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

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) 12.0.0 20210510 (experimental) ea21f32198432a490dd490696322838d94b3d3b2
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 ea21f32198432a490dd490696322838d94b3d3b2
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
Filter

zenith.gcc-trunk-honza.Ofast test results

Run Order Start Time Duration
Current 1621188953000.ea21f32198432a490dd490696322838d94b3d3b2 2021-05-17T04:09:02.128571 0:00:51.015652
Previous 1621170081000.4f5431c5768bbba81a422f6fed6a6e2454c700ee 2021-05-16T16:49:02.025000 0:01:21.421261
Baseline 1543509871000.7db9606762e24d4a32ce052efdfdcf3139a23afb 2018-11-30T15:48:32.034939 0:01:11.029051


Tests Summary

Status Group # # (B)
Performance Regressions 0 18
Performance Improvements 15 17
Added Tests 3 3
Unchanged Tests 288 268
Total Tests 306

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c -70.63% 26.806 7.874 - -92.98% -
random/pr38518.c -69.79% 26.649 8.051 - -92.84% -
random/pr36439.cpp -6.14% 36.446 34.207 - 23.85% -
random/pr39326.c -3.11% 101.934 98.760 - -6.67% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c -66.60% 701.52 MB 234.28 MB - -92.06% -
random/pr38518.c -66.51% 699.77 MB 234.35 MB - -92.06% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c/elf -79.48% 521.66 KB 107.04 KB - -78.74% -
random/pr38518.c/elf -79.48% 521.66 KB 107.04 KB - -78.74% -
random/pr36262.c/elf/sections/text -79.03% 496.67 KB 104.15 KB - -78.45% -
random/pr38518.c/elf/sections/text -79.03% 496.67 KB 104.15 KB - -78.45% -
random/pr36439.cpp/elf/sections/text -17.44% 129.18 KB 106.65 KB - 782.35% -
random/pr26854-2.c/elf/sections/text -10.09% 346.88 KB 311.88 KB - -4.36% -
random/pr36439.cpp/elf -4.00% 1.74 MB 1.67 MB - 6.03% -
random/pr26854-2.c/elf -3.58% 985.46 KB 950.20 KB - -2.76% -
random/pr39326.c/elf/sections/text -2.67% 309.42 KB 301.17 KB - -8.77% -

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

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp 34.93% 31.575 42.606 - 0.39% -
random/pr70614.c 29.72% 0.900 1.168 - -0.20% -
random/pr36439.cpp 23.85% 27.621 34.207 - -6.14% -
random/pr29433.cpp 8.21% 2.994 3.240 - -0.20% -
random/pr26854-2.c 7.51% 48.289 51.914 - 0.61% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 92.01% 676.55 MB 1.27 GB - 0.10% -
random/pr60243.c 14.89% 1.68 GB 1.93 GB - 0.00% -
random/pr29433.cpp 11.98% 334.67 MB 374.77 MB - 0.24% -
random/empty.C 9.67% 17.17 MB 18.83 MB - 0.00% -
random/pr12850.cpp 5.25% 568.06 MB 597.88 MB - -0.39% -
random/empty.c 4.31% 16.22 MB 16.92 MB - 0.00% -
random/pr36291.cpp 2.63% 482.77 MB 495.46 MB - 0.03% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text 782.35% 12.09 KB 106.65 KB - -17.44% -
random/pr12850.cpp/elf/sections/text 279.82% 33.93 KB 128.87 KB - -1.93% -
random/pr36439.cpp/elf 6.03% 1.57 MB 1.67 MB - -4.00% -
random/pr12850.cpp/elf 5.03% 3.28 MB 3.45 MB - -0.78% -
random/pr12392.cpp/elf/sections/text 4.70% 386.45 KB 404.61 KB - 0.00% -
random/pr29433.cpp/elf 3.11% 89.03 KB 91.80 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -92.98% 112.092 7.874 - -70.63% -
random/pr38518.c -92.84% 112.422 8.051 - -69.79% -
random/pr60243.c -66.32% 288.096 97.037 - 0.22% -
random/pr12392.cpp -24.22% 37.649 28.529 - -0.07% -
random/pr39326.c -6.67% 105.821 98.760 - -3.11% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -92.06% 2.88 GB 234.35 MB - -66.51% -
random/pr36262.c -92.06% 2.88 GB 234.28 MB - -66.60% -
random/pr26854-2.c -34.76% 1.47 GB 979.94 MB - -0.20% -
random/pr12392.cpp -2.10% 808.50 MB 791.54 MB - 0.00% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c/elf -78.74% 503.58 KB 107.04 KB - -79.48% -
random/pr38518.c/elf -78.74% 503.58 KB 107.04 KB - -79.48% -
random/pr36262.c/elf/sections/text -78.45% 483.28 KB 104.15 KB - -79.03% -
random/pr38518.c/elf/sections/text -78.45% 483.28 KB 104.15 KB - -79.03% -
random/pr39326.c/elf -28.81% 955.34 KB 680.12 KB - -1.61% -
random/pr39326.c/elf/sections/text -8.77% 330.11 KB 301.17 KB - -2.67% -
random/pr26854-2.c/elf/sections/text -4.36% 326.09 KB 311.88 KB - -10.09% -
random/pr26854-2.c/elf -2.76% 977.16 KB 950.20 KB - -3.58% -

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


Report Time: 0.35s
Name Current %
random/empty.C 18.83 MB -
random/empty.c 16.92 MB -
random/pr12392.cpp 791.54 MB -
random/pr12850.cpp 597.88 MB -
random/pr26854-2.c 979.94 MB -
random/pr29433.cpp 374.77 MB -
random/pr36262.c 234.28 MB -66.60%
random/pr36291.cpp 495.46 MB -
random/pr36439.cpp 447.89 MB -
random/pr38518.c 234.35 MB -66.51%
random/pr39326.c 1.27 GB -
random/pr60243.c 1.93 GB -
random/pr70614.c 61.86 MB -
Geometric Mean 290.92 MB -15.51%