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: 2178.545
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) 9.0.0 20190108 (experimental) b2d143e007e42fe2ec1fffbba781a921c3f8e2d1
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 b2d143e007e42fe2ec1fffbba781a921c3f8e2d1
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-honza.O_g test results

Run Order Start Time Duration
Current 1547318663000.b2d143e007e42fe2ec1fffbba781a921c3f8e2d1 2019-01-13T11:53:51.459492 0:00:40.306751
Previous 1547232128000.59d37f533de89fbdd27a47ddaa344277c7783986 2019-01-12T13:13:12.609214 0:00:41.244361
Baseline 1543418663000.76774f4acec2ffd137338a13eb4e2ae30bb97daf 2018-11-29T01:03:57.564070 0:00:40.926652


Tests Summary

Status Group # # (B)
Performance Regressions 17 15
Performance Improvements 1 13
Added Tests 3 3
Unchanged Tests 321 311
Total Tests 342

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp 23.89% 12.954 16.049 - 26.98% -
random/pr28071.c 20.34% 39.064 47.008 - 19.39% -
random/pr12850.cpp 15.76% 37.886 43.857 - 17.76% -
random/pr12392.cpp 12.34% 33.318 37.428 - 9.50% -
random/pr36439.cpp 10.50% 20.247 22.373 - 16.04% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c 19.72% 797.64 MB 954.93 MB - 18.81% -
random/pr36439.cpp 5.46% 471.40 MB 497.14 MB - -3.73% -
random/pr12392.cpp 3.43% 939.50 MB 971.70 MB - 4.56% -
random/pr12850.cpp 2.03% 905.04 MB 923.40 MB - 1.56% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp/elf 25.75% 13.71 MB 17.24 MB - 25.12% -
random/pr28071.c/elf 23.34% 2.23 MB 2.75 MB - 23.61% -
random/pr12392.cpp/elf/sections/text 16.55% 544.27 KB 634.35 KB - 12.66% -
random/pr28071.c/elf/sections/text 15.29% 563.98 KB 650.21 KB - 15.46% -
random/pr12850.cpp/elf/sections/text 14.62% 25.90 KB 29.69 KB - -12.50% -
random/pr12850.cpp/elf 14.21% 30.31 MB 34.61 MB - 10.84% -
random/pr36498.cpp/elf/sections/text 14.18% 402.54 KB 459.63 KB - 15.19% -
random/pr36439.cpp/elf 11.52% 12.74 MB 14.21 MB - 15.97% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp/elf -19.13% 20.79 MB 16.81 MB - -20.49% -

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 26.98% 12.638 16.049 - 23.89% -
random/pr28071.c 19.39% 39.375 47.008 - 20.34% -
random/pr12850.cpp 17.76% 37.244 43.857 - 15.76% -
random/pr36439.cpp 16.04% 19.280 22.373 - 10.50% -
random/pr12392.cpp 9.50% 34.181 37.428 - 12.34% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c 18.81% 803.71 MB 954.93 MB - 19.72% -
random/pr12392.cpp 4.56% 929.35 MB 971.70 MB - 3.43% -
random/pr36498.cpp 2.98% 472.67 MB 486.77 MB - 0.81% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf 25.12% 13.78 MB 17.24 MB - 25.75% -
random/pr28071.c/elf 23.61% 2.22 MB 2.75 MB - 23.34% -
random/pr36439.cpp/elf 15.97% 12.25 MB 14.21 MB - 11.52% -
random/pr28071.c/elf/sections/text 15.46% 563.13 KB 650.21 KB - 15.29% -
random/pr36498.cpp/elf/sections/text 15.19% 399.02 KB 459.63 KB - 14.18% -
random/pr12392.cpp/elf/sections/text 12.66% 563.08 KB 634.35 KB - 16.55% -
random/pr12850.cpp/elf 10.84% 31.23 MB 34.61 MB - 14.21% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -4.23% 6.410 6.139 - 0.21% -
random/pr39326.c -3.97% 126.924 121.887 - 0.20% -
random/pr36262.c -3.92% 6.359 6.109 - -0.35% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp -3.73% 516.39 MB 497.14 MB - 5.46% -
random/pr38518.c -3.22% 215.38 MB 208.45 MB - 0.00% -
random/pr36262.c -3.05% 215.39 MB 208.83 MB - 0.00% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -20.49% 21.14 MB 16.81 MB - -19.13% -
random/pr12850.cpp/elf/sections/text -12.50% 33.93 KB 29.69 KB - 14.62% -
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 360.41 KB - 0.00% -
random/pr38518.c/elf -2.27% 368.62 KB 360.24 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: 0.11s
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 16.81 MB -19.13%
random/pr12392.cpp/elf/sections/text 634.35 KB 16.55%
random/pr12850.cpp/elf 34.61 MB 14.21%
random/pr12850.cpp/elf/sections/text 29.69 KB 14.62%
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 23.34%
random/pr28071.c/elf/sections/text 650.21 KB 15.29%
random/pr29433.cpp/elf 1.46 MB -
random/pr29433.cpp/elf/sections/text 726.00 B -
random/pr36262.c/elf 360.41 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 14.21 MB 11.52%
random/pr36439.cpp/elf/sections/text 0.00 B -
random/pr36498.cpp/elf 17.24 MB 25.75%
random/pr36498.cpp/elf/sections/text 459.63 KB 14.18%
random/pr37448.c/elf 14.43 MB -
random/pr37448.c/elf/sections/text 1.94 MB -
random/pr38518.c/elf 360.24 KB -
random/pr38518.c/elf/sections/text 107.80 KB -
random/pr39326.c/elf 1.46 MB -
random/pr39326.c/elf/sections/text 321.21 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 120.25 KB -82.87%