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: 2400.035
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; openSUSE Tumbleweed) 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) 10.0.0 20190516 (experimental) 1f6baa77d829614f2ce0400d9966e1538e43931e
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 1f6baa77d829614f2ce0400d9966e1538e43931e
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; openSUSE Tumbleweed) 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.O_g test results

Run Order Start Time Duration
Current 1557965785000.1f6baa77d829614f2ce0400d9966e1538e43931e 2019-05-16T08:13:05.561279 0:00:42.128970
Previous 1557879376000.e0fab10b9bb66bf41d23a8b04c9de84781800541 2019-05-15T08:12:57.683239 0:00:41.321081
Baseline 1543354856000.b3df66f19fc14b161a2867119b1577b80e7de7f9 2018-11-28T02:32:26.696558 0:00:40.948825


Tests Summary

Status Group # # (B)
Performance Regressions 0 20
Performance Improvements 2 17
Added Tests 3 3
Unchanged Tests 337 302
Total Tests 342

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp -2.95% 37.981 36.859 - 7.66% -
random/pr26854-2.c -2.57% 10.877 10.597 - -8.74% -

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/pr28071.c 51.14% 39.052 59.024 - 0.84% -
random/pr36498.cpp 32.62% 12.616 16.731 - -0.15% -
random/pr12850.cpp 17.19% 37.113 43.495 - -0.24% -
random/pr36439.cpp 14.14% 19.131 21.836 - -0.68% -
random/pr12392.cpp 7.66% 34.237 36.859 - -2.95% -
random/pr37448.c 2.70% 53.750 55.201 - -1.61% -
random/pr36291.cpp 2.50% 18.998 19.473 - -0.05% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c 16.92% 803.88 MB 939.88 MB - 0.01% -
random/pr12850.cpp 8.19% 909.04 MB 983.45 MB - 0.08% -
random/pr12392.cpp 5.71% 929.29 MB 982.35 MB - 0.01% -
random/pr36498.cpp 4.84% 473.07 MB 495.96 MB - 0.03% -
random/pr37448.c 2.60% 1.89 GB 1.94 GB - 0.11% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf 25.29% 13.78 MB 17.26 MB - 0.01% -
random/pr28071.c/elf 23.50% 2.22 MB 2.74 MB - 0.00% -
random/pr36498.cpp/elf/sections/text 19.54% 399.02 KB 476.99 KB - 0.00% -
random/pr36439.cpp/elf 15.54% 12.25 MB 14.15 MB - 0.23% -
random/pr28071.c/elf/sections/text 15.39% 563.13 KB 649.81 KB - 0.00% -
random/pr12392.cpp/elf/sections/text 12.61% 563.08 KB 634.11 KB - 0.00% -
random/pr12850.cpp/elf 10.77% 31.23 MB 34.59 MB - 0.52% -
random/pr39326.c/elf/sections/text 5.01% 321.27 KB 337.36 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -47.38% 6.435 3.386 - -0.84% -
random/pr36262.c -46.54% 6.349 3.394 - -0.37% -
random/pr69609.c -46.20% 29.570 15.907 - 1.10% -
random/pr81827.f90 -30.28% 293.546 204.657 - 0.14% -
random/pr26854-2.c -8.74% 11.612 10.597 - -2.57% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c -22.03% 564.86 MB 440.41 MB - -0.03% -
random/pr36439.cpp -5.70% 516.86 MB 487.39 MB - 0.36% -
random/empty.c -4.86% 16.41 MB 15.61 MB - -0.70% -
random/pr36262.c -2.81% 216.07 MB 209.99 MB - -0.03% -
random/pr38518.c -2.81% 216.05 MB 209.98 MB - 0.20% -
random/pr69609.c -2.29% 529.40 MB 517.26 MB - 0.06% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -20.45% 21.14 MB 16.82 MB - 0.00% -
random/pr12850.cpp/elf/sections/text -13.15% 33.93 KB 29.47 KB - 0.00% -
random/pr81827.f90/elf/sections/text -7.25% 5.28 MB 4.90 MB - 0.00% -
random/pr81827.f90/elf -5.30% 7.41 MB 7.01 MB - -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% -

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


Report Time: 0.22s
Name Current %
random/empty.c/elf 1.32 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 634.11 KB -
random/pr12850.cpp/elf 34.59 MB -
random/pr12850.cpp/elf/sections/text 29.47 KB -
random/pr26854-2.c/elf 1.59 MB -
random/pr26854-2.c/elf/sections/text 306.88 KB -
random/pr26854.c/elf 4.26 MB -
random/pr26854.c/elf/sections/text 1.12 MB -
random/pr28071.c/elf 2.74 MB -
random/pr28071.c/elf/sections/text 649.81 KB -
random/pr29433.cpp/elf 1.46 MB -
random/pr29433.cpp/elf/sections/text 726.00 B -
random/pr36262.c/elf 361.92 KB -
random/pr36262.c/elf/sections/text 107.80 KB -
random/pr36291.cpp/elf 11.97 MB -
random/pr36291.cpp/elf/sections/text 784.56 KB -
random/pr36439.cpp/elf 14.15 MB -
random/pr36439.cpp/elf/sections/text 0.00 B -
random/pr36498.cpp/elf 17.26 MB -
random/pr36498.cpp/elf/sections/text 476.99 KB -
random/pr37448.c/elf 14.43 MB -
random/pr37448.c/elf/sections/text 1.94 MB -
random/pr38518.c/elf 361.71 KB -
random/pr38518.c/elf/sections/text 107.80 KB -
random/pr39326.c/elf 1.47 MB -
random/pr39326.c/elf/sections/text 337.36 KB -
random/pr60243.c/elf 17.54 MB -
random/pr60243.c/elf/sections/text 3.33 MB -
random/pr69609.c/elf 1.57 MB -
random/pr69609.c/elf/sections/text 404.96 KB -
random/pr70614.c/elf 129.06 KB -
random/pr70614.c/elf/sections/text 25.05 KB -
random/pr81827.f90/elf 7.01 MB -
random/pr81827.f90/elf/sections/text 4.90 MB -
Geometric Mean 120.25 KB -83.37%