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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: 2800.000
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) 2.36.1.20210326-4
Copyright (C) 2021 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) 12.0.0 20210826 (experimental) 9e55cc83b4a8e9dc3b0e3ebd38fb84fba9a71862
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 9e55cc83b4a8e9dc3b0e3ebd38fb84fba9a71862
glibc GNU C Library (GNU libc) release release version 2.33 (git 9826b03b74).
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.
Configured for x86_64-suse-linux.
Compiled by GNU CC version 11.1.1 20210510 [revision 23855a176609fe8dda6abaf2b21846b4517966eb].
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) 2.36.1.20210326-4
options None
reason None
uname Linux zenith 5.12.9-1-default #1 SMP Thu Jun 3 07:44:58 UTC 2021 (f17eb01) x86_64 x86_64 x86_64 GNU/Linux
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zenith.gcc-trunk-honza.Ofast test results

Run Order Start Time Duration
Current 1629990147000.9e55cc83b4a8e9dc3b0e3ebd38fb84fba9a71862 2021-08-27T01:22:15.502060 0:01:16.984632
Previous 1628949797000.18f1dc73f03bae1dce8304cbb50cb7b7cb3a9078 2021-08-15T03:22:31.357998 0:01:21.002929
Baseline 1543509871000.7db9606762e24d4a32ce052efdfdcf3139a23afb 2018-11-30T15:48:32.034939 0:01:11.029051

Tests Summary

Status Group # # (B)
Performance Regressions 5 23
Performance Improvements 2 12
Added Tests 3 3
Unchanged Tests 296 268
Total Tests 306

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr29433.cpp 16.82% 3.209 3.749 - 25.19% -
random/pr12392.cpp 12.06% 28.057 31.441 - -16.49% -
random/pr36291.cpp 8.92% 31.645 34.469 - 10.50% -
random/pr12850.cpp 3.76% 43.564 45.201 - 43.15% -
random/pr36439.cpp 2.56% 37.922 38.891 - 40.81% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr60243.c -4.02% 98.211 94.264 - -67.28% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/empty.C -2.72% 19.41 MB 18.89 MB - 10.01% -

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 43.15% 31.575 45.201 - 3.76% -
random/pr36439.cpp 40.81% 27.621 38.891 - 2.56% -
random/pr29433.cpp 25.19% 2.994 3.749 - 16.82% -
random/pr36291.cpp 10.50% 31.195 34.469 - 8.92% -
random/pr26854-2.c 5.34% 48.289 50.869 - -1.69% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 94.18% 676.55 MB 1.28 GB - 0.01% -
random/pr60243.c 16.59% 1.68 GB 1.95 GB - 1.53% -
random/empty.C 10.01% 17.17 MB 18.89 MB - -2.72% -
random/pr29433.cpp 9.09% 334.67 MB 365.11 MB - 0.05% -
random/empty.c 7.03% 16.22 MB 17.36 MB - 0.09% -
random/pr12850.cpp 5.63% 568.06 MB 600.05 MB - 0.28% -
random/pr36291.cpp 3.84% 482.77 MB 501.30 MB - -0.03% -
random/pr70614.c 2.55% 60.69 MB 62.23 MB - 0.35% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text 1106.92% 12.09 KB 145.88 KB - 0.00% -
random/pr12850.cpp/elf/sections/text 288.16% 33.93 KB 131.69 KB - 0.01% -
random/pr36439.cpp/elf 12.32% 1.57 MB 1.77 MB - 0.01% -
random/pr36262.c/elf 9.21% 503.58 KB 549.95 KB - 0.05% -
random/pr38518.c/elf 9.21% 503.58 KB 549.95 KB - 0.05% -
random/pr26854-2.c/elf/sections/text 6.45% 326.09 KB 347.13 KB - 1.89% -
random/pr36262.c/elf/sections/text 5.90% 483.28 KB 511.81 KB - 0.03% -
random/pr38518.c/elf/sections/text 5.90% 483.28 KB 511.81 KB - 0.03% -
random/pr12392.cpp/elf/sections/text 5.22% 386.45 KB 406.62 KB - 0.00% -
random/pr12850.cpp/elf 5.03% 3.28 MB 3.45 MB - 0.01% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -74.86% 112.422 28.266 - -0.00% -
random/pr36262.c -74.53% 112.092 28.552 - 1.14% -
random/pr60243.c -67.28% 288.096 94.264 - -4.02% -
random/pr12392.cpp -16.49% 37.649 31.441 - 12.06% -
random/pr39326.c -5.32% 105.821 100.192 - -0.85% -
random/pr70614.c -4.83% 0.900 0.857 - -0.25% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -76.18% 2.88 GB 703.06 MB - 0.43% -
random/pr36262.c -76.16% 2.88 GB 703.28 MB - 0.50% -
random/pr12392.cpp -35.01% 808.50 MB 525.47 MB - 0.34% -
random/pr26854-2.c -34.14% 1.47 GB 989.24 MB - 0.23% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c/elf -27.87% 955.34 KB 689.12 KB - 0.00% -
random/pr39326.c/elf/sections/text -6.86% 330.11 KB 307.45 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: 0.09s