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: 2400.003
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 20201016 (experimental) 560a638ce5d63e25aeb0f94ba70089044915656c
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 560a638ce5d63e25aeb0f94ba70089044915656c
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-honza.Ofast test results

Run Order Start Time Duration
Current 1603107938000.560a638ce5d63e25aeb0f94ba70089044915656c 2020-10-20T13:56:33.686768 0:00:47.034033
Previous 1602971889000.10da8de84fd34854e431545248cab8fc5e02d91b 2020-10-18T16:59:28.074571 0:00:46.304930
Baseline 1543418663000.76774f4acec2ffd137338a13eb4e2ae30bb97daf 2018-11-29T01:03:57.564070 0:00:41.004426


Tests Summary

Status Group # # (B)
Performance Regressions 0 24
Performance Improvements 0 6
Added Tests 3 3
Unchanged Tests 303 273
Total Tests 306

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/pr12392.cpp 39.93% 32.583 45.592 - -1.52% -
random/pr29433.cpp 34.47% 2.635 3.544 - -1.71% -
random/pr12850.cpp 33.78% 28.411 38.007 - 1.13% -
random/pr36439.cpp 29.68% 24.299 31.510 - 1.24% -
random/pr26854-2.c 13.66% 42.486 48.288 - -0.69% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 75.72% 675.97 MB 1.16 GB - -0.03% -
random/pr12392.cpp 26.70% 812.25 MB 1.01 GB - 0.09% -
random/pr60243.c 19.20% 1.68 GB 2.00 GB - 0.03% -
random/pr29433.cpp 12.67% 334.57 MB 376.97 MB - -0.00% -
random/empty.C 7.13% 17.09 MB 18.31 MB - -0.04% -
random/empty.c 5.41% 16.16 MB 17.04 MB - -0.05% -
random/pr12850.cpp 3.78% 567.51 MB 588.97 MB - 0.07% -
random/pr36291.cpp 3.75% 482.62 MB 500.73 MB - -0.00% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text 970.49% 12.09 KB 129.39 KB - 0.00% -
random/pr12850.cpp/elf/sections/text 170.81% 33.93 KB 91.88 KB - 0.00% -
random/pr36439.cpp/elf 11.10% 1.57 MB 1.75 MB - 0.00% -
random/pr26854-2.c/elf/sections/text 7.17% 326.09 KB 349.47 KB - 0.00% -
random/pr12850.cpp/elf 5.30% 3.28 MB 3.46 MB - 0.00% -
random/pr12392.cpp/elf/sections/text 4.52% 386.45 KB 403.93 KB - 0.00% -
random/pr36262.c/elf 3.40% 503.58 KB 520.69 KB - 0.00% -
random/pr38518.c/elf 3.40% 503.58 KB 520.69 KB - 0.00% -
random/pr29433.cpp/elf 2.99% 89.03 KB 91.70 KB - 0.00% -
random/pr36262.c/elf/sections/text 2.56% 483.28 KB 495.65 KB - 0.00% -
random/pr38518.c/elf/sections/text 2.56% 483.28 KB 495.65 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c -74.33% 256.150 65.750 - -1.14% -
random/pr36262.c -71.51% 94.455 26.908 - -0.08% -
random/pr38518.c -70.26% 91.329 27.158 - 1.65% -
random/pr39326.c -38.32% 93.896 57.917 - 0.92% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c/elf -26.37% 955.34 KB 703.38 KB - 0.00% -
random/pr39326.c/elf/sections/text -5.12% 330.11 KB 313.22 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: 0.29s