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 20191119 (experimental) 446a77dadc30765f74bf948daf39ce43b7ceccc1
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.
git_revision 446a77dadc30765f74bf948daf39ce43b7ceccc1
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-honza.O_g test results

Run Order Start Time Duration
Current 1574239538000.446a77dadc30765f74bf948daf39ce43b7ceccc1 2019-11-20T21:29:32.968939 0:01:33.411119
Previous 1574187387000.2215fdeda1210c2c02e5a06987b1d3524625535e 2019-11-19T20:47:14.981300 0:01:31.696506
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:31.090919


Tests Summary

Status Group # # (B)
Performance Regressions 22 19
Performance Improvements 2 6
Added Tests 3 3
Unchanged Tests 261 260
Total Tests 288

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp 62.81% 35.533 57.851 - 57.81% -
random/pr26854-2.c 23.94% 15.195 18.832 - 20.97% -
random/pr36439.cpp 11.59% 24.481 27.318 - 11.82% -
random/pr12850.cpp 10.45% 49.540 54.719 - 9.91% -
random/pr38518.c 4.94% 4.952 5.197 - 5.86% -
random/pr36498.cpp 4.59% 19.397 20.288 - -4.52% -
random/pr36262.c 3.01% 4.954 5.103 - 3.79% -
random/pr36291.cpp 2.87% 21.910 22.539 - -0.07% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp 31.25% 705.13 MB 925.50 MB - 31.32% -
random/pr38518.c 4.23% 197.55 MB 205.92 MB - 4.81% -
random/pr36262.c 3.98% 197.56 MB 205.42 MB - 4.56% -
random/pr36439.cpp 3.02% 507.29 MB 522.62 MB - 1.81% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp/elf/sections/text 44.13% 509.13 KB 733.83 KB - 44.13% -
random/pr12392.cpp/elf 27.94% 15.64 MB 20.01 MB - 27.95% -
random/pr12850.cpp/elf 13.20% 31.98 MB 36.20 MB - 13.31% -
random/pr12850.cpp/elf/sections/text 13.14% 27.43 KB 31.03 KB - 13.58% -
random/pr29433.cpp/elf 8.02% 1.39 MB 1.50 MB - 8.19% -
random/pr36439.cpp/elf 7.87% 13.17 MB 14.21 MB - 7.56% -
random/pr36498.cpp/elf/sections/text 3.36% 458.36 KB 473.77 KB - 3.51% -
random/pr36262.c/elf 3.08% 350.04 KB 360.81 KB - 3.08% -
random/pr38518.c/elf 3.06% 349.90 KB 360.59 KB - 3.06% -
random/pr36498.cpp/elf 2.09% 17.24 MB 17.60 MB - 1.66% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr29433.cpp -5.09% 17.209 16.333 - -3.61% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr29433.cpp/elf/sections/text -41.00% 700.00 B 413.00 B - -41.00% -

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/pr12392.cpp 57.81% 36.658 57.851 - 62.81% -
random/pr26854-2.c 20.97% 15.568 18.832 - 23.94% -
random/pr36439.cpp 11.82% 24.430 27.318 - 11.59% -
random/pr12850.cpp 9.91% 49.784 54.719 - 10.45% -
random/pr38518.c 5.86% 4.910 5.197 - 4.94% -
random/pr36262.c 3.79% 4.917 5.103 - 3.01% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp 31.32% 704.75 MB 925.50 MB - 31.25% -
random/pr38518.c 4.81% 196.47 MB 205.92 MB - 4.23% -
random/pr36262.c 4.56% 196.46 MB 205.42 MB - 3.98% -
random/empty.c 2.10% 16.54 MB 16.89 MB - 0.00% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf/sections/text 44.13% 509.14 KB 733.83 KB - 44.13% -
random/pr12392.cpp/elf 27.95% 15.64 MB 20.01 MB - 27.94% -
random/pr12850.cpp/elf/sections/text 13.58% 27.32 KB 31.03 KB - 13.14% -
random/pr12850.cpp/elf 13.31% 31.95 MB 36.20 MB - 13.20% -
random/pr29433.cpp/elf 8.19% 1.39 MB 1.50 MB - 8.02% -
random/pr36439.cpp/elf 7.56% 13.21 MB 14.21 MB - 7.87% -
random/pr36498.cpp/elf/sections/text 3.51% 457.72 KB 473.77 KB - 3.36% -
random/pr36262.c/elf 3.08% 350.04 KB 360.81 KB - 3.08% -
random/pr38518.c/elf 3.06% 349.90 KB 360.59 KB - 3.06% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -5.72% 53.426 50.370 - -1.80% -
random/pr36498.cpp -4.52% 21.247 20.288 - 4.59% -
random/pr70614.c -3.83% 25.952 24.958 - -1.90% -
random/pr29433.cpp -3.61% 16.944 16.333 - -5.09% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp -3.57% 522.14 MB 503.52 MB - -0.31% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr29433.cpp/elf/sections/text -41.00% 700.00 B 413.00 B - -41.00% -

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


Report Time: 0.09s
Name Current %
random/empty.C 18.00 MB -
random/empty.c 16.89 MB -
random/pr12392.cpp 925.50 MB 31.25%
random/pr12850.cpp 927.12 MB -
random/pr26854-2.c 366.20 MB -
random/pr26854.c 1.10 GB -
random/pr28071.c 935.15 MB -
random/pr29433.cpp 1.92 GB -
random/pr36262.c 205.42 MB 3.98%
random/pr36291.cpp 565.82 MB -
random/pr36439.cpp 522.62 MB 3.02%
random/pr36498.cpp 503.52 MB -
random/pr38518.c 205.92 MB 4.23%
random/pr39326.c 447.29 MB -
random/pr69609.c 518.31 MB -
random/pr70614.c 55.34 MB -
Geometric Mean 325.64 MB 2.55%