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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) 2.35.1.20201112-1
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) 0412cc2f390052aab9498849104f4428be747b9d
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 0412cc2f390052aab9498849104f4428be747b9d
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
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benzen.gcc-trunk-honza.O_g test results

Run Order Start Time Duration
Current 1621328968000.0412cc2f390052aab9498849104f4428be747b9d 2021-05-19T04:08:20.548880 0:01:34.904623
Previous 1628850829000.73474527aaa24d9236aca074c5494a07f40ce058 2021-08-13T18:15:59.477849 0:01:24.704006
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:31.090919

Tests Summary

Status Group # # (B)
Performance Regressions 1 7
Performance Improvements 7 27
Added Tests 3 3
Unchanged Tests 295 269
Total Tests 306

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp 10.11% 44.429 48.919 - -1.74% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c -28.12% 149.004 107.099 - -19.50% -
random/pr36262.c -20.37% 4.934 3.928 - -20.11% -
random/pr36291.cpp -5.61% 21.993 20.759 - -7.96% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c -3.09% 442.21 MB 428.55 MB - -4.20% -
random/empty.C -2.15% 19.82 MB 19.40 MB - 9.50% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/empty.C/elf -2.87% 1.36 KB 1.32 KB - 0.00% -
random/empty.c/elf -2.87% 1.36 KB 1.32 KB - 0.00% -

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

Run-Over-Baseline Changes Detail

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp 4.16% 24.430 25.447 - 1.49% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.C 9.50% 17.71 MB 19.40 MB - -2.15% -
random/pr36291.cpp 7.46% 571.09 MB 613.68 MB - 0.88% -
random/empty.c 6.12% 16.54 MB 17.55 MB - -0.75% -
random/pr29433.cpp 3.24% 1.92 GB 1.98 GB - 0.80% -

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% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -97.58% 25.952 0.629 - 0.25% -
random/pr28071.c -27.48% 53.426 38.744 - -0.16% -
random/pr36262.c -20.11% 4.917 3.928 - -20.37% -
random/pr38518.c -19.81% 4.910 3.937 - -1.39% -
random/pr39326.c -19.50% 133.049 107.099 - -28.12% -
random/pr12392.cpp -17.83% 36.658 30.120 - 0.93% -
random/pr29433.cpp -13.73% 16.944 14.618 - 0.68% -
random/pr36291.cpp -7.96% 22.555 20.759 - -5.61% -
random/pr26854-2.c -4.40% 15.568 14.882 - -0.81% -
random/pr26854.c -3.31% 104.234 100.778 - 1.59% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -13.64% 940.46 MB 812.17 MB - -0.19% -
random/pr26854.c -7.03% 1.10 GB 1.02 GB - -0.55% -
random/pr12850.cpp -5.80% 918.05 MB 864.85 MB - 1.57% -
random/pr12392.cpp -5.13% 704.75 MB 668.61 MB - 0.15% -
random/pr39326.c -4.20% 447.35 MB 428.55 MB - -3.09% -
random/pr69609.c -3.11% 518.59 MB 502.46 MB - -0.67% -
random/pr26854-2.c -3.07% 366.73 MB 355.48 MB - -0.97% -
random/pr38518.c -2.59% 196.47 MB 191.37 MB - 0.07% -
random/pr36262.c -2.26% 196.46 MB 192.02 MB - 0.41% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -51.59% 15.64 MB 7.57 MB - 0.06% -
random/pr36439.cpp/elf -35.87% 13.21 MB 8.47 MB - 0.25% -
random/pr12850.cpp/elf -27.69% 31.95 MB 23.10 MB - 0.12% -
random/pr36291.cpp/elf -23.44% 11.96 MB 9.16 MB - -0.00% -
random/pr29433.cpp/elf -9.13% 1.39 MB 1.26 MB - 0.04% -
random/pr39326.c/elf -5.53% 1.46 MB 1.38 MB - 0.24% -
random/pr26854-2.c/elf/sections/text -2.83% 318.54 KB 309.51 KB - 0.02% -
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: 0.09s