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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 20190702 (experimental) 8a529f7e4ee2684170e81281bedc8eb069a9342f
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 8a529f7e4ee2684170e81281bedc8eb069a9342f
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 1562068637000.8a529f7e4ee2684170e81281bedc8eb069a9342f 2019-07-02T18:23:52.960328 0:01:11.595546
Previous 1561553919000.cec91df1946e680af0c1488b1f38dc6b51557556 2019-06-26T17:47:41.316897 0:01:12.076266
Baseline 1543348665000.9b92780c8a3bee3cb13440f477cc2a6aef2ce191 2018-11-27T23:34:44.160312 0:01:14.615416

Tests Summary

Status Group # # (B)
Performance Regressions 4 19
Performance Improvements 7 13
Added Tests 3 3
Unchanged Tests 292 271
Total Tests 306

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c 2.45% 46.311 47.444 - -2.11% -
random/pr39326.c 2.18% 99.298 101.465 - -1.94% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c/elf 2.04% 503.80 KB 514.09 KB - 2.09% -
random/pr38518.c/elf 2.04% 503.80 KB 514.09 KB - 2.09% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr29433.cpp -16.93% 3.645 3.028 - 0.77% -
random/pr36262.c -8.57% 97.585 89.221 - -21.17% -
random/pr38518.c -7.50% 97.034 89.759 - -20.28% -
random/pr12850.cpp -4.09% 43.602 41.817 - 32.42% -
random/pr28071.c -3.32% 69.723 67.405 - -8.36% -
random/pr36291.cpp -3.01% 31.856 30.896 - -0.40% -
random/pr36498.cpp -2.14% 18.949 18.544 - 22.10% -

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 32.42% 31.580 41.817 - -4.09% -
random/pr36498.cpp 22.10% 15.187 18.544 - -2.14% -
random/pr36439.cpp 20.46% 27.756 33.434 - 0.81% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp 12.32% 808.32 MB 907.87 MB - -0.39% -
random/pr44563.c 5.73% 1.31 GB 1.38 GB - 0.41% -
random/pr39326.c 3.03% 676.54 MB 697.04 MB - 0.37% -
random/pr36262.c 2.81% 2.88 GB 2.96 GB - 1.63% -
random/pr38518.c 2.76% 2.88 GB 2.96 GB - 1.67% -
random/pr70614.c 2.32% 60.68 MB 62.09 MB - 0.13% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf/sections/text 19.85% 383.31 KB 459.39 KB - 0.00% -
random/pr36439.cpp/elf 11.16% 1.57 MB 1.75 MB - 0.21% -
random/pr12850.cpp/elf 10.47% 3.28 MB 3.63 MB - 0.05% -
random/pr36498.cpp/elf 9.85% 1.55 MB 1.70 MB - -0.01% -
random/pr12392.cpp/elf/sections/text 9.75% 386.45 KB 424.12 KB - -0.06% -
random/pr39326.c/elf/sections/text 4.24% 330.11 KB 344.09 KB - 0.00% -
random/pr12392.cpp/elf 3.99% 1.09 MB 1.13 MB - 0.40% -
random/pr29433.cpp/elf 2.81% 89.03 KB 91.53 KB - 0.00% -
random/pr36262.c/elf 2.09% 503.58 KB 514.09 KB - 2.04% -
random/pr38518.c/elf 2.09% 503.58 KB 514.09 KB - 2.04% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -21.17% 113.184 89.221 - -8.57% -
random/pr38518.c -20.28% 112.600 89.759 - -7.50% -
random/pr60243.c -15.89% 290.828 244.622 - -1.32% -
random/pr12392.cpp -11.72% 37.423 33.036 - 0.74% -
random/pr28071.c -8.36% 73.554 67.405 - -3.32% -
random/pr70614.c -3.25% 0.901 0.871 - 0.69% -
random/pr26854-2.c -2.11% 48.464 47.444 - 2.45% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -15.26% 1.57 GB 1.33 GB - -0.04% -
random/pr36498.cpp -2.79% 385.14 MB 374.39 MB - 0.20% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text -54.15% 12.09 KB 5.54 KB - 0.28% -
random/pr12850.cpp/elf/sections/text -16.40% 33.93 KB 28.37 KB - -0.16% -
random/pr69609.c/elf -2.87% 1.32 MB 1.28 MB - 0.06% -
random/pr69609.c/elf/sections/text -2.18% 486.89 KB 476.30 KB - 0.16% -

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