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.O0_g test results

Run Order Start Time Duration
Current 1621327574000.66e5e0a08554c487f976e9e7bc0da1038769ae67 2021-05-18T18:08:11.350037 0:01:05.047223
Previous 1621188953000.ea21f32198432a490dd490696322838d94b3d3b2 2021-05-17T09:33:17.329011 0:00:58.119458
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:30.681913


Tests Summary

Status Group # # (B)
Performance Regressions 0 10
Performance Improvements 3 16
Added Tests 3 3
Unchanged Tests 318 295
Total Tests 324

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp -10.36% 4.083 3.660 - -22.48% -
random/pr12850.cpp -7.05% 12.571 11.685 - -11.28% -
random/pr26854-2.c -2.20% 5.086 4.974 - -5.93% -

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
tramp3d 2.01% 14.152 14.437 - -0.19% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp 15.64% 494.55 MB 571.91 MB - 0.02% -
random/pr12392.cpp 10.52% 300.94 MB 332.61 MB - 0.11% -
random/empty.C 9.44% 17.71 MB 19.38 MB - 0.00% -
random/empty.c 6.05% 16.54 MB 17.54 MB - 0.00% -
random/pr60243.c 6.04% 1.68 GB 1.79 GB - 0.00% -
random/pr70614.c 4.00% 42.14 MB 43.82 MB - 0.00% -
random/pr29433.cpp 3.18% 1.91 GB 1.97 GB - -0.03% -
random/pr36439.cpp 2.55% 346.68 MB 355.53 MB - 0.00% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
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/pr70614.c -40.55% 0.305 0.181 - 0.22% -
random/pr39326.c -39.05% 2.057 1.254 - -0.39% -
random/pr36262.c -36.45% 0.929 0.591 - -0.85% -
random/pr38518.c -33.38% 0.932 0.621 - 0.08% -
random/pr12392.cpp -22.48% 4.721 3.660 - -10.36% -
random/pr36439.cpp -17.03% 6.317 5.241 - -0.13% -
random/pr69609.c -15.80% 4.955 4.172 - 1.11% -
random/pr36291.cpp -13.45% 11.552 9.998 - -0.13% -
random/pr12850.cpp -11.28% 13.171 11.685 - -7.05% -
random/pr60243.c -10.85% 43.016 38.350 - -0.27% -
random/pr28071.c -10.38% 10.663 9.556 - 0.01% -
random/pr29433.cpp -8.71% 15.829 14.451 - 0.46% -
random/pr26854-2.c -5.93% 5.288 4.974 - -2.20% -
random/pr26854.c -5.78% 33.372 31.444 - -0.73% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp -4.73% 509.29 MB 485.19 MB - 0.00% -
random/pr28071.c -4.72% 301.07 MB 286.87 MB - -0.14% -

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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