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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) 2.34.0.20200325-1
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 20201120 (experimental) 94b9afeac33475566c27cf9458e06480ee06b8e5
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 94b9afeac33475566c27cf9458e06480ee06b8e5
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-honza.Ofast test results

Run Order Start Time Duration
Current 1606233176000.94b9afeac33475566c27cf9458e06480ee06b8e5 2020-11-24T23:39:11.349543 0:01:20.608892
Previous 1606154402000.5a5e53fdb29042bbfc662eba9960d04e906cd553 2020-11-24T12:04:22.750165 0:01:20.458152
Baseline 1543509871000.7db9606762e24d4a32ce052efdfdcf3139a23afb 2018-11-30T15:48:32.034939 0:01:11.029051

Tests Summary

Status Group # # (B)
Performance Regressions 7 26
Performance Improvements 3 8
Added Tests 3 3
Unchanged Tests 293 269
Total Tests 306

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr29433.cpp 9.70% 3.259 3.576 - 19.41% -
random/pr36439.cpp 5.11% 34.963 36.751 - 33.06% -
random/pr38518.c 4.73% 28.082 29.410 - -73.84% -
random/pr26854-2.c 4.50% 52.168 54.516 - 12.89% -
random/pr36262.c 4.32% 28.060 29.271 - -73.89% -
random/pr36291.cpp 3.38% 30.215 31.236 - 0.13% -
random/pr70614.c 2.41% 0.849 0.870 - -3.39% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr60243.c -3.76% 96.545 92.916 - -67.75% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp/elf/sections/text -29.04% 91.54 KB 64.96 KB - 91.46% -
random/pr12850.cpp/elf -2.47% 3.45 MB 3.37 MB - 2.59% -

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 37.60% 37.649 51.806 - 1.00% -
random/pr36439.cpp 33.06% 27.621 36.751 - 5.11% -
random/pr12850.cpp 32.78% 31.575 41.927 - 1.34% -
random/pr29433.cpp 19.41% 2.994 3.576 - 9.70% -
random/pr26854-2.c 12.89% 48.289 54.516 - 4.50% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 106.03% 676.55 MB 1.36 GB - 0.02% -
random/pr12392.cpp 26.88% 808.50 MB 1.00 GB - 0.01% -
random/pr60243.c 15.47% 1.68 GB 1.94 GB - 0.04% -
random/pr29433.cpp 11.92% 334.67 MB 374.55 MB - 0.02% -
random/empty.C 6.55% 17.17 MB 18.29 MB - 0.06% -
random/pr12850.cpp 4.11% 568.06 MB 591.44 MB - 0.34% -
random/empty.c 3.90% 16.22 MB 16.85 MB - 0.07% -
random/pr70614.c 3.47% 60.69 MB 62.79 MB - 0.00% -
random/pr36291.cpp 3.35% 482.77 MB 498.97 MB - 0.53% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text 971.76% 12.09 KB 129.54 KB - 0.30% -
random/pr12850.cpp/elf/sections/text 91.46% 33.93 KB 64.96 KB - -29.04% -
random/pr26854-2.c/elf/sections/text 12.54% 326.09 KB 366.97 KB - 0.00% -
random/pr36439.cpp/elf 10.26% 1.57 MB 1.74 MB - -0.57% -
random/pr12392.cpp/elf/sections/text 4.46% 386.45 KB 403.70 KB - 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/pr26854-2.c/elf 2.90% 977.16 KB 1005.50 KB - 0.00% -
random/pr12850.cpp/elf 2.59% 3.28 MB 3.37 MB - -2.47% -
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% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -73.89% 112.092 29.271 - 4.32% -
random/pr38518.c -73.84% 112.422 29.410 - 4.73% -
random/pr60243.c -67.75% 288.096 92.916 - -3.76% -
random/pr39326.c -33.43% 105.821 70.441 - 1.16% -
random/pr70614.c -3.39% 0.900 0.870 - 2.41% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr26854-2.c -17.98% 1.47 GB 1.20 GB - 0.04% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c/elf -24.69% 955.34 KB 719.43 KB - 0.00% -
random/pr39326.c/elf/sections/text -5.76% 330.11 KB 311.11 KB - 0.00% -

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

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