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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 20200505 (experimental) 1136ba01e1a1d9dda49c19432843748258bef06f
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 1136ba01e1a1d9dda49c19432843748258bef06f
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 1588708254000.1136ba01e1a1d9dda49c19432843748258bef06f 2020-05-05T23:26:08.813368 0:01:12.946350
Previous 1588299816000.7eee6d219617123a94cf0872821b1f78c2a9b8f1 2020-05-01T07:28:40.906169 0:01:11.573406
Baseline 1543348665000.9b92780c8a3bee3cb13440f477cc2a6aef2ce191 2018-11-27T23:34:44.160312 0:01:14.615416

Tests Summary

Status Group # # (B)
Performance Regressions 0 22
Performance Improvements 1 11
Added Tests 3 3
Unchanged Tests 302 270
Total Tests 306

Run-Over-Run Changes Detail

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c -25.99% 1.201 0.889 - -1.31% -

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 30.99% 31.580 41.365 - 0.85% -
random/pr36439.cpp 23.84% 27.756 34.373 - 0.47% -
random/pr26854-2.c 19.71% 48.464 58.019 - -1.46% -
random/pr28071.c 13.61% 73.554 83.564 - -1.56% -
random/pr29433.cpp 3.48% 3.004 3.109 - 0.41% -
random/pr36498.cpp 3.46% 15.187 15.712 - -0.17% -
random/pr36291.cpp 2.01% 31.021 31.644 - 0.23% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c 20.78% 1.68 GB 2.02 GB - 0.00% -
random/empty.C 4.96% 17.16 MB 18.02 MB - 0.81% -
random/pr12392.cpp 2.85% 808.32 MB 831.38 MB - 0.01% -
random/pr12850.cpp 2.54% 568.05 MB 582.45 MB - 0.26% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text 916.64% 12.09 KB 122.88 KB - 0.00% -
random/pr12850.cpp/elf/sections/text 171.41% 33.93 KB 92.08 KB - 0.00% -
random/pr36439.cpp/elf 10.81% 1.57 MB 1.74 MB - -0.00% -
random/pr36498.cpp/elf/sections/text 7.98% 383.31 KB 413.89 KB - 0.00% -
random/pr12392.cpp/elf/sections/text 6.83% 386.45 KB 412.86 KB - 0.00% -
random/pr12850.cpp/elf 5.25% 3.28 MB 3.45 MB - -0.00% -
random/pr36498.cpp/elf 2.99% 1.55 MB 1.60 MB - -0.00% -
random/pr39326.c/elf/sections/text 2.97% 330.11 KB 339.91 KB - 0.00% -
random/pr29433.cpp/elf 2.74% 89.03 KB 91.47 KB - 0.00% -
random/pr36262.c/elf 2.11% 503.58 KB 514.23 KB - 0.00% -
random/pr38518.c/elf 2.11% 503.58 KB 514.23 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -73.65% 113.184 29.819 - -0.33% -
random/pr38518.c -73.65% 112.600 29.670 - 0.02% -
random/pr60243.c -71.73% 290.828 82.224 - 0.90% -
random/pr12392.cpp -18.73% 37.423 30.415 - 0.32% -
random/pr39326.c -4.79% 103.467 98.508 - -1.44% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -21.62% 1.57 GB 1.23 GB - 0.00% -
random/pr39326.c -15.16% 676.54 MB 574.01 MB - 0.21% -
random/pr36498.cpp -10.26% 385.14 MB 345.61 MB - -1.94% -
random/pr26854-2.c -6.03% 1.47 GB 1.38 GB - 0.08% -
random/pr38518.c -2.52% 2.88 GB 2.81 GB - -0.05% -
random/pr36262.c -2.48% 2.88 GB 2.81 GB - -0.05% -

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

Report Time: 0.13s