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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 20200815 (experimental) 661ee09b8ba949e88fcf085784e846b0254f0ac0
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 661ee09b8ba949e88fcf085784e846b0254f0ac0
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 1597450582000.661ee09b8ba949e88fcf085784e846b0254f0ac0 2020-08-15T07:41:16.623154 0:01:15.319626
Previous 1597424328000.320054784250e572cb75d6f69ab44b2330d61d8b 2020-08-14T20:50:04.180798 0:01:15.213941
Baseline 1543348665000.9b92780c8a3bee3cb13440f477cc2a6aef2ce191 2018-11-27T23:34:44.160312 0:01:14.615416

Tests Summary

Status Group # # (B)
Performance Regressions 1 25
Performance Improvements 2 11
Added Tests 3 3
Unchanged Tests 300 267
Total Tests 306

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c 2.66% 100.907 103.594 - 0.12% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c -25.39% 1.140 0.851 - -5.53% -
random/pr26854-2.c -6.10% 56.314 52.878 - 9.11% -

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 29.10% 31.580 40.771 - -1.99% -
random/pr36439.cpp 24.08% 27.756 34.440 - -1.66% -
random/pr26854-2.c 9.11% 48.464 52.878 - -6.10% -
random/pr29433.cpp 8.18% 3.004 3.250 - 0.10% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c 20.86% 1.68 GB 2.03 GB - 0.00% -
random/pr29433.cpp 12.20% 334.61 MB 375.43 MB - 0.02% -
random/pr12850.cpp 3.86% 568.05 MB 589.96 MB - 0.01% -
random/pr36291.cpp 3.25% 482.16 MB 497.81 MB - 0.00% -
random/pr12392.cpp 3.19% 808.32 MB 834.07 MB - -0.02% -
random/empty.C 2.84% 17.16 MB 17.65 MB - 0.36% -
random/pr70614.c 2.25% 60.68 MB 62.05 MB - 0.10% -
random/empty.c 2.10% 16.21 MB 16.55 MB - 0.38% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text 928.86% 12.09 KB 124.36 KB - 0.00% -
random/pr12850.cpp/elf/sections/text 170.86% 33.93 KB 91.90 KB - 0.00% -
random/pr36439.cpp/elf 11.01% 1.57 MB 1.75 MB - 0.00% -
random/pr36498.cpp/elf/sections/text 7.72% 383.31 KB 412.92 KB - 0.00% -
random/pr12850.cpp/elf 5.30% 3.28 MB 3.46 MB - 0.00% -
random/pr12392.cpp/elf/sections/text 4.18% 386.45 KB 402.61 KB - 0.00% -
random/pr36262.c/elf 3.43% 503.58 KB 520.84 KB - 0.00% -
random/pr38518.c/elf 3.43% 503.58 KB 520.84 KB - 0.00% -
random/pr39326.c/elf/sections/text 3.17% 330.11 KB 340.58 KB - 0.00% -
random/pr36498.cpp/elf 2.90% 1.55 MB 1.60 MB - 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 -73.92% 113.184 29.518 - 0.18% -
random/pr38518.c -73.75% 112.600 29.563 - -0.91% -
random/pr60243.c -72.05% 290.828 81.296 - -0.52% -
random/pr12392.cpp -20.48% 37.423 29.758 - 0.08% -
random/pr70614.c -5.53% 0.901 0.851 - -25.39% -
random/pr36291.cpp -2.52% 31.021 30.240 - 1.08% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -21.62% 1.57 GB 1.23 GB - -0.00% -
random/pr39326.c -12.62% 676.54 MB 591.20 MB - -0.00% -
random/pr36498.cpp -7.87% 385.14 MB 354.84 MB - 0.00% -
random/pr26854-2.c -4.29% 1.47 GB 1.40 GB - 0.00% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr26854-2.c/elf/sections/text -2.27% 326.09 KB 318.69 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: 0.46s