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: 2400.021
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: 8009876 kB

Fields

NameValue

Parameters

NameValue
as GNU assembler (GNU Binutils; openSUSE Tumbleweed) 2.31
Copyright (C) 2018 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) 9.0.1 20190209 (experimental) 5256b0dd6ec0c5fcd98fb8b494084c1cc9a52da8
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.
git_revision 5256b0dd6ec0c5fcd98fb8b494084c1cc9a52da8
glibc GNU C Library (GNU libc) stable release version 2.27 (git 3260f6ce87b7).
Copyright (C) 2018 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 8.1.1 20180614 [gcc-8-branch revision 261584].
libc ABIs: UNIQUE IFUNC
For bug reporting instructions, please see:
<http://bugs.opensuse.org>.
glibc_location /lib64/libc.so.6
ld GNU ld (GNU Binutils; openSUSE Tumbleweed) 2.31
options None
reason None
uname Linux kaby 4.18.7-1-default #1 SMP PREEMPT Sun Sep 9 10:26:20 UTC 2018 (952d850) x86_64 x86_64 x86_64 GNU/Linux
Filter

kaby.gcc-trunk.O_g test results

Run Order Start Time Duration
Current 1549671939000.5256b0dd6ec0c5fcd98fb8b494084c1cc9a52da8 2019-02-09T06:52:14.027296 0:00:40.623379
Previous 1549584986000.4d7e9a0897a6c0dc557c97fcb2b1a460cc7f8008 2019-02-08T08:19:47.542554 0:00:40.890990
Baseline 1543354856000.b3df66f19fc14b161a2867119b1577b80e7de7f9 2018-11-28T02:32:26.696558 0:00:40.948825


Tests Summary

Status Group # # (B)
Performance Regressions 0 17
Performance Improvements 1 14
Added Tests 3 3
Unchanged Tests 338 308
Total Tests 342

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c -2.59% 12.159 11.843 - 1.99% -

Added Tests - size
random/empty.c/elf/sections/text
random/empty.C/elf/sections/text
random/pr36439.cpp/elf/sections/text

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp 31.06% 12.616 16.535 - -0.38% -
random/pr28071.c 20.55% 39.052 47.076 - 0.34% -
random/pr12850.cpp 17.86% 37.113 43.740 - -0.74% -
random/pr36439.cpp 15.67% 19.131 22.130 - -1.24% -
random/pr12392.cpp 8.65% 34.237 37.199 - -0.85% -
random/pr26854.c 7.37% 87.346 93.785 - -0.09% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c 18.69% 803.88 MB 954.13 MB - 0.00% -
random/pr36498.cpp 9.19% 473.07 MB 516.53 MB - 0.11% -
random/pr12392.cpp 4.72% 929.29 MB 973.17 MB - 0.06% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf 25.43% 13.78 MB 17.28 MB - 0.00% -
random/pr28071.c/elf 23.61% 2.22 MB 2.75 MB - 0.00% -
random/pr36498.cpp/elf/sections/text 19.48% 399.02 KB 476.74 KB - 0.00% -
random/pr36439.cpp/elf 15.70% 12.25 MB 14.17 MB - -0.00% -
random/pr28071.c/elf/sections/text 15.46% 563.13 KB 650.21 KB - 0.00% -
random/pr12392.cpp/elf/sections/text 12.64% 563.08 KB 634.25 KB - 0.00% -
random/pr12850.cpp/elf 10.94% 31.23 MB 34.64 MB - 0.00% -
random/pr39326.c/elf/sections/text 2.78% 321.27 KB 330.20 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -4.56% 6.435 6.142 - 0.31% -
random/pr36262.c -3.23% 6.349 6.144 - -0.06% -
random/pr69609.c -2.65% 29.570 28.785 - -1.30% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c -21.31% 564.86 MB 444.49 MB - 0.03% -
random/pr36439.cpp -6.51% 516.86 MB 483.20 MB - 0.11% -
random/pr36262.c -3.44% 216.07 MB 208.62 MB - 0.00% -
random/pr38518.c -3.44% 216.05 MB 208.62 MB - 0.00% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -20.43% 21.14 MB 16.82 MB - -0.00% -
random/pr12850.cpp/elf/sections/text -12.50% 33.93 KB 29.69 KB - 0.00% -
random/pr36262.c/elf/sections/text -4.83% 113.27 KB 107.80 KB - 0.00% -
random/pr38518.c/elf/sections/text -4.83% 113.27 KB 107.80 KB - 0.00% -
random/pr81827.f90/elf/sections/text -2.43% 5.28 MB 5.15 MB - 0.00% -
random/pr36262.c/elf -2.28% 368.81 KB 360.42 KB - 0.00% -
random/pr38518.c/elf -2.27% 368.62 KB 360.25 KB - 0.00% -

Added Tests - size
random/empty.c/elf/sections/text
random/empty.C/elf/sections/text
random/pr36439.cpp/elf/sections/text


Report Time: 0.09s
Name Current %
random/empty.c/elf 1.31 KB -
random/empty.C/elf 1.32 KB -
random/empty.c/elf/sections/text 0.00 B -
random/empty.C/elf/sections/text 0.00 B -
random/pr12392.cpp/elf 16.82 MB -
random/pr12392.cpp/elf/sections/text 634.25 KB -
random/pr12850.cpp/elf 34.64 MB -
random/pr12850.cpp/elf/sections/text 29.69 KB -
random/pr26854-2.c/elf 1.59 MB -
random/pr26854-2.c/elf/sections/text 307.70 KB -
random/pr26854.c/elf 4.26 MB -
random/pr26854.c/elf/sections/text 1.12 MB -
random/pr28071.c/elf 2.75 MB -
random/pr28071.c/elf/sections/text 650.21 KB -
random/pr29433.cpp/elf 1.46 MB -
random/pr29433.cpp/elf/sections/text 726.00 B -
random/pr36262.c/elf 360.42 KB -
random/pr36262.c/elf/sections/text 107.80 KB -
random/pr36291.cpp/elf 12.05 MB -
random/pr36291.cpp/elf/sections/text 786.08 KB -
random/pr36439.cpp/elf 14.17 MB -
random/pr36439.cpp/elf/sections/text 0.00 B -
random/pr36498.cpp/elf 17.28 MB -
random/pr36498.cpp/elf/sections/text 476.74 KB -
random/pr37448.c/elf 14.43 MB -
random/pr37448.c/elf/sections/text 1.94 MB -
random/pr38518.c/elf 360.25 KB -
random/pr38518.c/elf/sections/text 107.80 KB -
random/pr39326.c/elf 1.47 MB -
random/pr39326.c/elf/sections/text 330.20 KB -
random/pr60243.c/elf 17.54 MB -
random/pr60243.c/elf/sections/text 3.33 MB -
random/pr69609.c/elf 1.56 MB -
random/pr69609.c/elf/sections/text 404.98 KB -
random/pr70614.c/elf 128.96 KB -
random/pr70614.c/elf/sections/text 25.03 KB -
random/pr81827.f90/elf 7.27 MB -
random/pr81827.f90/elf/sections/text 5.15 MB -
Geometric Mean 120.49 KB -83.38%