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 20210811 (experimental) 73474527aaa24d9236aca074c5494a07f40ce058
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 73474527aaa24d9236aca074c5494a07f40ce058
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 1628850829000.73474527aaa24d9236aca074c5494a07f40ce058 2021-08-13T18:15:59.477849 0:01:24.704006
Previous 1628768201000.e87209a1269622017bf3d98bf71502dcb0f893aa 2021-08-12T19:21:13.478877 0:01:24.158199
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:31.090919


Tests Summary

Status Group # # (B)
Performance Regressions 0 11
Performance Improvements 1 25
Added Tests 3 7
Unchanged Tests 302 263
Total Tests 306

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c -2.18% 57.40 MB 56.15 MB - 2.68% -

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/pr39326.c 11.99% 133.049 149.004 - 0.19% -
random/pr36439.cpp 2.63% 24.430 25.073 - 0.02% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.C 11.91% 17.71 MB 19.82 MB - 0.00% -
random/empty.c 6.92% 16.54 MB 17.69 MB - 0.00% -
random/pr36291.cpp 6.52% 571.09 MB 608.32 MB - 0.00% -
random/pr70614.c 2.68% 54.68 MB 56.15 MB - -2.18% -
random/pr29433.cpp 2.42% 1.92 GB 1.96 GB - 0.03% -

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% -
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 -97.58% 25.952 0.627 - -1.58% -
random/pr28071.c -27.37% 53.426 38.806 - 0.44% -
random/pr38518.c -18.68% 4.910 3.992 - 0.03% -
random/pr12392.cpp -18.59% 36.658 29.843 - 0.14% -
random/pr29433.cpp -14.31% 16.944 14.518 - 0.14% -
random/pr12850.cpp -10.76% 49.784 44.429 - 0.13% -
random/pr26854.c -4.83% 104.234 99.201 - -0.11% -
random/pr26854-2.c -3.62% 15.568 15.005 - -0.14% -
random/pr36291.cpp -2.49% 22.555 21.993 - 0.02% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -13.48% 940.46 MB 813.71 MB - 0.00% -
random/pr12850.cpp -7.25% 918.05 MB 851.51 MB - -0.06% -
random/pr26854.c -6.51% 1.10 GB 1.03 GB - 0.00% -
random/pr12392.cpp -5.27% 704.75 MB 667.63 MB - 0.00% -
random/pr38518.c -2.67% 196.47 MB 191.23 MB - -0.27% -
random/pr36262.c -2.66% 196.46 MB 191.24 MB - 0.00% -
random/pr69609.c -2.45% 518.59 MB 505.86 MB - 0.00% -
random/pr26854-2.c -2.12% 366.73 MB 358.95 MB - 0.36% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -51.61% 15.64 MB 7.57 MB - 0.00% -
random/pr36439.cpp/elf -36.03% 13.21 MB 8.45 MB - 0.00% -
random/pr12850.cpp/elf -27.78% 31.95 MB 23.07 MB - -0.00% -
random/pr36291.cpp/elf -23.44% 11.96 MB 9.16 MB - 0.00% -
random/pr29433.cpp/elf -9.17% 1.39 MB 1.26 MB - 0.00% -
random/pr39326.c/elf -5.75% 1.46 MB 1.38 MB - 0.00% -
random/pr26854-2.c/elf/sections/text -2.85% 318.54 KB 309.44 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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