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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) 2.32
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 20190523 (experimental) 2b16b231946bdc15d17ae33af3cbdfc731904d47
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 2b16b231946bdc15d17ae33af3cbdfc731904d47
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; openSUSE Tumbleweed) 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 1558647668000.2b16b231946bdc15d17ae33af3cbdfc731904d47 2019-05-24T02:42:47.488997 0:01:11.269555
Previous 1558454437000.90b483b4c348b6915e19b493851dcc5d1581c87e 2019-05-21T20:25:07.206738 0:01:10.104040
Baseline 1543348665000.9b92780c8a3bee3cb13440f477cc2a6aef2ce191 2018-11-27T23:34:44.160312 0:01:14.615416

Tests Summary

Status Group # # (B)
Performance Regressions 0 14
Performance Improvements 7 14
Added Tests 3 3
Unchanged Tests 296 275
Total Tests 306

Run-Over-Run Changes Detail

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr29433.cpp -16.10% 3.608 3.027 - 0.76% -
random/pr12392.cpp -12.07% 37.547 33.017 - -11.77% -
random/pr12850.cpp -4.81% 43.411 41.324 - 30.86% -
random/pr36291.cpp -4.47% 31.978 30.548 - -1.53% -
random/pr36498.cpp -3.30% 19.048 18.420 - 21.29% -
random/pr69609.c -2.08% 190.032 186.088 - 0.56% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp -3.33% 952.25 MB 920.54 MB - 13.88% -

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 30.86% 31.580 41.324 - -4.81% -
random/pr36498.cpp 21.29% 15.187 18.420 - -3.30% -
random/pr39326.c 19.13% 103.467 123.258 - -0.92% -
random/pr36439.cpp 16.46% 27.756 32.325 - -1.17% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp 13.88% 808.32 MB 920.54 MB - -3.33% -
random/pr44563.c 5.14% 1.31 GB 1.37 GB - 0.00% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf/sections/text 21.19% 383.31 KB 464.53 KB - 0.00% -
random/pr36439.cpp/elf 11.78% 1.57 MB 1.76 MB - 0.00% -
random/pr12850.cpp/elf 10.59% 3.28 MB 3.63 MB - 0.00% -
random/pr36498.cpp/elf 10.36% 1.55 MB 1.71 MB - 0.00% -
random/pr12392.cpp/elf/sections/text 9.76% 386.45 KB 424.17 KB - 0.00% -
random/pr39326.c/elf/sections/text 6.79% 330.11 KB 352.52 KB - 0.00% -
random/pr12392.cpp/elf 3.65% 1.09 MB 1.13 MB - -0.00% -
random/pr29433.cpp/elf 2.84% 89.03 KB 91.56 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c -15.21% 290.828 246.607 - -1.85% -
random/pr36262.c -14.04% 113.184 97.298 - 1.06% -
random/pr38518.c -13.00% 112.600 97.962 - 1.67% -
random/pr12392.cpp -11.77% 37.423 33.017 - -12.07% -
random/pr70614.c -3.85% 0.901 0.866 - -0.19% -
random/pr26854-2.c -2.16% 48.464 47.415 - -0.37% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c -12.92% 676.54 MB 589.14 MB - 0.01% -
random/pr36439.cpp -4.25% 453.24 MB 433.96 MB - -0.03% -
random/pr36498.cpp -3.37% 385.14 MB 372.17 MB - -0.09% -
random/empty.c -2.41% 16.21 MB 15.82 MB - 0.40% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text -54.28% 12.09 KB 5.53 KB - 0.00% -
random/pr12850.cpp/elf/sections/text -16.35% 33.93 KB 28.38 KB - 0.00% -
random/pr69609.c/elf -2.92% 1.32 MB 1.28 MB - 0.00% -
random/pr69609.c/elf/sections/text -2.33% 486.89 KB 475.53 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