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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 20201015 (experimental) 4f4f649d66e37954ffc05725662e966ae9a4d12f
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 4f4f649d66e37954ffc05725662e966ae9a4d12f
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 1602790447000.4f4f649d66e37954ffc05725662e966ae9a4d12f 2020-10-15T23:06:51.215922 0:01:20.430688
Previous 1602129941000.c1c62aec6751678e958ab5c61b2d903a09d7efd9 2020-10-08T08:15:36.690075 0:01:11.307994
Baseline 1543348665000.9b92780c8a3bee3cb13440f477cc2a6aef2ce191 2018-11-27T23:34:44.160312 0:01:14.615416

Tests Summary

Status Group # # (B)
Performance Regressions 7 24
Performance Improvements 6 8
Added Tests 3 3
Unchanged Tests 290 271
Total Tests 306

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr60243.c 6.32% 83.230 88.487 - -69.57% -
random/pr26854-2.c 5.49% 54.423 57.413 - 18.46% -
random/pr36262.c 4.32% 30.219 31.523 - -72.15% -
random/pr38518.c 2.35% 30.295 31.005 - -72.46% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c 9.64% 1.35 GB 1.48 GB - 0.83% -
random/empty.c 2.67% 16.38 MB 16.82 MB - 3.73% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c/elf/sections/text 3.04% 339.16 KB 349.47 KB - 7.17% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c -24.84% 1.168 0.878 - -2.51% -
random/pr39326.c -5.67% 66.578 62.802 - -39.30% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c -8.90% 1.27 GB 1.16 GB - 75.66% -
random/pr70614.c -3.00% 62.48 MB 60.61 MB - -0.13% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c/elf -5.17% 741.73 KB 703.38 KB - -26.37% -
random/pr39326.c/elf/sections/text -4.87% 329.27 KB 313.22 KB - -5.12% -

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 37.46% 37.423 51.442 - 1.69% -
random/pr12850.cpp 32.16% 31.580 41.737 - -0.14% -
random/pr36439.cpp 29.76% 27.756 36.017 - 1.66% -
random/pr26854-2.c 18.46% 48.464 57.413 - 5.49% -
random/pr29433.cpp 8.25% 3.004 3.252 - -0.46% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 75.66% 676.54 MB 1.16 GB - -8.90% -
random/pr12392.cpp 27.31% 808.32 MB 1.00 GB - 0.13% -
random/pr60243.c 19.20% 1.68 GB 2.00 GB - 0.03% -
random/pr29433.cpp 12.75% 334.61 MB 377.27 MB - -0.04% -
random/empty.C 5.35% 17.16 MB 18.08 MB - 1.87% -
random/pr12850.cpp 4.61% 568.05 MB 594.21 MB - -0.01% -
random/pr36291.cpp 3.87% 482.16 MB 500.80 MB - 0.17% -
random/empty.c 3.73% 16.21 MB 16.82 MB - 2.67% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text 970.49% 12.09 KB 129.39 KB - -0.11% -
random/pr12850.cpp/elf/sections/text 175.79% 33.93 KB 93.57 KB - -0.05% -
random/pr36439.cpp/elf 11.11% 1.57 MB 1.75 MB - -0.17% -
random/pr26854-2.c/elf/sections/text 7.17% 326.09 KB 349.47 KB - 3.04% -
random/pr12392.cpp/elf/sections/text 4.52% 386.45 KB 403.93 KB - 0.00% -
random/pr12850.cpp/elf 3.60% 3.28 MB 3.40 MB - 0.01% -
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 2.99% 89.03 KB 91.70 KB - 0.03% -
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/pr38518.c -72.46% 112.600 31.005 - 2.35% -
random/pr36262.c -72.15% 113.184 31.523 - 4.32% -
random/pr60243.c -69.57% 290.828 88.487 - 6.32% -
random/pr39326.c -39.30% 103.467 62.802 - -5.67% -
random/pr36291.cpp -3.10% 31.021 30.060 - 0.06% -
random/pr70614.c -2.51% 0.901 0.878 - -24.84% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c/elf -26.37% 955.34 KB 703.38 KB - -5.17% -
random/pr39326.c/elf/sections/text -5.12% 330.11 KB 313.22 KB - -4.87% -

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

Report Time: 0.14s