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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 20200806 (experimental) aa5ea20c2bf5f730acb3d161978d70559705400c
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 aa5ea20c2bf5f730acb3d161978d70559705400c
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 1596672986000.aa5ea20c2bf5f730acb3d161978d70559705400c 2020-08-06T07:28:19.999350 0:01:15.880553
Previous 1595382406000.fb1de6a8543f4d7a63149bf99b54037315b8c3bb 2020-07-22T05:22:05.438541 0:01:15.362148
Baseline 1543348665000.9b92780c8a3bee3cb13440f477cc2a6aef2ce191 2018-11-27T23:34:44.160312 0:01:14.615416

Tests Summary

Status Group # # (B)
Performance Regressions 5 24
Performance Improvements 5 11
Added Tests 3 3
Unchanged Tests 293 268
Total Tests 306

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr60243.c 11.81% 81.770 91.426 - -68.56% -
random/pr36262.c 8.16% 28.904 31.263 - -72.38% -
random/pr38518.c 7.87% 29.246 31.546 - -71.98% -
random/pr36439.cpp 3.65% 34.931 36.205 - 30.44% -
random/pr26854-2.c 3.61% 54.899 56.879 - 17.36% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp -7.05% 31.872 29.623 - -4.51% -
random/pr39326.c -4.23% 109.428 104.804 - 1.29% -
random/pr70614.c -4.10% 0.905 0.868 - -3.59% -
random/pr29433.cpp -3.00% 3.344 3.244 - 7.97% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/empty.C -2.06% 18.36 MB 17.98 MB - 4.76% -

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/pr36439.cpp 30.44% 27.756 36.205 - 3.65% -
random/pr12850.cpp 30.05% 31.580 41.070 - -1.90% -
random/pr26854-2.c 17.36% 48.464 56.879 - 3.61% -
random/pr29433.cpp 7.97% 3.004 3.244 - -3.00% -
random/pr28071.c 2.99% 73.554 75.752 - 1.64% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c 20.85% 1.68 GB 2.03 GB - 0.07% -
random/pr29433.cpp 12.15% 334.61 MB 375.27 MB - 1.94% -
random/empty.C 4.76% 17.16 MB 17.98 MB - -2.06% -
random/pr12392.cpp 3.75% 808.32 MB 838.62 MB - -0.38% -
random/pr12850.cpp 3.65% 568.05 MB 588.80 MB - -1.51% -
random/pr36291.cpp 3.23% 482.16 MB 497.75 MB - 1.52% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text 931.12% 12.09 KB 124.63 KB - 0.04% -
random/pr12850.cpp/elf/sections/text 170.12% 33.93 KB 91.65 KB - -0.03% -
random/pr36439.cpp/elf 11.05% 1.57 MB 1.75 MB - 0.03% -
random/pr36498.cpp/elf/sections/text 7.85% 383.31 KB 413.39 KB - -0.06% -
random/pr12392.cpp/elf/sections/text 6.10% 386.45 KB 410.03 KB - -0.66% -
random/pr12850.cpp/elf 5.29% 3.28 MB 3.46 MB - 0.00% -
random/pr36262.c/elf 3.43% 503.58 KB 520.84 KB - 0.84% -
random/pr38518.c/elf 3.43% 503.58 KB 520.84 KB - 0.84% -
random/pr39326.c/elf/sections/text 3.17% 330.11 KB 340.58 KB - 0.00% -
random/pr36498.cpp/elf 2.94% 1.55 MB 1.60 MB - -0.02% -
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 - 0.73% -
random/pr38518.c/elf/sections/text 2.56% 483.28 KB 495.65 KB - 0.73% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -72.38% 113.184 31.263 - 8.16% -
random/pr38518.c -71.98% 112.600 31.546 - 7.87% -
random/pr60243.c -68.56% 290.828 91.426 - 11.81% -
random/pr12392.cpp -19.18% 37.423 30.246 - -1.80% -
random/pr36291.cpp -4.51% 31.021 29.623 - -7.05% -
random/pr70614.c -3.59% 0.901 0.868 - -4.10% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -21.63% 1.57 GB 1.23 GB - 0.01% -
random/pr39326.c -12.63% 676.54 MB 591.08 MB - 0.09% -
random/pr36498.cpp -7.97% 385.14 MB 354.46 MB - 0.24% -
random/pr26854-2.c -4.30% 1.47 GB 1.40 GB - -0.11% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr26854-2.c/elf/sections/text -2.25% 326.09 KB 318.74 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: 0.16s