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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) 10.0.0 20190827 (experimental) 4f58ba39e3d1917e2d8c3155038d21a2f4f53689
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 4f58ba39e3d1917e2d8c3155038d21a2f4f53689
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 1566891574000.4f58ba39e3d1917e2d8c3155038d21a2f4f53689 2019-08-27T12:41:12.462617 0:01:10.977283
Previous 1566317292000.6f692ac4df9c11fee1b28959fe77e4fca033817d 2019-08-20T21:39:42.725836 0:01:10.007783
Baseline 1543348665000.9b92780c8a3bee3cb13440f477cc2a6aef2ce191 2018-11-27T23:34:44.160312 0:01:14.615416

Tests Summary

Status Group # # (B)
Performance Regressions 8 19
Performance Improvements 1 13
Added Tests 19 3
Unchanged Tests 278 271
Total Tests 306

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr29433.cpp 20.42% 3.031 3.650 - 21.50% -
random/pr36291.cpp 8.57% 31.458 34.153 - 10.10% -
random/pr44563.c 4.58% 55.345 57.878 - 7.53% -
random/pr36498.cpp 3.31% 18.733 19.352 - 27.43% -
random/pr12850.cpp 3.17% 41.427 42.741 - 35.34% -
random/pr28071.c 2.78% 68.488 70.394 - -4.30% -
random/pr39326.c 2.49% 96.570 98.977 - -4.34% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c 2.66% 59.82 MB 61.41 MB - 1.20% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c -27.48% 1.225 0.888 - -1.37% -

Added Tests - compile_time
random/pr26854-2.c
random/pr36262.c
random/pr38518.c
random/pr69609.c

Added Tests - mem_bytes
random/pr26854-2.c
random/pr36262.c
random/pr38518.c
random/pr69609.c

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr26854-2.c/elf
random/pr26854-2.c/elf/sections/text
random/pr29433.cpp/elf/sections/text
random/pr36262.c/elf
random/pr36262.c/elf/sections/text
random/pr38518.c/elf
random/pr38518.c/elf/sections/text
random/pr69609.c/elf
random/pr69609.c/elf/sections/text

Run-Over-Baseline Changes Detail

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp 35.34% 31.580 42.741 - 3.17% -
random/pr36498.cpp 27.43% 15.187 19.352 - 3.31% -
random/pr29433.cpp 21.50% 3.004 3.650 - 20.42% -
random/pr36439.cpp 19.27% 27.756 33.104 - -0.53% -
random/pr26854-2.c 13.52% 48.464 55.017 - 0.00% -
random/pr36291.cpp 10.10% 31.021 34.153 - 8.57% -
random/pr44563.c 7.53% 53.826 57.878 - 4.58% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp 11.84% 808.32 MB 904.03 MB - -0.01% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf/sections/text 18.73% 383.31 KB 455.11 KB - 0.00% -
random/pr36439.cpp/elf 10.91% 1.57 MB 1.75 MB - -0.23% -
random/pr36498.cpp/elf 9.88% 1.55 MB 1.70 MB - 0.00% -
random/pr12850.cpp/elf 6.53% 3.28 MB 3.50 MB - 0.00% -
random/pr12392.cpp/elf/sections/text 6.53% 386.45 KB 411.67 KB - 0.00% -
random/pr39326.c/elf/sections/text 3.87% 330.11 KB 342.88 KB - 0.00% -
random/pr29433.cpp/elf 2.77% 89.03 KB 91.50 KB - 0.00% -
random/pr36262.c/elf 2.50% 503.58 KB 516.18 KB - 0.00% -
random/pr38518.c/elf 2.50% 503.58 KB 516.18 KB - 0.00% -
random/pr36262.c/elf/sections/text 2.24% 483.28 KB 494.12 KB - 0.00% -
random/pr38518.c/elf/sections/text 2.24% 483.28 KB 494.12 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -23.10% 113.184 87.044 - 0.00% -
random/pr38518.c -22.60% 112.600 87.152 - 0.00% -
random/pr60243.c -16.38% 290.828 243.195 - -1.86% -
random/pr12392.cpp -11.13% 37.423 33.259 - 0.49% -
random/pr39326.c -4.34% 103.467 98.977 - 2.49% -
random/pr28071.c -4.30% 73.554 70.394 - 2.78% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c -15.68% 676.54 MB 570.45 MB - -0.03% -
random/pr28071.c -15.31% 1.57 GB 1.33 GB - -0.13% -
random/pr36498.cpp -2.83% 385.14 MB 374.25 MB - -0.19% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text -53.91% 12.09 KB 5.57 KB - 0.00% -
random/pr12850.cpp/elf/sections/text -14.55% 33.93 KB 28.99 KB - 0.00% -
random/pr69609.c/elf -2.87% 1.32 MB 1.28 MB - 0.00% -
random/pr69609.c/elf/sections/text -2.19% 486.89 KB 476.21 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: 0.18s