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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) 9.0.1 20190312 (experimental) ef668b339b7682b996b5183c54ef04411ff965cd
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 ef668b339b7682b996b5183c54ef04411ff965cd
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 1552415851000.ef668b339b7682b996b5183c54ef04411ff965cd 2019-03-12T23:17:43.691247 0:01:10.794621
Previous 1552624483000.3d135120bd0b989cc14826bfd7c117ed7b225c10 2019-03-15T10:26:34.218018 0:01:11.047668
Baseline 1543348665000.9b92780c8a3bee3cb13440f477cc2a6aef2ce191 2018-11-27T23:34:44.160312 0:01:14.615416

Tests Summary

Status Group # # (B)
Performance Regressions 1 14
Performance Improvements 0 9
Added Tests 3 3
Unchanged Tests 302 280
Total Tests 306

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr60243.c 2.83% 241.655 248.493 - -14.56% -

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 30.09% 31.580 41.081 - -1.42% -
random/pr36498.cpp 24.89% 15.187 18.967 - -0.28% -
random/pr29433.cpp 19.51% 3.004 3.591 - 1.94% -
random/pr36439.cpp 19.46% 27.756 33.157 - -0.66% -
random/pr36291.cpp 5.03% 31.021 32.581 - 0.58% -
random/pr39326.c 4.36% 103.467 107.978 - -1.11% -
random/pr69609.c 3.03% 185.048 190.648 - -0.10% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr44563.c 5.10% 1.31 GB 1.37 GB - 0.01% -
random/pr39326.c 2.78% 676.54 MB 695.38 MB - 0.02% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf/sections/text 21.09% 383.31 KB 464.17 KB - 0.00% -
random/pr36439.cpp/elf 12.10% 1.57 MB 1.77 MB - 0.00% -
random/pr36498.cpp/elf 10.28% 1.55 MB 1.71 MB - 0.00% -
random/pr12850.cpp/elf 9.31% 3.28 MB 3.59 MB - 0.00% -
random/pr39326.c/elf/sections/text 4.17% 330.11 KB 343.89 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c -14.56% 290.828 248.493 - 2.83% -
random/pr12392.cpp -8.62% 37.423 34.198 - 0.30% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -6.44% 808.32 MB 756.30 MB - -0.09% -
random/pr36439.cpp -4.30% 453.24 MB 433.75 MB - 0.05% -
random/pr36498.cpp -3.28% 385.14 MB 372.50 MB - -0.14% -

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 - 0.00% -
random/pr12850.cpp/elf/sections/text -17.73% 33.93 KB 27.91 KB - 0.00% -
random/pr69609.c/elf -2.94% 1.32 MB 1.28 MB - 0.00% -
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: 0.15s