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Machine Info

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
Run Info

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 20210811 (experimental) e87209a1269622017bf3d98bf71502dcb0f893aa
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 e87209a1269622017bf3d98bf71502dcb0f893aa
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
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benzen.gcc-trunk-honza.Ofast test results

Run Order Start Time Duration
Current 1628768201000.e87209a1269622017bf3d98bf71502dcb0f893aa 2021-08-12T19:21:13.478877 0:01:24.325056
Previous 1628701884000.e54acea9e5a821448af97c66e94a1e4c4f977d5d 2021-08-11T20:45:00.889566 0:01:23.861486
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:31.225785

Tests Summary

Status Group # # (B)
Performance Regressions 0 17
Performance Improvements 0 15
Added Tests 3 3
Unchanged Tests 267 235
Total Tests 270

Run-Over-Run Changes Detail

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr29433.cpp/elf/sections/text

Run-Over-Baseline Changes Detail

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp 15.78% 32.509 37.639 - -0.09% -
random/pr12850.cpp 7.23% 40.232 43.141 - -0.25% -
random/pr36291.cpp 2.98% 28.849 29.708 - -0.15% -
random/pr38518.c 2.18% 34.036 34.778 - 0.06% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 129.59% 572.54 MB 1.28 GB - 0.11% -
random/empty.C 11.57% 17.53 MB 19.55 MB - 0.00% -
random/pr29433.cpp 10.77% 330.98 MB 366.64 MB - 0.15% -
random/empty.c 6.40% 16.43 MB 17.48 MB - 0.00% -
random/pr12850.cpp 5.08% 571.05 MB 600.05 MB - 0.05% -
random/pr36291.cpp 3.97% 482.21 MB 501.37 MB - 0.11% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp/elf/sections/text 44.25% 91.29 KB 131.68 KB - 0.00% -
random/pr36439.cpp/elf/sections/text 18.45% 123.16 KB 145.88 KB - 0.00% -
random/pr36262.c/elf 6.44% 516.41 KB 549.70 KB - 0.00% -
random/pr38518.c/elf 6.44% 516.41 KB 549.70 KB - 0.00% -
random/pr26854-2.c/elf/sections/text 5.24% 323.72 KB 340.68 KB - 0.00% -
random/pr36262.c/elf/sections/text 3.50% 494.35 KB 511.64 KB - 0.00% -
random/pr38518.c/elf/sections/text 3.50% 494.35 KB 511.64 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -42.05% 1.422 0.824 - -0.05% -
random/pr60243.c -17.04% 120.115 99.647 - -0.03% -
random/pr29433.cpp -15.83% 3.938 3.315 - -0.14% -
random/pr26854-2.c -13.11% 58.105 50.490 - -0.45% -
random/pr12392.cpp -12.71% 39.689 34.644 - 0.40% -
random/pr39326.c -2.47% 106.985 104.342 - -0.64% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -76.46% 2.91 GB 700.30 MB - -0.00% -
random/pr38518.c -76.43% 2.91 GB 701.18 MB - 0.00% -
random/pr12392.cpp -42.80% 912.91 MB 522.16 MB - -0.12% -
random/pr26854-2.c -33.47% 1.45 GB 987.50 MB - 0.00% -
random/pr60243.c -8.57% 2.11 GB 1.93 GB - 0.00% -
random/pr36439.cpp -2.83% 459.73 MB 446.74 MB - 0.21% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c/elf -28.58% 964.88 KB 689.12 KB - 0.00% -
random/pr39326.c/elf/sections/text -9.53% 339.84 KB 307.45 KB - 0.00% -
random/pr29433.cpp/elf -4.28% 91.50 KB 87.59 KB - 0.00% -

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr29433.cpp/elf/sections/text

Report Time: 0.11s