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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) 11.0.1 20210308 (experimental) b48d76c4e6bd3b88f23979ede4ff12f875e0ad60
Copyright (C) 2021 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 b48d76c4e6bd3b88f23979ede4ff12f875e0ad60
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 1615162594000.b48d76c4e6bd3b88f23979ede4ff12f875e0ad60 2021-03-08T07:37:49.616129 0:01:19.845558
Previous 1614906065000.8d240b3f0615a890d8bdd9319842601a48292522 2021-03-05T07:37:50.489786 0:01:20.330788
Baseline 1543348665000.9b92780c8a3bee3cb13440f477cc2a6aef2ce191 2018-11-27T23:34:44.160312 0:01:14.615416

Tests Summary

Status Group # # (B)
Performance Regressions 1 22
Performance Improvements 0 12
Added Tests 3 3
Unchanged Tests 302 269
Total Tests 306

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c 2.50% 97.549 99.985 - -3.37% -

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 35.09% 31.580 42.662 - -0.38% -
random/pr36439.cpp 28.47% 27.756 35.658 - -1.81% -
random/pr29433.cpp 17.46% 3.004 3.529 - -0.40% -
random/pr26854-2.c 3.39% 48.464 50.109 - 0.10% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 92.67% 676.54 MB 1.27 GB - 0.03% -
random/pr60243.c 14.83% 1.68 GB 1.92 GB - -0.04% -
random/pr29433.cpp 12.06% 334.61 MB 374.97 MB - 0.05% -
random/empty.C 8.15% 17.16 MB 18.56 MB - -0.34% -
random/pr12850.cpp 5.71% 568.05 MB 600.50 MB - -0.18% -
random/empty.c 4.36% 16.21 MB 16.92 MB - 0.00% -
random/pr36291.cpp 2.84% 482.16 MB 495.87 MB - -0.01% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text 972.41% 12.09 KB 129.62 KB - 0.00% -
random/pr12850.cpp/elf/sections/text 288.11% 33.93 KB 131.68 KB - 0.00% -
random/pr36439.cpp/elf 10.53% 1.57 MB 1.74 MB - 0.00% -
random/pr12850.cpp/elf 5.66% 3.28 MB 3.47 MB - 0.00% -
random/pr26854-2.c/elf/sections/text 4.75% 326.09 KB 341.58 KB - 0.00% -
random/pr12392.cpp/elf/sections/text 4.71% 386.45 KB 404.65 KB - 0.00% -
random/pr36262.c/elf 3.66% 503.58 KB 521.98 KB - 0.00% -
random/pr38518.c/elf 3.66% 503.58 KB 521.98 KB - 0.00% -
random/pr29433.cpp/elf 2.96% 89.03 KB 91.66 KB - 0.00% -
random/pr36262.c/elf/sections/text 2.84% 483.28 KB 497.00 KB - 0.00% -
random/pr38518.c/elf/sections/text 2.84% 483.28 KB 497.00 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -77.75% 113.184 25.185 - -0.03% -
random/pr38518.c -77.41% 112.600 25.439 - 0.36% -
random/pr60243.c -68.11% 290.828 92.759 - -0.31% -
random/pr12392.cpp -25.53% 37.423 27.869 - -0.56% -
random/pr70614.c -7.72% 0.901 0.831 - 0.06% -
random/pr39326.c -3.37% 103.467 99.985 - 2.50% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -76.59% 2.88 GB 691.12 MB - 0.02% -
random/pr36262.c -76.52% 2.88 GB 692.82 MB - 0.01% -
random/pr26854-2.c -34.60% 1.47 GB 982.48 MB - -0.12% -
random/pr12392.cpp -3.32% 808.32 MB 781.52 MB - 0.05% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c/elf -27.65% 955.34 KB 691.23 KB - 0.00% -
random/pr39326.c/elf/sections/text -6.27% 330.11 KB 309.42 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: 0.13s