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) 2.36.1.20210326-4
Copyright (C) 2021 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 20211127 (experimental) 23bca17d831567ffe5fcf9a2189df513a884b3a0
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 23bca17d831567ffe5fcf9a2189df513a884b3a0
glibc GNU C Library (GNU libc) release release version 2.33 (git 9826b03b74).
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.
Configured for x86_64-suse-linux.
Compiled by GNU CC version 11.1.1 20210510 [revision 23855a176609fe8dda6abaf2b21846b4517966eb].
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) 2.36.1.20210326-4
options None
reason None
uname Linux benzen 5.12.9-1-default #1 SMP Thu Jun 3 07:44:58 UTC 2021 (f17eb01) x86_64 x86_64 x86_64 GNU/Linux
Filter

benzen.gcc-trunk-honza.O0_g test results

Run Order Start Time Duration
Current 1638010597000.23bca17d831567ffe5fcf9a2189df513a884b3a0 2021-11-28T08:52:36.247324 0:01:25.181710
Previous 1638009508000.67b183fac7b08067fdd3c09abd3efd2691083395 2021-11-27T23:08:50.663931 0:01:26.334680
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:30.681913


Tests Summary

Status Group # # (B)
Performance Regressions 3 13
Performance Improvements 0 19
Added Tests 3 3
Unchanged Tests 318 289
Total Tests 324

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp 7.53% 11.817 12.708 - -3.52% -
tramp3d 4.31% 13.656 14.245 - 0.66% -
random/pr12392.cpp 2.87% 3.810 3.919 - -16.98% -

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

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.c 12.56% 16.54 MB 18.62 MB - 0.00% -
random/pr12850.cpp 11.94% 494.55 MB 553.61 MB - -0.09% -
random/pr12392.cpp 10.94% 300.94 MB 333.87 MB - -0.16% -
random/empty.C 10.21% 17.71 MB 19.52 MB - 0.00% -
random/pr70614.c 6.14% 42.14 MB 44.73 MB - 0.00% -
random/pr60243.c 6.12% 1.68 GB 1.79 GB - 0.00% -
random/pr36439.cpp 5.36% 346.68 MB 365.25 MB - -0.12% -
random/pr38518.c 2.70% 89.69 MB 92.11 MB - 0.00% -
random/pr36262.c 2.62% 89.77 MB 92.12 MB - 0.00% -
random/pr29433.cpp 2.34% 1.91 GB 1.96 GB - -0.00% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/empty.C/elf 2.96% 1.32 KB 1.36 KB - 0.00% -
random/empty.c/elf 2.96% 1.32 KB 1.36 KB - 0.00% -
random/pr39326.c/elf/sections/text 2.03% 436.45 KB 445.30 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c -40.59% 2.057 1.222 - 0.07% -
random/pr70614.c -40.05% 0.305 0.183 - 0.07% -
random/pr36262.c -35.11% 0.929 0.603 - -0.62% -
random/pr38518.c -32.37% 0.932 0.630 - -0.58% -
random/pr12392.cpp -16.98% 4.721 3.919 - 2.87% -
random/pr36439.cpp -16.88% 6.317 5.250 - -0.28% -
random/pr69609.c -15.91% 4.955 4.167 - 1.48% -
random/pr36291.cpp -12.57% 11.552 10.100 - 0.20% -
random/pr60243.c -10.64% 43.016 38.440 - 0.26% -
random/pr28071.c -9.94% 10.663 9.603 - 0.75% -
random/pr29433.cpp -9.39% 15.829 14.342 - 0.13% -
random/pr26854-2.c -5.69% 5.288 4.987 - -0.04% -
random/pr12850.cpp -3.52% 13.171 12.708 - 7.53% -
random/pr26854.c -3.38% 33.372 32.244 - 0.44% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp -4.33% 509.29 MB 487.23 MB - -0.08% -
random/pr28071.c -4.07% 301.07 MB 288.81 MB - -0.04% -
tramp3d -3.88% 596.02 MB 572.90 MB - 0.00% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp/elf -2.24% 11.68 MB 11.42 MB - -0.00% -
random/pr36439.cpp/elf -2.22% 3.10 MB 3.03 MB - 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: 0.09s