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) c9b22c0fb364a3b341ec797cc59ed31c3d5b0851
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 c9b22c0fb364a3b341ec797cc59ed31c3d5b0851
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.O_g test results

Run Order Start Time Duration
Current 1638533993000.c9b22c0fb364a3b341ec797cc59ed31c3d5b0851 2021-12-03T18:19:30.348863 0:01:26.173172
Previous 1638126795000.65d1d347fc1339a621b2d9b9efcc3eb790534bbc 2021-11-28T21:47:45.974206 0:01:25.530702
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:31.090919


Tests Summary

Status Group # # (B)
Performance Regressions 0 11
Performance Improvements 5 24
Added Tests 3 7
Unchanged Tests 298 264
Total Tests 306

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c -19.67% 4.841 3.888 - -20.92% -
random/pr36291.cpp -4.97% 22.180 21.079 - -6.54% -
random/pr12392.cpp -2.02% 34.330 33.638 - -8.24% -
random/pr60243.c -2.01% 118.276 115.899 - 0.00% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp/elf -2.33% 8.67 MB 8.46 MB - -35.92% -

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/pr69609.c 23.49% 22.279 27.513 - 0.48% -
random/pr36439.cpp 3.57% 24.430 25.302 - 1.27% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.c 12.66% 16.54 MB 18.64 MB - 0.00% -
random/empty.C 10.28% 17.71 MB 19.54 MB - 0.00% -
random/pr36291.cpp 7.88% 571.09 MB 616.09 MB - 0.33% -
random/pr70614.c 4.81% 54.68 MB 57.31 MB - 0.93% -
random/pr29433.cpp 2.43% 1.92 GB 1.96 GB - 0.02% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c/elf/sections/text 3.48% 105.04 KB 108.70 KB - 0.00% -
random/pr38518.c/elf/sections/text 3.48% 105.04 KB 108.70 KB - 0.00% -
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% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -97.55% 25.952 0.637 - -0.10% -
random/pr28071.c -27.36% 53.426 38.809 - 0.70% -
random/pr36262.c -20.92% 4.917 3.888 - -19.67% -
random/pr38518.c -20.37% 4.910 3.909 - 0.69% -
random/pr29433.cpp -13.87% 16.944 14.594 - 0.25% -
random/pr12392.cpp -8.24% 36.658 33.638 - -2.02% -
random/pr12850.cpp -8.13% 49.784 45.736 - 1.36% -
random/pr36291.cpp -6.54% 22.555 21.079 - -4.97% -
random/pr26854.c -4.71% 104.234 99.325 - 0.89% -
random/pr26854-2.c -3.93% 15.568 14.957 - 0.22% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -13.35% 940.46 MB 814.95 MB - 0.05% -
random/pr12850.cpp -6.66% 918.05 MB 856.93 MB - 0.36% -
random/pr26854.c -5.71% 1.10 GB 1.04 GB - -0.08% -
random/pr36262.c -3.02% 196.46 MB 190.52 MB - -0.26% -
random/pr38518.c -3.01% 196.47 MB 190.56 MB - -0.00% -
random/pr26854-2.c -2.87% 366.73 MB 356.21 MB - 0.00% -
random/pr69609.c -2.46% 518.59 MB 505.85 MB - 0.04% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -52.10% 15.64 MB 7.49 MB - 0.00% -
random/pr36439.cpp/elf -35.92% 13.21 MB 8.46 MB - -2.33% -
random/pr12850.cpp/elf -26.64% 31.95 MB 23.44 MB - -0.03% -
random/pr36291.cpp/elf -23.41% 11.96 MB 9.16 MB - 0.00% -
random/pr29433.cpp/elf -8.35% 1.39 MB 1.27 MB - -0.15% -
random/pr26854-2.c/elf/sections/text -3.37% 318.54 KB 307.81 KB - 0.00% -
random/pr28071.c/elf/sections/text -2.59% 662.44 KB 645.28 KB - 0.00% -

Added Tests - compile_time
random/pr60243.c

Added Tests - mem_bytes
random/pr60243.c

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr36439.cpp/elf/sections/text
random/pr60243.c/elf
random/pr60243.c/elf/sections/text


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