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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 20210106 (experimental) 758abf1ae3139a5e3d556fd2cc5636c813629547
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 758abf1ae3139a5e3d556fd2cc5636c813629547
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 1609931140000.758abf1ae3139a5e3d556fd2cc5636c813629547 2021-01-06T16:15:40.538637 0:01:20.558364
Previous 1609898090000.ac3966e315ada63eb379d560a012fa77c3909155 2021-01-06T05:19:15.993292 0:01:20.312210
Baseline 1543348665000.9b92780c8a3bee3cb13440f477cc2a6aef2ce191 2018-11-27T23:34:44.160312 0:01:14.615416

Tests Summary

Status Group # # (B)
Performance Regressions 4 24
Performance Improvements 2 7
Added Tests 3 3
Unchanged Tests 297 272
Total Tests 306

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr38518.c 5.38% 28.573 30.111 - -73.26% -
random/pr36262.c 5.26% 28.064 29.541 - -73.90% -
random/pr36439.cpp 3.84% 35.874 37.250 - 34.20% -
random/pr26854-2.c 3.08% 54.419 56.095 - 15.75% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c -26.75% 1.160 0.850 - -5.64% -
random/pr60243.c -4.36% 96.344 92.141 - -68.32% -

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 36.15% 37.423 50.953 - 1.30% -
random/pr12850.cpp 35.33% 31.580 42.736 - 0.60% -
random/pr36439.cpp 34.20% 27.756 37.250 - 3.84% -
random/pr26854-2.c 15.75% 48.464 56.095 - 3.08% -
random/pr29433.cpp 8.63% 3.004 3.264 - -0.51% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 105.94% 676.54 MB 1.36 GB - 0.00% -
random/pr60243.c 15.44% 1.68 GB 1.94 GB - -0.00% -
random/pr29433.cpp 11.36% 334.61 MB 372.62 MB - 0.00% -
random/pr12392.cpp 8.43% 808.32 MB 876.50 MB - -0.06% -
random/empty.C 7.06% 17.16 MB 18.38 MB - 0.02% -
random/pr12850.cpp 5.48% 568.05 MB 599.16 MB - 0.12% -
random/empty.c 4.46% 16.21 MB 16.93 MB - 0.02% -
random/pr36291.cpp 3.04% 482.16 MB 496.83 MB - 0.00% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text 972.78% 12.09 KB 129.67 KB - 0.00% -
random/pr12850.cpp/elf/sections/text 286.87% 33.93 KB 131.26 KB - 0.00% -
random/pr36439.cpp/elf 10.23% 1.57 MB 1.74 MB - 0.00% -
random/pr36262.c/elf 8.96% 503.58 KB 548.69 KB - 0.00% -
random/pr38518.c/elf 8.96% 503.58 KB 548.69 KB - 0.00% -
random/pr36262.c/elf/sections/text 8.36% 483.28 KB 523.69 KB - 0.00% -
random/pr38518.c/elf/sections/text 8.36% 483.28 KB 523.69 KB - 0.00% -
random/pr26854-2.c/elf/sections/text 6.39% 326.09 KB 346.93 KB - 0.00% -
random/pr12850.cpp/elf 5.64% 3.28 MB 3.47 MB - 0.00% -
random/pr12392.cpp/elf/sections/text 4.19% 386.45 KB 402.65 KB - 0.00% -
random/pr29433.cpp/elf 2.96% 89.03 KB 91.66 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -73.90% 113.184 29.541 - 5.26% -
random/pr38518.c -73.26% 112.600 30.111 - 5.38% -
random/pr60243.c -68.32% 290.828 92.141 - -4.36% -
random/pr39326.c -30.92% 103.467 71.478 - 0.34% -
random/pr70614.c -5.64% 0.901 0.850 - -26.75% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c/elf -24.75% 955.34 KB 718.88 KB - 0.00% -
random/pr39326.c/elf/sections/text -5.94% 330.11 KB 310.52 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: 0.24s