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: 1473.975
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) 2.34.0.20200325-1
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 20201120 (experimental) e4360e452b4c6cd56d4e21663703e920763413f5
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.
git_revision e4360e452b4c6cd56d4e21663703e920763413f5
glibc GNU C Library (GNU libc) stable release version 2.31 (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 10.1.1 20200625 [revision c91e43e9363bd119a695d64505f96539fa451bf2].
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) 2.34.0.20200325-1
options None
reason None
uname Linux benzen 5.7.9-1-default #1 SMP Thu Jul 16 09:40:08 UTC 2020 (a010166) x86_64 x86_64 x86_64 GNU/Linux
Filter

benzen.gcc-trunk-honza.O_g test results

Run Order Start Time Duration
Current 1605887038000.e4360e452b4c6cd56d4e21663703e920763413f5 2020-11-20T20:42:10.913800 0:01:34.528526
Previous 1604944804000.dbafcecccb0352d049bdd561d4258f97c4c2d881 2020-11-10T01:37:59.402791 0:01:34.645885
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:31.090919


Tests Summary

Status Group # # (B)
Performance Regressions 4 8
Performance Improvements 0 20
Added Tests 3 3
Unchanged Tests 281 257
Total Tests 288

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c 20.24% 14.557 17.503 - 12.43% -
random/pr39326.c 3.48% 103.322 106.920 - -19.64% -
random/pr12392.cpp 2.61% 31.768 32.596 - -11.08% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c 2.38% 56.20 MB 57.54 MB - 5.23% -

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/pr26854-2.c 12.43% 15.568 17.503 - 20.24% -
random/pr36439.cpp 3.74% 24.430 25.343 - 0.71% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp 9.64% 571.09 MB 626.14 MB - -0.33% -
random/empty.C 5.95% 17.71 MB 18.77 MB - -1.25% -
random/empty.c 5.81% 16.54 MB 17.50 MB - 1.59% -
random/pr70614.c 5.23% 54.68 MB 57.54 MB - 2.38% -
random/pr39326.c 3.88% 447.35 MB 464.73 MB - 0.09% -
random/pr29433.cpp 3.10% 1.92 GB 1.97 GB - -0.03% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -20.77% 4.910 3.890 - 1.15% -
random/pr39326.c -19.64% 133.049 106.920 - 3.48% -
random/pr70614.c -17.21% 25.952 21.485 - -1.54% -
random/pr28071.c -16.93% 53.426 44.380 - 0.37% -
random/pr29433.cpp -12.42% 16.944 14.840 - 0.49% -
random/pr12392.cpp -11.08% 36.658 32.596 - 2.61% -
random/pr26854.c -6.78% 104.234 97.167 - 0.81% -
random/pr36291.cpp -3.48% 22.555 21.769 - 0.86% -
random/pr69609.c -2.40% 22.279 21.746 - 0.26% -
random/pr12850.cpp -2.06% 49.784 48.756 - 0.70% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -12.94% 940.46 MB 818.75 MB - 0.15% -
random/pr26854.c -3.83% 1.10 GB 1.06 GB - 0.82% -
random/pr12850.cpp -3.31% 918.05 MB 887.69 MB - 0.24% -
random/pr26854-2.c -2.70% 366.73 MB 356.84 MB - 0.74% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -39.51% 15.64 MB 9.46 MB - -0.03% -
random/pr39326.c/elf -5.42% 1.46 MB 1.38 MB - -0.00% -
random/pr12850.cpp/elf -4.84% 31.95 MB 30.40 MB - 0.11% -
random/pr26854-2.c/elf/sections/text -2.76% 318.54 KB 309.75 KB - -0.00% -
random/pr28071.c/elf/sections/text -2.59% 662.44 KB 645.28 KB - 0.00% -
random/pr29433.cpp/elf -2.40% 1.39 MB 1.35 MB - -0.20% -

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


Report Time: 0.16s