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: 39 bits physical, 48 bits virtual
CPU(s): 4
On-line CPU(s) list: 0-3
Thread(s) per core: 1
Core(s) per socket: 4
Socket(s): 1
NUMA node(s): 1
Vendor ID: GenuineIntel
CPU family: 6
Model: 158
Model name: Intel(R) Core(TM) i5-7400 CPU @ 3.00GHz
Stepping: 9
CPU MHz: 3254.746
CPU max MHz: 3500.0000
CPU min MHz: 800.0000
BogoMIPS: 6000.00
L1d cache: 128 KiB
L1i cache: 128 KiB
L2 cache: 1 MiB
L3 cache: 6 MiB
NUMA node0 CPU(s): 0-3
Vulnerability Itlb multihit: KVM: Vulnerable
Vulnerability L1tf: Mitigation; PTE Inversion
Vulnerability Mds: Mitigation; Clear CPU buffers; SMT disabled
Vulnerability Meltdown: Mitigation; PTI
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 generic retpoline, IBPB conditional, IBRS_FW, STIBP disabled, RSB filling
Vulnerability Srbds: Mitigation; Microcode
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 dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault invpcid_single pti ssbd ibrs ibpb stibp fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d
memory MemTotal: 8009880 kB

Fields

NameValue

Parameters

NameValue
as GNU assembler (GNU Binutils; home:marxin:branches:devel:gcc-bundle / openSUSE_Factory) 2.32
Copyright (C) 2019 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 20200605 (experimental) 6c6931a353a6c41b2c9eb4bd2abec540104e940f
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 6c6931a353a6c41b2c9eb4bd2abec540104e940f
glibc GNU C Library (GNU libc) stable release version 2.29 (git 56c86f5dd516).
Copyright (C) 2019 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 8.3.1 20190226 [gcc-8-branch revision 269204].
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; home:marxin:branches:devel:gcc-bundle / openSUSE_Factory) 2.32
options None
reason None
uname Linux kaby 5.0.9-1-default #1 SMP Sun Apr 21 06:42:32 UTC 2019 (7bd8353) x86_64 x86_64 x86_64 GNU/Linux
Filter

kaby.gcc-trunk.Ofast test results

Run Order Start Time Duration
Current 1591328650000.6c6931a353a6c41b2c9eb4bd2abec540104e940f 2020-06-05T07:30:55.989842 0:00:40.901132
Previous 1591272280000.43088bb4dadd3d14b6b594c5f9363fe879f3d7f7 2020-06-04T16:20:30.532977 0:00:40.864055
Baseline 1543354856000.b3df66f19fc14b161a2867119b1577b80e7de7f9 2018-11-28T02:32:26.696558 0:00:41.014395


Tests Summary

Status Group # # (B)
Performance Regressions 0 23
Performance Improvements 1 10
Added Tests 3 3
Unchanged Tests 302 270
Total Tests 306

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c -6.83% 51.656 48.130 - 18.10% -

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 28.93% 28.163 36.312 - -1.00% -
random/pr36439.cpp 24.02% 24.416 30.282 - -0.99% -
random/pr26854-2.c 18.10% 40.752 48.130 - -6.83% -
random/pr29433.cpp 3.63% 2.659 2.755 - 0.64% -
random/pr36291.cpp 2.67% 28.610 29.373 - 0.36% -
random/pr36498.cpp 2.63% 13.584 13.941 - -1.65% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c 20.79% 1.68 GB 2.02 GB - 0.00% -
random/empty.C 4.77% 17.11 MB 17.92 MB - 0.00% -
random/pr12392.cpp 2.86% 808.67 MB 831.80 MB - -0.02% -
random/pr12850.cpp 2.81% 568.00 MB 583.95 MB - 0.15% -
random/pr70614.c 2.73% 60.57 MB 62.22 MB - -0.34% -
random/empty.c 2.25% 16.17 MB 16.54 MB - -0.38% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text 930.22% 12.09 KB 124.52 KB - 0.00% -
random/pr12850.cpp/elf/sections/text 170.17% 33.93 KB 91.66 KB - 0.00% -
random/pr36439.cpp/elf 11.01% 1.57 MB 1.75 MB - 0.00% -
random/pr36498.cpp/elf/sections/text 7.90% 383.31 KB 413.61 KB - 0.00% -
random/pr12392.cpp/elf/sections/text 6.82% 386.45 KB 412.79 KB - 0.00% -
random/pr12850.cpp/elf 5.31% 3.28 MB 3.46 MB - 0.00% -
random/pr39326.c/elf/sections/text 3.02% 330.11 KB 340.08 KB - 0.00% -
random/pr36498.cpp/elf 2.97% 1.55 MB 1.60 MB - 0.00% -
random/pr29433.cpp/elf 2.74% 89.03 KB 91.47 KB - 0.00% -
random/pr36262.c/elf 2.34% 503.58 KB 515.35 KB - 0.00% -
random/pr38518.c/elf 2.34% 503.58 KB 515.35 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c -75.04% 260.528 65.040 - 1.49% -
random/pr36262.c -73.14% 93.470 25.104 - 0.04% -
random/pr38518.c -72.29% 90.734 25.146 - -1.27% -
random/pr12392.cpp -19.59% 31.626 25.429 - -0.96% -
random/pr39326.c -6.62% 93.314 87.137 - 0.25% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -21.14% 1.56 GB 1.23 GB - -0.00% -
random/pr39326.c -14.26% 675.98 MB 579.58 MB - 0.06% -
random/pr36498.cpp -8.14% 385.09 MB 353.76 MB - 0.02% -
random/pr26854-2.c -4.10% 1.47 GB 1.41 GB - -0.01% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr26854-2.c/elf/sections/text -2.29% 326.09 KB 318.62 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: 0.12s