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) 12.0.0 20210510 (experimental) 66e5e0a08554c487f976e9e7bc0da1038769ae67
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 66e5e0a08554c487f976e9e7bc0da1038769ae67
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 1621327574000.66e5e0a08554c487f976e9e7bc0da1038769ae67 2021-05-18T18:08:11.350037 0:01:05.481319
Previous 1621188953000.ea21f32198432a490dd490696322838d94b3d3b2 2021-05-17T09:33:17.329011 0:00:58.553234
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:31.090919


Tests Summary

Status Group # # (B)
Performance Regressions 4 9
Performance Improvements 4 28
Added Tests 3 3
Unchanged Tests 277 248
Total Tests 288

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c 23.38% 3.924 4.841 - -1.54% -
random/pr36291.cpp 3.82% 20.757 21.550 - -4.45% -
random/pr39326.c 2.58% 105.193 107.905 - -18.90% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp/elf 2.36% 8.47 MB 8.67 MB - -34.35% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854.c -4.76% 99.400 94.666 - -9.18% -
random/pr12850.cpp -2.26% 48.939 47.836 - -3.91% -
random/pr69609.c -2.19% 22.067 21.584 - -3.12% -
random/pr26854-2.c -2.01% 13.678 13.403 - -13.91% -

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 2.55% 24.430 25.053 - -1.52% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.C 9.50% 17.71 MB 19.40 MB - 0.00% -
random/pr36291.cpp 6.41% 571.09 MB 607.70 MB - -1.00% -
random/empty.c 6.12% 16.54 MB 17.55 MB - 0.00% -
random/pr29433.cpp 3.24% 1.92 GB 1.98 GB - 0.00% -
random/pr36439.cpp 2.05% 513.34 MB 523.85 MB - 0.28% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c/elf/sections/text 3.34% 105.04 KB 108.56 KB - 0.00% -
random/pr38518.c/elf/sections/text 3.34% 105.04 KB 108.56 KB - 0.00% -
random/pr12850.cpp/elf/sections/text 2.65% 27.32 KB 28.05 KB - 1.03% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -97.60% 25.952 0.623 - -1.04% -
random/pr28071.c -27.81% 53.426 38.567 - -0.60% -
random/pr38518.c -20.37% 4.910 3.910 - -0.82% -
random/pr39326.c -18.90% 133.049 107.905 - 2.58% -
random/pr12392.cpp -18.73% 36.658 29.793 - -1.11% -
random/pr26854-2.c -13.91% 15.568 13.403 - -2.01% -
random/pr29433.cpp -13.74% 16.944 14.615 - -0.11% -
random/pr26854.c -9.18% 104.234 94.666 - -4.76% -
random/pr36291.cpp -4.45% 22.555 21.550 - 3.82% -
random/pr12850.cpp -3.91% 49.784 47.836 - -2.26% -
random/pr69609.c -3.12% 22.279 21.584 - -2.19% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -13.70% 940.46 MB 811.64 MB - -0.07% -
random/pr26854.c -7.53% 1.10 GB 1.02 GB - -0.53% -
random/pr12850.cpp -5.88% 918.05 MB 864.10 MB - -0.04% -
random/pr12392.cpp -5.08% 704.75 MB 668.95 MB - 0.13% -
random/pr39326.c -4.20% 447.35 MB 428.55 MB - -0.04% -
random/pr26854-2.c -3.16% 366.73 MB 355.13 MB - -0.08% -
random/pr36262.c -3.12% 196.46 MB 190.33 MB - -0.88% -
random/pr69609.c -2.94% 518.59 MB 503.35 MB - 0.19% -
random/pr38518.c -2.86% 196.47 MB 190.86 MB - -0.23% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -51.55% 15.64 MB 7.58 MB - 0.08% -
random/pr36439.cpp/elf -34.35% 13.21 MB 8.67 MB - 2.36% -
random/pr12850.cpp/elf -27.42% 31.95 MB 23.19 MB - 0.38% -
random/pr36291.cpp/elf -23.43% 11.96 MB 9.16 MB - 0.00% -
random/pr29433.cpp/elf -9.00% 1.39 MB 1.26 MB - 0.14% -
random/pr39326.c/elf -5.53% 1.46 MB 1.38 MB - 0.00% -
random/pr26854-2.c/elf/sections/text -2.83% 318.54 KB 309.51 KB - 0.00% -
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


Report Time: 0.21s