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) 2.32.0.20190909-8
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 20200111 (experimental) cff5a231480526aa73094a22fe8b2f39b63735a4
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 cff5a231480526aa73094a22fe8b2f39b63735a4
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 1578701814000.cff5a231480526aa73094a22fe8b2f39b63735a4 2020-01-13T07:29:36.584766 0:01:31.631825
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 15 10
Performance Improvements 5 17
Added Tests 3 3
Unchanged Tests 265 258
Total Tests 288

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp 144.69% 13.004 31.819 - -15.21% -
random/pr36498.cpp 15.23% 17.347 19.990 - 4.41% -
random/pr36439.cpp 13.71% 21.501 24.448 - 5.76% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c 74.60% 472.19 MB 824.45 MB - -11.64% -
random/pr12392.cpp 67.54% 417.63 MB 699.70 MB - -0.85% -
random/pr36439.cpp 23.84% 410.06 MB 507.80 MB - -4.26% -
random/pr36498.cpp 10.32% 470.33 MB 518.87 MB - 0.88% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp/elf 370.39% 3.32 MB 15.63 MB - -0.06% -
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 23.62% 10.66 MB 13.18 MB - 8.76% -
random/pr12392.cpp/elf/sections/text 16.43% 434.81 KB 506.24 KB - -0.55% -
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 -42.45% 76.775 44.181 - -17.81% -
random/pr26854-2.c -16.64% 18.402 15.341 - -18.95% -
random/pr39326.c -5.72% 134.168 126.499 - -6.80% -
random/pr29433.cpp -4.80% 16.076 15.304 - -4.56% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp/elf/sections/text -2.43% 28.31 KB 27.62 KB - -20.66% -

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/pr36262.c 10.06% 4.517 4.971 - 1.20% -
random/pr36439.cpp 5.76% 23.116 24.448 - 13.71% -
random/pr36498.cpp 4.41% 19.146 19.990 - 15.23% -
random/pr36291.cpp 3.22% 21.835 22.538 - 0.95% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.C 2.80% 17.60 MB 18.09 MB - 0.06% -
random/empty.c 2.46% 16.49 MB 16.89 MB - 0.79% -

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 8.76% 12.12 MB 13.18 MB - 23.62% -
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 -27.33% 30.784 22.372 - 0.25% -
random/pr26854-2.c -18.95% 18.927 15.341 - -16.64% -
random/pr28071.c -17.81% 53.756 44.181 - -42.45% -
random/pr12392.cpp -15.21% 37.526 31.819 - 144.69% -
random/pr12850.cpp -10.27% 53.302 47.826 - 0.04% -
random/pr39326.c -6.80% 135.733 126.499 - -5.72% -
random/pr29433.cpp -4.56% 16.036 15.304 - -4.80% -
random/pr26854.c -4.47% 107.634 102.824 - -0.47% -
random/pr70614.c -3.96% 26.005 24.974 - -1.54% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -11.64% 933.04 MB 824.45 MB - 74.60% -
random/pr12850.cpp -8.50% 993.85 MB 909.38 MB - 0.51% -
random/pr36439.cpp -4.26% 530.39 MB 507.80 MB - 23.84% -
random/pr69609.c -2.12% 526.51 MB 515.38 MB - -0.71% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp/elf/sections/text -20.66% 34.82 KB 27.62 KB - -2.43% -
random/pr12850.cpp/elf -13.43% 36.91 MB 31.95 MB - -0.26% -
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: 0.12s
Name Current %
random/empty.C 18.09 MB -
random/empty.c 16.89 MB -
random/pr12392.cpp 699.70 MB 67.54%
random/pr12850.cpp 909.38 MB -
random/pr26854-2.c 361.88 MB -
random/pr26854.c 1.09 GB -
random/pr28071.c 824.45 MB 74.60%
random/pr29433.cpp 1.92 GB -
random/pr36262.c 196.43 MB -
random/pr36291.cpp 563.09 MB -
random/pr36439.cpp 507.80 MB 23.84%
random/pr36498.cpp 518.87 MB 10.32%
random/pr38518.c 197.01 MB -
random/pr39326.c 449.60 MB -
random/pr69609.c 515.38 MB -
random/pr70614.c 54.69 MB -
Geometric Mean 314.68 MB 9.19%