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 20210826 (experimental) 9e55cc83b4a8e9dc3b0e3ebd38fb84fba9a71862
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 9e55cc83b4a8e9dc3b0e3ebd38fb84fba9a71862
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.O0_g test results

Run Order Start Time Duration
Current 1629990147000.9e55cc83b4a8e9dc3b0e3ebd38fb84fba9a71862 2021-08-27T10:09:12.147542 0:01:23.184685
Previous 1628949797000.18f1dc73f03bae1dce8304cbb50cb7b7cb3a9078 2021-08-15T19:27:51.955964 0:01:24.222584
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:30.681913


Tests Summary

Status Group # # (B)
Performance Regressions 1 11
Performance Improvements 3 20
Added Tests 3 3
Unchanged Tests 317 290
Total Tests 324

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr29433.cpp 3.06% 14.269 14.705 - -7.10% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp -4.26% 10.498 10.051 - -12.99% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/empty.C -3.31% 19.81 MB 19.15 MB - 8.14% -
random/pr36439.cpp -2.80% 364.25 MB 354.06 MB - 2.13% -

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

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp 12.13% 494.55 MB 554.55 MB - 0.03% -
random/pr12392.cpp 9.90% 300.94 MB 330.73 MB - 0.20% -
random/empty.C 8.14% 17.71 MB 19.15 MB - -3.31% -
random/empty.c 7.06% 16.54 MB 17.71 MB - 0.20% -
random/pr60243.c 6.03% 1.68 GB 1.79 GB - 0.02% -
random/pr29433.cpp 2.33% 1.91 GB 1.95 GB - -0.31% -
random/pr36439.cpp 2.13% 346.68 MB 354.06 MB - -2.80% -
random/pr70614.c 2.12% 42.14 MB 43.04 MB - -1.39% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
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% -
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/pr39326.c -41.13% 2.057 1.211 - -0.13% -
random/pr70614.c -40.91% 0.305 0.180 - -0.22% -
random/pr36262.c -35.77% 0.929 0.597 - -0.07% -
random/pr38518.c -33.06% 0.932 0.624 - 0.36% -
random/pr12392.cpp -20.66% 4.721 3.746 - -1.03% -
random/pr69609.c -16.91% 4.955 4.117 - 1.63% -
random/pr36439.cpp -16.61% 6.317 5.268 - 0.39% -
random/pr36291.cpp -12.99% 11.552 10.051 - -4.26% -
random/pr60243.c -10.55% 43.016 38.478 - -0.94% -
random/pr12850.cpp -10.44% 13.171 11.796 - 0.43% -
random/pr28071.c -10.21% 10.663 9.574 - 0.91% -
random/pr29433.cpp -7.10% 15.829 14.705 - 3.06% -
tramp3d -3.89% 14.152 13.601 - 0.37% -
random/pr26854-2.c -3.84% 5.288 5.085 - 0.07% -
random/pr26854.c -3.78% 33.372 32.110 - 0.17% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -4.59% 301.07 MB 287.25 MB - -0.16% -
tramp3d -4.30% 596.02 MB 570.41 MB - 0.06% -
random/pr36291.cpp -3.72% 509.29 MB 490.34 MB - 0.12% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp/elf -2.27% 11.68 MB 11.42 MB - -0.00% -
random/pr36439.cpp/elf -2.22% 3.10 MB 3.03 MB - 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: 0.12s