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: 1734.219
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.49
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: 263729316 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 20200107 (experimental) 3b6f08b506915cc9e1d0f9f598dba2acd1928fef
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 3b6f08b506915cc9e1d0f9f598dba2acd1928fef
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 1578364696000.3b6f08b506915cc9e1d0f9f598dba2acd1928fef 2020-01-07T07:28:03.089359 0:01:31.890273
Previous 1578330640000.a6b8833f34a5c8799cc5a3282fdde0c1777a8dca 2020-01-06T19:49:35.463377 0:01:33.657866
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.339731


Tests Summary

Status Group # # (B)
Performance Regressions 4 6
Performance Improvements 16 24
Added Tests 3 3
Unchanged Tests 265 255
Total Tests 288

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c 73.01% 44.376 76.775 - 42.82% -
random/pr26854-2.c 17.73% 15.630 18.402 - -2.77% -
random/pr36262.c 8.19% 4.541 4.913 - 8.76% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp/elf/sections/text 3.13% 27.46 KB 28.31 KB - -18.68% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp -58.66% 31.458 13.004 - -65.35% -
random/pr36498.cpp -17.21% 20.954 17.347 - -9.40% -
random/pr36439.cpp -11.98% 24.428 21.501 - -6.99% -
random/pr70614.c -4.96% 26.688 25.364 - -2.46% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c -42.72% 824.32 MB 472.19 MB - -49.39% -
random/pr12392.cpp -40.28% 699.35 MB 417.63 MB - -40.82% -
random/pr36439.cpp -19.29% 508.07 MB 410.06 MB - -22.69% -
random/pr36498.cpp -9.35% 518.86 MB 470.33 MB - -8.55% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp/elf -78.75% 15.64 MB 3.32 MB - -78.75% -
random/pr28071.c/elf -40.35% 2.75 MB 1.64 MB - -40.35% -
random/pr29433.cpp/elf/sections/text -30.86% 700.00 B 484.00 B - -30.86% -
random/pr28071.c/elf/sections/text -22.34% 662.44 KB 514.42 KB - -22.34% -
random/pr36439.cpp/elf -19.13% 13.18 MB 10.66 MB - -12.02% -
random/pr12392.cpp/elf/sections/text -14.58% 509.02 KB 434.81 KB - -14.58% -
random/pr36498.cpp/elf -13.17% 17.23 MB 14.96 MB - -5.38% -
random/pr36498.cpp/elf/sections/text -5.08% 458.41 KB 435.14 KB - 4.29% -

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/pr28071.c 42.82% 53.756 76.775 - 73.01% -
random/pr36262.c 8.76% 4.517 4.913 - 8.19% -
random/pr36291.cpp 2.25% 21.835 22.327 - -0.96% -

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 4.29% 417.24 KB 435.14 KB - -5.08% -
random/pr29433.cpp/elf 2.69% 1.35 MB 1.39 MB - -0.08% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -65.35% 37.526 13.004 - -58.66% -
random/pr69609.c -27.51% 30.784 22.317 - 0.42% -
random/pr12850.cpp -10.31% 53.302 47.808 - -0.49% -
random/pr36498.cpp -9.40% 19.146 17.347 - -17.21% -
random/pr36439.cpp -6.99% 23.116 21.501 - -11.98% -
random/pr26854.c -4.02% 107.634 103.312 - -0.57% -
random/pr26854-2.c -2.77% 18.927 18.402 - 17.73% -
random/pr70614.c -2.46% 26.005 25.364 - -4.96% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -49.39% 933.04 MB 472.19 MB - -42.72% -
random/pr12392.cpp -40.82% 705.73 MB 417.63 MB - -40.28% -
random/pr36439.cpp -22.69% 530.39 MB 410.06 MB - -19.29% -
random/pr12850.cpp -8.96% 993.85 MB 904.78 MB - -0.48% -
random/pr36498.cpp -8.55% 514.33 MB 470.33 MB - -9.35% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -78.75% 15.64 MB 3.32 MB - -78.75% -
random/pr28071.c/elf -40.35% 2.75 MB 1.64 MB - -40.35% -
random/pr29433.cpp/elf/sections/text -30.86% 700.00 B 484.00 B - -30.86% -
random/pr28071.c/elf/sections/text -22.34% 662.44 KB 514.42 KB - -22.34% -
random/pr12850.cpp/elf/sections/text -18.68% 34.82 KB 28.31 KB - 3.13% -
random/pr12392.cpp/elf/sections/text -14.58% 509.01 KB 434.81 KB - -14.58% -
random/pr12850.cpp/elf -13.20% 36.91 MB 32.04 MB - 0.27% -
random/pr36439.cpp/elf -12.02% 12.12 MB 10.66 MB - -19.13% -
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% -
random/pr36498.cpp/elf -5.38% 15.81 MB 14.96 MB - -13.17% -

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


Report Time: 0.10s
Name Current %
random/empty.c 16.76 MB -
random/empty.C 18.08 MB -
random/pr12392.cpp 417.63 MB -40.28%
random/pr12850.cpp 904.78 MB -
random/pr26854-2.c 361.83 MB -
random/pr26854.c 1.10 GB -
random/pr28071.c 472.19 MB -42.72%
random/pr29433.cpp 1.92 GB -
random/pr36262.c 194.24 MB -
random/pr36291.cpp 563.67 MB -
random/pr36439.cpp 410.06 MB -19.29%
random/pr36498.cpp 470.33 MB -9.35%
random/pr38518.c 194.24 MB -
random/pr39326.c 449.59 MB -
random/pr69609.c 519.05 MB -
random/pr70614.c 54.68 MB -
Geometric Mean 288.19 MB -8.46%