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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) 2.34.0.20200325-1
Copyright (C) 2020 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) 11.0.0 20200917 (experimental) ecde1b0a467127714872785b9935fe7c580778f0
Copyright (C) 2020 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 ecde1b0a467127714872785b9935fe7c580778f0
glibc GNU C Library (GNU libc) stable release version 2.31 (git 0a8262a1b2).
Copyright (C) 2020 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 10.1.1 20200625 [revision c91e43e9363bd119a695d64505f96539fa451bf2].
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) 2.34.0.20200325-1
options None
reason None
uname Linux zenith 5.7.9-1-default #1 SMP Thu Jul 16 09:40:08 UTC 2020 (a010166) x86_64 x86_64 x86_64 GNU/Linux
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zenith.gcc-trunk.Ofast test results

Run Order Start Time Duration
Current 1600301791000.ecde1b0a467127714872785b9935fe7c580778f0 2020-09-17T07:25:43.315667 0:01:10.951013
Previous 1600222429000.01d56aeaffa11959278dd6f6f2c1085cac25a345 2020-09-16T07:27:41.808521 0:01:11.489221
Baseline 1543348665000.9b92780c8a3bee3cb13440f477cc2a6aef2ce191 2018-11-27T23:34:44.160312 0:01:14.615416

Tests Summary

Status Group # # (B)
Performance Regressions 0 22
Performance Improvements 5 10
Added Tests 7 3
Unchanged Tests 294 271
Total Tests 306

Run-Over-Run Changes Detail

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c -28.76% 1.175 0.837 - -7.03% -
random/pr36262.c -6.25% 31.554 29.583 - -73.86% -
random/pr60243.c -5.04% 87.632 83.213 - -71.39% -
random/pr38518.c -4.35% 31.202 29.844 - -73.50% -
random/pr26854-2.c -3.88% 57.702 55.463 - 14.44% -

Added Tests - compile_time
random/pr28071.c

Added Tests - mem_bytes
random/pr28071.c

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr28071.c/elf
random/pr28071.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 29.09% 31.580 40.767 - -0.31% -
random/pr36439.cpp 23.70% 27.756 34.334 - -0.33% -
random/pr26854-2.c 14.44% 48.464 55.463 - -3.88% -
random/pr29433.cpp 9.29% 3.004 3.284 - 0.69% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 92.60% 676.54 MB 1.27 GB - 0.04% -
random/pr60243.c 19.18% 1.68 GB 2.00 GB - 0.00% -
random/pr29433.cpp 12.47% 334.61 MB 376.32 MB - -0.02% -
random/empty.C 5.08% 17.16 MB 18.04 MB - 1.41% -
random/pr12850.cpp 3.93% 568.05 MB 590.36 MB - -0.01% -
random/pr36291.cpp 3.38% 482.16 MB 498.44 MB - 0.07% -
random/empty.c 3.35% 16.21 MB 16.75 MB - 0.00% -
random/pr12392.cpp 3.24% 808.32 MB 834.47 MB - -0.05% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text 927.70% 12.09 KB 124.22 KB - 0.00% -
random/pr12850.cpp/elf/sections/text 170.91% 33.93 KB 91.91 KB - 0.00% -
random/pr36439.cpp/elf 10.97% 1.57 MB 1.75 MB - 0.00% -
random/pr12850.cpp/elf 5.39% 3.28 MB 3.46 MB - 0.01% -
random/pr12392.cpp/elf/sections/text 4.16% 386.45 KB 402.54 KB - 0.00% -
random/pr36262.c/elf 3.40% 503.58 KB 520.69 KB - 0.00% -
random/pr38518.c/elf 3.40% 503.58 KB 520.69 KB - 0.00% -
random/pr29433.cpp/elf 2.74% 89.03 KB 91.47 KB - 0.00% -
random/pr36262.c/elf/sections/text 2.56% 483.28 KB 495.65 KB - 0.00% -
random/pr38518.c/elf/sections/text 2.56% 483.28 KB 495.65 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -73.86% 113.184 29.583 - -6.25% -
random/pr38518.c -73.50% 112.600 29.844 - -4.35% -
random/pr60243.c -71.39% 290.828 83.213 - -5.04% -
random/pr39326.c -34.99% 103.467 67.268 - -0.73% -
random/pr12392.cpp -21.02% 37.423 29.558 - 1.11% -
random/pr70614.c -7.03% 0.901 0.837 - -28.76% -
random/pr36291.cpp -2.25% 31.021 30.324 - 1.60% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -21.61% 1.57 GB 1.23 GB - 0.00% -
random/pr26854-2.c -6.13% 1.47 GB 1.38 GB - 0.02% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c/elf -22.36% 955.34 KB 741.73 KB - 0.21% -

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

Report Time: 0.11s