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: 1495.688
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.83
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: 263729312 kB

Fields

NameValue

Parameters

NameValue
as GNU assembler (GNU Binutils; openSUSE Tumbleweed) 2.32.0.20190909-8
Copyright (C) 2019 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) 10.0.0 20200106 (experimental) a6b8833f34a5c8799cc5a3282fdde0c1777a8dca
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 a6b8833f34a5c8799cc5a3282fdde0c1777a8dca
glibc GNU C Library (GNU libc) stable release version 2.30 (git 0a8262a1b2).
Copyright (C) 2019 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 9.2.1 20190903 [gcc-9-branch revision 275330].
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) 2.32.0.20190909-8
options None
reason None
uname Linux benzen 5.3.6-1-default #1 SMP Sun Oct 13 07:19:36 UTC 2019 (519ea7b) x86_64 x86_64 x86_64 GNU/Linux
Filter

benzen.gcc-trunk.O_g test results

Run Order Start Time Duration
Current 1578330640000.a6b8833f34a5c8799cc5a3282fdde0c1777a8dca 2020-01-06T19:49:35.463377 0:01:33.657866
Previous 1578364696000.3b6f08b506915cc9e1d0f9f598dba2acd1928fef 2020-01-07T07:28:03.089359 0:01:31.890273
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.339731


Tests Summary

Status Group # # (B)
Performance Regressions 16 9
Performance Improvements 4 13
Added Tests 3 3
Unchanged Tests 265 263
Total Tests 288

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp 141.91% 13.004 31.458 - -16.17% -
random/pr36498.cpp 20.79% 17.347 20.954 - 9.44% -
random/pr36439.cpp 13.61% 21.501 24.428 - 5.67% -
random/pr70614.c 5.22% 25.364 26.688 - 2.63% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c 74.57% 472.19 MB 824.32 MB - -11.65% -
random/pr12392.cpp 67.46% 417.63 MB 699.35 MB - -0.90% -
random/pr36439.cpp 23.90% 410.06 MB 508.07 MB - -4.21% -
random/pr36498.cpp 10.32% 470.33 MB 518.86 MB - 0.88% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp/elf 370.65% 3.32 MB 15.64 MB - -0.01% -
random/pr28071.c/elf 67.64% 1.64 MB 2.75 MB - 0.00% -
random/pr29433.cpp/elf/sections/text 44.63% 484.00 B 700.00 B - 0.00% -
random/pr28071.c/elf/sections/text 28.77% 514.42 KB 662.44 KB - 0.00% -
random/pr36439.cpp/elf 23.65% 10.66 MB 13.18 MB - 8.79% -
random/pr12392.cpp/elf/sections/text 17.07% 434.81 KB 509.02 KB - 0.00% -
random/pr36498.cpp/elf 15.17% 14.96 MB 17.23 MB - 8.97% -
random/pr36498.cpp/elf/sections/text 5.35% 435.14 KB 458.41 KB - 9.87% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c -42.20% 76.775 44.376 - -17.45% -
random/pr26854-2.c -15.06% 18.402 15.630 - -17.42% -
random/pr36262.c -7.57% 4.913 4.541 - 0.52% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp/elf/sections/text -3.03% 28.31 KB 27.46 KB - -21.14% -

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/pr36498.cpp 9.44% 19.146 20.954 - 20.79% -
random/pr36439.cpp 5.67% 23.116 24.428 - 13.61% -
random/pr36291.cpp 3.25% 21.835 22.543 - 0.97% -
random/pr70614.c 2.63% 26.005 26.688 - 5.22% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.C 2.73% 17.60 MB 18.08 MB - 0.00% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf/sections/text 9.87% 417.24 KB 458.41 KB - 5.35% -
random/pr36498.cpp/elf 8.97% 15.81 MB 17.23 MB - 15.17% -
random/pr36439.cpp/elf 8.79% 12.12 MB 13.18 MB - 23.65% -
random/pr29433.cpp/elf 2.78% 1.35 MB 1.39 MB - 0.08% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr69609.c -27.81% 30.784 22.223 - -0.42% -
random/pr28071.c -17.45% 53.756 44.376 - -42.20% -
random/pr26854-2.c -17.42% 18.927 15.630 - -15.06% -
random/pr12392.cpp -16.17% 37.526 31.458 - 141.91% -
random/pr12850.cpp -9.87% 53.302 48.043 - 0.49% -
random/pr26854.c -3.47% 107.634 103.900 - 0.57% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -11.65% 933.04 MB 824.32 MB - 74.57% -
random/pr12850.cpp -8.52% 993.85 MB 909.16 MB - 0.48% -
random/pr36439.cpp -4.21% 530.39 MB 508.07 MB - 23.90% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp/elf/sections/text -21.14% 34.82 KB 27.46 KB - -3.03% -
random/pr12850.cpp/elf -13.44% 36.91 MB 31.95 MB - -0.27% -
random/pr69609.c/elf -9.64% 1.73 MB 1.57 MB - 0.00% -
random/pr69609.c/elf/sections/text -7.00% 435.59 KB 405.09 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: 0.15s
Name Current %
random/empty.c 16.76 MB -
random/empty.C 18.08 MB -
random/pr12392.cpp 699.35 MB 67.46%
random/pr12850.cpp 909.16 MB -
random/pr26854-2.c 361.83 MB -
random/pr26854.c 1.10 GB -
random/pr28071.c 824.32 MB 74.57%
random/pr29433.cpp 1.92 GB -
random/pr36262.c 196.88 MB -
random/pr36291.cpp 563.74 MB -
random/pr36439.cpp 508.07 MB 23.90%
random/pr36498.cpp 518.86 MB 10.32%
random/pr38518.c 196.35 MB -
random/pr39326.c 449.59 MB -
random/pr69609.c 519.05 MB -
random/pr70614.c 54.68 MB -
Geometric Mean 314.84 MB 9.25%