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: 2800.026
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) 2.34.0.20200325-1
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) 11.0.0 20200731 (experimental) 8c00059ce058ea2aec2933319e270f5443b8b909
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 8c00059ce058ea2aec2933319e270f5443b8b909
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 kaby 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

kaby.gcc-trunk.O_g test results

Run Order Start Time Duration
Current 1596162101000.8c00059ce058ea2aec2933319e270f5443b8b909 2020-07-31T07:31:07.051986 0:00:41.334263
Previous 1596074804000.2c58f5cadfac338a67723fd6e41c9097760c4a33 2020-07-30T07:31:06.254390 0:00:41.507832
Baseline 1543354856000.b3df66f19fc14b161a2867119b1577b80e7de7f9 2018-11-28T02:32:26.696558 0:00:40.948825


Tests Summary

Status Group # # (B)
Performance Regressions 2 20
Performance Improvements 0 25
Added Tests 3 3
Unchanged Tests 337 294
Total Tests 342

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854.c 7.87% 87.278 94.145 - 7.78% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp 4.42% 596.30 MB 622.65 MB - 7.30% -

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/pr70614.c 3205.08% 0.586 19.370 - -0.01% -
random/pr36498.cpp 32.39% 12.616 16.702 - 0.19% -
random/pr12850.cpp 13.00% 37.113 41.936 - 1.87% -
random/pr36439.cpp 12.24% 19.131 21.473 - 0.52% -
random/pr26854.c 7.78% 87.346 94.145 - 7.87% -
random/pr29433.cpp 7.29% 13.281 14.249 - 0.51% -
random/pr36291.cpp 5.82% 18.998 20.104 - 0.89% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp 17.15% 473.07 MB 554.21 MB - -0.06% -
random/pr36291.cpp 7.30% 580.29 MB 622.65 MB - 4.42% -
random/empty.C 5.26% 17.29 MB 18.20 MB - -0.68% -
random/pr70614.c 2.51% 53.69 MB 55.04 MB - -0.12% -
random/pr29433.cpp 2.18% 1.92 GB 1.96 GB - 0.06% -
random/empty.c 2.17% 16.41 MB 16.77 MB - -0.02% -
random/pr12850.cpp 2.11% 909.04 MB 928.18 MB - 1.40% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c/elf 22.81% 2.22 MB 2.73 MB - 0.00% -
random/pr36498.cpp/elf 22.52% 13.78 MB 16.88 MB - 0.00% -
random/pr36498.cpp/elf/sections/text 14.85% 399.02 KB 458.26 KB - 0.00% -
random/pr28071.c/elf/sections/text 14.59% 563.13 KB 645.28 KB - 0.00% -
random/pr36439.cpp/elf 5.54% 12.25 MB 12.93 MB - 0.00% -
random/pr39326.c/elf/sections/text 2.82% 321.27 KB 330.35 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/empty.C -58.10% 0.036 0.015 - 0.98% -
random/pr38518.c -48.04% 6.435 3.344 - 0.07% -
random/pr36262.c -47.35% 6.349 3.343 - 0.04% -
random/pr69609.c -42.08% 29.570 17.125 - 1.00% -
random/pr12392.cpp -30.70% 34.237 23.725 - 0.06% -
random/pr60243.c -11.76% 159.546 140.781 - 0.49% -
random/pr26854-2.c -3.63% 11.612 11.191 - 1.33% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -21.26% 929.29 MB 731.74 MB - 0.05% -
random/pr39326.c -18.31% 564.86 MB 461.45 MB - -0.01% -
random/pr36262.c -11.19% 216.07 MB 191.90 MB - -0.03% -
random/pr38518.c -11.17% 216.05 MB 191.93 MB - -0.03% -
random/pr26854-2.c -4.57% 381.07 MB 363.66 MB - -0.07% -
random/pr69609.c -3.43% 529.40 MB 511.23 MB - -0.01% -
random/pr26854.c -2.69% 1.11 GB 1.08 GB - -0.00% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -55.25% 21.14 MB 9.46 MB - -0.00% -
random/pr12850.cpp/elf/sections/text -18.54% 33.93 KB 27.64 KB - 0.00% -
random/pr12392.cpp/elf/sections/text -10.11% 563.08 KB 506.16 KB - 0.00% -
random/pr36262.c/elf/sections/text -7.29% 113.27 KB 105.01 KB - 0.00% -
random/pr38518.c/elf/sections/text -7.29% 113.27 KB 105.01 KB - 0.00% -
random/pr39326.c/elf -5.44% 1.46 MB 1.38 MB - 0.00% -
random/pr29433.cpp/elf -5.36% 1.46 MB 1.38 MB - -0.00% -
random/pr36262.c/elf -5.12% 368.81 KB 349.94 KB - 0.00% -
random/pr38518.c/elf -5.11% 368.62 KB 349.80 KB - -0.00% -
random/pr12850.cpp/elf -2.78% 31.23 MB 30.36 MB - 0.00% -
random/pr29433.cpp/elf/sections/text -2.62% 726.00 B 707.00 B - 0.00% -

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


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