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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; 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 20190121 (experimental) 99bf4b63215812e3d189e99ba50e90256f432a65
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 99bf4b63215812e3d189e99ba50e90256f432a65
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.Ofast test results

Run Order Start Time Duration
Current 1548100384000.99bf4b63215812e3d189e99ba50e90256f432a65 2019-01-21T23:23:16.051737 0:01:11.332988
Previous 1546649850000.dd1ab8da67d921373ff2b018287d170e826a9e15 2019-01-05T10:31:34.228337 0:01:11.334551
Baseline 1543348665000.9b92780c8a3bee3cb13440f477cc2a6aef2ce191 2018-11-27T23:34:44.160312 0:01:14.615416

Tests Summary

Status Group # # (B)
Performance Regressions 7 10
Performance Improvements 6 9
Added Tests 7 3
Unchanged Tests 286 284
Total Tests 306

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp 25.93% 31.605 39.799 - 26.03% -
random/pr36439.cpp 16.15% 28.270 32.835 - 18.30% -
random/pr36498.cpp 13.84% 15.266 17.379 - 14.44% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp/elf/sections/text 11.79% 380.53 KB 425.39 KB - 10.98% -
random/pr36439.cpp/elf 11.74% 1.57 MB 1.76 MB - 11.61% -
random/pr12850.cpp/elf 9.54% 3.28 MB 3.59 MB - 9.36% -
random/pr36498.cpp/elf 7.54% 1.55 MB 1.67 MB - 7.40% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp -8.54% 37.288 34.102 - -8.87% -
random/pr69609.c -2.15% 193.862 189.684 - 2.51% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp -7.49% 811.91 MB 751.08 MB - -7.08% -
random/pr36439.cpp -5.73% 452.99 MB 427.04 MB - -5.78% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp/elf/sections/text -51.84% 11.57 KB 5.57 KB - -53.89% -
random/pr12850.cpp/elf/sections/text -13.12% 33.12 KB 28.77 KB - -15.20% -

Added Tests - compile_time
random/pr60243.c

Added Tests - mem_bytes
random/pr60243.c

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr29433.cpp/elf/sections/text
random/pr60243.c/elf
random/pr60243.c/elf/sections/text

Run-Over-Baseline Changes Detail

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp 26.03% 31.580 39.799 - 25.93% -
random/pr36439.cpp 18.30% 27.756 32.835 - 16.15% -
random/pr36498.cpp 14.44% 15.187 17.379 - 13.84% -
random/pr69609.c 2.51% 185.048 189.684 - -2.15% -
random/pr39326.c 2.45% 103.467 106.005 - -1.36% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.C 2.18% 17.16 MB 17.54 MB - 1.04% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf 11.61% 1.57 MB 1.76 MB - 11.74% -
random/pr36498.cpp/elf/sections/text 10.98% 383.31 KB 425.39 KB - 11.79% -
random/pr12850.cpp/elf 9.36% 3.28 MB 3.59 MB - 9.54% -
random/pr36498.cpp/elf 7.40% 1.55 MB 1.67 MB - 7.54% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -8.87% 37.423 34.102 - -8.54% -
random/pr60243.c -2.47% 290.828 283.657 - 0.00% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -7.08% 808.32 MB 751.08 MB - -7.49% -
random/pr36439.cpp -5.78% 453.24 MB 427.04 MB - -5.73% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text -53.89% 12.09 KB 5.57 KB - -51.84% -
random/pr12850.cpp/elf/sections/text -15.20% 33.93 KB 28.77 KB - -13.12% -
random/pr69609.c/elf -2.94% 1.32 MB 1.28 MB - 0.00% -
random/pr12392.cpp/elf -2.44% 1.09 MB 1.06 MB - -0.88% -
random/pr69609.c/elf/sections/text -2.37% 486.89 KB 475.37 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: 0.14s