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: 1497.208
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.84
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: 263696144 kB

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) 11.0.0 20210127 (experimental) 38e966646ef2907fa00b159bbe35040c69b14d1b
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 38e966646ef2907fa00b159bbe35040c69b14d1b
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
Filter

benzen.gcc-trunk-honza.O_g test results

Run Order Start Time Duration
Current 1611830210000.38e966646ef2907fa00b159bbe35040c69b14d1b 2021-01-28T23:44:11.085129 0:01:35.506877
Previous 1607347034000.8dcfa368fb66c61a86010871c70d3aa3b08e10e9 2020-12-08T01:25:56.494153 0:01:34.771386
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:31.090919


Tests Summary

Status Group # # (B)
Performance Regressions 3 10
Performance Improvements 10 26
Added Tests 3 3
Unchanged Tests 272 249
Total Tests 288

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c/elf/sections/text 4.41% 105.01 KB 109.64 KB - 4.38% -
random/pr38518.c/elf/sections/text 4.41% 105.01 KB 109.64 KB - 4.38% -
random/pr26854-2.c/elf/sections/text 2.09% 309.75 KB 316.23 KB - -0.72% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c -19.49% 4.813 3.875 - -21.20% -
random/pr36291.cpp -5.27% 21.812 20.663 - -8.39% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp -3.07% 880.93 MB 853.90 MB - -6.99% -
random/pr26854.c -2.31% 1.05 GB 1.03 GB - -6.80% -
random/pr36262.c -2.02% 193.49 MB 189.57 MB - -3.51% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp/elf -33.58% 12.76 MB 8.48 MB - -35.83% -
random/pr12850.cpp/elf -23.89% 30.35 MB 23.10 MB - -27.69% -
random/pr36291.cpp/elf -23.06% 11.90 MB 9.16 MB - -23.43% -
random/pr12392.cpp/elf -18.98% 9.49 MB 7.69 MB - -50.84% -
random/pr29433.cpp/elf -6.29% 1.35 MB 1.27 MB - -8.65% -

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/pr36439.cpp 4.30% 24.430 25.480 - 0.09% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp 7.93% 571.09 MB 616.37 MB - -0.90% -
random/empty.C 7.59% 17.71 MB 19.06 MB - 0.85% -
random/empty.c 5.71% 16.54 MB 17.49 MB - 0.54% -
random/pr70614.c 4.04% 54.68 MB 56.89 MB - -0.93% -
random/pr29433.cpp 3.29% 1.92 GB 1.98 GB - 0.20% -
random/pr39326.c 2.99% 447.35 MB 460.75 MB - -0.75% -
random/pr36439.cpp 2.00% 513.34 MB 523.62 MB - 0.35% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c/elf/sections/text 4.38% 105.04 KB 109.64 KB - 4.41% -
random/pr38518.c/elf/sections/text 4.38% 105.04 KB 109.64 KB - 4.41% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c -22.02% 133.049 103.751 - -1.19% -
random/pr36262.c -21.20% 4.917 3.875 - -19.49% -
random/pr38518.c -20.68% 4.910 3.894 - 0.05% -
random/pr28071.c -16.40% 53.426 44.662 - 1.10% -
random/pr70614.c -16.13% 25.952 21.766 - 1.90% -
random/pr12392.cpp -13.88% 36.658 31.569 - -1.29% -
random/pr26854-2.c -12.39% 15.568 13.640 - 1.06% -
random/pr29433.cpp -11.52% 16.944 14.991 - 1.98% -
random/pr36291.cpp -8.39% 22.555 20.663 - -5.27% -
random/pr26854.c -5.79% 104.234 98.199 - 0.33% -
random/pr69609.c -3.09% 22.279 21.591 - -0.28% -
random/pr12850.cpp -2.70% 49.784 48.439 - -0.85% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -13.44% 940.46 MB 814.05 MB - -0.45% -
random/pr12850.cpp -6.99% 918.05 MB 853.90 MB - -3.07% -
random/pr26854.c -6.80% 1.10 GB 1.03 GB - -2.31% -
random/pr36262.c -3.51% 196.46 MB 189.57 MB - -2.02% -
random/pr38518.c -3.48% 196.47 MB 189.64 MB - -1.94% -
random/pr26854-2.c -3.06% 366.73 MB 355.50 MB - -0.19% -
random/pr69609.c -2.79% 518.59 MB 504.12 MB - -0.94% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -50.84% 15.64 MB 7.69 MB - -18.98% -
random/pr36439.cpp/elf -35.83% 13.21 MB 8.48 MB - -33.58% -
random/pr12850.cpp/elf -27.69% 31.95 MB 23.10 MB - -23.89% -
random/pr36291.cpp/elf -23.43% 11.96 MB 9.16 MB - -23.06% -
random/pr29433.cpp/elf -8.65% 1.39 MB 1.27 MB - -6.29% -
random/pr39326.c/elf -5.42% 1.46 MB 1.38 MB - -0.01% -
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: 0.11s