KB 122.95 KB - 0.00% -
random/pr12850.cpp/elf/sections/text 170.17% 33.93 KB 91.66 KB - 0.00% -
random/pr36439.cpp/elf 10.74% 1.57 MB 1.74 MB - 0.00% -
random/pr36498.cpp/elf/sections/text 7.91% 383.31 KB 413.63 KB - 0.00% -
random/pr12392.cpp/elf/sections/text 6.20% 386.45 KB 410.40 KB - 0.00% -
random/pr12850.cpp/elf 4.80% 3.28 MB 3.44 MB - 0.00% -
random/pr36498.cpp/elf 3.00% 1.55 MB 1.60 MB - 0.00% -
random/pr39326.c/elf/sections/text 2.95% 330.11 KB 339.86 KB - 0.00% -
random/pr29433.cpp/elf 2.74% 89.03 KB 91.47 KB - 0.00% -
random/pr36262.c/elf 2.20% 503.58 KB 514.66 KB - 0.00% -
random/pr38518.c/elf 2.20% 503.58 KB 514.66 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -73.53% 113.184 29.958 - 0.62% -
random/pr38518.c -73.44% 112.600 29.909 - 0.03% -
random/pr60243.c -72.33% 290.828 80.480 - -1.25% -
random/pr12392.cpp -20.85% 37.423 29.622 - -1.07% -
random/pr28071.c -8.95% 73.554 66.969 - 0.63% -
random/pr39326.c -6.65% 103.467 96.584 - -0.02% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -21.39% 1.57 GB 1.23 GB - 0.00% -
random/pr39326.c -15.14% 676.54 MB 574.09 MB - 0.00% -
random/pr36498.cpp -8.46% 385.14 MB 352.57 MB - -0.04% -
random/pr26854-2.c -6.35% 1.47 GB 1.37 GB - -0.03% -
random/pr36262.c -2.39% 2.88 GB 2.81 GB - -0.07% -
random/pr38518.c -2.37% 2.88 GB 2.81 GB - -0.00% -
random/pr70614.c -2.19% 60.68 MB 59.36 MB - -0.18% -

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

Report Time: 0.14s