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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) 11.0.0 20200610 (experimental) b952c2cfcd74c284970e1b9bf1fca58f5f69ab23
Copyright (C) 2020 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 b952c2cfcd74c284970e1b9bf1fca58f5f69ab23
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 1591748207000.b952c2cfcd74c284970e1b9bf1fca58f5f69ab23 2020-06-10T05:16:16.197278 0:01:11.864162
Previous 1591229794000.9a5b7438c85a926a0dba9dc980039f3d67571763 2020-06-04T05:13:11.118183 0:01:11.402867
Baseline 1543348665000.9b92780c8a3bee3cb13440f477cc2a6aef2ce191 2018-11-27T23:34:44.160312 0:01:14.615416

Tests Summary

Status Group # # (B)
Performance Regressions 8 24
Performance Improvements 0 9
Added Tests 3 3
Unchanged Tests 295 270
Total Tests 306

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c 14.19% 97.480 111.308 - 7.58% -
random/pr12392.cpp 12.60% 30.020 33.803 - -9.67% -
random/pr29433.cpp 8.43% 3.062 3.320 - 10.49% -
random/pr12850.cpp 6.11% 41.138 43.652 - 38.23% -
random/pr36291.cpp 5.31% 31.819 33.507 - 8.02% -
random/pr36498.cpp 5.29% 15.696 16.526 - 8.82% -
random/pr26854-2.c 2.41% 55.215 56.547 - 16.68% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c 2.30% 579.85 MB 593.17 MB - -12.32% -

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 38.23% 31.580 43.652 - 6.11% -
random/pr36439.cpp 27.14% 27.756 35.290 - 2.00% -
random/pr26854-2.c 16.68% 48.464 56.547 - 2.41% -
random/pr29433.cpp 10.49% 3.004 3.320 - 8.43% -
random/pr36498.cpp 8.82% 15.187 16.526 - 5.29% -
random/pr36291.cpp 8.02% 31.021 33.507 - 5.31% -
random/pr39326.c 7.58% 103.467 111.308 - 14.19% -
random/pr28071.c 2.15% 73.554 75.136 - 0.75% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c 20.76% 1.68 GB 2.02 GB - -0.02% -
random/empty.C 3.98% 17.16 MB 17.85 MB - -0.74% -
random/pr12392.cpp 2.88% 808.32 MB 831.60 MB - -0.02% -
random/pr12850.cpp 2.61% 568.05 MB 582.90 MB - -0.06% -
random/pr70614.c 2.06% 60.68 MB 61.93 MB - -0.91% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text 930.22% 12.09 KB 124.52 KB - 0.00% -
random/pr12850.cpp/elf/sections/text 170.17% 33.93 KB 91.66 KB - 0.00% -
random/pr36439.cpp/elf 11.01% 1.57 MB 1.75 MB - 0.00% -
random/pr36498.cpp/elf/sections/text 7.90% 383.31 KB 413.61 KB - 0.00% -
random/pr12392.cpp/elf/sections/text 6.82% 386.45 KB 412.79 KB - 0.00% -
random/pr12850.cpp/elf 5.31% 3.28 MB 3.46 MB - 0.02% -
random/pr39326.c/elf/sections/text 3.02% 330.11 KB 340.08 KB - 0.00% -
random/pr36498.cpp/elf 2.97% 1.55 MB 1.60 MB - 0.00% -
random/pr29433.cpp/elf 2.74% 89.03 KB 91.47 KB - 0.00% -
random/pr36262.c/elf 2.34% 503.58 KB 515.35 KB - 0.00% -
random/pr38518.c/elf 2.34% 503.58 KB 515.35 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -74.48% 113.184 28.879 - 0.42% -
random/pr38518.c -74.15% 112.600 29.107 - 0.60% -
random/pr60243.c -72.01% 290.828 81.416 - 0.28% -
random/pr12392.cpp -9.67% 37.423 33.803 - 12.60% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -21.66% 1.57 GB 1.23 GB - -0.03% -
random/pr39326.c -12.32% 676.54 MB 593.17 MB - 2.30% -
random/pr36498.cpp -8.21% 385.14 MB 353.52 MB - -0.11% -
random/pr26854-2.c -4.13% 1.47 GB 1.41 GB - -0.02% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr26854-2.c/elf/sections/text -2.29% 326.09 KB 318.62 KB - 0.00% -

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

Report Time: 0.15s