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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: 2800.000
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 20201207 (experimental) 8dcfa368fb66c61a86010871c70d3aa3b08e10e9
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 8dcfa368fb66c61a86010871c70d3aa3b08e10e9
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-honza.Ofast test results

Run Order Start Time Duration
Current 1607347034000.8dcfa368fb66c61a86010871c70d3aa3b08e10e9 2020-12-08T04:38:58.602240 0:01:20.328181
Previous 1606555654000.2331b1e17e54e43a3d2e4829b015860e98b8aae8 2020-11-28T11:59:18.136477 0:01:20.585148
Baseline 1543509871000.7db9606762e24d4a32ce052efdfdcf3139a23afb 2018-11-30T15:48:32.034939 0:01:11.029051

Tests Summary

Status Group # # (B)
Performance Regressions 4 26
Performance Improvements 2 8
Added Tests 3 3
Unchanged Tests 297 269
Total Tests 306

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c 3.98% 52.600 54.693 - 13.26% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp/elf/sections/text 102.59% 64.96 KB 131.60 KB - 287.88% -
random/pr26854-2.c/elf/sections/text 4.70% 366.97 KB 384.21 KB - 17.82% -
random/pr12850.cpp/elf 2.98% 3.37 MB 3.47 MB - 5.65% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c -26.76% 1.153 0.845 - -6.15% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c -3.17% 1.20 GB 1.16 GB - -20.60% -

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/pr12392.cpp 36.49% 37.649 51.386 - -0.61% -
random/pr12850.cpp 34.89% 31.575 42.593 - 1.29% -
random/pr36439.cpp 29.60% 27.621 35.796 - 0.19% -
random/pr26854-2.c 13.26% 48.289 54.693 - 3.98% -
random/pr29433.cpp 9.94% 2.994 3.292 - 0.70% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 106.05% 676.55 MB 1.36 GB - 0.02% -
random/pr12392.cpp 26.99% 808.50 MB 1.00 GB - 0.12% -
random/pr60243.c 15.43% 1.68 GB 1.94 GB - 0.01% -
random/pr29433.cpp 11.93% 334.67 MB 374.58 MB - -0.05% -
random/empty.C 6.58% 17.17 MB 18.30 MB - 0.34% -
random/empty.c 5.15% 16.22 MB 17.05 MB - 1.58% -
random/pr70614.c 4.91% 60.69 MB 63.67 MB - -0.21% -
random/pr12850.cpp 4.39% 568.06 MB 593.02 MB - -0.01% -
random/pr36291.cpp 2.94% 482.77 MB 496.96 MB - 0.07% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text 972.15% 12.09 KB 129.59 KB - 0.06% -
random/pr12850.cpp/elf/sections/text 287.88% 33.93 KB 131.60 KB - 102.59% -
random/pr26854-2.c/elf/sections/text 17.82% 326.09 KB 384.21 KB - 4.70% -
random/pr36439.cpp/elf 10.29% 1.57 MB 1.74 MB - 0.02% -
random/pr12850.cpp/elf 5.65% 3.28 MB 3.47 MB - 2.98% -
random/pr26854-2.c/elf 4.66% 977.16 KB 1022.65 KB - 1.71% -
random/pr12392.cpp/elf/sections/text 4.12% 386.45 KB 402.39 KB - -0.33% -
random/pr36262.c/elf 3.36% 503.58 KB 520.48 KB - 0.00% -
random/pr38518.c/elf 3.36% 503.58 KB 520.48 KB - 0.00% -
random/pr29433.cpp/elf 2.96% 89.03 KB 91.66 KB - 0.00% -
random/pr36262.c/elf/sections/text 2.53% 483.28 KB 495.49 KB - 0.00% -
random/pr38518.c/elf/sections/text 2.53% 483.28 KB 495.49 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -75.10% 112.422 27.993 - 0.77% -
random/pr36262.c -74.97% 112.092 28.057 - 0.12% -
random/pr60243.c -64.52% 288.096 102.221 - 1.27% -
random/pr39326.c -33.02% 105.821 70.883 - 2.00% -
random/pr70614.c -6.15% 0.900 0.845 - -26.76% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr26854-2.c -20.60% 1.47 GB 1.16 GB - -3.17% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c/elf -24.69% 955.34 KB 719.43 KB - 0.00% -
random/pr39326.c/elf/sections/text -5.76% 330.11 KB 311.11 KB - 0.00% -

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

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