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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 20201109 (experimental) ce4ae1f4893e322495c5d24b2f0e807a7f7cf92f
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 ce4ae1f4893e322495c5d24b2f0e807a7f7cf92f
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 1604889321000.ce4ae1f4893e322495c5d24b2f0e807a7f7cf92f 2020-11-09T07:30:24.372536 0:01:20.295548
Previous 1605011869000.1693746302e4306b43cb66a0afe589137069bd8e 2020-11-10T15:18:41.205220 0:01:20.602068
Baseline 1543348665000.9b92780c8a3bee3cb13440f477cc2a6aef2ce191 2018-11-27T23:34:44.160312 0:01:14.615416

Tests Summary

Status Group # # (B)
Performance Regressions 2 25
Performance Improvements 3 8
Added Tests 3 3
Unchanged Tests 298 270
Total Tests 306

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c 20.28% 70.641 84.965 - -17.88% -
random/pr29433.cpp 9.47% 3.265 3.574 - 18.95% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c -25.89% 1.157 0.858 - -4.76% -
random/pr12392.cpp -5.92% 51.415 48.372 - 29.26% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c/elf/sections/text -3.31% 311.27 KB 300.97 KB - -8.83% -

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 33.07% 31.580 42.023 - 0.11% -
random/pr12392.cpp 29.26% 37.423 48.372 - -5.92% -
random/pr36439.cpp 26.89% 27.756 35.221 - 0.50% -
random/pr29433.cpp 18.95% 3.004 3.574 - 9.47% -
random/pr26854-2.c 9.62% 48.464 53.126 - -1.04% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 106.01% 676.54 MB 1.36 GB - 0.01% -
random/pr12392.cpp 26.90% 808.32 MB 1.00 GB - 0.14% -
random/pr60243.c 18.56% 1.68 GB 1.99 GB - 0.01% -
random/pr29433.cpp 11.14% 334.61 MB 371.90 MB - 0.10% -
random/empty.C 6.87% 17.16 MB 18.34 MB - 1.40% -
random/empty.c 3.42% 16.21 MB 16.77 MB - 1.92% -
random/pr12850.cpp 3.25% 568.05 MB 586.53 MB - -0.02% -
random/pr36291.cpp 2.36% 482.16 MB 493.54 MB - -0.00% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text 969.20% 12.09 KB 129.23 KB - 0.00% -
random/pr12850.cpp/elf/sections/text 174.87% 33.93 KB 93.26 KB - 0.00% -
random/pr26854-2.c/elf/sections/text 11.26% 326.09 KB 362.82 KB - -1.14% -
random/pr36439.cpp/elf 10.94% 1.57 MB 1.75 MB - 0.00% -
random/pr12392.cpp/elf/sections/text 4.46% 386.45 KB 403.70 KB - 0.00% -
random/pr12850.cpp/elf 3.48% 3.28 MB 3.40 MB - 0.00% -
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% -
random/pr26854-2.c/elf 2.48% 977.16 KB 1001.40 KB - -0.41% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -75.39% 113.184 27.851 - -0.32% -
random/pr38518.c -75.13% 112.600 27.999 - 0.19% -
random/pr60243.c -71.12% 290.828 84.004 - -0.01% -
random/pr39326.c -17.88% 103.467 84.965 - 20.28% -
random/pr70614.c -4.76% 0.901 0.858 - -25.89% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr26854-2.c -18.03% 1.47 GB 1.20 GB - -0.01% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c/elf -24.57% 955.34 KB 720.62 KB - 0.15% -
random/pr39326.c/elf/sections/text -8.83% 330.11 KB 300.97 KB - -3.31% -

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

Report Time: 0.22s