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: 48 bits physical, 48 bits virtual
CPU(s): 128
On-line CPU(s) list: 0-127
Thread(s) per core: 2
Core(s) per socket: 64
Socket(s): 1
NUMA node(s): 1
Vendor ID: AuthenticAMD
CPU family: 23
Model: 49
Model name: AMD EPYC 7702 64-Core Processor
Stepping: 0
Frequency boost: enabled
CPU MHz: 1500.000
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.68
Virtualization: AMD-V
L1d cache: 2 MiB
L1i cache: 2 MiB
L2 cache: 32 MiB
L3 cache: 256 MiB
NUMA node0 CPU(s): 0-127
Vulnerability Itlb multihit: Not affected
Vulnerability L1tf: Not affected
Vulnerability Mds: Not affected
Vulnerability Meltdown: Not affected
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 AMD retpoline, IBPB conditional, IBRS_FW, STIBP conditional, RSB filling
Vulnerability Srbds: Not affected
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 mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate ssbd mba ibrs ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr rdpru wbnoinvd amd_ppin arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca
memory MemTotal: 263695408 kB

Fields

NameValue

Parameters

NameValue
as GNU assembler (GNU Binutils; openSUSE Tumbleweed) 2.35.1.20201112-1
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 20210217 (experimental) 07daf62d9a67845362be462a0cb68ef4a15f048e
Copyright (C) 2021 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 07daf62d9a67845362be462a0cb68ef4a15f048e
glibc GNU C Library (GNU libc) release release version 2.32 (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 10.2.1 20201202 [revision e563687cf9d3d1278f45aaebd03e0f66531076c9].
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) 2.35.1.20201112-1
options None
reason None
uname Linux benzen 5.10.7-1-default #1 SMP Wed Jan 13 06:08:43 UTC 2021 (1c33a89) x86_64 x86_64 x86_64 GNU/Linux
Filter

benzen.gcc-trunk-honza.O_g test results

Run Order Start Time Duration
Current 1613573582000.07daf62d9a67845362be462a0cb68ef4a15f048e 2021-02-18T12:03:14.723062 0:01:34.900207
Previous 1620909771000.f07c59dddd84dac6548d0796f1122125a6edd9af 2021-05-13T18:08:10.468209 0:01:35.666974
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:31.090919


Tests Summary

Status Group # # (B)
Performance Regressions 6 8
Performance Improvements 4 27
Added Tests 3 3
Unchanged Tests 275 250
Total Tests 288

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c 3308.71% 0.628 21.393 - -17.57% -
random/pr12392.cpp 5.01% 30.073 31.578 - -13.86% -
random/pr29433.cpp 2.02% 14.577 14.872 - -12.23% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp 4.91% 667.76 MB 700.54 MB - -0.60% -
random/pr70614.c 2.17% 55.61 MB 56.82 MB - 3.91% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c/elf/sections/text 2.17% 309.51 KB 316.23 KB - -0.72% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c -20.39% 4.872 3.878 - -21.12% -
random/pr36291.cpp -5.58% 21.930 20.707 - -8.19% -
random/pr28071.c -3.23% 38.640 37.393 - -30.01% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp/elf -2.31% 8.68 MB 8.48 MB - -35.83% -

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/pr36439.cpp 4.32% 24.430 25.485 - 0.58% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp 8.00% 571.09 MB 616.77 MB - 0.87% -
random/empty.C 7.94% 17.71 MB 19.12 MB - -1.43% -
random/empty.c 5.34% 16.54 MB 17.43 MB - -0.73% -
random/pr70614.c 3.91% 54.68 MB 56.82 MB - 2.17% -
random/pr29433.cpp 3.30% 1.92 GB 1.98 GB - 0.06% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c/elf/sections/text 4.38% 105.04 KB 109.64 KB - 1.00% -
random/pr38518.c/elf/sections/text 4.38% 105.04 KB 109.64 KB - 1.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -30.01% 53.426 37.393 - -3.23% -
random/pr36262.c -21.12% 4.917 3.878 - -20.39% -
random/pr38518.c -20.47% 4.910 3.905 - -0.65% -
random/pr39326.c -20.32% 133.049 106.013 - -0.03% -
random/pr70614.c -17.57% 25.952 21.393 - 3308.71% -
random/pr12392.cpp -13.86% 36.658 31.578 - 5.01% -
random/pr26854-2.c -12.67% 15.568 13.596 - -0.13% -
random/pr29433.cpp -12.23% 16.944 14.872 - 2.02% -
random/pr36291.cpp -8.19% 22.555 20.707 - -5.58% -
random/pr26854.c -6.08% 104.234 97.892 - -1.30% -
random/pr12850.cpp -2.45% 49.784 48.563 - -0.08% -
random/pr69609.c -2.09% 22.279 21.813 - -0.63% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -13.66% 940.46 MB 811.98 MB - 0.02% -
random/pr12850.cpp -7.26% 918.05 MB 851.36 MB - -1.22% -
random/pr26854.c -6.82% 1.10 GB 1.03 GB - 0.66% -
random/pr39326.c -4.08% 447.35 MB 429.10 MB - 0.13% -
random/pr69609.c -3.38% 518.59 MB 501.07 MB - -0.77% -
random/pr36262.c -2.73% 196.46 MB 191.11 MB - -0.13% -
random/pr26854-2.c -2.68% 366.73 MB 356.89 MB - 0.13% -
random/pr38518.c -2.40% 196.47 MB 191.75 MB - 0.21% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -50.81% 15.64 MB 7.69 MB - 1.59% -
random/pr36439.cpp/elf -35.83% 13.21 MB 8.48 MB - -2.31% -
random/pr12850.cpp/elf -27.68% 31.95 MB 23.11 MB - 0.02% -
random/pr36291.cpp/elf -23.43% 11.96 MB 9.16 MB - 0.00% -
random/pr29433.cpp/elf -8.20% 1.39 MB 1.27 MB - 0.87% -
random/pr39326.c/elf -5.42% 1.46 MB 1.38 MB - 0.11% -
random/pr28071.c/elf/sections/text -2.59% 662.44 KB 645.28 KB - 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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